Merge 4.14.172 into android-4.14-p

Changes in 4.14.172
	KVM: x86: emulate RDPID
	iommu/qcom: Fix bogus detach logic
	ALSA: hda: Use scnprintf() for printing texts for sysfs/procfs
	ASoC: sun8i-codec: Fix setting DAI data format
	ecryptfs: fix a memory leak bug in parse_tag_1_packet()
	ecryptfs: fix a memory leak bug in ecryptfs_init_messaging()
	Input: synaptics - switch T470s to RMI4 by default
	Input: synaptics - enable SMBus on ThinkPad L470
	Input: synaptics - remove the LEN0049 dmi id from topbuttonpad list
	ALSA: usb-audio: Apply sample rate quirk for Audioengine D1
	arm64: cpufeature: Set the FP/SIMD compat HWCAP bits properly
	arm64: ptrace: nofpsimd: Fail FP/SIMD regset operations
	arm64: nofpsimd: Handle TIF_FOREIGN_FPSTATE flag cleanly
	ARM: 8723/2: always assume the "unified" syntax for assembly code
	ext4: don't assume that mmp_nodename/bdevname have NUL
	ext4: fix support for inode sizes > 1024 bytes
	ext4: fix checksum errors with indexed dirs
	ext4: improve explanation of a mount failure caused by a misconfigured kernel
	Btrfs: fix race between using extent maps and merging them
	btrfs: print message when tree-log replay starts
	btrfs: log message when rw remount is attempted with unclean tree-log
	arm64: ssbs: Fix context-switch when SSBS is present on all CPUs
	KVM: nVMX: Use correct root level for nested EPT shadow page tables
	perf/x86/amd: Add missing L2 misses event spec to AMD Family 17h's event map
	padata: Remove broken queue flushing
	serial: imx: ensure that RX irqs are off if RX is off
	serial: imx: Only handle irqs that are actually enabled
	IB/hfi1: Close window for pq and request coliding
	RDMA/core: Fix protection fault in get_pkey_idx_qp_list
	s390/time: Fix clk type in get_tod_clock
	perf/x86/intel: Fix inaccurate period in context switch for auto-reload
	hwmon: (pmbus/ltc2978) Fix PMBus polling of MFR_COMMON definitions.
	jbd2: move the clearing of b_modified flag to the journal_unmap_buffer()
	jbd2: do not clear the BH_Mapped flag when forgetting a metadata buffer
	scsi: qla2xxx: fix a potential NULL pointer dereference
	Revert "KVM: nVMX: Use correct root level for nested EPT shadow page tables"
	Revert "KVM: VMX: Add non-canonical check on writes to RTIT address MSRs"
	KVM: nVMX: Use correct root level for nested EPT shadow page tables
	drm/gma500: Fixup fbdev stolen size usage evaluation
	cpu/hotplug, stop_machine: Fix stop_machine vs hotplug order
	brcmfmac: Fix use after free in brcmf_sdio_readframes()
	leds: pca963x: Fix open-drain initialization
	ext4: fix ext4_dax_read/write inode locking sequence for IOCB_NOWAIT
	ALSA: ctl: allow TLV read operation for callback type of element in locked case
	gianfar: Fix TX timestamping with a stacked DSA driver
	pinctrl: sh-pfc: sh7264: Fix CAN function GPIOs
	pxa168fb: Fix the function used to release some memory in an error handling path
	media: i2c: mt9v032: fix enum mbus codes and frame sizes
	powerpc/powernv/iov: Ensure the pdn for VFs always contains a valid PE number
	gpio: gpio-grgpio: fix possible sleep-in-atomic-context bugs in grgpio_irq_map/unmap()
	char/random: silence a lockdep splat with printk()
	media: sti: bdisp: fix a possible sleep-in-atomic-context bug in bdisp_device_run()
	pinctrl: baytrail: Do not clear IRQ flags on direct-irq enabled pins
	efi/x86: Map the entire EFI vendor string before copying it
	MIPS: Loongson: Fix potential NULL dereference in loongson3_platform_init()
	sparc: Add .exit.data section.
	uio: fix a sleep-in-atomic-context bug in uio_dmem_genirq_irqcontrol()
	usb: gadget: udc: fix possible sleep-in-atomic-context bugs in gr_probe()
	usb: dwc2: Fix IN FIFO allocation
	clocksource/drivers/bcm2835_timer: Fix memory leak of timer
	kselftest: Minimise dependency of get_size on C library interfaces
	jbd2: clear JBD2_ABORT flag before journal_reset to update log tail info when load journal
	x86/sysfb: Fix check for bad VRAM size
	tracing: Fix tracing_stat return values in error handling paths
	tracing: Fix very unlikely race of registering two stat tracers
	ext4, jbd2: ensure panic when aborting with zero errno
	nbd: add a flush_workqueue in nbd_start_device
	KVM: s390: ENOTSUPP -> EOPNOTSUPP fixups
	kconfig: fix broken dependency in randconfig-generated .config
	clk: qcom: rcg2: Don't crash if our parent can't be found; return an error
	drm/amdgpu: remove 4 set but not used variable in amdgpu_atombios_get_connector_info_from_object_table
	regulator: rk808: Lower log level on optional GPIOs being not available
	net/wan/fsl_ucc_hdlc: reject muram offsets above 64K
	PCI/IOV: Fix memory leak in pci_iov_add_virtfn()
	NFC: port100: Convert cpu_to_le16(le16_to_cpu(E1) + E2) to use le16_add_cpu().
	arm64: dts: qcom: msm8996: Disable USB2 PHY suspend by core
	ARM: dts: imx6: rdu2: Disable WP for USDHC2 and USDHC3
	media: v4l2-device.h: Explicitly compare grp{id,mask} to zero in v4l2_device macros
	reiserfs: Fix spurious unlock in reiserfs_fill_super() error handling
	fore200e: Fix incorrect checks of NULL pointer dereference
	ALSA: usx2y: Adjust indentation in snd_usX2Y_hwdep_dsp_status
	b43legacy: Fix -Wcast-function-type
	ipw2x00: Fix -Wcast-function-type
	iwlegacy: Fix -Wcast-function-type
	rtlwifi: rtl_pci: Fix -Wcast-function-type
	orinoco: avoid assertion in case of NULL pointer
	ACPICA: Disassembler: create buffer fields in ACPI_PARSE_LOAD_PASS1
	scsi: ufs: Complete pending requests in host reset and restore path
	scsi: aic7xxx: Adjust indentation in ahc_find_syncrate
	drm/mediatek: handle events when enabling/disabling crtc
	ARM: dts: r8a7779: Add device node for ARM global timer
	dmaengine: Store module owner in dma_device struct
	x86/vdso: Provide missing include file
	PM / devfreq: rk3399_dmc: Add COMPILE_TEST and HAVE_ARM_SMCCC dependency
	pinctrl: sh-pfc: sh7269: Fix CAN function GPIOs
	RDMA/rxe: Fix error type of mmap_offset
	clk: sunxi-ng: add mux and pll notifiers for A64 CPU clock
	ALSA: sh: Fix unused variable warnings
	ALSA: sh: Fix compile warning wrt const
	tools lib api fs: Fix gcc9 stringop-truncation compilation error
	drm: remove the newline for CRC source name.
	usbip: Fix unsafe unaligned pointer usage
	udf: Fix free space reporting for metadata and virtual partitions
	IB/hfi1: Add software counter for ctxt0 seq drop
	soc/tegra: fuse: Correct straps' address for older Tegra124 device trees
	efi/x86: Don't panic or BUG() on non-critical error conditions
	rcu: Use WRITE_ONCE() for assignments to ->pprev for hlist_nulls
	Input: edt-ft5x06 - work around first register access error
	wan: ixp4xx_hss: fix compile-testing on 64-bit
	ASoC: atmel: fix build error with CONFIG_SND_ATMEL_SOC_DMA=m
	tty: synclinkmp: Adjust indentation in several functions
	tty: synclink_gt: Adjust indentation in several functions
	driver core: platform: Prevent resouce overflow from causing infinite loops
	driver core: Print device when resources present in really_probe()
	vme: bridges: reduce stack usage
	drm/nouveau/secboot/gm20b: initialize pointer in gm20b_secboot_new()
	drm/nouveau/gr/gk20a,gm200-: add terminators to method lists read from fw
	drm/nouveau: Fix copy-paste error in nouveau_fence_wait_uevent_handler
	drm/vmwgfx: prevent memory leak in vmw_cmdbuf_res_add
	usb: musb: omap2430: Get rid of musb .set_vbus for omap2430 glue
	iommu/arm-smmu-v3: Use WRITE_ONCE() when changing validity of an STE
	f2fs: free sysfs kobject
	scsi: iscsi: Don't destroy session if there are outstanding connections
	arm64: fix alternatives with LLVM's integrated assembler
	watchdog/softlockup: Enforce that timestamp is valid on boot
	f2fs: fix memleak of kobject
	x86/mm: Fix NX bit clearing issue in kernel_map_pages_in_pgd
	pwm: omap-dmtimer: Remove PWM chip in .remove before making it unfunctional
	cmd64x: potential buffer overflow in cmd64x_program_timings()
	ide: serverworks: potential overflow in svwks_set_pio_mode()
	pwm: Remove set but not set variable 'pwm'
	btrfs: fix possible NULL-pointer dereference in integrity checks
	btrfs: safely advance counter when looking up bio csums
	btrfs: device stats, log when stats are zeroed
	remoteproc: Initialize rproc_class before use
	irqchip/mbigen: Set driver .suppress_bind_attrs to avoid remove problems
	ALSA: hda/hdmi - add retry logic to parse_intel_hdmi()
	x86/decoder: Add TEST opcode to Group3-2
	s390/ftrace: generate traced function stack frame
	driver core: platform: fix u32 greater or equal to zero comparison
	ALSA: hda - Add docking station support for Lenovo Thinkpad T420s
	powerpc/sriov: Remove VF eeh_dev state when disabling SR-IOV
	jbd2: switch to use jbd2_journal_abort() when failed to submit the commit record
	jbd2: make sure ESHUTDOWN to be recorded in the journal superblock
	ARM: 8951/1: Fix Kexec compilation issue.
	hostap: Adjust indentation in prism2_hostapd_add_sta
	iwlegacy: ensure loop counter addr does not wrap and cause an infinite loop
	cifs: fix NULL dereference in match_prepath
	ceph: check availability of mds cluster on mount after wait timeout
	irqchip/gic-v3: Only provision redistributors that are enabled in ACPI
	drm/nouveau/disp/nv50-: prevent oops when no channel method map provided
	ftrace: fpid_next() should increase position index
	trigger_next should increase position index
	radeon: insert 10ms sleep in dce5_crtc_load_lut
	ocfs2: fix a NULL pointer dereference when call ocfs2_update_inode_fsync_trans()
	lib/scatterlist.c: adjust indentation in __sg_alloc_table
	reiserfs: prevent NULL pointer dereference in reiserfs_insert_item()
	bcache: explicity type cast in bset_bkey_last()
	irqchip/gic-v3-its: Reference to its_invall_cmd descriptor when building INVALL
	iwlwifi: mvm: Fix thermal zone registration
	microblaze: Prevent the overflow of the start
	brd: check and limit max_part par
	help_next should increase position index
	virtio_balloon: prevent pfn array overflow
	mlxsw: spectrum_dpipe: Add missing error path
	selinux: ensure we cleanup the internal AVC counters on error in avc_update()
	enic: prevent waking up stopped tx queues over watchdog reset
	net: dsa: tag_qca: Make sure there is headroom for tag
	net/sched: matchall: add missing validation of TCA_MATCHALL_FLAGS
	net/sched: flower: add missing validation of TCA_FLOWER_FLAGS
	net/smc: fix leak of kernel memory to user space
	thunderbolt: Prevent crash if non-active NVMem file is read
	USB: misc: iowarrior: add support for 2 OEMed devices
	USB: misc: iowarrior: add support for the 28 and 28L devices
	USB: misc: iowarrior: add support for the 100 device
	floppy: check FDC index for errors before assigning it
	vt: selection, handle pending signals in paste_selection
	staging: android: ashmem: Disallow ashmem memory from being remapped
	staging: vt6656: fix sign of rx_dbm to bb_pre_ed_rssi.
	xhci: Force Maximum Packet size for Full-speed bulk devices to valid range.
	xhci: fix runtime pm enabling for quirky Intel hosts
	usb: host: xhci: update event ring dequeue pointer on purpose
	usb: uas: fix a plug & unplug racing
	USB: Fix novation SourceControl XL after suspend
	USB: hub: Don't record a connect-change event during reset-resume
	USB: hub: Fix the broken detection of USB3 device in SMSC hub
	staging: rtl8188eu: Fix potential security hole
	staging: rtl8188eu: Fix potential overuse of kernel memory
	staging: rtl8723bs: Fix potential security hole
	staging: rtl8723bs: Fix potential overuse of kernel memory
	x86/mce/amd: Publish the bank pointer only after setup has succeeded
	x86/mce/amd: Fix kobject lifetime
	tty/serial: atmel: manage shutdown in case of RS485 or ISO7816 mode
	tty: serial: imx: setup the correct sg entry for tx dma
	serdev: ttyport: restore client ops on deregistration
	MAINTAINERS: Update drm/i915 bug filing URL
	Revert "ipc,sem: remove uneeded sem_undo_list lock usage in exit_sem()"
	mm/vmscan.c: don't round up scan size for online memory cgroup
	drm/amdgpu/soc15: fix xclk for raven
	KVM: x86: don't notify userspace IOAPIC on edge-triggered interrupt EOI
	xhci: apply XHCI_PME_STUCK_QUIRK to Intel Comet Lake platforms
	VT_RESIZEX: get rid of field-by-field copyin
	vt: vt_ioctl: fix race in VT_RESIZEX
	serial: 8250: Check UPF_IRQ_SHARED in advance
	lib/stackdepot.c: fix global out-of-bounds in stack_slabs
	KVM: nVMX: Don't emulate instructions in guest mode
	ext4: fix a data race in EXT4_I(inode)->i_disksize
	ext4: add cond_resched() to __ext4_find_entry()
	ext4: fix mount failure with quota configured as module
	ext4: rename s_journal_flag_rwsem to s_writepages_rwsem
	ext4: fix race between writepages and enabling EXT4_EXTENTS_FL
	KVM: nVMX: Refactor IO bitmap checks into helper function
	KVM: nVMX: Check IO instruction VM-exit conditions
	KVM: nVMX: handle nested posted interrupts when apicv is disabled for L1
	KVM: apic: avoid calculating pending eoi from an uninitialized val
	btrfs: fix bytes_may_use underflow in prealloc error condtition
	btrfs: do not check delayed items are empty for single transaction cleanup
	Btrfs: fix btrfs_wait_ordered_range() so that it waits for all ordered extents
	scsi: Revert "RDMA/isert: Fix a recently introduced regression related to logout"
	scsi: Revert "target: iscsi: Wait for all commands to finish before freeing a session"
	usb: gadget: composite: Fix bMaxPower for SuperSpeedPlus
	staging: rtl8723bs: fix copy of overlapping memory
	staging: greybus: use after free in gb_audio_manager_remove_all()
	ecryptfs: replace BUG_ON with error handling code
	iommu/vt-d: Fix compile warning from intel-svm.h
	genirq/proc: Reject invalid affinity masks (again)
	ALSA: rawmidi: Avoid bit fields for state flags
	ALSA: seq: Avoid concurrent access to queue flags
	ALSA: seq: Fix concurrent access to queue current tick/time
	netfilter: xt_hashlimit: limit the max size of hashtable
	ata: ahci: Add shutdown to freeze hardware resources of ahci
	xen: Enable interrupts when calling _cond_resched()
	s390/mm: Explicitly compare PAGE_DEFAULT_KEY against zero in storage_key_init_range
	Linux 4.14.172

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I5875847e325589bf12cc23b6c1bf44e343cb6d13
diff --git a/MAINTAINERS b/MAINTAINERS
index 029f96c..e2dd302 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6877,7 +6877,7 @@
 M:	Rodrigo Vivi <rodrigo.vivi@intel.com>
 L:	intel-gfx@lists.freedesktop.org
 W:	https://01.org/linuxgraphics/
-B:	https://01.org/linuxgraphics/documentation/how-report-bugs
+B:	https://gitlab.freedesktop.org/drm/intel/-/wikis/How-to-file-i915-bugs
 C:	irc://chat.freenode.net/intel-gfx
 Q:	http://patchwork.freedesktop.org/project/intel-gfx/
 T:	git git://anongit.freedesktop.org/drm-intel
diff --git a/Makefile b/Makefile
index a61eea5..e1a66ed 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 4
 PATCHLEVEL = 14
-SUBLEVEL = 171
+SUBLEVEL = 172
 EXTRAVERSION =
 NAME = Petit Gorille
 
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 25244a7..a8ba031 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1533,12 +1533,10 @@
 	bool "Compile the kernel in Thumb-2 mode" if !CPU_THUMBONLY
 	depends on (CPU_V7 || CPU_V7M) && !CPU_V6 && !CPU_V6K
 	default y if CPU_THUMBONLY
-	select ARM_ASM_UNIFIED
 	select ARM_UNWIND
 	help
 	  By enabling this option, the kernel will be compiled in
-	  Thumb-2 mode. A compiler/assembler that understand the unified
-	  ARM-Thumb syntax is needed.
+	  Thumb-2 mode.
 
 	  If unsure, say N.
 
@@ -1573,9 +1571,6 @@
 
 	  Unless you are sure your tools don't have this problem, say Y.
 
-config ARM_ASM_UNIFIED
-	bool
-
 config ARM_PATCH_IDIV
 	bool "Runtime patch udiv/sdiv instructions into __aeabi_{u}idiv()"
 	depends on CPU_32v7 && !XIP_KERNEL
@@ -2034,7 +2029,7 @@
 config KEXEC
 	bool "Kexec system call (EXPERIMENTAL)"
 	depends on (!SMP || PM_SLEEP_SMP)
-	depends on !CPU_V7M
+	depends on MMU
 	select KEXEC_CORE
 	help
 	  kexec is a system call that implements the ability to shutdown your
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 826dff0..ffc188d 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -115,9 +115,11 @@
 CFLAGS_ABI	+=-funwind-tables
 endif
 
+# Accept old syntax despite ".syntax unified"
+AFLAGS_NOWARN	:=$(call as-option,-Wa$(comma)-mno-warn-deprecated,-Wa$(comma)-W)
+
 ifeq ($(CONFIG_THUMB2_KERNEL),y)
 AFLAGS_AUTOIT	:=$(call as-option,-Wa$(comma)-mimplicit-it=always,-Wa$(comma)-mauto-it)
-AFLAGS_NOWARN	:=$(call as-option,-Wa$(comma)-mno-warn-deprecated,-Wa$(comma)-W)
 CFLAGS_ISA	:=-mthumb $(AFLAGS_AUTOIT) $(AFLAGS_NOWARN)
 AFLAGS_ISA	:=$(CFLAGS_ISA) -Wa$(comma)-mthumb
 # Work around buggy relocation from gas if requested:
@@ -125,7 +127,7 @@
 CFLAGS_MODULE	+=-fno-optimize-sibling-calls
 endif
 else
-CFLAGS_ISA	:=$(call cc-option,-marm,)
+CFLAGS_ISA	:=$(call cc-option,-marm,) $(AFLAGS_NOWARN)
 AFLAGS_ISA	:=$(CFLAGS_ISA)
 endif
 
diff --git a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
index 849eb344..719e630 100644
--- a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
@@ -587,7 +587,7 @@
 	pinctrl-0 = <&pinctrl_usdhc2>;
 	bus-width = <4>;
 	cd-gpios = <&gpio2 2 GPIO_ACTIVE_LOW>;
-	wp-gpios = <&gpio2 3 GPIO_ACTIVE_HIGH>;
+	disable-wp;
 	vmmc-supply = <&reg_3p3v_sd>;
 	vqmmc-supply = <&reg_3p3v>;
 	status = "okay";
@@ -598,7 +598,7 @@
 	pinctrl-0 = <&pinctrl_usdhc3>;
 	bus-width = <4>;
 	cd-gpios = <&gpio2 0 GPIO_ACTIVE_LOW>;
-	wp-gpios = <&gpio2 1 GPIO_ACTIVE_HIGH>;
+	disable-wp;
 	vmmc-supply = <&reg_3p3v_sd>;
 	vqmmc-supply = <&reg_3p3v>;
 	status = "okay";
@@ -1001,7 +1001,6 @@
 			MX6QDL_PAD_SD2_DAT1__SD2_DATA1		0x17059
 			MX6QDL_PAD_SD2_DAT2__SD2_DATA2		0x17059
 			MX6QDL_PAD_SD2_DAT3__SD2_DATA3		0x17059
-			MX6QDL_PAD_NANDF_D3__GPIO2_IO03		0x40010040
 			MX6QDL_PAD_NANDF_D2__GPIO2_IO02		0x40010040
 		>;
 	};
@@ -1014,7 +1013,6 @@
 			MX6QDL_PAD_SD3_DAT1__SD3_DATA1		0x17059
 			MX6QDL_PAD_SD3_DAT2__SD3_DATA2		0x17059
 			MX6QDL_PAD_SD3_DAT3__SD3_DATA3		0x17059
-			MX6QDL_PAD_NANDF_D1__GPIO2_IO01		0x40010040
 			MX6QDL_PAD_NANDF_D0__GPIO2_IO00		0x40010040
 
 		>;
diff --git a/arch/arm/boot/dts/r8a7779.dtsi b/arch/arm/boot/dts/r8a7779.dtsi
index 8ee0b2c..2face08 100644
--- a/arch/arm/boot/dts/r8a7779.dtsi
+++ b/arch/arm/boot/dts/r8a7779.dtsi
@@ -67,6 +67,14 @@
 		      <0xf0000100 0x100>;
 	};
 
+	timer@f0000200 {
+		compatible = "arm,cortex-a9-global-timer";
+		reg = <0xf0000200 0x100>;
+		interrupts = <GIC_PPI 11
+			(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_EDGE_RISING)>;
+		clocks = <&cpg_clocks R8A7779_CLK_ZS>;
+	};
+
 	timer@f0000600 {
 		compatible = "arm,cortex-a9-twd-timer";
 		reg = <0xf0000600 0x20>;
diff --git a/arch/arm/include/asm/unified.h b/arch/arm/include/asm/unified.h
index a91ae499..2c3b952 100644
--- a/arch/arm/include/asm/unified.h
+++ b/arch/arm/include/asm/unified.h
@@ -20,8 +20,10 @@
 #ifndef __ASM_UNIFIED_H
 #define __ASM_UNIFIED_H
 
-#if defined(__ASSEMBLY__) && defined(CONFIG_ARM_ASM_UNIFIED)
+#if defined(__ASSEMBLY__)
 	.syntax unified
+#else
+__asm__(".syntax unified");
 #endif
 
 #ifdef CONFIG_CPU_V7M
@@ -64,77 +66,4 @@
 
 #endif	/* CONFIG_THUMB2_KERNEL */
 
-#ifndef CONFIG_ARM_ASM_UNIFIED
-
-/*
- * If the unified assembly syntax isn't used (in ARM mode), these
- * macros expand to an empty string
- */
-#ifdef __ASSEMBLY__
-	.macro	it, cond
-	.endm
-	.macro	itt, cond
-	.endm
-	.macro	ite, cond
-	.endm
-	.macro	ittt, cond
-	.endm
-	.macro	itte, cond
-	.endm
-	.macro	itet, cond
-	.endm
-	.macro	itee, cond
-	.endm
-	.macro	itttt, cond
-	.endm
-	.macro	ittte, cond
-	.endm
-	.macro	ittet, cond
-	.endm
-	.macro	ittee, cond
-	.endm
-	.macro	itett, cond
-	.endm
-	.macro	itete, cond
-	.endm
-	.macro	iteet, cond
-	.endm
-	.macro	iteee, cond
-	.endm
-#else	/* !__ASSEMBLY__ */
-__asm__(
-"	.macro	it, cond\n"
-"	.endm\n"
-"	.macro	itt, cond\n"
-"	.endm\n"
-"	.macro	ite, cond\n"
-"	.endm\n"
-"	.macro	ittt, cond\n"
-"	.endm\n"
-"	.macro	itte, cond\n"
-"	.endm\n"
-"	.macro	itet, cond\n"
-"	.endm\n"
-"	.macro	itee, cond\n"
-"	.endm\n"
-"	.macro	itttt, cond\n"
-"	.endm\n"
-"	.macro	ittte, cond\n"
-"	.endm\n"
-"	.macro	ittet, cond\n"
-"	.endm\n"
-"	.macro	ittee, cond\n"
-"	.endm\n"
-"	.macro	itett, cond\n"
-"	.endm\n"
-"	.macro	itete, cond\n"
-"	.endm\n"
-"	.macro	iteet, cond\n"
-"	.endm\n"
-"	.macro	iteee, cond\n"
-"	.endm\n");
-#endif	/* __ASSEMBLY__ */
-
-#endif	/* CONFIG_ARM_ASM_UNIFIED */
-
 #endif	/* !__ASM_UNIFIED_H */
diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi
index 6f372ec..da29495 100644
--- a/arch/arm64/boot/dts/qcom/msm8996.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi
@@ -788,6 +788,8 @@
 				interrupts = <0 138 0>;
 				phys = <&hsusb_phy2>;
 				phy-names = "usb2-phy";
+				snps,dis_u2_susphy_quirk;
+				snps,dis_enblslpm_quirk;
 			};
 		};
 
@@ -817,6 +819,8 @@
 				interrupts = <0 131 0>;
 				phys = <&hsusb_phy1>, <&ssusb_phy_0>;
 				phy-names = "usb2-phy", "usb3-phy";
+				snps,dis_u2_susphy_quirk;
+				snps,dis_enblslpm_quirk;
 			};
 		};
 	};
diff --git a/arch/arm64/include/asm/alternative.h b/arch/arm64/include/asm/alternative.h
index a91933b..4cd4a79 100644
--- a/arch/arm64/include/asm/alternative.h
+++ b/arch/arm64/include/asm/alternative.h
@@ -30,13 +30,16 @@
 void __init apply_alternatives_all(void);
 void apply_alternatives(void *start, size_t length);
 
-#define ALTINSTR_ENTRY(feature,cb)					      \
+#define ALTINSTR_ENTRY(feature)					              \
 	" .word 661b - .\n"				/* label           */ \
-	" .if " __stringify(cb) " == 0\n"				      \
 	" .word 663f - .\n"				/* new instruction */ \
-	" .else\n"							      \
+	" .hword " __stringify(feature) "\n"		/* feature bit     */ \
+	" .byte 662b-661b\n"				/* source len      */ \
+	" .byte 664f-663f\n"				/* replacement len */
+
+#define ALTINSTR_ENTRY_CB(feature, cb)					      \
+	" .word 661b - .\n"				/* label           */ \
 	" .word " __stringify(cb) "- .\n"		/* callback */	      \
-	" .endif\n"							      \
 	" .hword " __stringify(feature) "\n"		/* feature bit     */ \
 	" .byte 662b-661b\n"				/* source len      */ \
 	" .byte 664f-663f\n"				/* replacement len */
@@ -57,15 +60,14 @@
  *
  * Alternatives with callbacks do not generate replacement instructions.
  */
-#define __ALTERNATIVE_CFG(oldinstr, newinstr, feature, cfg_enabled, cb)	\
+#define __ALTERNATIVE_CFG(oldinstr, newinstr, feature, cfg_enabled)	\
 	".if "__stringify(cfg_enabled)" == 1\n"				\
 	"661:\n\t"							\
 	oldinstr "\n"							\
 	"662:\n"							\
 	".pushsection .altinstructions,\"a\"\n"				\
-	ALTINSTR_ENTRY(feature,cb)					\
+	ALTINSTR_ENTRY(feature)						\
 	".popsection\n"							\
-	" .if " __stringify(cb) " == 0\n"				\
 	".pushsection .altinstr_replacement, \"a\"\n"			\
 	"663:\n\t"							\
 	newinstr "\n"							\
@@ -73,17 +75,25 @@
 	".popsection\n\t"						\
 	".org	. - (664b-663b) + (662b-661b)\n\t"			\
 	".org	. - (662b-661b) + (664b-663b)\n"			\
-	".else\n\t"							\
+	".endif\n"
+
+#define __ALTERNATIVE_CFG_CB(oldinstr, feature, cfg_enabled, cb)	\
+	".if "__stringify(cfg_enabled)" == 1\n"				\
+	"661:\n\t"							\
+	oldinstr "\n"							\
+	"662:\n"							\
+	".pushsection .altinstructions,\"a\"\n"				\
+	ALTINSTR_ENTRY_CB(feature, cb)					\
+	".popsection\n"							\
 	"663:\n\t"							\
 	"664:\n\t"							\
-	".endif\n"							\
 	".endif\n"
 
 #define _ALTERNATIVE_CFG(oldinstr, newinstr, feature, cfg, ...)	\
-	__ALTERNATIVE_CFG(oldinstr, newinstr, feature, IS_ENABLED(cfg), 0)
+	__ALTERNATIVE_CFG(oldinstr, newinstr, feature, IS_ENABLED(cfg))
 
 #define ALTERNATIVE_CB(oldinstr, cb) \
-	__ALTERNATIVE_CFG(oldinstr, "NOT_AN_INSTRUCTION", ARM64_CB_PATCH, 1, cb)
+	__ALTERNATIVE_CFG_CB(oldinstr, ARM64_CB_PATCH, 1, cb)
 #else
 
 #include <asm/assembler.h>
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index 4747cb0..967ef3a 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c
@@ -41,9 +41,7 @@
 #define COMPAT_ELF_HWCAP_DEFAULT	\
 				(COMPAT_HWCAP_HALF|COMPAT_HWCAP_THUMB|\
 				 COMPAT_HWCAP_FAST_MULT|COMPAT_HWCAP_EDSP|\
-				 COMPAT_HWCAP_TLS|COMPAT_HWCAP_VFP|\
-				 COMPAT_HWCAP_VFPv3|COMPAT_HWCAP_VFPv4|\
-				 COMPAT_HWCAP_NEON|COMPAT_HWCAP_IDIV|\
+				 COMPAT_HWCAP_TLS|COMPAT_HWCAP_IDIV|\
 				 COMPAT_HWCAP_LPAE)
 unsigned int compat_elf_hwcap __read_mostly = COMPAT_ELF_HWCAP_DEFAULT;
 unsigned int compat_elf_hwcap2 __read_mostly;
@@ -1134,17 +1132,30 @@
 	{},
 };
 
-#define HWCAP_CAP(reg, field, s, min_value, cap_type, cap)	\
-	{							\
-		.desc = #cap,					\
-		.type = ARM64_CPUCAP_SYSTEM_FEATURE,		\
+
+#define HWCAP_CPUID_MATCH(reg, field, s, min_value)		\
 		.matches = has_cpuid_feature,			\
 		.sys_reg = reg,					\
 		.field_pos = field,				\
 		.sign = s,					\
 		.min_field_value = min_value,			\
+
+#define __HWCAP_CAP(name, cap_type, cap)			\
+		.desc = name,					\
+		.type = ARM64_CPUCAP_SYSTEM_FEATURE,		\
 		.hwcap_type = cap_type,				\
 		.hwcap = cap,					\
+
+#define HWCAP_CAP(reg, field, s, min_value, cap_type, cap)	\
+	{							\
+		__HWCAP_CAP(#cap, cap_type, cap)		\
+		HWCAP_CPUID_MATCH(reg, field, s, min_value)	\
+	}
+
+#define HWCAP_CAP_MATCH(match, cap_type, cap)			\
+	{							\
+		__HWCAP_CAP(#cap, cap_type, cap)		\
+		.matches = match,				\
 	}
 
 static const struct arm64_cpu_capabilities arm64_elf_hwcaps[] = {
@@ -1177,8 +1188,35 @@
 	{},
 };
 
+#ifdef CONFIG_COMPAT
+static bool compat_has_neon(const struct arm64_cpu_capabilities *cap, int scope)
+{
+	/*
+	 * Check that all of MVFR1_EL1.{SIMDSP, SIMDInt, SIMDLS} are available,
+	 * in line with that of arm32 as in vfp_init(). We make sure that the
+	 * check is future proof, by making sure value is non-zero.
+	 */
+	u32 mvfr1;
+
+	WARN_ON(scope == SCOPE_LOCAL_CPU && preemptible());
+	if (scope == SCOPE_SYSTEM)
+		mvfr1 = read_sanitised_ftr_reg(SYS_MVFR1_EL1);
+	else
+		mvfr1 = read_sysreg_s(SYS_MVFR1_EL1);
+
+	return cpuid_feature_extract_unsigned_field(mvfr1, MVFR1_SIMDSP_SHIFT) &&
+		cpuid_feature_extract_unsigned_field(mvfr1, MVFR1_SIMDINT_SHIFT) &&
+		cpuid_feature_extract_unsigned_field(mvfr1, MVFR1_SIMDLS_SHIFT);
+}
+#endif
+
 static const struct arm64_cpu_capabilities compat_elf_hwcaps[] = {
 #ifdef CONFIG_COMPAT
+	HWCAP_CAP_MATCH(compat_has_neon, CAP_COMPAT_HWCAP, COMPAT_HWCAP_NEON),
+	HWCAP_CAP(SYS_MVFR1_EL1, MVFR1_SIMDFMAC_SHIFT, FTR_UNSIGNED, 1, CAP_COMPAT_HWCAP, COMPAT_HWCAP_VFPv4),
+	/* Arm v8 mandates MVFR0.FPDP == {0, 2}. So, piggy back on this for the presence of VFP support */
+	HWCAP_CAP(SYS_MVFR0_EL1, MVFR0_FPDP_SHIFT, FTR_UNSIGNED, 2, CAP_COMPAT_HWCAP, COMPAT_HWCAP_VFP),
+	HWCAP_CAP(SYS_MVFR0_EL1, MVFR0_FPDP_SHIFT, FTR_UNSIGNED, 2, CAP_COMPAT_HWCAP, COMPAT_HWCAP_VFPv3),
 	HWCAP_CAP(SYS_ID_ISAR5_EL1, ID_ISAR5_AES_SHIFT, FTR_UNSIGNED, 2, CAP_COMPAT_HWCAP2, COMPAT_HWCAP2_PMULL),
 	HWCAP_CAP(SYS_ID_ISAR5_EL1, ID_ISAR5_AES_SHIFT, FTR_UNSIGNED, 1, CAP_COMPAT_HWCAP2, COMPAT_HWCAP2_AES),
 	HWCAP_CAP(SYS_ID_ISAR5_EL1, ID_ISAR5_SHA1_SHIFT, FTR_UNSIGNED, 1, CAP_COMPAT_HWCAP2, COMPAT_HWCAP2_SHA1),
diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c
index f4fdf64..4cd962f 100644
--- a/arch/arm64/kernel/fpsimd.c
+++ b/arch/arm64/kernel/fpsimd.c
@@ -206,8 +206,19 @@
  */
 void fpsimd_restore_current_state(void)
 {
-	if (!system_supports_fpsimd())
+	/*
+	 * For the tasks that were created before we detected the absence of
+	 * FP/SIMD, the TIF_FOREIGN_FPSTATE could be set via fpsimd_thread_switch(),
+	 * e.g, init. This could be then inherited by the children processes.
+	 * If we later detect that the system doesn't support FP/SIMD,
+	 * we must clear the flag for  all the tasks to indicate that the
+	 * FPSTATE is clean (as we can't have one) to avoid looping for ever in
+	 * do_notify_resume().
+	 */
+	if (!system_supports_fpsimd()) {
+		clear_thread_flag(TIF_FOREIGN_FPSTATE);
 		return;
+	}
 
 	local_bh_disable();
 
@@ -229,7 +240,7 @@
  */
 void fpsimd_update_current_state(struct fpsimd_state *state)
 {
-	if (!system_supports_fpsimd())
+	if (WARN_ON(!system_supports_fpsimd()))
 		return;
 
 	local_bh_disable();
diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c
index a076a19..084b7b8 100644
--- a/arch/arm64/kernel/process.c
+++ b/arch/arm64/kernel/process.c
@@ -421,6 +421,13 @@
 	if (unlikely(next->flags & PF_KTHREAD))
 		return;
 
+	/*
+	 * If all CPUs implement the SSBS extension, then we just need to
+	 * context-switch the PSTATE field.
+	 */
+	if (cpu_have_feature(cpu_feature(SSBS)))
+		return;
+
 	/* If the mitigation is enabled, then we leave SSBS clear. */
 	if ((arm64_get_ssbd_state() == ARM64_SSBD_FORCE_ENABLE) ||
 	    test_tsk_thread_flag(next, TIF_SSBD))
diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c
index 242527f..e230b4d 100644
--- a/arch/arm64/kernel/ptrace.c
+++ b/arch/arm64/kernel/ptrace.c
@@ -624,6 +624,13 @@
 	return 0;
 }
 
+static int fpr_active(struct task_struct *target, const struct user_regset *regset)
+{
+	if (!system_supports_fpsimd())
+		return -ENODEV;
+	return regset->n;
+}
+
 /*
  * TODO: update fp accessors for lazy context switching (sync/flush hwstate)
  */
@@ -634,6 +641,9 @@
 	struct user_fpsimd_state *uregs;
 	uregs = &target->thread.fpsimd_state.user_fpsimd;
 
+	if (!system_supports_fpsimd())
+		return -EINVAL;
+
 	if (target == current)
 		fpsimd_preserve_current_state();
 
@@ -648,6 +658,9 @@
 	struct user_fpsimd_state newstate =
 		target->thread.fpsimd_state.user_fpsimd;
 
+	if (!system_supports_fpsimd())
+		return -EINVAL;
+
 	ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &newstate, 0, -1);
 	if (ret)
 		return ret;
@@ -740,6 +753,7 @@
 		 */
 		.size = sizeof(u32),
 		.align = sizeof(u32),
+		.active = fpr_active,
 		.get = fpr_get,
 		.set = fpr_set
 	},
@@ -914,6 +928,9 @@
 	compat_ulong_t fpscr;
 	int ret, vregs_end_pos;
 
+	if (!system_supports_fpsimd())
+		return -EINVAL;
+
 	uregs = &target->thread.fpsimd_state.user_fpsimd;
 
 	if (target == current)
@@ -947,6 +964,9 @@
 	compat_ulong_t fpscr;
 	int ret, vregs_end_pos;
 
+	if (!system_supports_fpsimd())
+		return -EINVAL;
+
 	uregs = &target->thread.fpsimd_state.user_fpsimd;
 
 	vregs_end_pos = VFP_STATE_SIZE - sizeof(compat_ulong_t);
@@ -1004,6 +1024,7 @@
 		.n = VFP_STATE_SIZE / sizeof(compat_ulong_t),
 		.size = sizeof(compat_ulong_t),
 		.align = sizeof(compat_ulong_t),
+		.active = fpr_active,
 		.get = compat_vfp_get,
 		.set = compat_vfp_set
 	},
diff --git a/arch/microblaze/kernel/cpu/cache.c b/arch/microblaze/kernel/cpu/cache.c
index 0bde47e..dcba538 100644
--- a/arch/microblaze/kernel/cpu/cache.c
+++ b/arch/microblaze/kernel/cpu/cache.c
@@ -92,7 +92,8 @@
 #define CACHE_LOOP_LIMITS(start, end, cache_line_length, cache_size)	\
 do {									\
 	int align = ~(cache_line_length - 1);				\
-	end = min(start + cache_size, end);				\
+	if (start <  UINT_MAX - cache_size)				\
+		end = min(start + cache_size, end);			\
 	start &= align;							\
 } while (0)
 
diff --git a/arch/mips/loongson64/loongson-3/platform.c b/arch/mips/loongson64/loongson-3/platform.c
index 25a97cc..0db4cc3 100644
--- a/arch/mips/loongson64/loongson-3/platform.c
+++ b/arch/mips/loongson64/loongson-3/platform.c
@@ -31,6 +31,9 @@
 			continue;
 
 		pdev = kzalloc(sizeof(struct platform_device), GFP_KERNEL);
+		if (!pdev)
+			return -ENOMEM;
+
 		pdev->name = loongson_sysconf.sensors[i].name;
 		pdev->id = loongson_sysconf.sensors[i].id;
 		pdev->dev.platform_data = &loongson_sysconf.sensors[i];
diff --git a/arch/powerpc/kernel/eeh_driver.c b/arch/powerpc/kernel/eeh_driver.c
index 470284f..5a48c93 100644
--- a/arch/powerpc/kernel/eeh_driver.c
+++ b/arch/powerpc/kernel/eeh_driver.c
@@ -520,12 +520,6 @@
 
 		pci_iov_remove_virtfn(edev->physfn, pdn->vf_index, 0);
 		edev->pdev = NULL;
-
-		/*
-		 * We have to set the VF PE number to invalid one, which is
-		 * required to plug the VF successfully.
-		 */
-		pdn->pe_number = IODA_INVALID_PE;
 #endif
 		if (rmv_data)
 			list_add(&edev->rmv_list, &rmv_data->edev_list);
diff --git a/arch/powerpc/kernel/pci_dn.c b/arch/powerpc/kernel/pci_dn.c
index 0e395af..0e45a44 100644
--- a/arch/powerpc/kernel/pci_dn.c
+++ b/arch/powerpc/kernel/pci_dn.c
@@ -261,9 +261,22 @@
 				continue;
 
 #ifdef CONFIG_EEH
-			/* Release EEH device for the VF */
+			/*
+			 * Release EEH state for this VF. The PCI core
+			 * has already torn down the pci_dev for this VF, but
+			 * we're responsible to removing the eeh_dev since it
+			 * has the same lifetime as the pci_dn that spawned it.
+			 */
 			edev = pdn_to_eeh_dev(pdn);
 			if (edev) {
+				/*
+				 * We allocate pci_dn's for the totalvfs count,
+				 * but only only the vfs that were activated
+				 * have a configured PE.
+				 */
+				if (edev->pe)
+					eeh_rmv_from_parent_pe(edev);
+
 				pdn->edev = NULL;
 				kfree(edev);
 			}
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index d3d5796f..36ef504 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -1523,6 +1523,10 @@
 
 	/* Reserve PE for each VF */
 	for (vf_index = 0; vf_index < num_vfs; vf_index++) {
+		int vf_devfn = pci_iov_virtfn_devfn(pdev, vf_index);
+		int vf_bus = pci_iov_virtfn_bus(pdev, vf_index);
+		struct pci_dn *vf_pdn;
+
 		if (pdn->m64_single_mode)
 			pe_num = pdn->pe_num_map[vf_index];
 		else
@@ -1535,13 +1539,11 @@
 		pe->pbus = NULL;
 		pe->parent_dev = pdev;
 		pe->mve_number = -1;
-		pe->rid = (pci_iov_virtfn_bus(pdev, vf_index) << 8) |
-			   pci_iov_virtfn_devfn(pdev, vf_index);
+		pe->rid = (vf_bus << 8) | vf_devfn;
 
 		pe_info(pe, "VF %04d:%02d:%02d.%d associated with PE#%x\n",
 			hose->global_number, pdev->bus->number,
-			PCI_SLOT(pci_iov_virtfn_devfn(pdev, vf_index)),
-			PCI_FUNC(pci_iov_virtfn_devfn(pdev, vf_index)), pe_num);
+			PCI_SLOT(vf_devfn), PCI_FUNC(vf_devfn), pe_num);
 
 		if (pnv_ioda_configure_pe(phb, pe)) {
 			/* XXX What do we do here ? */
@@ -1555,6 +1557,15 @@
 		list_add_tail(&pe->list, &phb->ioda.pe_list);
 		mutex_unlock(&phb->ioda.pe_list_mutex);
 
+		/* associate this pe to it's pdn */
+		list_for_each_entry(vf_pdn, &pdn->parent->child_list, list) {
+			if (vf_pdn->busno == vf_bus &&
+			    vf_pdn->devfn == vf_devfn) {
+				vf_pdn->pe_number = pe_num;
+				break;
+			}
+		}
+
 		pnv_pci_ioda2_setup_dma_pe(phb, pe);
 	}
 }
diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c
index 961c131..844ca18 100644
--- a/arch/powerpc/platforms/powernv/pci.c
+++ b/arch/powerpc/platforms/powernv/pci.c
@@ -978,16 +978,12 @@
 	struct pnv_phb *phb = hose->private_data;
 #ifdef CONFIG_PCI_IOV
 	struct pnv_ioda_pe *pe;
-	struct pci_dn *pdn;
 
 	/* Fix the VF pdn PE number */
 	if (pdev->is_virtfn) {
-		pdn = pci_get_pdn(pdev);
-		WARN_ON(pdn->pe_number != IODA_INVALID_PE);
 		list_for_each_entry(pe, &phb->ioda.pe_list, list) {
 			if (pe->rid == ((pdev->bus->number << 8) |
 			    (pdev->devfn & 0xff))) {
-				pdn->pe_number = pe->pe_number;
 				pe->pdev = pdev;
 				break;
 			}
diff --git a/arch/s390/include/asm/page.h b/arch/s390/include/asm/page.h
index 779c589..5f2e272 100644
--- a/arch/s390/include/asm/page.h
+++ b/arch/s390/include/asm/page.h
@@ -42,7 +42,7 @@
 
 static inline void storage_key_init_range(unsigned long start, unsigned long end)
 {
-	if (PAGE_DEFAULT_KEY)
+	if (PAGE_DEFAULT_KEY != 0)
 		__storage_key_init_range(start, end);
 }
 
diff --git a/arch/s390/include/asm/timex.h b/arch/s390/include/asm/timex.h
index 2dc9eb4..b6a4ce9 100644
--- a/arch/s390/include/asm/timex.h
+++ b/arch/s390/include/asm/timex.h
@@ -155,7 +155,7 @@
 
 static inline unsigned long long get_tod_clock(void)
 {
-	unsigned char clk[STORE_CLOCK_EXT_SIZE];
+	char clk[STORE_CLOCK_EXT_SIZE];
 
 	get_tod_clock_ext(clk);
 	return *((unsigned long long *)&clk[1]);
diff --git a/arch/s390/kernel/mcount.S b/arch/s390/kernel/mcount.S
index 27110f3..0cfd5a8 100644
--- a/arch/s390/kernel/mcount.S
+++ b/arch/s390/kernel/mcount.S
@@ -25,6 +25,12 @@
 #define STACK_PTREGS	  (STACK_FRAME_OVERHEAD)
 #define STACK_PTREGS_GPRS (STACK_PTREGS + __PT_GPRS)
 #define STACK_PTREGS_PSW  (STACK_PTREGS + __PT_PSW)
+#ifdef __PACK_STACK
+/* allocate just enough for r14, r15 and backchain */
+#define TRACED_FUNC_FRAME_SIZE	24
+#else
+#define TRACED_FUNC_FRAME_SIZE	STACK_FRAME_OVERHEAD
+#endif
 
 ENTRY(_mcount)
 	BR_EX	%r14
@@ -38,9 +44,16 @@
 #ifndef CC_USING_HOTPATCH
 	aghi	%r0,MCOUNT_RETURN_FIXUP
 #endif
-	aghi	%r15,-STACK_FRAME_SIZE
+	# allocate stack frame for ftrace_caller to contain traced function
+	aghi	%r15,-TRACED_FUNC_FRAME_SIZE
 	stg	%r1,__SF_BACKCHAIN(%r15)
+	stg	%r0,(__SF_GPRS+8*8)(%r15)
+	stg	%r15,(__SF_GPRS+9*8)(%r15)
+	# allocate pt_regs and stack frame for ftrace_trace_function
+	aghi	%r15,-STACK_FRAME_SIZE
 	stg	%r1,(STACK_PTREGS_GPRS+15*8)(%r15)
+	aghi	%r1,-TRACED_FUNC_FRAME_SIZE
+	stg	%r1,__SF_BACKCHAIN(%r15)
 	stg	%r0,(STACK_PTREGS_PSW+8)(%r15)
 	stmg	%r2,%r14,(STACK_PTREGS_GPRS+2*8)(%r15)
 #ifdef CONFIG_HAVE_MARCH_Z196_FEATURES
diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
index 28f3796..61d25e2 100644
--- a/arch/s390/kvm/interrupt.c
+++ b/arch/s390/kvm/interrupt.c
@@ -1913,7 +1913,7 @@
 		return -EINVAL;
 
 	if (!test_kvm_facility(kvm, 72))
-		return -ENOTSUPP;
+		return -EOPNOTSUPP;
 
 	mutex_lock(&fi->ais_lock);
 	ais.simm = fi->simm;
@@ -2214,7 +2214,7 @@
 	int ret = 0;
 
 	if (!test_kvm_facility(kvm, 72))
-		return -ENOTSUPP;
+		return -EOPNOTSUPP;
 
 	if (copy_from_user(&req, (void __user *)attr->addr, sizeof(req)))
 		return -EFAULT;
@@ -2294,7 +2294,7 @@
 	struct kvm_s390_ais_all ais;
 
 	if (!test_kvm_facility(kvm, 72))
-		return -ENOTSUPP;
+		return -EOPNOTSUPP;
 
 	if (copy_from_user(&ais, (void __user *)attr->addr, sizeof(ais)))
 		return -EFAULT;
diff --git a/arch/sh/include/cpu-sh2a/cpu/sh7269.h b/arch/sh/include/cpu-sh2a/cpu/sh7269.h
index d516e5d..b887cc4 100644
--- a/arch/sh/include/cpu-sh2a/cpu/sh7269.h
+++ b/arch/sh/include/cpu-sh2a/cpu/sh7269.h
@@ -78,8 +78,15 @@
 	GPIO_FN_WDTOVF,
 
 	/* CAN */
-	GPIO_FN_CTX1, GPIO_FN_CRX1, GPIO_FN_CTX0, GPIO_FN_CTX0_CTX1,
-	GPIO_FN_CRX0, GPIO_FN_CRX0_CRX1, GPIO_FN_CRX0_CRX1_CRX2,
+	GPIO_FN_CTX2, GPIO_FN_CRX2,
+	GPIO_FN_CTX1, GPIO_FN_CRX1,
+	GPIO_FN_CTX0, GPIO_FN_CRX0,
+	GPIO_FN_CTX0_CTX1, GPIO_FN_CRX0_CRX1,
+	GPIO_FN_CTX0_CTX1_CTX2, GPIO_FN_CRX0_CRX1_CRX2,
+	GPIO_FN_CTX2_PJ21, GPIO_FN_CRX2_PJ20,
+	GPIO_FN_CTX1_PJ23, GPIO_FN_CRX1_PJ22,
+	GPIO_FN_CTX0_CTX1_PJ23, GPIO_FN_CRX0_CRX1_PJ22,
+	GPIO_FN_CTX0_CTX1_CTX2_PJ21, GPIO_FN_CRX0_CRX1_CRX2_PJ20,
 
 	/* DMAC */
 	GPIO_FN_TEND0, GPIO_FN_DACK0, GPIO_FN_DREQ0,
diff --git a/arch/sparc/kernel/vmlinux.lds.S b/arch/sparc/kernel/vmlinux.lds.S
index 5a23445..4323dc4 100644
--- a/arch/sparc/kernel/vmlinux.lds.S
+++ b/arch/sparc/kernel/vmlinux.lds.S
@@ -167,12 +167,14 @@
 	}
 	PERCPU_SECTION(SMP_CACHE_BYTES)
 
-#ifdef CONFIG_JUMP_LABEL
 	. = ALIGN(PAGE_SIZE);
 	.exit.text : {
 		EXIT_TEXT
 	}
-#endif
+
+	.exit.data : {
+		EXIT_DATA
+	}
 
 	. = ALIGN(PAGE_SIZE);
 	__init_end = .;
diff --git a/arch/x86/entry/vdso/vdso32-setup.c b/arch/x86/entry/vdso/vdso32-setup.c
index 42d4c89..ddff0ca 100644
--- a/arch/x86/entry/vdso/vdso32-setup.c
+++ b/arch/x86/entry/vdso/vdso32-setup.c
@@ -11,6 +11,7 @@
 #include <linux/smp.h>
 #include <linux/kernel.h>
 #include <linux/mm_types.h>
+#include <linux/elf.h>
 
 #include <asm/processor.h>
 #include <asm/vdso.h>
diff --git a/arch/x86/events/amd/core.c b/arch/x86/events/amd/core.c
index defb536..c3ec535 100644
--- a/arch/x86/events/amd/core.c
+++ b/arch/x86/events/amd/core.c
@@ -245,6 +245,7 @@
 	[PERF_COUNT_HW_CPU_CYCLES]		= 0x0076,
 	[PERF_COUNT_HW_INSTRUCTIONS]		= 0x00c0,
 	[PERF_COUNT_HW_CACHE_REFERENCES]	= 0xff60,
+	[PERF_COUNT_HW_CACHE_MISSES]		= 0x0964,
 	[PERF_COUNT_HW_BRANCH_INSTRUCTIONS]	= 0x00c2,
 	[PERF_COUNT_HW_BRANCH_MISSES]		= 0x00c3,
 	[PERF_COUNT_HW_STALLED_CYCLES_FRONTEND]	= 0x0287,
diff --git a/arch/x86/events/intel/ds.c b/arch/x86/events/intel/ds.c
index 3310f9f..550b781 100644
--- a/arch/x86/events/intel/ds.c
+++ b/arch/x86/events/intel/ds.c
@@ -1368,6 +1368,8 @@
 	old = ((s64)(prev_raw_count << shift) >> shift);
 	local64_add(new - old + count * period, &event->count);
 
+	local64_set(&hwc->period_left, -new);
+
 	perf_event_update_userpage(event);
 
 	return 0;
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index d0e1781..2cdf654 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -1006,7 +1006,7 @@
 	void (*load_eoi_exitmap)(struct kvm_vcpu *vcpu, u64 *eoi_exit_bitmap);
 	void (*set_virtual_apic_mode)(struct kvm_vcpu *vcpu);
 	void (*set_apic_access_page_addr)(struct kvm_vcpu *vcpu, hpa_t hpa);
-	void (*deliver_posted_interrupt)(struct kvm_vcpu *vcpu, int vector);
+	int (*deliver_posted_interrupt)(struct kvm_vcpu *vcpu, int vector);
 	int (*sync_pir_to_irr)(struct kvm_vcpu *vcpu);
 	int (*set_tss_addr)(struct kvm *kvm, unsigned int addr);
 	int (*get_tdp_level)(struct kvm_vcpu *vcpu);
diff --git a/arch/x86/kernel/cpu/mcheck/mce_amd.c b/arch/x86/kernel/cpu/mcheck/mce_amd.c
index a8f4769..bbe94b6 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_amd.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_amd.c
@@ -1116,9 +1116,12 @@
 	.store			= store,
 };
 
+static void threshold_block_release(struct kobject *kobj);
+
 static struct kobj_type threshold_ktype = {
 	.sysfs_ops		= &threshold_ops,
 	.default_attrs		= default_attrs,
+	.release		= threshold_block_release,
 };
 
 static const char *get_name(unsigned int bank, struct threshold_block *b)
@@ -1151,8 +1154,9 @@
 	return buf_mcatype;
 }
 
-static int allocate_threshold_blocks(unsigned int cpu, unsigned int bank,
-				     unsigned int block, u32 address)
+static int allocate_threshold_blocks(unsigned int cpu, struct threshold_bank *tb,
+				     unsigned int bank, unsigned int block,
+				     u32 address)
 {
 	struct threshold_block *b = NULL;
 	u32 low, high;
@@ -1196,16 +1200,12 @@
 
 	INIT_LIST_HEAD(&b->miscj);
 
-	if (per_cpu(threshold_banks, cpu)[bank]->blocks) {
-		list_add(&b->miscj,
-			 &per_cpu(threshold_banks, cpu)[bank]->blocks->miscj);
-	} else {
-		per_cpu(threshold_banks, cpu)[bank]->blocks = b;
-	}
+	if (tb->blocks)
+		list_add(&b->miscj, &tb->blocks->miscj);
+	else
+		tb->blocks = b;
 
-	err = kobject_init_and_add(&b->kobj, &threshold_ktype,
-				   per_cpu(threshold_banks, cpu)[bank]->kobj,
-				   get_name(bank, b));
+	err = kobject_init_and_add(&b->kobj, &threshold_ktype, tb->kobj, get_name(bank, b));
 	if (err)
 		goto out_free;
 recurse:
@@ -1213,7 +1213,7 @@
 	if (!address)
 		return 0;
 
-	err = allocate_threshold_blocks(cpu, bank, block, address);
+	err = allocate_threshold_blocks(cpu, tb, bank, block, address);
 	if (err)
 		goto out_free;
 
@@ -1298,8 +1298,6 @@
 		goto out_free;
 	}
 
-	per_cpu(threshold_banks, cpu)[bank] = b;
-
 	if (is_shared_bank(bank)) {
 		refcount_set(&b->cpus, 1);
 
@@ -1310,9 +1308,13 @@
 		}
 	}
 
-	err = allocate_threshold_blocks(cpu, bank, 0, msr_ops.misc(bank));
-	if (!err)
-		goto out;
+	err = allocate_threshold_blocks(cpu, b, bank, 0, msr_ops.misc(bank));
+	if (err)
+		goto out_free;
+
+	per_cpu(threshold_banks, cpu)[bank] = b;
+
+	return 0;
 
  out_free:
 	kfree(b);
@@ -1321,8 +1323,12 @@
 	return err;
 }
 
-static void deallocate_threshold_block(unsigned int cpu,
-						 unsigned int bank)
+static void threshold_block_release(struct kobject *kobj)
+{
+	kfree(to_block(kobj));
+}
+
+static void deallocate_threshold_block(unsigned int cpu, unsigned int bank)
 {
 	struct threshold_block *pos = NULL;
 	struct threshold_block *tmp = NULL;
@@ -1332,13 +1338,11 @@
 		return;
 
 	list_for_each_entry_safe(pos, tmp, &head->blocks->miscj, miscj) {
-		kobject_put(&pos->kobj);
 		list_del(&pos->miscj);
-		kfree(pos);
+		kobject_put(&pos->kobj);
 	}
 
-	kfree(per_cpu(threshold_banks, cpu)[bank]->blocks);
-	per_cpu(threshold_banks, cpu)[bank]->blocks = NULL;
+	kobject_put(&head->blocks->kobj);
 }
 
 static void __threshold_remove_blocks(struct threshold_bank *b)
diff --git a/arch/x86/kernel/sysfb_simplefb.c b/arch/x86/kernel/sysfb_simplefb.c
index 85195d4..f321534 100644
--- a/arch/x86/kernel/sysfb_simplefb.c
+++ b/arch/x86/kernel/sysfb_simplefb.c
@@ -94,11 +94,11 @@
 	if (si->orig_video_isVGA == VIDEO_TYPE_VLFB)
 		size <<= 16;
 	length = mode->height * mode->stride;
-	length = PAGE_ALIGN(length);
 	if (length > size) {
 		printk(KERN_WARNING "sysfb: VRAM smaller than advertised\n");
 		return -EINVAL;
 	}
+	length = PAGE_ALIGN(length);
 
 	/* setup IORESOURCE_MEM as framebuffer memory */
 	memset(&res, 0, sizeof(res));
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index 38959b1..1152afa 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -291,13 +291,18 @@
 {
 	switch (func) {
 	case 0:
-		entry->eax = 1;		/* only one leaf currently */
+		entry->eax = 7;
 		++*nent;
 		break;
 	case 1:
 		entry->ecx = F(MOVBE);
 		++*nent;
 		break;
+	case 7:
+		entry->flags |= KVM_CPUID_FLAG_SIGNIFCANT_INDEX;
+		if (index == 0)
+			entry->ecx = F(RDPID);
+		++*nent;
 	default:
 		break;
 	}
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 041b9b0..70f3636 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -3539,6 +3539,16 @@
 	return X86EMUL_CONTINUE;
 }
 
+static int em_rdpid(struct x86_emulate_ctxt *ctxt)
+{
+	u64 tsc_aux = 0;
+
+	if (ctxt->ops->get_msr(ctxt, MSR_TSC_AUX, &tsc_aux))
+		return emulate_gp(ctxt, 0);
+	ctxt->dst.val = tsc_aux;
+	return X86EMUL_CONTINUE;
+}
+
 static int em_rdtsc(struct x86_emulate_ctxt *ctxt)
 {
 	u64 tsc = 0;
@@ -4431,10 +4441,20 @@
 	F(DstMem | SrcImmByte | Lock | PageTable,	em_btc),
 };
 
+/*
+ * The "memory" destination is actually always a register, since we come
+ * from the register case of group9.
+ */
+static const struct gprefix pfx_0f_c7_7 = {
+	N, N, N, II(DstMem | ModRM | Op3264 | EmulateOnUD, em_rdpid, rdtscp),
+};
+
+
 static const struct group_dual group9 = { {
 	N, I(DstMem64 | Lock | PageTable, em_cmpxchg8b), N, N, N, N, N, N,
 }, {
-	N, N, N, N, N, N, N, N,
+	N, N, N, N, N, N, N,
+	GP(0, &pfx_0f_c7_7),
 } };
 
 static const struct opcode group11[] = {
diff --git a/arch/x86/kvm/irq_comm.c b/arch/x86/kvm/irq_comm.c
index 3cc3b2d..4d000aea 100644
--- a/arch/x86/kvm/irq_comm.c
+++ b/arch/x86/kvm/irq_comm.c
@@ -427,7 +427,7 @@
 
 			kvm_set_msi_irq(vcpu->kvm, entry, &irq);
 
-			if (irq.level && kvm_apic_match_dest(vcpu, NULL, 0,
+			if (irq.trig_mode && kvm_apic_match_dest(vcpu, NULL, 0,
 						irq.dest_id, irq.dest_mode))
 				__set_bit(irq.vector, ioapic_handled_vectors);
 		}
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index 8715711..537c36b 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -566,9 +566,11 @@
 static bool pv_eoi_get_pending(struct kvm_vcpu *vcpu)
 {
 	u8 val;
-	if (pv_eoi_get_user(vcpu, &val) < 0)
+	if (pv_eoi_get_user(vcpu, &val) < 0) {
 		apic_debug("Can't read EOI MSR value: 0x%llx\n",
 			   (unsigned long long)vcpu->arch.pv_eoi.msr_val);
+		return false;
+	}
 	return val & 0x1;
 }
 
@@ -993,11 +995,8 @@
 				apic_clear_vector(vector, apic->regs + APIC_TMR);
 		}
 
-		if (vcpu->arch.apicv_active)
-			kvm_x86_ops->deliver_posted_interrupt(vcpu, vector);
-		else {
+		if (kvm_x86_ops->deliver_posted_interrupt(vcpu, vector)) {
 			kvm_lapic_set_irr(vector, apic);
-
 			kvm_make_request(KVM_REQ_EVENT, vcpu);
 			kvm_vcpu_kick(vcpu);
 		}
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 52edb8c..8e65a9b 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -4631,8 +4631,11 @@
 	return;
 }
 
-static void svm_deliver_avic_intr(struct kvm_vcpu *vcpu, int vec)
+static int svm_deliver_avic_intr(struct kvm_vcpu *vcpu, int vec)
 {
+	if (!vcpu->arch.apicv_active)
+		return -1;
+
 	kvm_lapic_set_irr(vec, vcpu->arch.apic);
 	smp_mb__after_atomic();
 
@@ -4641,6 +4644,8 @@
 		       kvm_cpu_get_apicid(vcpu->cpu));
 	else
 		kvm_vcpu_wake_up(vcpu);
+
+	return 0;
 }
 
 static bool svm_dy_apicv_has_pending_interrupt(struct kvm_vcpu *vcpu)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 809d1b0..acf72da 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -4597,6 +4597,9 @@
 
 static int get_ept_level(struct kvm_vcpu *vcpu)
 {
+	/* Nested EPT currently only supports 4-level walks. */
+	if (is_guest_mode(vcpu) && nested_cpu_has_ept(get_vmcs12(vcpu)))
+		return 4;
 	if (cpu_has_vmx_ept_5levels() && (cpuid_maxphyaddr(vcpu) > 48))
 		return 5;
 	return 4;
@@ -4988,6 +4991,26 @@
 		 (ss.selector & SEGMENT_RPL_MASK));
 }
 
+static bool nested_vmx_check_io_bitmaps(struct kvm_vcpu *vcpu,
+					unsigned int port, int size);
+static bool nested_vmx_exit_handled_io(struct kvm_vcpu *vcpu,
+				       struct vmcs12 *vmcs12)
+{
+	unsigned long exit_qualification;
+	unsigned short port;
+	int size;
+
+	if (!nested_cpu_has(vmcs12, CPU_BASED_USE_IO_BITMAPS))
+		return nested_cpu_has(vmcs12, CPU_BASED_UNCOND_IO_EXITING);
+
+	exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
+
+	port = exit_qualification >> 16;
+	size = (exit_qualification & 7) + 1;
+
+	return nested_vmx_check_io_bitmaps(vcpu, port, size);
+}
+
 /*
  * Check if guest state is valid. Returns true if valid, false if
  * not.
@@ -5518,24 +5541,29 @@
  * 2. If target vcpu isn't running(root mode), kick it to pick up the
  * interrupt from PIR in next vmentry.
  */
-static void vmx_deliver_posted_interrupt(struct kvm_vcpu *vcpu, int vector)
+static int vmx_deliver_posted_interrupt(struct kvm_vcpu *vcpu, int vector)
 {
 	struct vcpu_vmx *vmx = to_vmx(vcpu);
 	int r;
 
 	r = vmx_deliver_nested_posted_interrupt(vcpu, vector);
 	if (!r)
-		return;
+		return 0;
+
+	if (!vcpu->arch.apicv_active)
+		return -1;
 
 	if (pi_test_and_set_pir(vector, &vmx->pi_desc))
-		return;
+		return 0;
 
 	/* If a previous notification has sent the IPI, nothing to do.  */
 	if (pi_test_and_set_on(&vmx->pi_desc))
-		return;
+		return 0;
 
 	if (!kvm_vcpu_trigger_posted_interrupt(vcpu, false))
 		kvm_vcpu_kick(vcpu);
+
+	return 0;
 }
 
 /*
@@ -8518,23 +8546,17 @@
 static const int kvm_vmx_max_exit_handlers =
 	ARRAY_SIZE(kvm_vmx_exit_handlers);
 
-static bool nested_vmx_exit_handled_io(struct kvm_vcpu *vcpu,
-				       struct vmcs12 *vmcs12)
+/*
+ * Return true if an IO instruction with the specified port and size should cause
+ * a VM-exit into L1.
+ */
+bool nested_vmx_check_io_bitmaps(struct kvm_vcpu *vcpu, unsigned int port,
+				 int size)
 {
-	unsigned long exit_qualification;
+	struct vmcs12 *vmcs12 = get_vmcs12(vcpu);
 	gpa_t bitmap, last_bitmap;
-	unsigned int port;
-	int size;
 	u8 b;
 
-	if (!nested_cpu_has(vmcs12, CPU_BASED_USE_IO_BITMAPS))
-		return nested_cpu_has(vmcs12, CPU_BASED_UNCOND_IO_EXITING);
-
-	exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
-
-	port = exit_qualification >> 16;
-	size = (exit_qualification & 7) + 1;
-
 	last_bitmap = (gpa_t)-1;
 	b = -1;
 
@@ -12318,11 +12340,71 @@
 		to_vmx(vcpu)->nested.sync_shadow_vmcs = true;
 }
 
+static int vmx_check_intercept_io(struct kvm_vcpu *vcpu,
+				  struct x86_instruction_info *info)
+{
+	struct vmcs12 *vmcs12 = get_vmcs12(vcpu);
+	unsigned short port;
+	bool intercept;
+	int size;
+
+	if (info->intercept == x86_intercept_in ||
+	    info->intercept == x86_intercept_ins) {
+		port = info->src_val;
+		size = info->dst_bytes;
+	} else {
+		port = info->dst_val;
+		size = info->src_bytes;
+	}
+
+	/*
+	 * If the 'use IO bitmaps' VM-execution control is 0, IO instruction
+	 * VM-exits depend on the 'unconditional IO exiting' VM-execution
+	 * control.
+	 *
+	 * Otherwise, IO instruction VM-exits are controlled by the IO bitmaps.
+	 */
+	if (!nested_cpu_has(vmcs12, CPU_BASED_USE_IO_BITMAPS))
+		intercept = nested_cpu_has(vmcs12,
+					   CPU_BASED_UNCOND_IO_EXITING);
+	else
+		intercept = nested_vmx_check_io_bitmaps(vcpu, port, size);
+
+	return intercept ? X86EMUL_UNHANDLEABLE : X86EMUL_CONTINUE;
+}
+
 static int vmx_check_intercept(struct kvm_vcpu *vcpu,
 			       struct x86_instruction_info *info,
 			       enum x86_intercept_stage stage)
 {
-	return X86EMUL_CONTINUE;
+	struct vmcs12 *vmcs12 = get_vmcs12(vcpu);
+	struct x86_emulate_ctxt *ctxt = &vcpu->arch.emulate_ctxt;
+
+	switch (info->intercept) {
+	/*
+	 * RDPID causes #UD if disabled through secondary execution controls.
+	 * Because it is marked as EmulateOnUD, we need to intercept it here.
+	 */
+	case x86_intercept_rdtscp:
+		if (!nested_cpu_has2(vmcs12, SECONDARY_EXEC_RDTSCP)) {
+			ctxt->exception.vector = UD_VECTOR;
+			ctxt->exception.error_code_valid = false;
+			return X86EMUL_PROPAGATE_FAULT;
+		}
+		break;
+
+	case x86_intercept_in:
+	case x86_intercept_ins:
+	case x86_intercept_out:
+	case x86_intercept_outs:
+		return vmx_check_intercept_io(vcpu, info);
+
+	/* TODO: check more intercepts... */
+	default:
+		break;
+	}
+
+	return X86EMUL_UNHANDLEABLE;
 }
 
 #ifdef CONFIG_X86_64
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
deleted file mode 100644
index 3791ce8..0000000
--- a/arch/x86/kvm/vmx/vmx.c
+++ /dev/null
@@ -1,8033 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Kernel-based Virtual Machine driver for Linux
- *
- * This module enables machines with Intel VT-x extensions to run virtual
- * machines without emulation or binary translation.
- *
- * Copyright (C) 2006 Qumranet, Inc.
- * Copyright 2010 Red Hat, Inc. and/or its affiliates.
- *
- * Authors:
- *   Avi Kivity   <avi@qumranet.com>
- *   Yaniv Kamay  <yaniv@qumranet.com>
- */
-
-#include <linux/frame.h>
-#include <linux/highmem.h>
-#include <linux/hrtimer.h>
-#include <linux/kernel.h>
-#include <linux/kvm_host.h>
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/mod_devicetable.h>
-#include <linux/mm.h>
-#include <linux/sched.h>
-#include <linux/sched/smt.h>
-#include <linux/slab.h>
-#include <linux/tboot.h>
-#include <linux/trace_events.h>
-
-#include <asm/apic.h>
-#include <asm/asm.h>
-#include <asm/cpu.h>
-#include <asm/debugreg.h>
-#include <asm/desc.h>
-#include <asm/fpu/internal.h>
-#include <asm/io.h>
-#include <asm/irq_remapping.h>
-#include <asm/kexec.h>
-#include <asm/perf_event.h>
-#include <asm/mce.h>
-#include <asm/mmu_context.h>
-#include <asm/mshyperv.h>
-#include <asm/spec-ctrl.h>
-#include <asm/virtext.h>
-#include <asm/vmx.h>
-
-#include "capabilities.h"
-#include "cpuid.h"
-#include "evmcs.h"
-#include "irq.h"
-#include "kvm_cache_regs.h"
-#include "lapic.h"
-#include "mmu.h"
-#include "nested.h"
-#include "ops.h"
-#include "pmu.h"
-#include "trace.h"
-#include "vmcs.h"
-#include "vmcs12.h"
-#include "vmx.h"
-#include "x86.h"
-
-MODULE_AUTHOR("Qumranet");
-MODULE_LICENSE("GPL");
-
-static const struct x86_cpu_id vmx_cpu_id[] = {
-	X86_FEATURE_MATCH(X86_FEATURE_VMX),
-	{}
-};
-MODULE_DEVICE_TABLE(x86cpu, vmx_cpu_id);
-
-bool __read_mostly enable_vpid = 1;
-module_param_named(vpid, enable_vpid, bool, 0444);
-
-static bool __read_mostly enable_vnmi = 1;
-module_param_named(vnmi, enable_vnmi, bool, S_IRUGO);
-
-bool __read_mostly flexpriority_enabled = 1;
-module_param_named(flexpriority, flexpriority_enabled, bool, S_IRUGO);
-
-bool __read_mostly enable_ept = 1;
-module_param_named(ept, enable_ept, bool, S_IRUGO);
-
-bool __read_mostly enable_unrestricted_guest = 1;
-module_param_named(unrestricted_guest,
-			enable_unrestricted_guest, bool, S_IRUGO);
-
-bool __read_mostly enable_ept_ad_bits = 1;
-module_param_named(eptad, enable_ept_ad_bits, bool, S_IRUGO);
-
-static bool __read_mostly emulate_invalid_guest_state = true;
-module_param(emulate_invalid_guest_state, bool, S_IRUGO);
-
-static bool __read_mostly fasteoi = 1;
-module_param(fasteoi, bool, S_IRUGO);
-
-static bool __read_mostly enable_apicv = 1;
-module_param(enable_apicv, bool, S_IRUGO);
-
-/*
- * If nested=1, nested virtualization is supported, i.e., guests may use
- * VMX and be a hypervisor for its own guests. If nested=0, guests may not
- * use VMX instructions.
- */
-static bool __read_mostly nested = 1;
-module_param(nested, bool, S_IRUGO);
-
-bool __read_mostly enable_pml = 1;
-module_param_named(pml, enable_pml, bool, S_IRUGO);
-
-static bool __read_mostly dump_invalid_vmcs = 0;
-module_param(dump_invalid_vmcs, bool, 0644);
-
-#define MSR_BITMAP_MODE_X2APIC		1
-#define MSR_BITMAP_MODE_X2APIC_APICV	2
-
-#define KVM_VMX_TSC_MULTIPLIER_MAX     0xffffffffffffffffULL
-
-/* Guest_tsc -> host_tsc conversion requires 64-bit division.  */
-static int __read_mostly cpu_preemption_timer_multi;
-static bool __read_mostly enable_preemption_timer = 1;
-#ifdef CONFIG_X86_64
-module_param_named(preemption_timer, enable_preemption_timer, bool, S_IRUGO);
-#endif
-
-#define KVM_VM_CR0_ALWAYS_OFF (X86_CR0_NW | X86_CR0_CD)
-#define KVM_VM_CR0_ALWAYS_ON_UNRESTRICTED_GUEST X86_CR0_NE
-#define KVM_VM_CR0_ALWAYS_ON				\
-	(KVM_VM_CR0_ALWAYS_ON_UNRESTRICTED_GUEST | 	\
-	 X86_CR0_WP | X86_CR0_PG | X86_CR0_PE)
-#define KVM_CR4_GUEST_OWNED_BITS				      \
-	(X86_CR4_PVI | X86_CR4_DE | X86_CR4_PCE | X86_CR4_OSFXSR      \
-	 | X86_CR4_OSXMMEXCPT | X86_CR4_LA57 | X86_CR4_TSD)
-
-#define KVM_VM_CR4_ALWAYS_ON_UNRESTRICTED_GUEST X86_CR4_VMXE
-#define KVM_PMODE_VM_CR4_ALWAYS_ON (X86_CR4_PAE | X86_CR4_VMXE)
-#define KVM_RMODE_VM_CR4_ALWAYS_ON (X86_CR4_VME | X86_CR4_PAE | X86_CR4_VMXE)
-
-#define RMODE_GUEST_OWNED_EFLAGS_BITS (~(X86_EFLAGS_IOPL | X86_EFLAGS_VM))
-
-#define MSR_IA32_RTIT_STATUS_MASK (~(RTIT_STATUS_FILTEREN | \
-	RTIT_STATUS_CONTEXTEN | RTIT_STATUS_TRIGGEREN | \
-	RTIT_STATUS_ERROR | RTIT_STATUS_STOPPED | \
-	RTIT_STATUS_BYTECNT))
-
-#define MSR_IA32_RTIT_OUTPUT_BASE_MASK \
-	(~((1UL << cpuid_query_maxphyaddr(vcpu)) - 1) | 0x7f)
-
-/*
- * These 2 parameters are used to config the controls for Pause-Loop Exiting:
- * ple_gap:    upper bound on the amount of time between two successive
- *             executions of PAUSE in a loop. Also indicate if ple enabled.
- *             According to test, this time is usually smaller than 128 cycles.
- * ple_window: upper bound on the amount of time a guest is allowed to execute
- *             in a PAUSE loop. Tests indicate that most spinlocks are held for
- *             less than 2^12 cycles
- * Time is measured based on a counter that runs at the same rate as the TSC,
- * refer SDM volume 3b section 21.6.13 & 22.1.3.
- */
-static unsigned int ple_gap = KVM_DEFAULT_PLE_GAP;
-module_param(ple_gap, uint, 0444);
-
-static unsigned int ple_window = KVM_VMX_DEFAULT_PLE_WINDOW;
-module_param(ple_window, uint, 0444);
-
-/* Default doubles per-vcpu window every exit. */
-static unsigned int ple_window_grow = KVM_DEFAULT_PLE_WINDOW_GROW;
-module_param(ple_window_grow, uint, 0444);
-
-/* Default resets per-vcpu window every exit to ple_window. */
-static unsigned int ple_window_shrink = KVM_DEFAULT_PLE_WINDOW_SHRINK;
-module_param(ple_window_shrink, uint, 0444);
-
-/* Default is to compute the maximum so we can never overflow. */
-static unsigned int ple_window_max        = KVM_VMX_DEFAULT_PLE_WINDOW_MAX;
-module_param(ple_window_max, uint, 0444);
-
-/* Default is SYSTEM mode, 1 for host-guest mode */
-int __read_mostly pt_mode = PT_MODE_SYSTEM;
-module_param(pt_mode, int, S_IRUGO);
-
-static DEFINE_STATIC_KEY_FALSE(vmx_l1d_should_flush);
-static DEFINE_STATIC_KEY_FALSE(vmx_l1d_flush_cond);
-static DEFINE_MUTEX(vmx_l1d_flush_mutex);
-
-/* Storage for pre module init parameter parsing */
-static enum vmx_l1d_flush_state __read_mostly vmentry_l1d_flush_param = VMENTER_L1D_FLUSH_AUTO;
-
-static const struct {
-	const char *option;
-	bool for_parse;
-} vmentry_l1d_param[] = {
-	[VMENTER_L1D_FLUSH_AUTO]	 = {"auto", true},
-	[VMENTER_L1D_FLUSH_NEVER]	 = {"never", true},
-	[VMENTER_L1D_FLUSH_COND]	 = {"cond", true},
-	[VMENTER_L1D_FLUSH_ALWAYS]	 = {"always", true},
-	[VMENTER_L1D_FLUSH_EPT_DISABLED] = {"EPT disabled", false},
-	[VMENTER_L1D_FLUSH_NOT_REQUIRED] = {"not required", false},
-};
-
-#define L1D_CACHE_ORDER 4
-static void *vmx_l1d_flush_pages;
-
-static int vmx_setup_l1d_flush(enum vmx_l1d_flush_state l1tf)
-{
-	struct page *page;
-	unsigned int i;
-
-	if (!boot_cpu_has_bug(X86_BUG_L1TF)) {
-		l1tf_vmx_mitigation = VMENTER_L1D_FLUSH_NOT_REQUIRED;
-		return 0;
-	}
-
-	if (!enable_ept) {
-		l1tf_vmx_mitigation = VMENTER_L1D_FLUSH_EPT_DISABLED;
-		return 0;
-	}
-
-	if (boot_cpu_has(X86_FEATURE_ARCH_CAPABILITIES)) {
-		u64 msr;
-
-		rdmsrl(MSR_IA32_ARCH_CAPABILITIES, msr);
-		if (msr & ARCH_CAP_SKIP_VMENTRY_L1DFLUSH) {
-			l1tf_vmx_mitigation = VMENTER_L1D_FLUSH_NOT_REQUIRED;
-			return 0;
-		}
-	}
-
-	/* If set to auto use the default l1tf mitigation method */
-	if (l1tf == VMENTER_L1D_FLUSH_AUTO) {
-		switch (l1tf_mitigation) {
-		case L1TF_MITIGATION_OFF:
-			l1tf = VMENTER_L1D_FLUSH_NEVER;
-			break;
-		case L1TF_MITIGATION_FLUSH_NOWARN:
-		case L1TF_MITIGATION_FLUSH:
-		case L1TF_MITIGATION_FLUSH_NOSMT:
-			l1tf = VMENTER_L1D_FLUSH_COND;
-			break;
-		case L1TF_MITIGATION_FULL:
-		case L1TF_MITIGATION_FULL_FORCE:
-			l1tf = VMENTER_L1D_FLUSH_ALWAYS;
-			break;
-		}
-	} else if (l1tf_mitigation == L1TF_MITIGATION_FULL_FORCE) {
-		l1tf = VMENTER_L1D_FLUSH_ALWAYS;
-	}
-
-	if (l1tf != VMENTER_L1D_FLUSH_NEVER && !vmx_l1d_flush_pages &&
-	    !boot_cpu_has(X86_FEATURE_FLUSH_L1D)) {
-		/*
-		 * This allocation for vmx_l1d_flush_pages is not tied to a VM
-		 * lifetime and so should not be charged to a memcg.
-		 */
-		page = alloc_pages(GFP_KERNEL, L1D_CACHE_ORDER);
-		if (!page)
-			return -ENOMEM;
-		vmx_l1d_flush_pages = page_address(page);
-
-		/*
-		 * Initialize each page with a different pattern in
-		 * order to protect against KSM in the nested
-		 * virtualization case.
-		 */
-		for (i = 0; i < 1u << L1D_CACHE_ORDER; ++i) {
-			memset(vmx_l1d_flush_pages + i * PAGE_SIZE, i + 1,
-			       PAGE_SIZE);
-		}
-	}
-
-	l1tf_vmx_mitigation = l1tf;
-
-	if (l1tf != VMENTER_L1D_FLUSH_NEVER)
-		static_branch_enable(&vmx_l1d_should_flush);
-	else
-		static_branch_disable(&vmx_l1d_should_flush);
-
-	if (l1tf == VMENTER_L1D_FLUSH_COND)
-		static_branch_enable(&vmx_l1d_flush_cond);
-	else
-		static_branch_disable(&vmx_l1d_flush_cond);
-	return 0;
-}
-
-static int vmentry_l1d_flush_parse(const char *s)
-{
-	unsigned int i;
-
-	if (s) {
-		for (i = 0; i < ARRAY_SIZE(vmentry_l1d_param); i++) {
-			if (vmentry_l1d_param[i].for_parse &&
-			    sysfs_streq(s, vmentry_l1d_param[i].option))
-				return i;
-		}
-	}
-	return -EINVAL;
-}
-
-static int vmentry_l1d_flush_set(const char *s, const struct kernel_param *kp)
-{
-	int l1tf, ret;
-
-	l1tf = vmentry_l1d_flush_parse(s);
-	if (l1tf < 0)
-		return l1tf;
-
-	if (!boot_cpu_has(X86_BUG_L1TF))
-		return 0;
-
-	/*
-	 * Has vmx_init() run already? If not then this is the pre init
-	 * parameter parsing. In that case just store the value and let
-	 * vmx_init() do the proper setup after enable_ept has been
-	 * established.
-	 */
-	if (l1tf_vmx_mitigation == VMENTER_L1D_FLUSH_AUTO) {
-		vmentry_l1d_flush_param = l1tf;
-		return 0;
-	}
-
-	mutex_lock(&vmx_l1d_flush_mutex);
-	ret = vmx_setup_l1d_flush(l1tf);
-	mutex_unlock(&vmx_l1d_flush_mutex);
-	return ret;
-}
-
-static int vmentry_l1d_flush_get(char *s, const struct kernel_param *kp)
-{
-	if (WARN_ON_ONCE(l1tf_vmx_mitigation >= ARRAY_SIZE(vmentry_l1d_param)))
-		return sprintf(s, "???\n");
-
-	return sprintf(s, "%s\n", vmentry_l1d_param[l1tf_vmx_mitigation].option);
-}
-
-static const struct kernel_param_ops vmentry_l1d_flush_ops = {
-	.set = vmentry_l1d_flush_set,
-	.get = vmentry_l1d_flush_get,
-};
-module_param_cb(vmentry_l1d_flush, &vmentry_l1d_flush_ops, NULL, 0644);
-
-static bool guest_state_valid(struct kvm_vcpu *vcpu);
-static u32 vmx_segment_access_rights(struct kvm_segment *var);
-static __always_inline void vmx_disable_intercept_for_msr(unsigned long *msr_bitmap,
-							  u32 msr, int type);
-
-void vmx_vmexit(void);
-
-#define vmx_insn_failed(fmt...)		\
-do {					\
-	WARN_ONCE(1, fmt);		\
-	pr_warn_ratelimited(fmt);	\
-} while (0)
-
-asmlinkage void vmread_error(unsigned long field, bool fault)
-{
-	if (fault)
-		kvm_spurious_fault();
-	else
-		vmx_insn_failed("kvm: vmread failed: field=%lx\n", field);
-}
-
-noinline void vmwrite_error(unsigned long field, unsigned long value)
-{
-	vmx_insn_failed("kvm: vmwrite failed: field=%lx val=%lx err=%d\n",
-			field, value, vmcs_read32(VM_INSTRUCTION_ERROR));
-}
-
-noinline void vmclear_error(struct vmcs *vmcs, u64 phys_addr)
-{
-	vmx_insn_failed("kvm: vmclear failed: %p/%llx\n", vmcs, phys_addr);
-}
-
-noinline void vmptrld_error(struct vmcs *vmcs, u64 phys_addr)
-{
-	vmx_insn_failed("kvm: vmptrld failed: %p/%llx\n", vmcs, phys_addr);
-}
-
-noinline void invvpid_error(unsigned long ext, u16 vpid, gva_t gva)
-{
-	vmx_insn_failed("kvm: invvpid failed: ext=0x%lx vpid=%u gva=0x%lx\n",
-			ext, vpid, gva);
-}
-
-noinline void invept_error(unsigned long ext, u64 eptp, gpa_t gpa)
-{
-	vmx_insn_failed("kvm: invept failed: ext=0x%lx eptp=%llx gpa=0x%llx\n",
-			ext, eptp, gpa);
-}
-
-static DEFINE_PER_CPU(struct vmcs *, vmxarea);
-DEFINE_PER_CPU(struct vmcs *, current_vmcs);
-/*
- * We maintain a per-CPU linked-list of VMCS loaded on that CPU. This is needed
- * when a CPU is brought down, and we need to VMCLEAR all VMCSs loaded on it.
- */
-static DEFINE_PER_CPU(struct list_head, loaded_vmcss_on_cpu);
-
-/*
- * We maintian a per-CPU linked-list of vCPU, so in wakeup_handler() we
- * can find which vCPU should be waken up.
- */
-static DEFINE_PER_CPU(struct list_head, blocked_vcpu_on_cpu);
-static DEFINE_PER_CPU(spinlock_t, blocked_vcpu_on_cpu_lock);
-
-static DECLARE_BITMAP(vmx_vpid_bitmap, VMX_NR_VPIDS);
-static DEFINE_SPINLOCK(vmx_vpid_lock);
-
-struct vmcs_config vmcs_config;
-struct vmx_capability vmx_capability;
-
-#define VMX_SEGMENT_FIELD(seg)					\
-	[VCPU_SREG_##seg] = {                                   \
-		.selector = GUEST_##seg##_SELECTOR,		\
-		.base = GUEST_##seg##_BASE,		   	\
-		.limit = GUEST_##seg##_LIMIT,		   	\
-		.ar_bytes = GUEST_##seg##_AR_BYTES,	   	\
-	}
-
-static const struct kvm_vmx_segment_field {
-	unsigned selector;
-	unsigned base;
-	unsigned limit;
-	unsigned ar_bytes;
-} kvm_vmx_segment_fields[] = {
-	VMX_SEGMENT_FIELD(CS),
-	VMX_SEGMENT_FIELD(DS),
-	VMX_SEGMENT_FIELD(ES),
-	VMX_SEGMENT_FIELD(FS),
-	VMX_SEGMENT_FIELD(GS),
-	VMX_SEGMENT_FIELD(SS),
-	VMX_SEGMENT_FIELD(TR),
-	VMX_SEGMENT_FIELD(LDTR),
-};
-
-u64 host_efer;
-static unsigned long host_idt_base;
-
-/*
- * Though SYSCALL is only supported in 64-bit mode on Intel CPUs, kvm
- * will emulate SYSCALL in legacy mode if the vendor string in guest
- * CPUID.0:{EBX,ECX,EDX} is "AuthenticAMD" or "AMDisbetter!" To
- * support this emulation, IA32_STAR must always be included in
- * vmx_msr_index[], even in i386 builds.
- */
-const u32 vmx_msr_index[] = {
-#ifdef CONFIG_X86_64
-	MSR_SYSCALL_MASK, MSR_LSTAR, MSR_CSTAR,
-#endif
-	MSR_EFER, MSR_TSC_AUX, MSR_STAR,
-	MSR_IA32_TSX_CTRL,
-};
-
-#if IS_ENABLED(CONFIG_HYPERV)
-static bool __read_mostly enlightened_vmcs = true;
-module_param(enlightened_vmcs, bool, 0444);
-
-/* check_ept_pointer() should be under protection of ept_pointer_lock. */
-static void check_ept_pointer_match(struct kvm *kvm)
-{
-	struct kvm_vcpu *vcpu;
-	u64 tmp_eptp = INVALID_PAGE;
-	int i;
-
-	kvm_for_each_vcpu(i, vcpu, kvm) {
-		if (!VALID_PAGE(tmp_eptp)) {
-			tmp_eptp = to_vmx(vcpu)->ept_pointer;
-		} else if (tmp_eptp != to_vmx(vcpu)->ept_pointer) {
-			to_kvm_vmx(kvm)->ept_pointers_match
-				= EPT_POINTERS_MISMATCH;
-			return;
-		}
-	}
-
-	to_kvm_vmx(kvm)->ept_pointers_match = EPT_POINTERS_MATCH;
-}
-
-static int kvm_fill_hv_flush_list_func(struct hv_guest_mapping_flush_list *flush,
-		void *data)
-{
-	struct kvm_tlb_range *range = data;
-
-	return hyperv_fill_flush_guest_mapping_list(flush, range->start_gfn,
-			range->pages);
-}
-
-static inline int __hv_remote_flush_tlb_with_range(struct kvm *kvm,
-		struct kvm_vcpu *vcpu, struct kvm_tlb_range *range)
-{
-	u64 ept_pointer = to_vmx(vcpu)->ept_pointer;
-
-	/*
-	 * FLUSH_GUEST_PHYSICAL_ADDRESS_SPACE hypercall needs address
-	 * of the base of EPT PML4 table, strip off EPT configuration
-	 * information.
-	 */
-	if (range)
-		return hyperv_flush_guest_mapping_range(ept_pointer & PAGE_MASK,
-				kvm_fill_hv_flush_list_func, (void *)range);
-	else
-		return hyperv_flush_guest_mapping(ept_pointer & PAGE_MASK);
-}
-
-static int hv_remote_flush_tlb_with_range(struct kvm *kvm,
-		struct kvm_tlb_range *range)
-{
-	struct kvm_vcpu *vcpu;
-	int ret = 0, i;
-
-	spin_lock(&to_kvm_vmx(kvm)->ept_pointer_lock);
-
-	if (to_kvm_vmx(kvm)->ept_pointers_match == EPT_POINTERS_CHECK)
-		check_ept_pointer_match(kvm);
-
-	if (to_kvm_vmx(kvm)->ept_pointers_match != EPT_POINTERS_MATCH) {
-		kvm_for_each_vcpu(i, vcpu, kvm) {
-			/* If ept_pointer is invalid pointer, bypass flush request. */
-			if (VALID_PAGE(to_vmx(vcpu)->ept_pointer))
-				ret |= __hv_remote_flush_tlb_with_range(
-					kvm, vcpu, range);
-		}
-	} else {
-		ret = __hv_remote_flush_tlb_with_range(kvm,
-				kvm_get_vcpu(kvm, 0), range);
-	}
-
-	spin_unlock(&to_kvm_vmx(kvm)->ept_pointer_lock);
-	return ret;
-}
-static int hv_remote_flush_tlb(struct kvm *kvm)
-{
-	return hv_remote_flush_tlb_with_range(kvm, NULL);
-}
-
-static int hv_enable_direct_tlbflush(struct kvm_vcpu *vcpu)
-{
-	struct hv_enlightened_vmcs *evmcs;
-	struct hv_partition_assist_pg **p_hv_pa_pg =
-			&vcpu->kvm->arch.hyperv.hv_pa_pg;
-	/*
-	 * Synthetic VM-Exit is not enabled in current code and so All
-	 * evmcs in singe VM shares same assist page.
-	 */
-	if (!*p_hv_pa_pg)
-		*p_hv_pa_pg = kzalloc(PAGE_SIZE, GFP_KERNEL);
-
-	if (!*p_hv_pa_pg)
-		return -ENOMEM;
-
-	evmcs = (struct hv_enlightened_vmcs *)to_vmx(vcpu)->loaded_vmcs->vmcs;
-
-	evmcs->partition_assist_page =
-		__pa(*p_hv_pa_pg);
-	evmcs->hv_vm_id = (unsigned long)vcpu->kvm;
-	evmcs->hv_enlightenments_control.nested_flush_hypercall = 1;
-
-	return 0;
-}
-
-#endif /* IS_ENABLED(CONFIG_HYPERV) */
-
-/*
- * Comment's format: document - errata name - stepping - processor name.
- * Refer from
- * https://www.virtualbox.org/svn/vbox/trunk/src/VBox/VMM/VMMR0/HMR0.cpp
- */
-static u32 vmx_preemption_cpu_tfms[] = {
-/* 323344.pdf - BA86   - D0 - Xeon 7500 Series */
-0x000206E6,
-/* 323056.pdf - AAX65  - C2 - Xeon L3406 */
-/* 322814.pdf - AAT59  - C2 - i7-600, i5-500, i5-400 and i3-300 Mobile */
-/* 322911.pdf - AAU65  - C2 - i5-600, i3-500 Desktop and Pentium G6950 */
-0x00020652,
-/* 322911.pdf - AAU65  - K0 - i5-600, i3-500 Desktop and Pentium G6950 */
-0x00020655,
-/* 322373.pdf - AAO95  - B1 - Xeon 3400 Series */
-/* 322166.pdf - AAN92  - B1 - i7-800 and i5-700 Desktop */
-/*
- * 320767.pdf - AAP86  - B1 -
- * i7-900 Mobile Extreme, i7-800 and i7-700 Mobile
- */
-0x000106E5,
-/* 321333.pdf - AAM126 - C0 - Xeon 3500 */
-0x000106A0,
-/* 321333.pdf - AAM126 - C1 - Xeon 3500 */
-0x000106A1,
-/* 320836.pdf - AAJ124 - C0 - i7-900 Desktop Extreme and i7-900 Desktop */
-0x000106A4,
- /* 321333.pdf - AAM126 - D0 - Xeon 3500 */
- /* 321324.pdf - AAK139 - D0 - Xeon 5500 */
- /* 320836.pdf - AAJ124 - D0 - i7-900 Extreme and i7-900 Desktop */
-0x000106A5,
- /* Xeon E3-1220 V2 */
-0x000306A8,
-};
-
-static inline bool cpu_has_broken_vmx_preemption_timer(void)
-{
-	u32 eax = cpuid_eax(0x00000001), i;
-
-	/* Clear the reserved bits */
-	eax &= ~(0x3U << 14 | 0xfU << 28);
-	for (i = 0; i < ARRAY_SIZE(vmx_preemption_cpu_tfms); i++)
-		if (eax == vmx_preemption_cpu_tfms[i])
-			return true;
-
-	return false;
-}
-
-static inline bool cpu_need_virtualize_apic_accesses(struct kvm_vcpu *vcpu)
-{
-	return flexpriority_enabled && lapic_in_kernel(vcpu);
-}
-
-static inline bool report_flexpriority(void)
-{
-	return flexpriority_enabled;
-}
-
-static inline int __find_msr_index(struct vcpu_vmx *vmx, u32 msr)
-{
-	int i;
-
-	for (i = 0; i < vmx->nmsrs; ++i)
-		if (vmx_msr_index[vmx->guest_msrs[i].index] == msr)
-			return i;
-	return -1;
-}
-
-struct shared_msr_entry *find_msr_entry(struct vcpu_vmx *vmx, u32 msr)
-{
-	int i;
-
-	i = __find_msr_index(vmx, msr);
-	if (i >= 0)
-		return &vmx->guest_msrs[i];
-	return NULL;
-}
-
-static int vmx_set_guest_msr(struct vcpu_vmx *vmx, struct shared_msr_entry *msr, u64 data)
-{
-	int ret = 0;
-
-	u64 old_msr_data = msr->data;
-	msr->data = data;
-	if (msr - vmx->guest_msrs < vmx->save_nmsrs) {
-		preempt_disable();
-		ret = kvm_set_shared_msr(msr->index, msr->data,
-					 msr->mask);
-		preempt_enable();
-		if (ret)
-			msr->data = old_msr_data;
-	}
-	return ret;
-}
-
-void loaded_vmcs_init(struct loaded_vmcs *loaded_vmcs)
-{
-	vmcs_clear(loaded_vmcs->vmcs);
-	if (loaded_vmcs->shadow_vmcs && loaded_vmcs->launched)
-		vmcs_clear(loaded_vmcs->shadow_vmcs);
-	loaded_vmcs->cpu = -1;
-	loaded_vmcs->launched = 0;
-}
-
-#ifdef CONFIG_KEXEC_CORE
-/*
- * This bitmap is used to indicate whether the vmclear
- * operation is enabled on all cpus. All disabled by
- * default.
- */
-static cpumask_t crash_vmclear_enabled_bitmap = CPU_MASK_NONE;
-
-static inline void crash_enable_local_vmclear(int cpu)
-{
-	cpumask_set_cpu(cpu, &crash_vmclear_enabled_bitmap);
-}
-
-static inline void crash_disable_local_vmclear(int cpu)
-{
-	cpumask_clear_cpu(cpu, &crash_vmclear_enabled_bitmap);
-}
-
-static inline int crash_local_vmclear_enabled(int cpu)
-{
-	return cpumask_test_cpu(cpu, &crash_vmclear_enabled_bitmap);
-}
-
-static void crash_vmclear_local_loaded_vmcss(void)
-{
-	int cpu = raw_smp_processor_id();
-	struct loaded_vmcs *v;
-
-	if (!crash_local_vmclear_enabled(cpu))
-		return;
-
-	list_for_each_entry(v, &per_cpu(loaded_vmcss_on_cpu, cpu),
-			    loaded_vmcss_on_cpu_link)
-		vmcs_clear(v->vmcs);
-}
-#else
-static inline void crash_enable_local_vmclear(int cpu) { }
-static inline void crash_disable_local_vmclear(int cpu) { }
-#endif /* CONFIG_KEXEC_CORE */
-
-static void __loaded_vmcs_clear(void *arg)
-{
-	struct loaded_vmcs *loaded_vmcs = arg;
-	int cpu = raw_smp_processor_id();
-
-	if (loaded_vmcs->cpu != cpu)
-		return; /* vcpu migration can race with cpu offline */
-	if (per_cpu(current_vmcs, cpu) == loaded_vmcs->vmcs)
-		per_cpu(current_vmcs, cpu) = NULL;
-	crash_disable_local_vmclear(cpu);
-	list_del(&loaded_vmcs->loaded_vmcss_on_cpu_link);
-
-	/*
-	 * we should ensure updating loaded_vmcs->loaded_vmcss_on_cpu_link
-	 * is before setting loaded_vmcs->vcpu to -1 which is done in
-	 * loaded_vmcs_init. Otherwise, other cpu can see vcpu = -1 fist
-	 * then adds the vmcs into percpu list before it is deleted.
-	 */
-	smp_wmb();
-
-	loaded_vmcs_init(loaded_vmcs);
-	crash_enable_local_vmclear(cpu);
-}
-
-void loaded_vmcs_clear(struct loaded_vmcs *loaded_vmcs)
-{
-	int cpu = loaded_vmcs->cpu;
-
-	if (cpu != -1)
-		smp_call_function_single(cpu,
-			 __loaded_vmcs_clear, loaded_vmcs, 1);
-}
-
-static bool vmx_segment_cache_test_set(struct vcpu_vmx *vmx, unsigned seg,
-				       unsigned field)
-{
-	bool ret;
-	u32 mask = 1 << (seg * SEG_FIELD_NR + field);
-
-	if (!kvm_register_is_available(&vmx->vcpu, VCPU_EXREG_SEGMENTS)) {
-		kvm_register_mark_available(&vmx->vcpu, VCPU_EXREG_SEGMENTS);
-		vmx->segment_cache.bitmask = 0;
-	}
-	ret = vmx->segment_cache.bitmask & mask;
-	vmx->segment_cache.bitmask |= mask;
-	return ret;
-}
-
-static u16 vmx_read_guest_seg_selector(struct vcpu_vmx *vmx, unsigned seg)
-{
-	u16 *p = &vmx->segment_cache.seg[seg].selector;
-
-	if (!vmx_segment_cache_test_set(vmx, seg, SEG_FIELD_SEL))
-		*p = vmcs_read16(kvm_vmx_segment_fields[seg].selector);
-	return *p;
-}
-
-static ulong vmx_read_guest_seg_base(struct vcpu_vmx *vmx, unsigned seg)
-{
-	ulong *p = &vmx->segment_cache.seg[seg].base;
-
-	if (!vmx_segment_cache_test_set(vmx, seg, SEG_FIELD_BASE))
-		*p = vmcs_readl(kvm_vmx_segment_fields[seg].base);
-	return *p;
-}
-
-static u32 vmx_read_guest_seg_limit(struct vcpu_vmx *vmx, unsigned seg)
-{
-	u32 *p = &vmx->segment_cache.seg[seg].limit;
-
-	if (!vmx_segment_cache_test_set(vmx, seg, SEG_FIELD_LIMIT))
-		*p = vmcs_read32(kvm_vmx_segment_fields[seg].limit);
-	return *p;
-}
-
-static u32 vmx_read_guest_seg_ar(struct vcpu_vmx *vmx, unsigned seg)
-{
-	u32 *p = &vmx->segment_cache.seg[seg].ar;
-
-	if (!vmx_segment_cache_test_set(vmx, seg, SEG_FIELD_AR))
-		*p = vmcs_read32(kvm_vmx_segment_fields[seg].ar_bytes);
-	return *p;
-}
-
-void update_exception_bitmap(struct kvm_vcpu *vcpu)
-{
-	u32 eb;
-
-	eb = (1u << PF_VECTOR) | (1u << UD_VECTOR) | (1u << MC_VECTOR) |
-	     (1u << DB_VECTOR) | (1u << AC_VECTOR);
-	/*
-	 * Guest access to VMware backdoor ports could legitimately
-	 * trigger #GP because of TSS I/O permission bitmap.
-	 * We intercept those #GP and allow access to them anyway
-	 * as VMware does.
-	 */
-	if (enable_vmware_backdoor)
-		eb |= (1u << GP_VECTOR);
-	if ((vcpu->guest_debug &
-	     (KVM_GUESTDBG_ENABLE | KVM_GUESTDBG_USE_SW_BP)) ==
-	    (KVM_GUESTDBG_ENABLE | KVM_GUESTDBG_USE_SW_BP))
-		eb |= 1u << BP_VECTOR;
-	if (to_vmx(vcpu)->rmode.vm86_active)
-		eb = ~0;
-	if (enable_ept)
-		eb &= ~(1u << PF_VECTOR); /* bypass_guest_pf = 0 */
-
-	/* When we are running a nested L2 guest and L1 specified for it a
-	 * certain exception bitmap, we must trap the same exceptions and pass
-	 * them to L1. When running L2, we will only handle the exceptions
-	 * specified above if L1 did not want them.
-	 */
-	if (is_guest_mode(vcpu))
-		eb |= get_vmcs12(vcpu)->exception_bitmap;
-
-	vmcs_write32(EXCEPTION_BITMAP, eb);
-}
-
-/*
- * Check if MSR is intercepted for currently loaded MSR bitmap.
- */
-static bool msr_write_intercepted(struct kvm_vcpu *vcpu, u32 msr)
-{
-	unsigned long *msr_bitmap;
-	int f = sizeof(unsigned long);
-
-	if (!cpu_has_vmx_msr_bitmap())
-		return true;
-
-	msr_bitmap = to_vmx(vcpu)->loaded_vmcs->msr_bitmap;
-
-	if (msr <= 0x1fff) {
-		return !!test_bit(msr, msr_bitmap + 0x800 / f);
-	} else if ((msr >= 0xc0000000) && (msr <= 0xc0001fff)) {
-		msr &= 0x1fff;
-		return !!test_bit(msr, msr_bitmap + 0xc00 / f);
-	}
-
-	return true;
-}
-
-static void clear_atomic_switch_msr_special(struct vcpu_vmx *vmx,
-		unsigned long entry, unsigned long exit)
-{
-	vm_entry_controls_clearbit(vmx, entry);
-	vm_exit_controls_clearbit(vmx, exit);
-}
-
-int vmx_find_msr_index(struct vmx_msrs *m, u32 msr)
-{
-	unsigned int i;
-
-	for (i = 0; i < m->nr; ++i) {
-		if (m->val[i].index == msr)
-			return i;
-	}
-	return -ENOENT;
-}
-
-static void clear_atomic_switch_msr(struct vcpu_vmx *vmx, unsigned msr)
-{
-	int i;
-	struct msr_autoload *m = &vmx->msr_autoload;
-
-	switch (msr) {
-	case MSR_EFER:
-		if (cpu_has_load_ia32_efer()) {
-			clear_atomic_switch_msr_special(vmx,
-					VM_ENTRY_LOAD_IA32_EFER,
-					VM_EXIT_LOAD_IA32_EFER);
-			return;
-		}
-		break;
-	case MSR_CORE_PERF_GLOBAL_CTRL:
-		if (cpu_has_load_perf_global_ctrl()) {
-			clear_atomic_switch_msr_special(vmx,
-					VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL,
-					VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL);
-			return;
-		}
-		break;
-	}
-	i = vmx_find_msr_index(&m->guest, msr);
-	if (i < 0)
-		goto skip_guest;
-	--m->guest.nr;
-	m->guest.val[i] = m->guest.val[m->guest.nr];
-	vmcs_write32(VM_ENTRY_MSR_LOAD_COUNT, m->guest.nr);
-
-skip_guest:
-	i = vmx_find_msr_index(&m->host, msr);
-	if (i < 0)
-		return;
-
-	--m->host.nr;
-	m->host.val[i] = m->host.val[m->host.nr];
-	vmcs_write32(VM_EXIT_MSR_LOAD_COUNT, m->host.nr);
-}
-
-static void add_atomic_switch_msr_special(struct vcpu_vmx *vmx,
-		unsigned long entry, unsigned long exit,
-		unsigned long guest_val_vmcs, unsigned long host_val_vmcs,
-		u64 guest_val, u64 host_val)
-{
-	vmcs_write64(guest_val_vmcs, guest_val);
-	if (host_val_vmcs != HOST_IA32_EFER)
-		vmcs_write64(host_val_vmcs, host_val);
-	vm_entry_controls_setbit(vmx, entry);
-	vm_exit_controls_setbit(vmx, exit);
-}
-
-static void add_atomic_switch_msr(struct vcpu_vmx *vmx, unsigned msr,
-				  u64 guest_val, u64 host_val, bool entry_only)
-{
-	int i, j = 0;
-	struct msr_autoload *m = &vmx->msr_autoload;
-
-	switch (msr) {
-	case MSR_EFER:
-		if (cpu_has_load_ia32_efer()) {
-			add_atomic_switch_msr_special(vmx,
-					VM_ENTRY_LOAD_IA32_EFER,
-					VM_EXIT_LOAD_IA32_EFER,
-					GUEST_IA32_EFER,
-					HOST_IA32_EFER,
-					guest_val, host_val);
-			return;
-		}
-		break;
-	case MSR_CORE_PERF_GLOBAL_CTRL:
-		if (cpu_has_load_perf_global_ctrl()) {
-			add_atomic_switch_msr_special(vmx,
-					VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL,
-					VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL,
-					GUEST_IA32_PERF_GLOBAL_CTRL,
-					HOST_IA32_PERF_GLOBAL_CTRL,
-					guest_val, host_val);
-			return;
-		}
-		break;
-	case MSR_IA32_PEBS_ENABLE:
-		/* PEBS needs a quiescent period after being disabled (to write
-		 * a record).  Disabling PEBS through VMX MSR swapping doesn't
-		 * provide that period, so a CPU could write host's record into
-		 * guest's memory.
-		 */
-		wrmsrl(MSR_IA32_PEBS_ENABLE, 0);
-	}
-
-	i = vmx_find_msr_index(&m->guest, msr);
-	if (!entry_only)
-		j = vmx_find_msr_index(&m->host, msr);
-
-	if ((i < 0 && m->guest.nr == NR_LOADSTORE_MSRS) ||
-		(j < 0 &&  m->host.nr == NR_LOADSTORE_MSRS)) {
-		printk_once(KERN_WARNING "Not enough msr switch entries. "
-				"Can't add msr %x\n", msr);
-		return;
-	}
-	if (i < 0) {
-		i = m->guest.nr++;
-		vmcs_write32(VM_ENTRY_MSR_LOAD_COUNT, m->guest.nr);
-	}
-	m->guest.val[i].index = msr;
-	m->guest.val[i].value = guest_val;
-
-	if (entry_only)
-		return;
-
-	if (j < 0) {
-		j = m->host.nr++;
-		vmcs_write32(VM_EXIT_MSR_LOAD_COUNT, m->host.nr);
-	}
-	m->host.val[j].index = msr;
-	m->host.val[j].value = host_val;
-}
-
-static bool update_transition_efer(struct vcpu_vmx *vmx, int efer_offset)
-{
-	u64 guest_efer = vmx->vcpu.arch.efer;
-	u64 ignore_bits = 0;
-
-	/* Shadow paging assumes NX to be available.  */
-	if (!enable_ept)
-		guest_efer |= EFER_NX;
-
-	/*
-	 * LMA and LME handled by hardware; SCE meaningless outside long mode.
-	 */
-	ignore_bits |= EFER_SCE;
-#ifdef CONFIG_X86_64
-	ignore_bits |= EFER_LMA | EFER_LME;
-	/* SCE is meaningful only in long mode on Intel */
-	if (guest_efer & EFER_LMA)
-		ignore_bits &= ~(u64)EFER_SCE;
-#endif
-
-	/*
-	 * On EPT, we can't emulate NX, so we must switch EFER atomically.
-	 * On CPUs that support "load IA32_EFER", always switch EFER
-	 * atomically, since it's faster than switching it manually.
-	 */
-	if (cpu_has_load_ia32_efer() ||
-	    (enable_ept && ((vmx->vcpu.arch.efer ^ host_efer) & EFER_NX))) {
-		if (!(guest_efer & EFER_LMA))
-			guest_efer &= ~EFER_LME;
-		if (guest_efer != host_efer)
-			add_atomic_switch_msr(vmx, MSR_EFER,
-					      guest_efer, host_efer, false);
-		else
-			clear_atomic_switch_msr(vmx, MSR_EFER);
-		return false;
-	} else {
-		clear_atomic_switch_msr(vmx, MSR_EFER);
-
-		guest_efer &= ~ignore_bits;
-		guest_efer |= host_efer & ignore_bits;
-
-		vmx->guest_msrs[efer_offset].data = guest_efer;
-		vmx->guest_msrs[efer_offset].mask = ~ignore_bits;
-
-		return true;
-	}
-}
-
-#ifdef CONFIG_X86_32
-/*
- * On 32-bit kernels, VM exits still load the FS and GS bases from the
- * VMCS rather than the segment table.  KVM uses this helper to figure
- * out the current bases to poke them into the VMCS before entry.
- */
-static unsigned long segment_base(u16 selector)
-{
-	struct desc_struct *table;
-	unsigned long v;
-
-	if (!(selector & ~SEGMENT_RPL_MASK))
-		return 0;
-
-	table = get_current_gdt_ro();
-
-	if ((selector & SEGMENT_TI_MASK) == SEGMENT_LDT) {
-		u16 ldt_selector = kvm_read_ldt();
-
-		if (!(ldt_selector & ~SEGMENT_RPL_MASK))
-			return 0;
-
-		table = (struct desc_struct *)segment_base(ldt_selector);
-	}
-	v = get_desc_base(&table[selector >> 3]);
-	return v;
-}
-#endif
-
-static inline void pt_load_msr(struct pt_ctx *ctx, u32 addr_range)
-{
-	u32 i;
-
-	wrmsrl(MSR_IA32_RTIT_STATUS, ctx->status);
-	wrmsrl(MSR_IA32_RTIT_OUTPUT_BASE, ctx->output_base);
-	wrmsrl(MSR_IA32_RTIT_OUTPUT_MASK, ctx->output_mask);
-	wrmsrl(MSR_IA32_RTIT_CR3_MATCH, ctx->cr3_match);
-	for (i = 0; i < addr_range; i++) {
-		wrmsrl(MSR_IA32_RTIT_ADDR0_A + i * 2, ctx->addr_a[i]);
-		wrmsrl(MSR_IA32_RTIT_ADDR0_B + i * 2, ctx->addr_b[i]);
-	}
-}
-
-static inline void pt_save_msr(struct pt_ctx *ctx, u32 addr_range)
-{
-	u32 i;
-
-	rdmsrl(MSR_IA32_RTIT_STATUS, ctx->status);
-	rdmsrl(MSR_IA32_RTIT_OUTPUT_BASE, ctx->output_base);
-	rdmsrl(MSR_IA32_RTIT_OUTPUT_MASK, ctx->output_mask);
-	rdmsrl(MSR_IA32_RTIT_CR3_MATCH, ctx->cr3_match);
-	for (i = 0; i < addr_range; i++) {
-		rdmsrl(MSR_IA32_RTIT_ADDR0_A + i * 2, ctx->addr_a[i]);
-		rdmsrl(MSR_IA32_RTIT_ADDR0_B + i * 2, ctx->addr_b[i]);
-	}
-}
-
-static void pt_guest_enter(struct vcpu_vmx *vmx)
-{
-	if (pt_mode == PT_MODE_SYSTEM)
-		return;
-
-	/*
-	 * GUEST_IA32_RTIT_CTL is already set in the VMCS.
-	 * Save host state before VM entry.
-	 */
-	rdmsrl(MSR_IA32_RTIT_CTL, vmx->pt_desc.host.ctl);
-	if (vmx->pt_desc.guest.ctl & RTIT_CTL_TRACEEN) {
-		wrmsrl(MSR_IA32_RTIT_CTL, 0);
-		pt_save_msr(&vmx->pt_desc.host, vmx->pt_desc.addr_range);
-		pt_load_msr(&vmx->pt_desc.guest, vmx->pt_desc.addr_range);
-	}
-}
-
-static void pt_guest_exit(struct vcpu_vmx *vmx)
-{
-	if (pt_mode == PT_MODE_SYSTEM)
-		return;
-
-	if (vmx->pt_desc.guest.ctl & RTIT_CTL_TRACEEN) {
-		pt_save_msr(&vmx->pt_desc.guest, vmx->pt_desc.addr_range);
-		pt_load_msr(&vmx->pt_desc.host, vmx->pt_desc.addr_range);
-	}
-
-	/* Reload host state (IA32_RTIT_CTL will be cleared on VM exit). */
-	wrmsrl(MSR_IA32_RTIT_CTL, vmx->pt_desc.host.ctl);
-}
-
-void vmx_set_host_fs_gs(struct vmcs_host_state *host, u16 fs_sel, u16 gs_sel,
-			unsigned long fs_base, unsigned long gs_base)
-{
-	if (unlikely(fs_sel != host->fs_sel)) {
-		if (!(fs_sel & 7))
-			vmcs_write16(HOST_FS_SELECTOR, fs_sel);
-		else
-			vmcs_write16(HOST_FS_SELECTOR, 0);
-		host->fs_sel = fs_sel;
-	}
-	if (unlikely(gs_sel != host->gs_sel)) {
-		if (!(gs_sel & 7))
-			vmcs_write16(HOST_GS_SELECTOR, gs_sel);
-		else
-			vmcs_write16(HOST_GS_SELECTOR, 0);
-		host->gs_sel = gs_sel;
-	}
-	if (unlikely(fs_base != host->fs_base)) {
-		vmcs_writel(HOST_FS_BASE, fs_base);
-		host->fs_base = fs_base;
-	}
-	if (unlikely(gs_base != host->gs_base)) {
-		vmcs_writel(HOST_GS_BASE, gs_base);
-		host->gs_base = gs_base;
-	}
-}
-
-void vmx_prepare_switch_to_guest(struct kvm_vcpu *vcpu)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-	struct vmcs_host_state *host_state;
-#ifdef CONFIG_X86_64
-	int cpu = raw_smp_processor_id();
-#endif
-	unsigned long fs_base, gs_base;
-	u16 fs_sel, gs_sel;
-	int i;
-
-	vmx->req_immediate_exit = false;
-
-	/*
-	 * Note that guest MSRs to be saved/restored can also be changed
-	 * when guest state is loaded. This happens when guest transitions
-	 * to/from long-mode by setting MSR_EFER.LMA.
-	 */
-	if (!vmx->guest_msrs_ready) {
-		vmx->guest_msrs_ready = true;
-		for (i = 0; i < vmx->save_nmsrs; ++i)
-			kvm_set_shared_msr(vmx->guest_msrs[i].index,
-					   vmx->guest_msrs[i].data,
-					   vmx->guest_msrs[i].mask);
-
-	}
-	if (vmx->guest_state_loaded)
-		return;
-
-	host_state = &vmx->loaded_vmcs->host_state;
-
-	/*
-	 * Set host fs and gs selectors.  Unfortunately, 22.2.3 does not
-	 * allow segment selectors with cpl > 0 or ti == 1.
-	 */
-	host_state->ldt_sel = kvm_read_ldt();
-
-#ifdef CONFIG_X86_64
-	savesegment(ds, host_state->ds_sel);
-	savesegment(es, host_state->es_sel);
-
-	gs_base = cpu_kernelmode_gs_base(cpu);
-	if (likely(is_64bit_mm(current->mm))) {
-		save_fsgs_for_kvm();
-		fs_sel = current->thread.fsindex;
-		gs_sel = current->thread.gsindex;
-		fs_base = current->thread.fsbase;
-		vmx->msr_host_kernel_gs_base = current->thread.gsbase;
-	} else {
-		savesegment(fs, fs_sel);
-		savesegment(gs, gs_sel);
-		fs_base = read_msr(MSR_FS_BASE);
-		vmx->msr_host_kernel_gs_base = read_msr(MSR_KERNEL_GS_BASE);
-	}
-
-	wrmsrl(MSR_KERNEL_GS_BASE, vmx->msr_guest_kernel_gs_base);
-#else
-	savesegment(fs, fs_sel);
-	savesegment(gs, gs_sel);
-	fs_base = segment_base(fs_sel);
-	gs_base = segment_base(gs_sel);
-#endif
-
-	vmx_set_host_fs_gs(host_state, fs_sel, gs_sel, fs_base, gs_base);
-	vmx->guest_state_loaded = true;
-}
-
-static void vmx_prepare_switch_to_host(struct vcpu_vmx *vmx)
-{
-	struct vmcs_host_state *host_state;
-
-	if (!vmx->guest_state_loaded)
-		return;
-
-	host_state = &vmx->loaded_vmcs->host_state;
-
-	++vmx->vcpu.stat.host_state_reload;
-
-#ifdef CONFIG_X86_64
-	rdmsrl(MSR_KERNEL_GS_BASE, vmx->msr_guest_kernel_gs_base);
-#endif
-	if (host_state->ldt_sel || (host_state->gs_sel & 7)) {
-		kvm_load_ldt(host_state->ldt_sel);
-#ifdef CONFIG_X86_64
-		load_gs_index(host_state->gs_sel);
-#else
-		loadsegment(gs, host_state->gs_sel);
-#endif
-	}
-	if (host_state->fs_sel & 7)
-		loadsegment(fs, host_state->fs_sel);
-#ifdef CONFIG_X86_64
-	if (unlikely(host_state->ds_sel | host_state->es_sel)) {
-		loadsegment(ds, host_state->ds_sel);
-		loadsegment(es, host_state->es_sel);
-	}
-#endif
-	invalidate_tss_limit();
-#ifdef CONFIG_X86_64
-	wrmsrl(MSR_KERNEL_GS_BASE, vmx->msr_host_kernel_gs_base);
-#endif
-	load_fixmap_gdt(raw_smp_processor_id());
-	vmx->guest_state_loaded = false;
-	vmx->guest_msrs_ready = false;
-}
-
-#ifdef CONFIG_X86_64
-static u64 vmx_read_guest_kernel_gs_base(struct vcpu_vmx *vmx)
-{
-	preempt_disable();
-	if (vmx->guest_state_loaded)
-		rdmsrl(MSR_KERNEL_GS_BASE, vmx->msr_guest_kernel_gs_base);
-	preempt_enable();
-	return vmx->msr_guest_kernel_gs_base;
-}
-
-static void vmx_write_guest_kernel_gs_base(struct vcpu_vmx *vmx, u64 data)
-{
-	preempt_disable();
-	if (vmx->guest_state_loaded)
-		wrmsrl(MSR_KERNEL_GS_BASE, data);
-	preempt_enable();
-	vmx->msr_guest_kernel_gs_base = data;
-}
-#endif
-
-static void vmx_vcpu_pi_load(struct kvm_vcpu *vcpu, int cpu)
-{
-	struct pi_desc *pi_desc = vcpu_to_pi_desc(vcpu);
-	struct pi_desc old, new;
-	unsigned int dest;
-
-	/*
-	 * In case of hot-plug or hot-unplug, we may have to undo
-	 * vmx_vcpu_pi_put even if there is no assigned device.  And we
-	 * always keep PI.NDST up to date for simplicity: it makes the
-	 * code easier, and CPU migration is not a fast path.
-	 */
-	if (!pi_test_sn(pi_desc) && vcpu->cpu == cpu)
-		return;
-
-	/*
-	 * If the 'nv' field is POSTED_INTR_WAKEUP_VECTOR, do not change
-	 * PI.NDST: pi_post_block is the one expected to change PID.NDST and the
-	 * wakeup handler expects the vCPU to be on the blocked_vcpu_list that
-	 * matches PI.NDST. Otherwise, a vcpu may not be able to be woken up
-	 * correctly.
-	 */
-	if (pi_desc->nv == POSTED_INTR_WAKEUP_VECTOR || vcpu->cpu == cpu) {
-		pi_clear_sn(pi_desc);
-		goto after_clear_sn;
-	}
-
-	/* The full case.  */
-	do {
-		old.control = new.control = pi_desc->control;
-
-		dest = cpu_physical_id(cpu);
-
-		if (x2apic_enabled())
-			new.ndst = dest;
-		else
-			new.ndst = (dest << 8) & 0xFF00;
-
-		new.sn = 0;
-	} while (cmpxchg64(&pi_desc->control, old.control,
-			   new.control) != old.control);
-
-after_clear_sn:
-
-	/*
-	 * Clear SN before reading the bitmap.  The VT-d firmware
-	 * writes the bitmap and reads SN atomically (5.2.3 in the
-	 * spec), so it doesn't really have a memory barrier that
-	 * pairs with this, but we cannot do that and we need one.
-	 */
-	smp_mb__after_atomic();
-
-	if (!pi_is_pir_empty(pi_desc))
-		pi_set_on(pi_desc);
-}
-
-void vmx_vcpu_load_vmcs(struct kvm_vcpu *vcpu, int cpu)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-	bool already_loaded = vmx->loaded_vmcs->cpu == cpu;
-
-	if (!already_loaded) {
-		loaded_vmcs_clear(vmx->loaded_vmcs);
-		local_irq_disable();
-		crash_disable_local_vmclear(cpu);
-
-		/*
-		 * Read loaded_vmcs->cpu should be before fetching
-		 * loaded_vmcs->loaded_vmcss_on_cpu_link.
-		 * See the comments in __loaded_vmcs_clear().
-		 */
-		smp_rmb();
-
-		list_add(&vmx->loaded_vmcs->loaded_vmcss_on_cpu_link,
-			 &per_cpu(loaded_vmcss_on_cpu, cpu));
-		crash_enable_local_vmclear(cpu);
-		local_irq_enable();
-	}
-
-	if (per_cpu(current_vmcs, cpu) != vmx->loaded_vmcs->vmcs) {
-		per_cpu(current_vmcs, cpu) = vmx->loaded_vmcs->vmcs;
-		vmcs_load(vmx->loaded_vmcs->vmcs);
-		indirect_branch_prediction_barrier();
-	}
-
-	if (!already_loaded) {
-		void *gdt = get_current_gdt_ro();
-		unsigned long sysenter_esp;
-
-		kvm_make_request(KVM_REQ_TLB_FLUSH, vcpu);
-
-		/*
-		 * Linux uses per-cpu TSS and GDT, so set these when switching
-		 * processors.  See 22.2.4.
-		 */
-		vmcs_writel(HOST_TR_BASE,
-			    (unsigned long)&get_cpu_entry_area(cpu)->tss.x86_tss);
-		vmcs_writel(HOST_GDTR_BASE, (unsigned long)gdt);   /* 22.2.4 */
-
-		rdmsrl(MSR_IA32_SYSENTER_ESP, sysenter_esp);
-		vmcs_writel(HOST_IA32_SYSENTER_ESP, sysenter_esp); /* 22.2.3 */
-
-		vmx->loaded_vmcs->cpu = cpu;
-	}
-
-	/* Setup TSC multiplier */
-	if (kvm_has_tsc_control &&
-	    vmx->current_tsc_ratio != vcpu->arch.tsc_scaling_ratio)
-		decache_tsc_multiplier(vmx);
-}
-
-/*
- * Switches to specified vcpu, until a matching vcpu_put(), but assumes
- * vcpu mutex is already taken.
- */
-void vmx_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-
-	vmx_vcpu_load_vmcs(vcpu, cpu);
-
-	vmx_vcpu_pi_load(vcpu, cpu);
-
-	vmx->host_pkru = read_pkru();
-	vmx->host_debugctlmsr = get_debugctlmsr();
-}
-
-static void vmx_vcpu_pi_put(struct kvm_vcpu *vcpu)
-{
-	struct pi_desc *pi_desc = vcpu_to_pi_desc(vcpu);
-
-	if (!kvm_arch_has_assigned_device(vcpu->kvm) ||
-		!irq_remapping_cap(IRQ_POSTING_CAP)  ||
-		!kvm_vcpu_apicv_active(vcpu))
-		return;
-
-	/* Set SN when the vCPU is preempted */
-	if (vcpu->preempted)
-		pi_set_sn(pi_desc);
-}
-
-static void vmx_vcpu_put(struct kvm_vcpu *vcpu)
-{
-	vmx_vcpu_pi_put(vcpu);
-
-	vmx_prepare_switch_to_host(to_vmx(vcpu));
-}
-
-static bool emulation_required(struct kvm_vcpu *vcpu)
-{
-	return emulate_invalid_guest_state && !guest_state_valid(vcpu);
-}
-
-static void vmx_decache_cr0_guest_bits(struct kvm_vcpu *vcpu);
-
-unsigned long vmx_get_rflags(struct kvm_vcpu *vcpu)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-	unsigned long rflags, save_rflags;
-
-	if (!kvm_register_is_available(vcpu, VCPU_EXREG_RFLAGS)) {
-		kvm_register_mark_available(vcpu, VCPU_EXREG_RFLAGS);
-		rflags = vmcs_readl(GUEST_RFLAGS);
-		if (vmx->rmode.vm86_active) {
-			rflags &= RMODE_GUEST_OWNED_EFLAGS_BITS;
-			save_rflags = vmx->rmode.save_rflags;
-			rflags |= save_rflags & ~RMODE_GUEST_OWNED_EFLAGS_BITS;
-		}
-		vmx->rflags = rflags;
-	}
-	return vmx->rflags;
-}
-
-void vmx_set_rflags(struct kvm_vcpu *vcpu, unsigned long rflags)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-	unsigned long old_rflags;
-
-	if (enable_unrestricted_guest) {
-		kvm_register_mark_available(vcpu, VCPU_EXREG_RFLAGS);
-		vmx->rflags = rflags;
-		vmcs_writel(GUEST_RFLAGS, rflags);
-		return;
-	}
-
-	old_rflags = vmx_get_rflags(vcpu);
-	vmx->rflags = rflags;
-	if (vmx->rmode.vm86_active) {
-		vmx->rmode.save_rflags = rflags;
-		rflags |= X86_EFLAGS_IOPL | X86_EFLAGS_VM;
-	}
-	vmcs_writel(GUEST_RFLAGS, rflags);
-
-	if ((old_rflags ^ vmx->rflags) & X86_EFLAGS_VM)
-		vmx->emulation_required = emulation_required(vcpu);
-}
-
-u32 vmx_get_interrupt_shadow(struct kvm_vcpu *vcpu)
-{
-	u32 interruptibility = vmcs_read32(GUEST_INTERRUPTIBILITY_INFO);
-	int ret = 0;
-
-	if (interruptibility & GUEST_INTR_STATE_STI)
-		ret |= KVM_X86_SHADOW_INT_STI;
-	if (interruptibility & GUEST_INTR_STATE_MOV_SS)
-		ret |= KVM_X86_SHADOW_INT_MOV_SS;
-
-	return ret;
-}
-
-void vmx_set_interrupt_shadow(struct kvm_vcpu *vcpu, int mask)
-{
-	u32 interruptibility_old = vmcs_read32(GUEST_INTERRUPTIBILITY_INFO);
-	u32 interruptibility = interruptibility_old;
-
-	interruptibility &= ~(GUEST_INTR_STATE_STI | GUEST_INTR_STATE_MOV_SS);
-
-	if (mask & KVM_X86_SHADOW_INT_MOV_SS)
-		interruptibility |= GUEST_INTR_STATE_MOV_SS;
-	else if (mask & KVM_X86_SHADOW_INT_STI)
-		interruptibility |= GUEST_INTR_STATE_STI;
-
-	if ((interruptibility != interruptibility_old))
-		vmcs_write32(GUEST_INTERRUPTIBILITY_INFO, interruptibility);
-}
-
-static int vmx_rtit_ctl_check(struct kvm_vcpu *vcpu, u64 data)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-	unsigned long value;
-
-	/*
-	 * Any MSR write that attempts to change bits marked reserved will
-	 * case a #GP fault.
-	 */
-	if (data & vmx->pt_desc.ctl_bitmask)
-		return 1;
-
-	/*
-	 * Any attempt to modify IA32_RTIT_CTL while TraceEn is set will
-	 * result in a #GP unless the same write also clears TraceEn.
-	 */
-	if ((vmx->pt_desc.guest.ctl & RTIT_CTL_TRACEEN) &&
-		((vmx->pt_desc.guest.ctl ^ data) & ~RTIT_CTL_TRACEEN))
-		return 1;
-
-	/*
-	 * WRMSR to IA32_RTIT_CTL that sets TraceEn but clears this bit
-	 * and FabricEn would cause #GP, if
-	 * CPUID.(EAX=14H, ECX=0):ECX.SNGLRGNOUT[bit 2] = 0
-	 */
-	if ((data & RTIT_CTL_TRACEEN) && !(data & RTIT_CTL_TOPA) &&
-		!(data & RTIT_CTL_FABRIC_EN) &&
-		!intel_pt_validate_cap(vmx->pt_desc.caps,
-					PT_CAP_single_range_output))
-		return 1;
-
-	/*
-	 * MTCFreq, CycThresh and PSBFreq encodings check, any MSR write that
-	 * utilize encodings marked reserved will casue a #GP fault.
-	 */
-	value = intel_pt_validate_cap(vmx->pt_desc.caps, PT_CAP_mtc_periods);
-	if (intel_pt_validate_cap(vmx->pt_desc.caps, PT_CAP_mtc) &&
-			!test_bit((data & RTIT_CTL_MTC_RANGE) >>
-			RTIT_CTL_MTC_RANGE_OFFSET, &value))
-		return 1;
-	value = intel_pt_validate_cap(vmx->pt_desc.caps,
-						PT_CAP_cycle_thresholds);
-	if (intel_pt_validate_cap(vmx->pt_desc.caps, PT_CAP_psb_cyc) &&
-			!test_bit((data & RTIT_CTL_CYC_THRESH) >>
-			RTIT_CTL_CYC_THRESH_OFFSET, &value))
-		return 1;
-	value = intel_pt_validate_cap(vmx->pt_desc.caps, PT_CAP_psb_periods);
-	if (intel_pt_validate_cap(vmx->pt_desc.caps, PT_CAP_psb_cyc) &&
-			!test_bit((data & RTIT_CTL_PSB_FREQ) >>
-			RTIT_CTL_PSB_FREQ_OFFSET, &value))
-		return 1;
-
-	/*
-	 * If ADDRx_CFG is reserved or the encodings is >2 will
-	 * cause a #GP fault.
-	 */
-	value = (data & RTIT_CTL_ADDR0) >> RTIT_CTL_ADDR0_OFFSET;
-	if ((value && (vmx->pt_desc.addr_range < 1)) || (value > 2))
-		return 1;
-	value = (data & RTIT_CTL_ADDR1) >> RTIT_CTL_ADDR1_OFFSET;
-	if ((value && (vmx->pt_desc.addr_range < 2)) || (value > 2))
-		return 1;
-	value = (data & RTIT_CTL_ADDR2) >> RTIT_CTL_ADDR2_OFFSET;
-	if ((value && (vmx->pt_desc.addr_range < 3)) || (value > 2))
-		return 1;
-	value = (data & RTIT_CTL_ADDR3) >> RTIT_CTL_ADDR3_OFFSET;
-	if ((value && (vmx->pt_desc.addr_range < 4)) || (value > 2))
-		return 1;
-
-	return 0;
-}
-
-static int skip_emulated_instruction(struct kvm_vcpu *vcpu)
-{
-	unsigned long rip;
-
-	/*
-	 * Using VMCS.VM_EXIT_INSTRUCTION_LEN on EPT misconfig depends on
-	 * undefined behavior: Intel's SDM doesn't mandate the VMCS field be
-	 * set when EPT misconfig occurs.  In practice, real hardware updates
-	 * VM_EXIT_INSTRUCTION_LEN on EPT misconfig, but other hypervisors
-	 * (namely Hyper-V) don't set it due to it being undefined behavior,
-	 * i.e. we end up advancing IP with some random value.
-	 */
-	if (!static_cpu_has(X86_FEATURE_HYPERVISOR) ||
-	    to_vmx(vcpu)->exit_reason != EXIT_REASON_EPT_MISCONFIG) {
-		rip = kvm_rip_read(vcpu);
-		rip += vmcs_read32(VM_EXIT_INSTRUCTION_LEN);
-		kvm_rip_write(vcpu, rip);
-	} else {
-		if (!kvm_emulate_instruction(vcpu, EMULTYPE_SKIP))
-			return 0;
-	}
-
-	/* skipping an emulated instruction also counts */
-	vmx_set_interrupt_shadow(vcpu, 0);
-
-	return 1;
-}
-
-static void vmx_clear_hlt(struct kvm_vcpu *vcpu)
-{
-	/*
-	 * Ensure that we clear the HLT state in the VMCS.  We don't need to
-	 * explicitly skip the instruction because if the HLT state is set,
-	 * then the instruction is already executing and RIP has already been
-	 * advanced.
-	 */
-	if (kvm_hlt_in_guest(vcpu->kvm) &&
-			vmcs_read32(GUEST_ACTIVITY_STATE) == GUEST_ACTIVITY_HLT)
-		vmcs_write32(GUEST_ACTIVITY_STATE, GUEST_ACTIVITY_ACTIVE);
-}
-
-static void vmx_queue_exception(struct kvm_vcpu *vcpu)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-	unsigned nr = vcpu->arch.exception.nr;
-	bool has_error_code = vcpu->arch.exception.has_error_code;
-	u32 error_code = vcpu->arch.exception.error_code;
-	u32 intr_info = nr | INTR_INFO_VALID_MASK;
-
-	kvm_deliver_exception_payload(vcpu);
-
-	if (has_error_code) {
-		vmcs_write32(VM_ENTRY_EXCEPTION_ERROR_CODE, error_code);
-		intr_info |= INTR_INFO_DELIVER_CODE_MASK;
-	}
-
-	if (vmx->rmode.vm86_active) {
-		int inc_eip = 0;
-		if (kvm_exception_is_soft(nr))
-			inc_eip = vcpu->arch.event_exit_inst_len;
-		kvm_inject_realmode_interrupt(vcpu, nr, inc_eip);
-		return;
-	}
-
-	WARN_ON_ONCE(vmx->emulation_required);
-
-	if (kvm_exception_is_soft(nr)) {
-		vmcs_write32(VM_ENTRY_INSTRUCTION_LEN,
-			     vmx->vcpu.arch.event_exit_inst_len);
-		intr_info |= INTR_TYPE_SOFT_EXCEPTION;
-	} else
-		intr_info |= INTR_TYPE_HARD_EXCEPTION;
-
-	vmcs_write32(VM_ENTRY_INTR_INFO_FIELD, intr_info);
-
-	vmx_clear_hlt(vcpu);
-}
-
-static bool vmx_rdtscp_supported(void)
-{
-	return cpu_has_vmx_rdtscp();
-}
-
-static bool vmx_invpcid_supported(void)
-{
-	return cpu_has_vmx_invpcid();
-}
-
-/*
- * Swap MSR entry in host/guest MSR entry array.
- */
-static void move_msr_up(struct vcpu_vmx *vmx, int from, int to)
-{
-	struct shared_msr_entry tmp;
-
-	tmp = vmx->guest_msrs[to];
-	vmx->guest_msrs[to] = vmx->guest_msrs[from];
-	vmx->guest_msrs[from] = tmp;
-}
-
-/*
- * Set up the vmcs to automatically save and restore system
- * msrs.  Don't touch the 64-bit msrs if the guest is in legacy
- * mode, as fiddling with msrs is very expensive.
- */
-static void setup_msrs(struct vcpu_vmx *vmx)
-{
-	int save_nmsrs, index;
-
-	save_nmsrs = 0;
-#ifdef CONFIG_X86_64
-	/*
-	 * The SYSCALL MSRs are only needed on long mode guests, and only
-	 * when EFER.SCE is set.
-	 */
-	if (is_long_mode(&vmx->vcpu) && (vmx->vcpu.arch.efer & EFER_SCE)) {
-		index = __find_msr_index(vmx, MSR_STAR);
-		if (index >= 0)
-			move_msr_up(vmx, index, save_nmsrs++);
-		index = __find_msr_index(vmx, MSR_LSTAR);
-		if (index >= 0)
-			move_msr_up(vmx, index, save_nmsrs++);
-		index = __find_msr_index(vmx, MSR_SYSCALL_MASK);
-		if (index >= 0)
-			move_msr_up(vmx, index, save_nmsrs++);
-	}
-#endif
-	index = __find_msr_index(vmx, MSR_EFER);
-	if (index >= 0 && update_transition_efer(vmx, index))
-		move_msr_up(vmx, index, save_nmsrs++);
-	index = __find_msr_index(vmx, MSR_TSC_AUX);
-	if (index >= 0 && guest_cpuid_has(&vmx->vcpu, X86_FEATURE_RDTSCP))
-		move_msr_up(vmx, index, save_nmsrs++);
-	index = __find_msr_index(vmx, MSR_IA32_TSX_CTRL);
-	if (index >= 0)
-		move_msr_up(vmx, index, save_nmsrs++);
-
-	vmx->save_nmsrs = save_nmsrs;
-	vmx->guest_msrs_ready = false;
-
-	if (cpu_has_vmx_msr_bitmap())
-		vmx_update_msr_bitmap(&vmx->vcpu);
-}
-
-static u64 vmx_read_l1_tsc_offset(struct kvm_vcpu *vcpu)
-{
-	struct vmcs12 *vmcs12 = get_vmcs12(vcpu);
-
-	if (is_guest_mode(vcpu) &&
-	    (vmcs12->cpu_based_vm_exec_control & CPU_BASED_USE_TSC_OFFSETTING))
-		return vcpu->arch.tsc_offset - vmcs12->tsc_offset;
-
-	return vcpu->arch.tsc_offset;
-}
-
-static u64 vmx_write_l1_tsc_offset(struct kvm_vcpu *vcpu, u64 offset)
-{
-	struct vmcs12 *vmcs12 = get_vmcs12(vcpu);
-	u64 g_tsc_offset = 0;
-
-	/*
-	 * We're here if L1 chose not to trap WRMSR to TSC. According
-	 * to the spec, this should set L1's TSC; The offset that L1
-	 * set for L2 remains unchanged, and still needs to be added
-	 * to the newly set TSC to get L2's TSC.
-	 */
-	if (is_guest_mode(vcpu) &&
-	    (vmcs12->cpu_based_vm_exec_control & CPU_BASED_USE_TSC_OFFSETTING))
-		g_tsc_offset = vmcs12->tsc_offset;
-
-	trace_kvm_write_tsc_offset(vcpu->vcpu_id,
-				   vcpu->arch.tsc_offset - g_tsc_offset,
-				   offset);
-	vmcs_write64(TSC_OFFSET, offset + g_tsc_offset);
-	return offset + g_tsc_offset;
-}
-
-/*
- * nested_vmx_allowed() checks whether a guest should be allowed to use VMX
- * instructions and MSRs (i.e., nested VMX). Nested VMX is disabled for
- * all guests if the "nested" module option is off, and can also be disabled
- * for a single guest by disabling its VMX cpuid bit.
- */
-bool nested_vmx_allowed(struct kvm_vcpu *vcpu)
-{
-	return nested && guest_cpuid_has(vcpu, X86_FEATURE_VMX);
-}
-
-static inline bool vmx_feature_control_msr_valid(struct kvm_vcpu *vcpu,
-						 uint64_t val)
-{
-	uint64_t valid_bits = to_vmx(vcpu)->msr_ia32_feature_control_valid_bits;
-
-	return !(val & ~valid_bits);
-}
-
-static int vmx_get_msr_feature(struct kvm_msr_entry *msr)
-{
-	switch (msr->index) {
-	case MSR_IA32_VMX_BASIC ... MSR_IA32_VMX_VMFUNC:
-		if (!nested)
-			return 1;
-		return vmx_get_vmx_msr(&vmcs_config.nested, msr->index, &msr->data);
-	default:
-		return 1;
-	}
-}
-
-/*
- * Reads an msr value (of 'msr_index') into 'pdata'.
- * Returns 0 on success, non-0 otherwise.
- * Assumes vcpu_load() was already called.
- */
-static int vmx_get_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-	struct shared_msr_entry *msr;
-	u32 index;
-
-	switch (msr_info->index) {
-#ifdef CONFIG_X86_64
-	case MSR_FS_BASE:
-		msr_info->data = vmcs_readl(GUEST_FS_BASE);
-		break;
-	case MSR_GS_BASE:
-		msr_info->data = vmcs_readl(GUEST_GS_BASE);
-		break;
-	case MSR_KERNEL_GS_BASE:
-		msr_info->data = vmx_read_guest_kernel_gs_base(vmx);
-		break;
-#endif
-	case MSR_EFER:
-		return kvm_get_msr_common(vcpu, msr_info);
-	case MSR_IA32_TSX_CTRL:
-		if (!msr_info->host_initiated &&
-		    !(vcpu->arch.arch_capabilities & ARCH_CAP_TSX_CTRL_MSR))
-			return 1;
-		goto find_shared_msr;
-	case MSR_IA32_UMWAIT_CONTROL:
-		if (!msr_info->host_initiated && !vmx_has_waitpkg(vmx))
-			return 1;
-
-		msr_info->data = vmx->msr_ia32_umwait_control;
-		break;
-	case MSR_IA32_SPEC_CTRL:
-		if (!msr_info->host_initiated &&
-		    !guest_cpuid_has(vcpu, X86_FEATURE_SPEC_CTRL))
-			return 1;
-
-		msr_info->data = to_vmx(vcpu)->spec_ctrl;
-		break;
-	case MSR_IA32_SYSENTER_CS:
-		msr_info->data = vmcs_read32(GUEST_SYSENTER_CS);
-		break;
-	case MSR_IA32_SYSENTER_EIP:
-		msr_info->data = vmcs_readl(GUEST_SYSENTER_EIP);
-		break;
-	case MSR_IA32_SYSENTER_ESP:
-		msr_info->data = vmcs_readl(GUEST_SYSENTER_ESP);
-		break;
-	case MSR_IA32_BNDCFGS:
-		if (!kvm_mpx_supported() ||
-		    (!msr_info->host_initiated &&
-		     !guest_cpuid_has(vcpu, X86_FEATURE_MPX)))
-			return 1;
-		msr_info->data = vmcs_read64(GUEST_BNDCFGS);
-		break;
-	case MSR_IA32_MCG_EXT_CTL:
-		if (!msr_info->host_initiated &&
-		    !(vmx->msr_ia32_feature_control &
-		      FEATURE_CONTROL_LMCE))
-			return 1;
-		msr_info->data = vcpu->arch.mcg_ext_ctl;
-		break;
-	case MSR_IA32_FEATURE_CONTROL:
-		msr_info->data = vmx->msr_ia32_feature_control;
-		break;
-	case MSR_IA32_VMX_BASIC ... MSR_IA32_VMX_VMFUNC:
-		if (!nested_vmx_allowed(vcpu))
-			return 1;
-		return vmx_get_vmx_msr(&vmx->nested.msrs, msr_info->index,
-				       &msr_info->data);
-	case MSR_IA32_RTIT_CTL:
-		if (pt_mode != PT_MODE_HOST_GUEST)
-			return 1;
-		msr_info->data = vmx->pt_desc.guest.ctl;
-		break;
-	case MSR_IA32_RTIT_STATUS:
-		if (pt_mode != PT_MODE_HOST_GUEST)
-			return 1;
-		msr_info->data = vmx->pt_desc.guest.status;
-		break;
-	case MSR_IA32_RTIT_CR3_MATCH:
-		if ((pt_mode != PT_MODE_HOST_GUEST) ||
-			!intel_pt_validate_cap(vmx->pt_desc.caps,
-						PT_CAP_cr3_filtering))
-			return 1;
-		msr_info->data = vmx->pt_desc.guest.cr3_match;
-		break;
-	case MSR_IA32_RTIT_OUTPUT_BASE:
-		if ((pt_mode != PT_MODE_HOST_GUEST) ||
-			(!intel_pt_validate_cap(vmx->pt_desc.caps,
-					PT_CAP_topa_output) &&
-			 !intel_pt_validate_cap(vmx->pt_desc.caps,
-					PT_CAP_single_range_output)))
-			return 1;
-		msr_info->data = vmx->pt_desc.guest.output_base;
-		break;
-	case MSR_IA32_RTIT_OUTPUT_MASK:
-		if ((pt_mode != PT_MODE_HOST_GUEST) ||
-			(!intel_pt_validate_cap(vmx->pt_desc.caps,
-					PT_CAP_topa_output) &&
-			 !intel_pt_validate_cap(vmx->pt_desc.caps,
-					PT_CAP_single_range_output)))
-			return 1;
-		msr_info->data = vmx->pt_desc.guest.output_mask;
-		break;
-	case MSR_IA32_RTIT_ADDR0_A ... MSR_IA32_RTIT_ADDR3_B:
-		index = msr_info->index - MSR_IA32_RTIT_ADDR0_A;
-		if ((pt_mode != PT_MODE_HOST_GUEST) ||
-			(index >= 2 * intel_pt_validate_cap(vmx->pt_desc.caps,
-					PT_CAP_num_address_ranges)))
-			return 1;
-		if (is_noncanonical_address(data, vcpu))
-			return 1;
-		if (index % 2)
-			msr_info->data = vmx->pt_desc.guest.addr_b[index / 2];
-		else
-			msr_info->data = vmx->pt_desc.guest.addr_a[index / 2];
-		break;
-	case MSR_TSC_AUX:
-		if (!msr_info->host_initiated &&
-		    !guest_cpuid_has(vcpu, X86_FEATURE_RDTSCP))
-			return 1;
-		goto find_shared_msr;
-	default:
-	find_shared_msr:
-		msr = find_msr_entry(vmx, msr_info->index);
-		if (msr) {
-			msr_info->data = msr->data;
-			break;
-		}
-		return kvm_get_msr_common(vcpu, msr_info);
-	}
-
-	return 0;
-}
-
-/*
- * Writes msr value into the appropriate "register".
- * Returns 0 on success, non-0 otherwise.
- * Assumes vcpu_load() was already called.
- */
-static int vmx_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-	struct shared_msr_entry *msr;
-	int ret = 0;
-	u32 msr_index = msr_info->index;
-	u64 data = msr_info->data;
-	u32 index;
-
-	switch (msr_index) {
-	case MSR_EFER:
-		ret = kvm_set_msr_common(vcpu, msr_info);
-		break;
-#ifdef CONFIG_X86_64
-	case MSR_FS_BASE:
-		vmx_segment_cache_clear(vmx);
-		vmcs_writel(GUEST_FS_BASE, data);
-		break;
-	case MSR_GS_BASE:
-		vmx_segment_cache_clear(vmx);
-		vmcs_writel(GUEST_GS_BASE, data);
-		break;
-	case MSR_KERNEL_GS_BASE:
-		vmx_write_guest_kernel_gs_base(vmx, data);
-		break;
-#endif
-	case MSR_IA32_SYSENTER_CS:
-		if (is_guest_mode(vcpu))
-			get_vmcs12(vcpu)->guest_sysenter_cs = data;
-		vmcs_write32(GUEST_SYSENTER_CS, data);
-		break;
-	case MSR_IA32_SYSENTER_EIP:
-		if (is_guest_mode(vcpu))
-			get_vmcs12(vcpu)->guest_sysenter_eip = data;
-		vmcs_writel(GUEST_SYSENTER_EIP, data);
-		break;
-	case MSR_IA32_SYSENTER_ESP:
-		if (is_guest_mode(vcpu))
-			get_vmcs12(vcpu)->guest_sysenter_esp = data;
-		vmcs_writel(GUEST_SYSENTER_ESP, data);
-		break;
-	case MSR_IA32_DEBUGCTLMSR:
-		if (is_guest_mode(vcpu) && get_vmcs12(vcpu)->vm_exit_controls &
-						VM_EXIT_SAVE_DEBUG_CONTROLS)
-			get_vmcs12(vcpu)->guest_ia32_debugctl = data;
-
-		ret = kvm_set_msr_common(vcpu, msr_info);
-		break;
-
-	case MSR_IA32_BNDCFGS:
-		if (!kvm_mpx_supported() ||
-		    (!msr_info->host_initiated &&
-		     !guest_cpuid_has(vcpu, X86_FEATURE_MPX)))
-			return 1;
-		if (is_noncanonical_address(data & PAGE_MASK, vcpu) ||
-		    (data & MSR_IA32_BNDCFGS_RSVD))
-			return 1;
-		vmcs_write64(GUEST_BNDCFGS, data);
-		break;
-	case MSR_IA32_UMWAIT_CONTROL:
-		if (!msr_info->host_initiated && !vmx_has_waitpkg(vmx))
-			return 1;
-
-		/* The reserved bit 1 and non-32 bit [63:32] should be zero */
-		if (data & (BIT_ULL(1) | GENMASK_ULL(63, 32)))
-			return 1;
-
-		vmx->msr_ia32_umwait_control = data;
-		break;
-	case MSR_IA32_SPEC_CTRL:
-		if (!msr_info->host_initiated &&
-		    !guest_cpuid_has(vcpu, X86_FEATURE_SPEC_CTRL))
-			return 1;
-
-		/* The STIBP bit doesn't fault even if it's not advertised */
-		if (data & ~(SPEC_CTRL_IBRS | SPEC_CTRL_STIBP | SPEC_CTRL_SSBD))
-			return 1;
-
-		vmx->spec_ctrl = data;
-
-		if (!data)
-			break;
-
-		/*
-		 * For non-nested:
-		 * When it's written (to non-zero) for the first time, pass
-		 * it through.
-		 *
-		 * For nested:
-		 * The handling of the MSR bitmap for L2 guests is done in
-		 * nested_vmx_prepare_msr_bitmap. We should not touch the
-		 * vmcs02.msr_bitmap here since it gets completely overwritten
-		 * in the merging. We update the vmcs01 here for L1 as well
-		 * since it will end up touching the MSR anyway now.
-		 */
-		vmx_disable_intercept_for_msr(vmx->vmcs01.msr_bitmap,
-					      MSR_IA32_SPEC_CTRL,
-					      MSR_TYPE_RW);
-		break;
-	case MSR_IA32_TSX_CTRL:
-		if (!msr_info->host_initiated &&
-		    !(vcpu->arch.arch_capabilities & ARCH_CAP_TSX_CTRL_MSR))
-			return 1;
-		if (data & ~(TSX_CTRL_RTM_DISABLE | TSX_CTRL_CPUID_CLEAR))
-			return 1;
-		goto find_shared_msr;
-	case MSR_IA32_PRED_CMD:
-		if (!msr_info->host_initiated &&
-		    !guest_cpuid_has(vcpu, X86_FEATURE_SPEC_CTRL))
-			return 1;
-
-		if (data & ~PRED_CMD_IBPB)
-			return 1;
-
-		if (!data)
-			break;
-
-		wrmsrl(MSR_IA32_PRED_CMD, PRED_CMD_IBPB);
-
-		/*
-		 * For non-nested:
-		 * When it's written (to non-zero) for the first time, pass
-		 * it through.
-		 *
-		 * For nested:
-		 * The handling of the MSR bitmap for L2 guests is done in
-		 * nested_vmx_prepare_msr_bitmap. We should not touch the
-		 * vmcs02.msr_bitmap here since it gets completely overwritten
-		 * in the merging.
-		 */
-		vmx_disable_intercept_for_msr(vmx->vmcs01.msr_bitmap, MSR_IA32_PRED_CMD,
-					      MSR_TYPE_W);
-		break;
-	case MSR_IA32_CR_PAT:
-		if (!kvm_pat_valid(data))
-			return 1;
-
-		if (is_guest_mode(vcpu) &&
-		    get_vmcs12(vcpu)->vm_exit_controls & VM_EXIT_SAVE_IA32_PAT)
-			get_vmcs12(vcpu)->guest_ia32_pat = data;
-
-		if (vmcs_config.vmentry_ctrl & VM_ENTRY_LOAD_IA32_PAT) {
-			vmcs_write64(GUEST_IA32_PAT, data);
-			vcpu->arch.pat = data;
-			break;
-		}
-		ret = kvm_set_msr_common(vcpu, msr_info);
-		break;
-	case MSR_IA32_TSC_ADJUST:
-		ret = kvm_set_msr_common(vcpu, msr_info);
-		break;
-	case MSR_IA32_MCG_EXT_CTL:
-		if ((!msr_info->host_initiated &&
-		     !(to_vmx(vcpu)->msr_ia32_feature_control &
-		       FEATURE_CONTROL_LMCE)) ||
-		    (data & ~MCG_EXT_CTL_LMCE_EN))
-			return 1;
-		vcpu->arch.mcg_ext_ctl = data;
-		break;
-	case MSR_IA32_FEATURE_CONTROL:
-		if (!vmx_feature_control_msr_valid(vcpu, data) ||
-		    (to_vmx(vcpu)->msr_ia32_feature_control &
-		     FEATURE_CONTROL_LOCKED && !msr_info->host_initiated))
-			return 1;
-		vmx->msr_ia32_feature_control = data;
-		if (msr_info->host_initiated && data == 0)
-			vmx_leave_nested(vcpu);
-		break;
-	case MSR_IA32_VMX_BASIC ... MSR_IA32_VMX_VMFUNC:
-		if (!msr_info->host_initiated)
-			return 1; /* they are read-only */
-		if (!nested_vmx_allowed(vcpu))
-			return 1;
-		return vmx_set_vmx_msr(vcpu, msr_index, data);
-	case MSR_IA32_RTIT_CTL:
-		if ((pt_mode != PT_MODE_HOST_GUEST) ||
-			vmx_rtit_ctl_check(vcpu, data) ||
-			vmx->nested.vmxon)
-			return 1;
-		vmcs_write64(GUEST_IA32_RTIT_CTL, data);
-		vmx->pt_desc.guest.ctl = data;
-		pt_update_intercept_for_msr(vmx);
-		break;
-	case MSR_IA32_RTIT_STATUS:
-		if ((pt_mode != PT_MODE_HOST_GUEST) ||
-			(vmx->pt_desc.guest.ctl & RTIT_CTL_TRACEEN) ||
-			(data & MSR_IA32_RTIT_STATUS_MASK))
-			return 1;
-		vmx->pt_desc.guest.status = data;
-		break;
-	case MSR_IA32_RTIT_CR3_MATCH:
-		if ((pt_mode != PT_MODE_HOST_GUEST) ||
-			(vmx->pt_desc.guest.ctl & RTIT_CTL_TRACEEN) ||
-			!intel_pt_validate_cap(vmx->pt_desc.caps,
-						PT_CAP_cr3_filtering))
-			return 1;
-		vmx->pt_desc.guest.cr3_match = data;
-		break;
-	case MSR_IA32_RTIT_OUTPUT_BASE:
-		if ((pt_mode != PT_MODE_HOST_GUEST) ||
-			(vmx->pt_desc.guest.ctl & RTIT_CTL_TRACEEN) ||
-			(!intel_pt_validate_cap(vmx->pt_desc.caps,
-					PT_CAP_topa_output) &&
-			 !intel_pt_validate_cap(vmx->pt_desc.caps,
-					PT_CAP_single_range_output)) ||
-			(data & MSR_IA32_RTIT_OUTPUT_BASE_MASK))
-			return 1;
-		vmx->pt_desc.guest.output_base = data;
-		break;
-	case MSR_IA32_RTIT_OUTPUT_MASK:
-		if ((pt_mode != PT_MODE_HOST_GUEST) ||
-			(vmx->pt_desc.guest.ctl & RTIT_CTL_TRACEEN) ||
-			(!intel_pt_validate_cap(vmx->pt_desc.caps,
-					PT_CAP_topa_output) &&
-			 !intel_pt_validate_cap(vmx->pt_desc.caps,
-					PT_CAP_single_range_output)))
-			return 1;
-		vmx->pt_desc.guest.output_mask = data;
-		break;
-	case MSR_IA32_RTIT_ADDR0_A ... MSR_IA32_RTIT_ADDR3_B:
-		index = msr_info->index - MSR_IA32_RTIT_ADDR0_A;
-		if ((pt_mode != PT_MODE_HOST_GUEST) ||
-			(vmx->pt_desc.guest.ctl & RTIT_CTL_TRACEEN) ||
-			(index >= 2 * intel_pt_validate_cap(vmx->pt_desc.caps,
-					PT_CAP_num_address_ranges)))
-			return 1;
-		if (is_noncanonical_address(data, vcpu))
-			return 1;
-		if (index % 2)
-			vmx->pt_desc.guest.addr_b[index / 2] = data;
-		else
-			vmx->pt_desc.guest.addr_a[index / 2] = data;
-		break;
-	case MSR_TSC_AUX:
-		if (!msr_info->host_initiated &&
-		    !guest_cpuid_has(vcpu, X86_FEATURE_RDTSCP))
-			return 1;
-		/* Check reserved bit, higher 32 bits should be zero */
-		if ((data >> 32) != 0)
-			return 1;
-		goto find_shared_msr;
-
-	default:
-	find_shared_msr:
-		msr = find_msr_entry(vmx, msr_index);
-		if (msr)
-			ret = vmx_set_guest_msr(vmx, msr, data);
-		else
-			ret = kvm_set_msr_common(vcpu, msr_info);
-	}
-
-	return ret;
-}
-
-static void vmx_cache_reg(struct kvm_vcpu *vcpu, enum kvm_reg reg)
-{
-	kvm_register_mark_available(vcpu, reg);
-
-	switch (reg) {
-	case VCPU_REGS_RSP:
-		vcpu->arch.regs[VCPU_REGS_RSP] = vmcs_readl(GUEST_RSP);
-		break;
-	case VCPU_REGS_RIP:
-		vcpu->arch.regs[VCPU_REGS_RIP] = vmcs_readl(GUEST_RIP);
-		break;
-	case VCPU_EXREG_PDPTR:
-		if (enable_ept)
-			ept_save_pdptrs(vcpu);
-		break;
-	case VCPU_EXREG_CR3:
-		if (enable_unrestricted_guest || (enable_ept && is_paging(vcpu)))
-			vcpu->arch.cr3 = vmcs_readl(GUEST_CR3);
-		break;
-	default:
-		WARN_ON_ONCE(1);
-		break;
-	}
-}
-
-static __init int cpu_has_kvm_support(void)
-{
-	return cpu_has_vmx();
-}
-
-static __init int vmx_disabled_by_bios(void)
-{
-	u64 msr;
-
-	rdmsrl(MSR_IA32_FEATURE_CONTROL, msr);
-	if (msr & FEATURE_CONTROL_LOCKED) {
-		/* launched w/ TXT and VMX disabled */
-		if (!(msr & FEATURE_CONTROL_VMXON_ENABLED_INSIDE_SMX)
-			&& tboot_enabled())
-			return 1;
-		/* launched w/o TXT and VMX only enabled w/ TXT */
-		if (!(msr & FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX)
-			&& (msr & FEATURE_CONTROL_VMXON_ENABLED_INSIDE_SMX)
-			&& !tboot_enabled()) {
-			printk(KERN_WARNING "kvm: disable TXT in the BIOS or "
-				"activate TXT before enabling KVM\n");
-			return 1;
-		}
-		/* launched w/o TXT and VMX disabled */
-		if (!(msr & FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX)
-			&& !tboot_enabled())
-			return 1;
-	}
-
-	return 0;
-}
-
-static void kvm_cpu_vmxon(u64 addr)
-{
-	cr4_set_bits(X86_CR4_VMXE);
-	intel_pt_handle_vmx(1);
-
-	asm volatile ("vmxon %0" : : "m"(addr));
-}
-
-static int hardware_enable(void)
-{
-	int cpu = raw_smp_processor_id();
-	u64 phys_addr = __pa(per_cpu(vmxarea, cpu));
-	u64 old, test_bits;
-
-	if (cr4_read_shadow() & X86_CR4_VMXE)
-		return -EBUSY;
-
-	/*
-	 * This can happen if we hot-added a CPU but failed to allocate
-	 * VP assist page for it.
-	 */
-	if (static_branch_unlikely(&enable_evmcs) &&
-	    !hv_get_vp_assist_page(cpu))
-		return -EFAULT;
-
-	INIT_LIST_HEAD(&per_cpu(loaded_vmcss_on_cpu, cpu));
-	INIT_LIST_HEAD(&per_cpu(blocked_vcpu_on_cpu, cpu));
-	spin_lock_init(&per_cpu(blocked_vcpu_on_cpu_lock, cpu));
-
-	/*
-	 * Now we can enable the vmclear operation in kdump
-	 * since the loaded_vmcss_on_cpu list on this cpu
-	 * has been initialized.
-	 *
-	 * Though the cpu is not in VMX operation now, there
-	 * is no problem to enable the vmclear operation
-	 * for the loaded_vmcss_on_cpu list is empty!
-	 */
-	crash_enable_local_vmclear(cpu);
-
-	rdmsrl(MSR_IA32_FEATURE_CONTROL, old);
-
-	test_bits = FEATURE_CONTROL_LOCKED;
-	test_bits |= FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX;
-	if (tboot_enabled())
-		test_bits |= FEATURE_CONTROL_VMXON_ENABLED_INSIDE_SMX;
-
-	if ((old & test_bits) != test_bits) {
-		/* enable and lock */
-		wrmsrl(MSR_IA32_FEATURE_CONTROL, old | test_bits);
-	}
-	kvm_cpu_vmxon(phys_addr);
-	if (enable_ept)
-		ept_sync_global();
-
-	return 0;
-}
-
-static void vmclear_local_loaded_vmcss(void)
-{
-	int cpu = raw_smp_processor_id();
-	struct loaded_vmcs *v, *n;
-
-	list_for_each_entry_safe(v, n, &per_cpu(loaded_vmcss_on_cpu, cpu),
-				 loaded_vmcss_on_cpu_link)
-		__loaded_vmcs_clear(v);
-}
-
-
-/* Just like cpu_vmxoff(), but with the __kvm_handle_fault_on_reboot()
- * tricks.
- */
-static void kvm_cpu_vmxoff(void)
-{
-	asm volatile (__ex("vmxoff"));
-
-	intel_pt_handle_vmx(0);
-	cr4_clear_bits(X86_CR4_VMXE);
-}
-
-static void hardware_disable(void)
-{
-	vmclear_local_loaded_vmcss();
-	kvm_cpu_vmxoff();
-}
-
-static __init int adjust_vmx_controls(u32 ctl_min, u32 ctl_opt,
-				      u32 msr, u32 *result)
-{
-	u32 vmx_msr_low, vmx_msr_high;
-	u32 ctl = ctl_min | ctl_opt;
-
-	rdmsr(msr, vmx_msr_low, vmx_msr_high);
-
-	ctl &= vmx_msr_high; /* bit == 0 in high word ==> must be zero */
-	ctl |= vmx_msr_low;  /* bit == 1 in low word  ==> must be one  */
-
-	/* Ensure minimum (required) set of control bits are supported. */
-	if (ctl_min & ~ctl)
-		return -EIO;
-
-	*result = ctl;
-	return 0;
-}
-
-static __init int setup_vmcs_config(struct vmcs_config *vmcs_conf,
-				    struct vmx_capability *vmx_cap)
-{
-	u32 vmx_msr_low, vmx_msr_high;
-	u32 min, opt, min2, opt2;
-	u32 _pin_based_exec_control = 0;
-	u32 _cpu_based_exec_control = 0;
-	u32 _cpu_based_2nd_exec_control = 0;
-	u32 _vmexit_control = 0;
-	u32 _vmentry_control = 0;
-
-	memset(vmcs_conf, 0, sizeof(*vmcs_conf));
-	min = CPU_BASED_HLT_EXITING |
-#ifdef CONFIG_X86_64
-	      CPU_BASED_CR8_LOAD_EXITING |
-	      CPU_BASED_CR8_STORE_EXITING |
-#endif
-	      CPU_BASED_CR3_LOAD_EXITING |
-	      CPU_BASED_CR3_STORE_EXITING |
-	      CPU_BASED_UNCOND_IO_EXITING |
-	      CPU_BASED_MOV_DR_EXITING |
-	      CPU_BASED_USE_TSC_OFFSETTING |
-	      CPU_BASED_MWAIT_EXITING |
-	      CPU_BASED_MONITOR_EXITING |
-	      CPU_BASED_INVLPG_EXITING |
-	      CPU_BASED_RDPMC_EXITING;
-
-	opt = CPU_BASED_TPR_SHADOW |
-	      CPU_BASED_USE_MSR_BITMAPS |
-	      CPU_BASED_ACTIVATE_SECONDARY_CONTROLS;
-	if (adjust_vmx_controls(min, opt, MSR_IA32_VMX_PROCBASED_CTLS,
-				&_cpu_based_exec_control) < 0)
-		return -EIO;
-#ifdef CONFIG_X86_64
-	if ((_cpu_based_exec_control & CPU_BASED_TPR_SHADOW))
-		_cpu_based_exec_control &= ~CPU_BASED_CR8_LOAD_EXITING &
-					   ~CPU_BASED_CR8_STORE_EXITING;
-#endif
-	if (_cpu_based_exec_control & CPU_BASED_ACTIVATE_SECONDARY_CONTROLS) {
-		min2 = 0;
-		opt2 = SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES |
-			SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE |
-			SECONDARY_EXEC_WBINVD_EXITING |
-			SECONDARY_EXEC_ENABLE_VPID |
-			SECONDARY_EXEC_ENABLE_EPT |
-			SECONDARY_EXEC_UNRESTRICTED_GUEST |
-			SECONDARY_EXEC_PAUSE_LOOP_EXITING |
-			SECONDARY_EXEC_DESC |
-			SECONDARY_EXEC_RDTSCP |
-			SECONDARY_EXEC_ENABLE_INVPCID |
-			SECONDARY_EXEC_APIC_REGISTER_VIRT |
-			SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY |
-			SECONDARY_EXEC_SHADOW_VMCS |
-			SECONDARY_EXEC_XSAVES |
-			SECONDARY_EXEC_RDSEED_EXITING |
-			SECONDARY_EXEC_RDRAND_EXITING |
-			SECONDARY_EXEC_ENABLE_PML |
-			SECONDARY_EXEC_TSC_SCALING |
-			SECONDARY_EXEC_ENABLE_USR_WAIT_PAUSE |
-			SECONDARY_EXEC_PT_USE_GPA |
-			SECONDARY_EXEC_PT_CONCEAL_VMX |
-			SECONDARY_EXEC_ENABLE_VMFUNC |
-			SECONDARY_EXEC_ENCLS_EXITING;
-		if (adjust_vmx_controls(min2, opt2,
-					MSR_IA32_VMX_PROCBASED_CTLS2,
-					&_cpu_based_2nd_exec_control) < 0)
-			return -EIO;
-	}
-#ifndef CONFIG_X86_64
-	if (!(_cpu_based_2nd_exec_control &
-				SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES))
-		_cpu_based_exec_control &= ~CPU_BASED_TPR_SHADOW;
-#endif
-
-	if (!(_cpu_based_exec_control & CPU_BASED_TPR_SHADOW))
-		_cpu_based_2nd_exec_control &= ~(
-				SECONDARY_EXEC_APIC_REGISTER_VIRT |
-				SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE |
-				SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY);
-
-	rdmsr_safe(MSR_IA32_VMX_EPT_VPID_CAP,
-		&vmx_cap->ept, &vmx_cap->vpid);
-
-	if (_cpu_based_2nd_exec_control & SECONDARY_EXEC_ENABLE_EPT) {
-		/* CR3 accesses and invlpg don't need to cause VM Exits when EPT
-		   enabled */
-		_cpu_based_exec_control &= ~(CPU_BASED_CR3_LOAD_EXITING |
-					     CPU_BASED_CR3_STORE_EXITING |
-					     CPU_BASED_INVLPG_EXITING);
-	} else if (vmx_cap->ept) {
-		vmx_cap->ept = 0;
-		pr_warn_once("EPT CAP should not exist if not support "
-				"1-setting enable EPT VM-execution control\n");
-	}
-	if (!(_cpu_based_2nd_exec_control & SECONDARY_EXEC_ENABLE_VPID) &&
-		vmx_cap->vpid) {
-		vmx_cap->vpid = 0;
-		pr_warn_once("VPID CAP should not exist if not support "
-				"1-setting enable VPID VM-execution control\n");
-	}
-
-	min = VM_EXIT_SAVE_DEBUG_CONTROLS | VM_EXIT_ACK_INTR_ON_EXIT;
-#ifdef CONFIG_X86_64
-	min |= VM_EXIT_HOST_ADDR_SPACE_SIZE;
-#endif
-	opt = VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL |
-	      VM_EXIT_LOAD_IA32_PAT |
-	      VM_EXIT_LOAD_IA32_EFER |
-	      VM_EXIT_CLEAR_BNDCFGS |
-	      VM_EXIT_PT_CONCEAL_PIP |
-	      VM_EXIT_CLEAR_IA32_RTIT_CTL;
-	if (adjust_vmx_controls(min, opt, MSR_IA32_VMX_EXIT_CTLS,
-				&_vmexit_control) < 0)
-		return -EIO;
-
-	min = PIN_BASED_EXT_INTR_MASK | PIN_BASED_NMI_EXITING;
-	opt = PIN_BASED_VIRTUAL_NMIS | PIN_BASED_POSTED_INTR |
-		 PIN_BASED_VMX_PREEMPTION_TIMER;
-	if (adjust_vmx_controls(min, opt, MSR_IA32_VMX_PINBASED_CTLS,
-				&_pin_based_exec_control) < 0)
-		return -EIO;
-
-	if (cpu_has_broken_vmx_preemption_timer())
-		_pin_based_exec_control &= ~PIN_BASED_VMX_PREEMPTION_TIMER;
-	if (!(_cpu_based_2nd_exec_control &
-		SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY))
-		_pin_based_exec_control &= ~PIN_BASED_POSTED_INTR;
-
-	min = VM_ENTRY_LOAD_DEBUG_CONTROLS;
-	opt = VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL |
-	      VM_ENTRY_LOAD_IA32_PAT |
-	      VM_ENTRY_LOAD_IA32_EFER |
-	      VM_ENTRY_LOAD_BNDCFGS |
-	      VM_ENTRY_PT_CONCEAL_PIP |
-	      VM_ENTRY_LOAD_IA32_RTIT_CTL;
-	if (adjust_vmx_controls(min, opt, MSR_IA32_VMX_ENTRY_CTLS,
-				&_vmentry_control) < 0)
-		return -EIO;
-
-	/*
-	 * Some cpus support VM_{ENTRY,EXIT}_IA32_PERF_GLOBAL_CTRL but they
-	 * can't be used due to an errata where VM Exit may incorrectly clear
-	 * IA32_PERF_GLOBAL_CTRL[34:32].  Workaround the errata by using the
-	 * MSR load mechanism to switch IA32_PERF_GLOBAL_CTRL.
-	 */
-	if (boot_cpu_data.x86 == 0x6) {
-		switch (boot_cpu_data.x86_model) {
-		case 26: /* AAK155 */
-		case 30: /* AAP115 */
-		case 37: /* AAT100 */
-		case 44: /* BC86,AAY89,BD102 */
-		case 46: /* BA97 */
-			_vmentry_control &= ~VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL;
-			_vmexit_control &= ~VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL;
-			pr_warn_once("kvm: VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL "
-					"does not work properly. Using workaround\n");
-			break;
-		default:
-			break;
-		}
-	}
-
-
-	rdmsr(MSR_IA32_VMX_BASIC, vmx_msr_low, vmx_msr_high);
-
-	/* IA-32 SDM Vol 3B: VMCS size is never greater than 4kB. */
-	if ((vmx_msr_high & 0x1fff) > PAGE_SIZE)
-		return -EIO;
-
-#ifdef CONFIG_X86_64
-	/* IA-32 SDM Vol 3B: 64-bit CPUs always have VMX_BASIC_MSR[48]==0. */
-	if (vmx_msr_high & (1u<<16))
-		return -EIO;
-#endif
-
-	/* Require Write-Back (WB) memory type for VMCS accesses. */
-	if (((vmx_msr_high >> 18) & 15) != 6)
-		return -EIO;
-
-	vmcs_conf->size = vmx_msr_high & 0x1fff;
-	vmcs_conf->order = get_order(vmcs_conf->size);
-	vmcs_conf->basic_cap = vmx_msr_high & ~0x1fff;
-
-	vmcs_conf->revision_id = vmx_msr_low;
-
-	vmcs_conf->pin_based_exec_ctrl = _pin_based_exec_control;
-	vmcs_conf->cpu_based_exec_ctrl = _cpu_based_exec_control;
-	vmcs_conf->cpu_based_2nd_exec_ctrl = _cpu_based_2nd_exec_control;
-	vmcs_conf->vmexit_ctrl         = _vmexit_control;
-	vmcs_conf->vmentry_ctrl        = _vmentry_control;
-
-	if (static_branch_unlikely(&enable_evmcs))
-		evmcs_sanitize_exec_ctrls(vmcs_conf);
-
-	return 0;
-}
-
-struct vmcs *alloc_vmcs_cpu(bool shadow, int cpu, gfp_t flags)
-{
-	int node = cpu_to_node(cpu);
-	struct page *pages;
-	struct vmcs *vmcs;
-
-	pages = __alloc_pages_node(node, flags, vmcs_config.order);
-	if (!pages)
-		return NULL;
-	vmcs = page_address(pages);
-	memset(vmcs, 0, vmcs_config.size);
-
-	/* KVM supports Enlightened VMCS v1 only */
-	if (static_branch_unlikely(&enable_evmcs))
-		vmcs->hdr.revision_id = KVM_EVMCS_VERSION;
-	else
-		vmcs->hdr.revision_id = vmcs_config.revision_id;
-
-	if (shadow)
-		vmcs->hdr.shadow_vmcs = 1;
-	return vmcs;
-}
-
-void free_vmcs(struct vmcs *vmcs)
-{
-	free_pages((unsigned long)vmcs, vmcs_config.order);
-}
-
-/*
- * Free a VMCS, but before that VMCLEAR it on the CPU where it was last loaded
- */
-void free_loaded_vmcs(struct loaded_vmcs *loaded_vmcs)
-{
-	if (!loaded_vmcs->vmcs)
-		return;
-	loaded_vmcs_clear(loaded_vmcs);
-	free_vmcs(loaded_vmcs->vmcs);
-	loaded_vmcs->vmcs = NULL;
-	if (loaded_vmcs->msr_bitmap)
-		free_page((unsigned long)loaded_vmcs->msr_bitmap);
-	WARN_ON(loaded_vmcs->shadow_vmcs != NULL);
-}
-
-int alloc_loaded_vmcs(struct loaded_vmcs *loaded_vmcs)
-{
-	loaded_vmcs->vmcs = alloc_vmcs(false);
-	if (!loaded_vmcs->vmcs)
-		return -ENOMEM;
-
-	loaded_vmcs->shadow_vmcs = NULL;
-	loaded_vmcs->hv_timer_soft_disabled = false;
-	loaded_vmcs_init(loaded_vmcs);
-
-	if (cpu_has_vmx_msr_bitmap()) {
-		loaded_vmcs->msr_bitmap = (unsigned long *)
-				__get_free_page(GFP_KERNEL_ACCOUNT);
-		if (!loaded_vmcs->msr_bitmap)
-			goto out_vmcs;
-		memset(loaded_vmcs->msr_bitmap, 0xff, PAGE_SIZE);
-
-		if (IS_ENABLED(CONFIG_HYPERV) &&
-		    static_branch_unlikely(&enable_evmcs) &&
-		    (ms_hyperv.nested_features & HV_X64_NESTED_MSR_BITMAP)) {
-			struct hv_enlightened_vmcs *evmcs =
-				(struct hv_enlightened_vmcs *)loaded_vmcs->vmcs;
-
-			evmcs->hv_enlightenments_control.msr_bitmap = 1;
-		}
-	}
-
-	memset(&loaded_vmcs->host_state, 0, sizeof(struct vmcs_host_state));
-	memset(&loaded_vmcs->controls_shadow, 0,
-		sizeof(struct vmcs_controls_shadow));
-
-	return 0;
-
-out_vmcs:
-	free_loaded_vmcs(loaded_vmcs);
-	return -ENOMEM;
-}
-
-static void free_kvm_area(void)
-{
-	int cpu;
-
-	for_each_possible_cpu(cpu) {
-		free_vmcs(per_cpu(vmxarea, cpu));
-		per_cpu(vmxarea, cpu) = NULL;
-	}
-}
-
-static __init int alloc_kvm_area(void)
-{
-	int cpu;
-
-	for_each_possible_cpu(cpu) {
-		struct vmcs *vmcs;
-
-		vmcs = alloc_vmcs_cpu(false, cpu, GFP_KERNEL);
-		if (!vmcs) {
-			free_kvm_area();
-			return -ENOMEM;
-		}
-
-		/*
-		 * When eVMCS is enabled, alloc_vmcs_cpu() sets
-		 * vmcs->revision_id to KVM_EVMCS_VERSION instead of
-		 * revision_id reported by MSR_IA32_VMX_BASIC.
-		 *
-		 * However, even though not explicitly documented by
-		 * TLFS, VMXArea passed as VMXON argument should
-		 * still be marked with revision_id reported by
-		 * physical CPU.
-		 */
-		if (static_branch_unlikely(&enable_evmcs))
-			vmcs->hdr.revision_id = vmcs_config.revision_id;
-
-		per_cpu(vmxarea, cpu) = vmcs;
-	}
-	return 0;
-}
-
-static void fix_pmode_seg(struct kvm_vcpu *vcpu, int seg,
-		struct kvm_segment *save)
-{
-	if (!emulate_invalid_guest_state) {
-		/*
-		 * CS and SS RPL should be equal during guest entry according
-		 * to VMX spec, but in reality it is not always so. Since vcpu
-		 * is in the middle of the transition from real mode to
-		 * protected mode it is safe to assume that RPL 0 is a good
-		 * default value.
-		 */
-		if (seg == VCPU_SREG_CS || seg == VCPU_SREG_SS)
-			save->selector &= ~SEGMENT_RPL_MASK;
-		save->dpl = save->selector & SEGMENT_RPL_MASK;
-		save->s = 1;
-	}
-	vmx_set_segment(vcpu, save, seg);
-}
-
-static void enter_pmode(struct kvm_vcpu *vcpu)
-{
-	unsigned long flags;
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-
-	/*
-	 * Update real mode segment cache. It may be not up-to-date if sement
-	 * register was written while vcpu was in a guest mode.
-	 */
-	vmx_get_segment(vcpu, &vmx->rmode.segs[VCPU_SREG_ES], VCPU_SREG_ES);
-	vmx_get_segment(vcpu, &vmx->rmode.segs[VCPU_SREG_DS], VCPU_SREG_DS);
-	vmx_get_segment(vcpu, &vmx->rmode.segs[VCPU_SREG_FS], VCPU_SREG_FS);
-	vmx_get_segment(vcpu, &vmx->rmode.segs[VCPU_SREG_GS], VCPU_SREG_GS);
-	vmx_get_segment(vcpu, &vmx->rmode.segs[VCPU_SREG_SS], VCPU_SREG_SS);
-	vmx_get_segment(vcpu, &vmx->rmode.segs[VCPU_SREG_CS], VCPU_SREG_CS);
-
-	vmx->rmode.vm86_active = 0;
-
-	vmx_segment_cache_clear(vmx);
-
-	vmx_set_segment(vcpu, &vmx->rmode.segs[VCPU_SREG_TR], VCPU_SREG_TR);
-
-	flags = vmcs_readl(GUEST_RFLAGS);
-	flags &= RMODE_GUEST_OWNED_EFLAGS_BITS;
-	flags |= vmx->rmode.save_rflags & ~RMODE_GUEST_OWNED_EFLAGS_BITS;
-	vmcs_writel(GUEST_RFLAGS, flags);
-
-	vmcs_writel(GUEST_CR4, (vmcs_readl(GUEST_CR4) & ~X86_CR4_VME) |
-			(vmcs_readl(CR4_READ_SHADOW) & X86_CR4_VME));
-
-	update_exception_bitmap(vcpu);
-
-	fix_pmode_seg(vcpu, VCPU_SREG_CS, &vmx->rmode.segs[VCPU_SREG_CS]);
-	fix_pmode_seg(vcpu, VCPU_SREG_SS, &vmx->rmode.segs[VCPU_SREG_SS]);
-	fix_pmode_seg(vcpu, VCPU_SREG_ES, &vmx->rmode.segs[VCPU_SREG_ES]);
-	fix_pmode_seg(vcpu, VCPU_SREG_DS, &vmx->rmode.segs[VCPU_SREG_DS]);
-	fix_pmode_seg(vcpu, VCPU_SREG_FS, &vmx->rmode.segs[VCPU_SREG_FS]);
-	fix_pmode_seg(vcpu, VCPU_SREG_GS, &vmx->rmode.segs[VCPU_SREG_GS]);
-}
-
-static void fix_rmode_seg(int seg, struct kvm_segment *save)
-{
-	const struct kvm_vmx_segment_field *sf = &kvm_vmx_segment_fields[seg];
-	struct kvm_segment var = *save;
-
-	var.dpl = 0x3;
-	if (seg == VCPU_SREG_CS)
-		var.type = 0x3;
-
-	if (!emulate_invalid_guest_state) {
-		var.selector = var.base >> 4;
-		var.base = var.base & 0xffff0;
-		var.limit = 0xffff;
-		var.g = 0;
-		var.db = 0;
-		var.present = 1;
-		var.s = 1;
-		var.l = 0;
-		var.unusable = 0;
-		var.type = 0x3;
-		var.avl = 0;
-		if (save->base & 0xf)
-			printk_once(KERN_WARNING "kvm: segment base is not "
-					"paragraph aligned when entering "
-					"protected mode (seg=%d)", seg);
-	}
-
-	vmcs_write16(sf->selector, var.selector);
-	vmcs_writel(sf->base, var.base);
-	vmcs_write32(sf->limit, var.limit);
-	vmcs_write32(sf->ar_bytes, vmx_segment_access_rights(&var));
-}
-
-static void enter_rmode(struct kvm_vcpu *vcpu)
-{
-	unsigned long flags;
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-	struct kvm_vmx *kvm_vmx = to_kvm_vmx(vcpu->kvm);
-
-	vmx_get_segment(vcpu, &vmx->rmode.segs[VCPU_SREG_TR], VCPU_SREG_TR);
-	vmx_get_segment(vcpu, &vmx->rmode.segs[VCPU_SREG_ES], VCPU_SREG_ES);
-	vmx_get_segment(vcpu, &vmx->rmode.segs[VCPU_SREG_DS], VCPU_SREG_DS);
-	vmx_get_segment(vcpu, &vmx->rmode.segs[VCPU_SREG_FS], VCPU_SREG_FS);
-	vmx_get_segment(vcpu, &vmx->rmode.segs[VCPU_SREG_GS], VCPU_SREG_GS);
-	vmx_get_segment(vcpu, &vmx->rmode.segs[VCPU_SREG_SS], VCPU_SREG_SS);
-	vmx_get_segment(vcpu, &vmx->rmode.segs[VCPU_SREG_CS], VCPU_SREG_CS);
-
-	vmx->rmode.vm86_active = 1;
-
-	/*
-	 * Very old userspace does not call KVM_SET_TSS_ADDR before entering
-	 * vcpu. Warn the user that an update is overdue.
-	 */
-	if (!kvm_vmx->tss_addr)
-		printk_once(KERN_WARNING "kvm: KVM_SET_TSS_ADDR need to be "
-			     "called before entering vcpu\n");
-
-	vmx_segment_cache_clear(vmx);
-
-	vmcs_writel(GUEST_TR_BASE, kvm_vmx->tss_addr);
-	vmcs_write32(GUEST_TR_LIMIT, RMODE_TSS_SIZE - 1);
-	vmcs_write32(GUEST_TR_AR_BYTES, 0x008b);
-
-	flags = vmcs_readl(GUEST_RFLAGS);
-	vmx->rmode.save_rflags = flags;
-
-	flags |= X86_EFLAGS_IOPL | X86_EFLAGS_VM;
-
-	vmcs_writel(GUEST_RFLAGS, flags);
-	vmcs_writel(GUEST_CR4, vmcs_readl(GUEST_CR4) | X86_CR4_VME);
-	update_exception_bitmap(vcpu);
-
-	fix_rmode_seg(VCPU_SREG_SS, &vmx->rmode.segs[VCPU_SREG_SS]);
-	fix_rmode_seg(VCPU_SREG_CS, &vmx->rmode.segs[VCPU_SREG_CS]);
-	fix_rmode_seg(VCPU_SREG_ES, &vmx->rmode.segs[VCPU_SREG_ES]);
-	fix_rmode_seg(VCPU_SREG_DS, &vmx->rmode.segs[VCPU_SREG_DS]);
-	fix_rmode_seg(VCPU_SREG_GS, &vmx->rmode.segs[VCPU_SREG_GS]);
-	fix_rmode_seg(VCPU_SREG_FS, &vmx->rmode.segs[VCPU_SREG_FS]);
-
-	kvm_mmu_reset_context(vcpu);
-}
-
-void vmx_set_efer(struct kvm_vcpu *vcpu, u64 efer)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-	struct shared_msr_entry *msr = find_msr_entry(vmx, MSR_EFER);
-
-	if (!msr)
-		return;
-
-	vcpu->arch.efer = efer;
-	if (efer & EFER_LMA) {
-		vm_entry_controls_setbit(to_vmx(vcpu), VM_ENTRY_IA32E_MODE);
-		msr->data = efer;
-	} else {
-		vm_entry_controls_clearbit(to_vmx(vcpu), VM_ENTRY_IA32E_MODE);
-
-		msr->data = efer & ~EFER_LME;
-	}
-	setup_msrs(vmx);
-}
-
-#ifdef CONFIG_X86_64
-
-static void enter_lmode(struct kvm_vcpu *vcpu)
-{
-	u32 guest_tr_ar;
-
-	vmx_segment_cache_clear(to_vmx(vcpu));
-
-	guest_tr_ar = vmcs_read32(GUEST_TR_AR_BYTES);
-	if ((guest_tr_ar & VMX_AR_TYPE_MASK) != VMX_AR_TYPE_BUSY_64_TSS) {
-		pr_debug_ratelimited("%s: tss fixup for long mode. \n",
-				     __func__);
-		vmcs_write32(GUEST_TR_AR_BYTES,
-			     (guest_tr_ar & ~VMX_AR_TYPE_MASK)
-			     | VMX_AR_TYPE_BUSY_64_TSS);
-	}
-	vmx_set_efer(vcpu, vcpu->arch.efer | EFER_LMA);
-}
-
-static void exit_lmode(struct kvm_vcpu *vcpu)
-{
-	vm_entry_controls_clearbit(to_vmx(vcpu), VM_ENTRY_IA32E_MODE);
-	vmx_set_efer(vcpu, vcpu->arch.efer & ~EFER_LMA);
-}
-
-#endif
-
-static void vmx_flush_tlb_gva(struct kvm_vcpu *vcpu, gva_t addr)
-{
-	int vpid = to_vmx(vcpu)->vpid;
-
-	if (!vpid_sync_vcpu_addr(vpid, addr))
-		vpid_sync_context(vpid);
-
-	/*
-	 * If VPIDs are not supported or enabled, then the above is a no-op.
-	 * But we don't really need a TLB flush in that case anyway, because
-	 * each VM entry/exit includes an implicit flush when VPID is 0.
-	 */
-}
-
-static void vmx_decache_cr0_guest_bits(struct kvm_vcpu *vcpu)
-{
-	ulong cr0_guest_owned_bits = vcpu->arch.cr0_guest_owned_bits;
-
-	vcpu->arch.cr0 &= ~cr0_guest_owned_bits;
-	vcpu->arch.cr0 |= vmcs_readl(GUEST_CR0) & cr0_guest_owned_bits;
-}
-
-static void vmx_decache_cr4_guest_bits(struct kvm_vcpu *vcpu)
-{
-	ulong cr4_guest_owned_bits = vcpu->arch.cr4_guest_owned_bits;
-
-	vcpu->arch.cr4 &= ~cr4_guest_owned_bits;
-	vcpu->arch.cr4 |= vmcs_readl(GUEST_CR4) & cr4_guest_owned_bits;
-}
-
-static void ept_load_pdptrs(struct kvm_vcpu *vcpu)
-{
-	struct kvm_mmu *mmu = vcpu->arch.walk_mmu;
-
-	if (!kvm_register_is_dirty(vcpu, VCPU_EXREG_PDPTR))
-		return;
-
-	if (is_pae_paging(vcpu)) {
-		vmcs_write64(GUEST_PDPTR0, mmu->pdptrs[0]);
-		vmcs_write64(GUEST_PDPTR1, mmu->pdptrs[1]);
-		vmcs_write64(GUEST_PDPTR2, mmu->pdptrs[2]);
-		vmcs_write64(GUEST_PDPTR3, mmu->pdptrs[3]);
-	}
-}
-
-void ept_save_pdptrs(struct kvm_vcpu *vcpu)
-{
-	struct kvm_mmu *mmu = vcpu->arch.walk_mmu;
-
-	if (is_pae_paging(vcpu)) {
-		mmu->pdptrs[0] = vmcs_read64(GUEST_PDPTR0);
-		mmu->pdptrs[1] = vmcs_read64(GUEST_PDPTR1);
-		mmu->pdptrs[2] = vmcs_read64(GUEST_PDPTR2);
-		mmu->pdptrs[3] = vmcs_read64(GUEST_PDPTR3);
-	}
-
-	kvm_register_mark_dirty(vcpu, VCPU_EXREG_PDPTR);
-}
-
-static void ept_update_paging_mode_cr0(unsigned long *hw_cr0,
-					unsigned long cr0,
-					struct kvm_vcpu *vcpu)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-
-	if (!kvm_register_is_available(vcpu, VCPU_EXREG_CR3))
-		vmx_cache_reg(vcpu, VCPU_EXREG_CR3);
-	if (!(cr0 & X86_CR0_PG)) {
-		/* From paging/starting to nonpaging */
-		exec_controls_setbit(vmx, CPU_BASED_CR3_LOAD_EXITING |
-					  CPU_BASED_CR3_STORE_EXITING);
-		vcpu->arch.cr0 = cr0;
-		vmx_set_cr4(vcpu, kvm_read_cr4(vcpu));
-	} else if (!is_paging(vcpu)) {
-		/* From nonpaging to paging */
-		exec_controls_clearbit(vmx, CPU_BASED_CR3_LOAD_EXITING |
-					    CPU_BASED_CR3_STORE_EXITING);
-		vcpu->arch.cr0 = cr0;
-		vmx_set_cr4(vcpu, kvm_read_cr4(vcpu));
-	}
-
-	if (!(cr0 & X86_CR0_WP))
-		*hw_cr0 &= ~X86_CR0_WP;
-}
-
-void vmx_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-	unsigned long hw_cr0;
-
-	hw_cr0 = (cr0 & ~KVM_VM_CR0_ALWAYS_OFF);
-	if (enable_unrestricted_guest)
-		hw_cr0 |= KVM_VM_CR0_ALWAYS_ON_UNRESTRICTED_GUEST;
-	else {
-		hw_cr0 |= KVM_VM_CR0_ALWAYS_ON;
-
-		if (vmx->rmode.vm86_active && (cr0 & X86_CR0_PE))
-			enter_pmode(vcpu);
-
-		if (!vmx->rmode.vm86_active && !(cr0 & X86_CR0_PE))
-			enter_rmode(vcpu);
-	}
-
-#ifdef CONFIG_X86_64
-	if (vcpu->arch.efer & EFER_LME) {
-		if (!is_paging(vcpu) && (cr0 & X86_CR0_PG))
-			enter_lmode(vcpu);
-		if (is_paging(vcpu) && !(cr0 & X86_CR0_PG))
-			exit_lmode(vcpu);
-	}
-#endif
-
-	if (enable_ept && !enable_unrestricted_guest)
-		ept_update_paging_mode_cr0(&hw_cr0, cr0, vcpu);
-
-	vmcs_writel(CR0_READ_SHADOW, cr0);
-	vmcs_writel(GUEST_CR0, hw_cr0);
-	vcpu->arch.cr0 = cr0;
-
-	/* depends on vcpu->arch.cr0 to be set to a new value */
-	vmx->emulation_required = emulation_required(vcpu);
-}
-
-static int get_ept_level(struct kvm_vcpu *vcpu)
-{
-	if (cpu_has_vmx_ept_5levels() && (cpuid_maxphyaddr(vcpu) > 48))
-		return 5;
-	return 4;
-}
-
-u64 construct_eptp(struct kvm_vcpu *vcpu, unsigned long root_hpa)
-{
-	u64 eptp = VMX_EPTP_MT_WB;
-
-	eptp |= (get_ept_level(vcpu) == 5) ? VMX_EPTP_PWL_5 : VMX_EPTP_PWL_4;
-
-	if (enable_ept_ad_bits &&
-	    (!is_guest_mode(vcpu) || nested_ept_ad_enabled(vcpu)))
-		eptp |= VMX_EPTP_AD_ENABLE_BIT;
-	eptp |= (root_hpa & PAGE_MASK);
-
-	return eptp;
-}
-
-void vmx_set_cr3(struct kvm_vcpu *vcpu, unsigned long cr3)
-{
-	struct kvm *kvm = vcpu->kvm;
-	bool update_guest_cr3 = true;
-	unsigned long guest_cr3;
-	u64 eptp;
-
-	guest_cr3 = cr3;
-	if (enable_ept) {
-		eptp = construct_eptp(vcpu, cr3);
-		vmcs_write64(EPT_POINTER, eptp);
-
-		if (kvm_x86_ops->tlb_remote_flush) {
-			spin_lock(&to_kvm_vmx(kvm)->ept_pointer_lock);
-			to_vmx(vcpu)->ept_pointer = eptp;
-			to_kvm_vmx(kvm)->ept_pointers_match
-				= EPT_POINTERS_CHECK;
-			spin_unlock(&to_kvm_vmx(kvm)->ept_pointer_lock);
-		}
-
-		/* Loading vmcs02.GUEST_CR3 is handled by nested VM-Enter. */
-		if (is_guest_mode(vcpu))
-			update_guest_cr3 = false;
-		else if (!enable_unrestricted_guest && !is_paging(vcpu))
-			guest_cr3 = to_kvm_vmx(kvm)->ept_identity_map_addr;
-		else if (test_bit(VCPU_EXREG_CR3, (ulong *)&vcpu->arch.regs_avail))
-			guest_cr3 = vcpu->arch.cr3;
-		else /* vmcs01.GUEST_CR3 is already up-to-date. */
-			update_guest_cr3 = false;
-		ept_load_pdptrs(vcpu);
-	}
-
-	if (update_guest_cr3)
-		vmcs_writel(GUEST_CR3, guest_cr3);
-}
-
-int vmx_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-	/*
-	 * Pass through host's Machine Check Enable value to hw_cr4, which
-	 * is in force while we are in guest mode.  Do not let guests control
-	 * this bit, even if host CR4.MCE == 0.
-	 */
-	unsigned long hw_cr4;
-
-	hw_cr4 = (cr4_read_shadow() & X86_CR4_MCE) | (cr4 & ~X86_CR4_MCE);
-	if (enable_unrestricted_guest)
-		hw_cr4 |= KVM_VM_CR4_ALWAYS_ON_UNRESTRICTED_GUEST;
-	else if (vmx->rmode.vm86_active)
-		hw_cr4 |= KVM_RMODE_VM_CR4_ALWAYS_ON;
-	else
-		hw_cr4 |= KVM_PMODE_VM_CR4_ALWAYS_ON;
-
-	if (!boot_cpu_has(X86_FEATURE_UMIP) && vmx_umip_emulated()) {
-		if (cr4 & X86_CR4_UMIP) {
-			secondary_exec_controls_setbit(vmx, SECONDARY_EXEC_DESC);
-			hw_cr4 &= ~X86_CR4_UMIP;
-		} else if (!is_guest_mode(vcpu) ||
-			!nested_cpu_has2(get_vmcs12(vcpu), SECONDARY_EXEC_DESC)) {
-			secondary_exec_controls_clearbit(vmx, SECONDARY_EXEC_DESC);
-		}
-	}
-
-	if (cr4 & X86_CR4_VMXE) {
-		/*
-		 * To use VMXON (and later other VMX instructions), a guest
-		 * must first be able to turn on cr4.VMXE (see handle_vmon()).
-		 * So basically the check on whether to allow nested VMX
-		 * is here.  We operate under the default treatment of SMM,
-		 * so VMX cannot be enabled under SMM.
-		 */
-		if (!nested_vmx_allowed(vcpu) || is_smm(vcpu))
-			return 1;
-	}
-
-	if (vmx->nested.vmxon && !nested_cr4_valid(vcpu, cr4))
-		return 1;
-
-	vcpu->arch.cr4 = cr4;
-
-	if (!enable_unrestricted_guest) {
-		if (enable_ept) {
-			if (!is_paging(vcpu)) {
-				hw_cr4 &= ~X86_CR4_PAE;
-				hw_cr4 |= X86_CR4_PSE;
-			} else if (!(cr4 & X86_CR4_PAE)) {
-				hw_cr4 &= ~X86_CR4_PAE;
-			}
-		}
-
-		/*
-		 * SMEP/SMAP/PKU is disabled if CPU is in non-paging mode in
-		 * hardware.  To emulate this behavior, SMEP/SMAP/PKU needs
-		 * to be manually disabled when guest switches to non-paging
-		 * mode.
-		 *
-		 * If !enable_unrestricted_guest, the CPU is always running
-		 * with CR0.PG=1 and CR4 needs to be modified.
-		 * If enable_unrestricted_guest, the CPU automatically
-		 * disables SMEP/SMAP/PKU when the guest sets CR0.PG=0.
-		 */
-		if (!is_paging(vcpu))
-			hw_cr4 &= ~(X86_CR4_SMEP | X86_CR4_SMAP | X86_CR4_PKE);
-	}
-
-	vmcs_writel(CR4_READ_SHADOW, cr4);
-	vmcs_writel(GUEST_CR4, hw_cr4);
-	return 0;
-}
-
-void vmx_get_segment(struct kvm_vcpu *vcpu, struct kvm_segment *var, int seg)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-	u32 ar;
-
-	if (vmx->rmode.vm86_active && seg != VCPU_SREG_LDTR) {
-		*var = vmx->rmode.segs[seg];
-		if (seg == VCPU_SREG_TR
-		    || var->selector == vmx_read_guest_seg_selector(vmx, seg))
-			return;
-		var->base = vmx_read_guest_seg_base(vmx, seg);
-		var->selector = vmx_read_guest_seg_selector(vmx, seg);
-		return;
-	}
-	var->base = vmx_read_guest_seg_base(vmx, seg);
-	var->limit = vmx_read_guest_seg_limit(vmx, seg);
-	var->selector = vmx_read_guest_seg_selector(vmx, seg);
-	ar = vmx_read_guest_seg_ar(vmx, seg);
-	var->unusable = (ar >> 16) & 1;
-	var->type = ar & 15;
-	var->s = (ar >> 4) & 1;
-	var->dpl = (ar >> 5) & 3;
-	/*
-	 * Some userspaces do not preserve unusable property. Since usable
-	 * segment has to be present according to VMX spec we can use present
-	 * property to amend userspace bug by making unusable segment always
-	 * nonpresent. vmx_segment_access_rights() already marks nonpresent
-	 * segment as unusable.
-	 */
-	var->present = !var->unusable;
-	var->avl = (ar >> 12) & 1;
-	var->l = (ar >> 13) & 1;
-	var->db = (ar >> 14) & 1;
-	var->g = (ar >> 15) & 1;
-}
-
-static u64 vmx_get_segment_base(struct kvm_vcpu *vcpu, int seg)
-{
-	struct kvm_segment s;
-
-	if (to_vmx(vcpu)->rmode.vm86_active) {
-		vmx_get_segment(vcpu, &s, seg);
-		return s.base;
-	}
-	return vmx_read_guest_seg_base(to_vmx(vcpu), seg);
-}
-
-int vmx_get_cpl(struct kvm_vcpu *vcpu)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-
-	if (unlikely(vmx->rmode.vm86_active))
-		return 0;
-	else {
-		int ar = vmx_read_guest_seg_ar(vmx, VCPU_SREG_SS);
-		return VMX_AR_DPL(ar);
-	}
-}
-
-static u32 vmx_segment_access_rights(struct kvm_segment *var)
-{
-	u32 ar;
-
-	if (var->unusable || !var->present)
-		ar = 1 << 16;
-	else {
-		ar = var->type & 15;
-		ar |= (var->s & 1) << 4;
-		ar |= (var->dpl & 3) << 5;
-		ar |= (var->present & 1) << 7;
-		ar |= (var->avl & 1) << 12;
-		ar |= (var->l & 1) << 13;
-		ar |= (var->db & 1) << 14;
-		ar |= (var->g & 1) << 15;
-	}
-
-	return ar;
-}
-
-void vmx_set_segment(struct kvm_vcpu *vcpu, struct kvm_segment *var, int seg)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-	const struct kvm_vmx_segment_field *sf = &kvm_vmx_segment_fields[seg];
-
-	vmx_segment_cache_clear(vmx);
-
-	if (vmx->rmode.vm86_active && seg != VCPU_SREG_LDTR) {
-		vmx->rmode.segs[seg] = *var;
-		if (seg == VCPU_SREG_TR)
-			vmcs_write16(sf->selector, var->selector);
-		else if (var->s)
-			fix_rmode_seg(seg, &vmx->rmode.segs[seg]);
-		goto out;
-	}
-
-	vmcs_writel(sf->base, var->base);
-	vmcs_write32(sf->limit, var->limit);
-	vmcs_write16(sf->selector, var->selector);
-
-	/*
-	 *   Fix the "Accessed" bit in AR field of segment registers for older
-	 * qemu binaries.
-	 *   IA32 arch specifies that at the time of processor reset the
-	 * "Accessed" bit in the AR field of segment registers is 1. And qemu
-	 * is setting it to 0 in the userland code. This causes invalid guest
-	 * state vmexit when "unrestricted guest" mode is turned on.
-	 *    Fix for this setup issue in cpu_reset is being pushed in the qemu
-	 * tree. Newer qemu binaries with that qemu fix would not need this
-	 * kvm hack.
-	 */
-	if (enable_unrestricted_guest && (seg != VCPU_SREG_LDTR))
-		var->type |= 0x1; /* Accessed */
-
-	vmcs_write32(sf->ar_bytes, vmx_segment_access_rights(var));
-
-out:
-	vmx->emulation_required = emulation_required(vcpu);
-}
-
-static void vmx_get_cs_db_l_bits(struct kvm_vcpu *vcpu, int *db, int *l)
-{
-	u32 ar = vmx_read_guest_seg_ar(to_vmx(vcpu), VCPU_SREG_CS);
-
-	*db = (ar >> 14) & 1;
-	*l = (ar >> 13) & 1;
-}
-
-static void vmx_get_idt(struct kvm_vcpu *vcpu, struct desc_ptr *dt)
-{
-	dt->size = vmcs_read32(GUEST_IDTR_LIMIT);
-	dt->address = vmcs_readl(GUEST_IDTR_BASE);
-}
-
-static void vmx_set_idt(struct kvm_vcpu *vcpu, struct desc_ptr *dt)
-{
-	vmcs_write32(GUEST_IDTR_LIMIT, dt->size);
-	vmcs_writel(GUEST_IDTR_BASE, dt->address);
-}
-
-static void vmx_get_gdt(struct kvm_vcpu *vcpu, struct desc_ptr *dt)
-{
-	dt->size = vmcs_read32(GUEST_GDTR_LIMIT);
-	dt->address = vmcs_readl(GUEST_GDTR_BASE);
-}
-
-static void vmx_set_gdt(struct kvm_vcpu *vcpu, struct desc_ptr *dt)
-{
-	vmcs_write32(GUEST_GDTR_LIMIT, dt->size);
-	vmcs_writel(GUEST_GDTR_BASE, dt->address);
-}
-
-static bool rmode_segment_valid(struct kvm_vcpu *vcpu, int seg)
-{
-	struct kvm_segment var;
-	u32 ar;
-
-	vmx_get_segment(vcpu, &var, seg);
-	var.dpl = 0x3;
-	if (seg == VCPU_SREG_CS)
-		var.type = 0x3;
-	ar = vmx_segment_access_rights(&var);
-
-	if (var.base != (var.selector << 4))
-		return false;
-	if (var.limit != 0xffff)
-		return false;
-	if (ar != 0xf3)
-		return false;
-
-	return true;
-}
-
-static bool code_segment_valid(struct kvm_vcpu *vcpu)
-{
-	struct kvm_segment cs;
-	unsigned int cs_rpl;
-
-	vmx_get_segment(vcpu, &cs, VCPU_SREG_CS);
-	cs_rpl = cs.selector & SEGMENT_RPL_MASK;
-
-	if (cs.unusable)
-		return false;
-	if (~cs.type & (VMX_AR_TYPE_CODE_MASK|VMX_AR_TYPE_ACCESSES_MASK))
-		return false;
-	if (!cs.s)
-		return false;
-	if (cs.type & VMX_AR_TYPE_WRITEABLE_MASK) {
-		if (cs.dpl > cs_rpl)
-			return false;
-	} else {
-		if (cs.dpl != cs_rpl)
-			return false;
-	}
-	if (!cs.present)
-		return false;
-
-	/* TODO: Add Reserved field check, this'll require a new member in the kvm_segment_field structure */
-	return true;
-}
-
-static bool stack_segment_valid(struct kvm_vcpu *vcpu)
-{
-	struct kvm_segment ss;
-	unsigned int ss_rpl;
-
-	vmx_get_segment(vcpu, &ss, VCPU_SREG_SS);
-	ss_rpl = ss.selector & SEGMENT_RPL_MASK;
-
-	if (ss.unusable)
-		return true;
-	if (ss.type != 3 && ss.type != 7)
-		return false;
-	if (!ss.s)
-		return false;
-	if (ss.dpl != ss_rpl) /* DPL != RPL */
-		return false;
-	if (!ss.present)
-		return false;
-
-	return true;
-}
-
-static bool data_segment_valid(struct kvm_vcpu *vcpu, int seg)
-{
-	struct kvm_segment var;
-	unsigned int rpl;
-
-	vmx_get_segment(vcpu, &var, seg);
-	rpl = var.selector & SEGMENT_RPL_MASK;
-
-	if (var.unusable)
-		return true;
-	if (!var.s)
-		return false;
-	if (!var.present)
-		return false;
-	if (~var.type & (VMX_AR_TYPE_CODE_MASK|VMX_AR_TYPE_WRITEABLE_MASK)) {
-		if (var.dpl < rpl) /* DPL < RPL */
-			return false;
-	}
-
-	/* TODO: Add other members to kvm_segment_field to allow checking for other access
-	 * rights flags
-	 */
-	return true;
-}
-
-static bool tr_valid(struct kvm_vcpu *vcpu)
-{
-	struct kvm_segment tr;
-
-	vmx_get_segment(vcpu, &tr, VCPU_SREG_TR);
-
-	if (tr.unusable)
-		return false;
-	if (tr.selector & SEGMENT_TI_MASK)	/* TI = 1 */
-		return false;
-	if (tr.type != 3 && tr.type != 11) /* TODO: Check if guest is in IA32e mode */
-		return false;
-	if (!tr.present)
-		return false;
-
-	return true;
-}
-
-static bool ldtr_valid(struct kvm_vcpu *vcpu)
-{
-	struct kvm_segment ldtr;
-
-	vmx_get_segment(vcpu, &ldtr, VCPU_SREG_LDTR);
-
-	if (ldtr.unusable)
-		return true;
-	if (ldtr.selector & SEGMENT_TI_MASK)	/* TI = 1 */
-		return false;
-	if (ldtr.type != 2)
-		return false;
-	if (!ldtr.present)
-		return false;
-
-	return true;
-}
-
-static bool cs_ss_rpl_check(struct kvm_vcpu *vcpu)
-{
-	struct kvm_segment cs, ss;
-
-	vmx_get_segment(vcpu, &cs, VCPU_SREG_CS);
-	vmx_get_segment(vcpu, &ss, VCPU_SREG_SS);
-
-	return ((cs.selector & SEGMENT_RPL_MASK) ==
-		 (ss.selector & SEGMENT_RPL_MASK));
-}
-
-/*
- * Check if guest state is valid. Returns true if valid, false if
- * not.
- * We assume that registers are always usable
- */
-static bool guest_state_valid(struct kvm_vcpu *vcpu)
-{
-	if (enable_unrestricted_guest)
-		return true;
-
-	/* real mode guest state checks */
-	if (!is_protmode(vcpu) || (vmx_get_rflags(vcpu) & X86_EFLAGS_VM)) {
-		if (!rmode_segment_valid(vcpu, VCPU_SREG_CS))
-			return false;
-		if (!rmode_segment_valid(vcpu, VCPU_SREG_SS))
-			return false;
-		if (!rmode_segment_valid(vcpu, VCPU_SREG_DS))
-			return false;
-		if (!rmode_segment_valid(vcpu, VCPU_SREG_ES))
-			return false;
-		if (!rmode_segment_valid(vcpu, VCPU_SREG_FS))
-			return false;
-		if (!rmode_segment_valid(vcpu, VCPU_SREG_GS))
-			return false;
-	} else {
-	/* protected mode guest state checks */
-		if (!cs_ss_rpl_check(vcpu))
-			return false;
-		if (!code_segment_valid(vcpu))
-			return false;
-		if (!stack_segment_valid(vcpu))
-			return false;
-		if (!data_segment_valid(vcpu, VCPU_SREG_DS))
-			return false;
-		if (!data_segment_valid(vcpu, VCPU_SREG_ES))
-			return false;
-		if (!data_segment_valid(vcpu, VCPU_SREG_FS))
-			return false;
-		if (!data_segment_valid(vcpu, VCPU_SREG_GS))
-			return false;
-		if (!tr_valid(vcpu))
-			return false;
-		if (!ldtr_valid(vcpu))
-			return false;
-	}
-	/* TODO:
-	 * - Add checks on RIP
-	 * - Add checks on RFLAGS
-	 */
-
-	return true;
-}
-
-static int init_rmode_tss(struct kvm *kvm)
-{
-	gfn_t fn;
-	u16 data = 0;
-	int idx, r;
-
-	idx = srcu_read_lock(&kvm->srcu);
-	fn = to_kvm_vmx(kvm)->tss_addr >> PAGE_SHIFT;
-	r = kvm_clear_guest_page(kvm, fn, 0, PAGE_SIZE);
-	if (r < 0)
-		goto out;
-	data = TSS_BASE_SIZE + TSS_REDIRECTION_SIZE;
-	r = kvm_write_guest_page(kvm, fn++, &data,
-			TSS_IOPB_BASE_OFFSET, sizeof(u16));
-	if (r < 0)
-		goto out;
-	r = kvm_clear_guest_page(kvm, fn++, 0, PAGE_SIZE);
-	if (r < 0)
-		goto out;
-	r = kvm_clear_guest_page(kvm, fn, 0, PAGE_SIZE);
-	if (r < 0)
-		goto out;
-	data = ~0;
-	r = kvm_write_guest_page(kvm, fn, &data,
-				 RMODE_TSS_SIZE - 2 * PAGE_SIZE - 1,
-				 sizeof(u8));
-out:
-	srcu_read_unlock(&kvm->srcu, idx);
-	return r;
-}
-
-static int init_rmode_identity_map(struct kvm *kvm)
-{
-	struct kvm_vmx *kvm_vmx = to_kvm_vmx(kvm);
-	int i, idx, r = 0;
-	kvm_pfn_t identity_map_pfn;
-	u32 tmp;
-
-	/* Protect kvm_vmx->ept_identity_pagetable_done. */
-	mutex_lock(&kvm->slots_lock);
-
-	if (likely(kvm_vmx->ept_identity_pagetable_done))
-		goto out2;
-
-	if (!kvm_vmx->ept_identity_map_addr)
-		kvm_vmx->ept_identity_map_addr = VMX_EPT_IDENTITY_PAGETABLE_ADDR;
-	identity_map_pfn = kvm_vmx->ept_identity_map_addr >> PAGE_SHIFT;
-
-	r = __x86_set_memory_region(kvm, IDENTITY_PAGETABLE_PRIVATE_MEMSLOT,
-				    kvm_vmx->ept_identity_map_addr, PAGE_SIZE);
-	if (r < 0)
-		goto out2;
-
-	idx = srcu_read_lock(&kvm->srcu);
-	r = kvm_clear_guest_page(kvm, identity_map_pfn, 0, PAGE_SIZE);
-	if (r < 0)
-		goto out;
-	/* Set up identity-mapping pagetable for EPT in real mode */
-	for (i = 0; i < PT32_ENT_PER_PAGE; i++) {
-		tmp = (i << 22) + (_PAGE_PRESENT | _PAGE_RW | _PAGE_USER |
-			_PAGE_ACCESSED | _PAGE_DIRTY | _PAGE_PSE);
-		r = kvm_write_guest_page(kvm, identity_map_pfn,
-				&tmp, i * sizeof(tmp), sizeof(tmp));
-		if (r < 0)
-			goto out;
-	}
-	kvm_vmx->ept_identity_pagetable_done = true;
-
-out:
-	srcu_read_unlock(&kvm->srcu, idx);
-
-out2:
-	mutex_unlock(&kvm->slots_lock);
-	return r;
-}
-
-static void seg_setup(int seg)
-{
-	const struct kvm_vmx_segment_field *sf = &kvm_vmx_segment_fields[seg];
-	unsigned int ar;
-
-	vmcs_write16(sf->selector, 0);
-	vmcs_writel(sf->base, 0);
-	vmcs_write32(sf->limit, 0xffff);
-	ar = 0x93;
-	if (seg == VCPU_SREG_CS)
-		ar |= 0x08; /* code segment */
-
-	vmcs_write32(sf->ar_bytes, ar);
-}
-
-static int alloc_apic_access_page(struct kvm *kvm)
-{
-	struct page *page;
-	int r = 0;
-
-	mutex_lock(&kvm->slots_lock);
-	if (kvm->arch.apic_access_page_done)
-		goto out;
-	r = __x86_set_memory_region(kvm, APIC_ACCESS_PAGE_PRIVATE_MEMSLOT,
-				    APIC_DEFAULT_PHYS_BASE, PAGE_SIZE);
-	if (r)
-		goto out;
-
-	page = gfn_to_page(kvm, APIC_DEFAULT_PHYS_BASE >> PAGE_SHIFT);
-	if (is_error_page(page)) {
-		r = -EFAULT;
-		goto out;
-	}
-
-	/*
-	 * Do not pin the page in memory, so that memory hot-unplug
-	 * is able to migrate it.
-	 */
-	put_page(page);
-	kvm->arch.apic_access_page_done = true;
-out:
-	mutex_unlock(&kvm->slots_lock);
-	return r;
-}
-
-int allocate_vpid(void)
-{
-	int vpid;
-
-	if (!enable_vpid)
-		return 0;
-	spin_lock(&vmx_vpid_lock);
-	vpid = find_first_zero_bit(vmx_vpid_bitmap, VMX_NR_VPIDS);
-	if (vpid < VMX_NR_VPIDS)
-		__set_bit(vpid, vmx_vpid_bitmap);
-	else
-		vpid = 0;
-	spin_unlock(&vmx_vpid_lock);
-	return vpid;
-}
-
-void free_vpid(int vpid)
-{
-	if (!enable_vpid || vpid == 0)
-		return;
-	spin_lock(&vmx_vpid_lock);
-	__clear_bit(vpid, vmx_vpid_bitmap);
-	spin_unlock(&vmx_vpid_lock);
-}
-
-static __always_inline void vmx_disable_intercept_for_msr(unsigned long *msr_bitmap,
-							  u32 msr, int type)
-{
-	int f = sizeof(unsigned long);
-
-	if (!cpu_has_vmx_msr_bitmap())
-		return;
-
-	if (static_branch_unlikely(&enable_evmcs))
-		evmcs_touch_msr_bitmap();
-
-	/*
-	 * See Intel PRM Vol. 3, 20.6.9 (MSR-Bitmap Address). Early manuals
-	 * have the write-low and read-high bitmap offsets the wrong way round.
-	 * We can control MSRs 0x00000000-0x00001fff and 0xc0000000-0xc0001fff.
-	 */
-	if (msr <= 0x1fff) {
-		if (type & MSR_TYPE_R)
-			/* read-low */
-			__clear_bit(msr, msr_bitmap + 0x000 / f);
-
-		if (type & MSR_TYPE_W)
-			/* write-low */
-			__clear_bit(msr, msr_bitmap + 0x800 / f);
-
-	} else if ((msr >= 0xc0000000) && (msr <= 0xc0001fff)) {
-		msr &= 0x1fff;
-		if (type & MSR_TYPE_R)
-			/* read-high */
-			__clear_bit(msr, msr_bitmap + 0x400 / f);
-
-		if (type & MSR_TYPE_W)
-			/* write-high */
-			__clear_bit(msr, msr_bitmap + 0xc00 / f);
-
-	}
-}
-
-static __always_inline void vmx_enable_intercept_for_msr(unsigned long *msr_bitmap,
-							 u32 msr, int type)
-{
-	int f = sizeof(unsigned long);
-
-	if (!cpu_has_vmx_msr_bitmap())
-		return;
-
-	if (static_branch_unlikely(&enable_evmcs))
-		evmcs_touch_msr_bitmap();
-
-	/*
-	 * See Intel PRM Vol. 3, 20.6.9 (MSR-Bitmap Address). Early manuals
-	 * have the write-low and read-high bitmap offsets the wrong way round.
-	 * We can control MSRs 0x00000000-0x00001fff and 0xc0000000-0xc0001fff.
-	 */
-	if (msr <= 0x1fff) {
-		if (type & MSR_TYPE_R)
-			/* read-low */
-			__set_bit(msr, msr_bitmap + 0x000 / f);
-
-		if (type & MSR_TYPE_W)
-			/* write-low */
-			__set_bit(msr, msr_bitmap + 0x800 / f);
-
-	} else if ((msr >= 0xc0000000) && (msr <= 0xc0001fff)) {
-		msr &= 0x1fff;
-		if (type & MSR_TYPE_R)
-			/* read-high */
-			__set_bit(msr, msr_bitmap + 0x400 / f);
-
-		if (type & MSR_TYPE_W)
-			/* write-high */
-			__set_bit(msr, msr_bitmap + 0xc00 / f);
-
-	}
-}
-
-static __always_inline void vmx_set_intercept_for_msr(unsigned long *msr_bitmap,
-			     			      u32 msr, int type, bool value)
-{
-	if (value)
-		vmx_enable_intercept_for_msr(msr_bitmap, msr, type);
-	else
-		vmx_disable_intercept_for_msr(msr_bitmap, msr, type);
-}
-
-static u8 vmx_msr_bitmap_mode(struct kvm_vcpu *vcpu)
-{
-	u8 mode = 0;
-
-	if (cpu_has_secondary_exec_ctrls() &&
-	    (secondary_exec_controls_get(to_vmx(vcpu)) &
-	     SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE)) {
-		mode |= MSR_BITMAP_MODE_X2APIC;
-		if (enable_apicv && kvm_vcpu_apicv_active(vcpu))
-			mode |= MSR_BITMAP_MODE_X2APIC_APICV;
-	}
-
-	return mode;
-}
-
-static void vmx_update_msr_bitmap_x2apic(unsigned long *msr_bitmap,
-					 u8 mode)
-{
-	int msr;
-
-	for (msr = 0x800; msr <= 0x8ff; msr += BITS_PER_LONG) {
-		unsigned word = msr / BITS_PER_LONG;
-		msr_bitmap[word] = (mode & MSR_BITMAP_MODE_X2APIC_APICV) ? 0 : ~0;
-		msr_bitmap[word + (0x800 / sizeof(long))] = ~0;
-	}
-
-	if (mode & MSR_BITMAP_MODE_X2APIC) {
-		/*
-		 * TPR reads and writes can be virtualized even if virtual interrupt
-		 * delivery is not in use.
-		 */
-		vmx_disable_intercept_for_msr(msr_bitmap, X2APIC_MSR(APIC_TASKPRI), MSR_TYPE_RW);
-		if (mode & MSR_BITMAP_MODE_X2APIC_APICV) {
-			vmx_enable_intercept_for_msr(msr_bitmap, X2APIC_MSR(APIC_TMCCT), MSR_TYPE_R);
-			vmx_disable_intercept_for_msr(msr_bitmap, X2APIC_MSR(APIC_EOI), MSR_TYPE_W);
-			vmx_disable_intercept_for_msr(msr_bitmap, X2APIC_MSR(APIC_SELF_IPI), MSR_TYPE_W);
-		}
-	}
-}
-
-void vmx_update_msr_bitmap(struct kvm_vcpu *vcpu)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-	unsigned long *msr_bitmap = vmx->vmcs01.msr_bitmap;
-	u8 mode = vmx_msr_bitmap_mode(vcpu);
-	u8 changed = mode ^ vmx->msr_bitmap_mode;
-
-	if (!changed)
-		return;
-
-	if (changed & (MSR_BITMAP_MODE_X2APIC | MSR_BITMAP_MODE_X2APIC_APICV))
-		vmx_update_msr_bitmap_x2apic(msr_bitmap, mode);
-
-	vmx->msr_bitmap_mode = mode;
-}
-
-void pt_update_intercept_for_msr(struct vcpu_vmx *vmx)
-{
-	unsigned long *msr_bitmap = vmx->vmcs01.msr_bitmap;
-	bool flag = !(vmx->pt_desc.guest.ctl & RTIT_CTL_TRACEEN);
-	u32 i;
-
-	vmx_set_intercept_for_msr(msr_bitmap, MSR_IA32_RTIT_STATUS,
-							MSR_TYPE_RW, flag);
-	vmx_set_intercept_for_msr(msr_bitmap, MSR_IA32_RTIT_OUTPUT_BASE,
-							MSR_TYPE_RW, flag);
-	vmx_set_intercept_for_msr(msr_bitmap, MSR_IA32_RTIT_OUTPUT_MASK,
-							MSR_TYPE_RW, flag);
-	vmx_set_intercept_for_msr(msr_bitmap, MSR_IA32_RTIT_CR3_MATCH,
-							MSR_TYPE_RW, flag);
-	for (i = 0; i < vmx->pt_desc.addr_range; i++) {
-		vmx_set_intercept_for_msr(msr_bitmap,
-			MSR_IA32_RTIT_ADDR0_A + i * 2, MSR_TYPE_RW, flag);
-		vmx_set_intercept_for_msr(msr_bitmap,
-			MSR_IA32_RTIT_ADDR0_B + i * 2, MSR_TYPE_RW, flag);
-	}
-}
-
-static bool vmx_get_enable_apicv(struct kvm *kvm)
-{
-	return enable_apicv;
-}
-
-static bool vmx_guest_apic_has_interrupt(struct kvm_vcpu *vcpu)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-	void *vapic_page;
-	u32 vppr;
-	int rvi;
-
-	if (WARN_ON_ONCE(!is_guest_mode(vcpu)) ||
-		!nested_cpu_has_vid(get_vmcs12(vcpu)) ||
-		WARN_ON_ONCE(!vmx->nested.virtual_apic_map.gfn))
-		return false;
-
-	rvi = vmx_get_rvi();
-
-	vapic_page = vmx->nested.virtual_apic_map.hva;
-	vppr = *((u32 *)(vapic_page + APIC_PROCPRI));
-
-	return ((rvi & 0xf0) > (vppr & 0xf0));
-}
-
-static inline bool kvm_vcpu_trigger_posted_interrupt(struct kvm_vcpu *vcpu,
-						     bool nested)
-{
-#ifdef CONFIG_SMP
-	int pi_vec = nested ? POSTED_INTR_NESTED_VECTOR : POSTED_INTR_VECTOR;
-
-	if (vcpu->mode == IN_GUEST_MODE) {
-		/*
-		 * The vector of interrupt to be delivered to vcpu had
-		 * been set in PIR before this function.
-		 *
-		 * Following cases will be reached in this block, and
-		 * we always send a notification event in all cases as
-		 * explained below.
-		 *
-		 * Case 1: vcpu keeps in non-root mode. Sending a
-		 * notification event posts the interrupt to vcpu.
-		 *
-		 * Case 2: vcpu exits to root mode and is still
-		 * runnable. PIR will be synced to vIRR before the
-		 * next vcpu entry. Sending a notification event in
-		 * this case has no effect, as vcpu is not in root
-		 * mode.
-		 *
-		 * Case 3: vcpu exits to root mode and is blocked.
-		 * vcpu_block() has already synced PIR to vIRR and
-		 * never blocks vcpu if vIRR is not cleared. Therefore,
-		 * a blocked vcpu here does not wait for any requested
-		 * interrupts in PIR, and sending a notification event
-		 * which has no effect is safe here.
-		 */
-
-		apic->send_IPI_mask(get_cpu_mask(vcpu->cpu), pi_vec);
-		return true;
-	}
-#endif
-	return false;
-}
-
-static int vmx_deliver_nested_posted_interrupt(struct kvm_vcpu *vcpu,
-						int vector)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-
-	if (is_guest_mode(vcpu) &&
-	    vector == vmx->nested.posted_intr_nv) {
-		/*
-		 * If a posted intr is not recognized by hardware,
-		 * we will accomplish it in the next vmentry.
-		 */
-		vmx->nested.pi_pending = true;
-		kvm_make_request(KVM_REQ_EVENT, vcpu);
-		/* the PIR and ON have been set by L1. */
-		if (!kvm_vcpu_trigger_posted_interrupt(vcpu, true))
-			kvm_vcpu_kick(vcpu);
-		return 0;
-	}
-	return -1;
-}
-/*
- * Send interrupt to vcpu via posted interrupt way.
- * 1. If target vcpu is running(non-root mode), send posted interrupt
- * notification to vcpu and hardware will sync PIR to vIRR atomically.
- * 2. If target vcpu isn't running(root mode), kick it to pick up the
- * interrupt from PIR in next vmentry.
- */
-static void vmx_deliver_posted_interrupt(struct kvm_vcpu *vcpu, int vector)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-	int r;
-
-	r = vmx_deliver_nested_posted_interrupt(vcpu, vector);
-	if (!r)
-		return;
-
-	if (pi_test_and_set_pir(vector, &vmx->pi_desc))
-		return;
-
-	/* If a previous notification has sent the IPI, nothing to do.  */
-	if (pi_test_and_set_on(&vmx->pi_desc))
-		return;
-
-	if (!kvm_vcpu_trigger_posted_interrupt(vcpu, false))
-		kvm_vcpu_kick(vcpu);
-}
-
-/*
- * Set up the vmcs's constant host-state fields, i.e., host-state fields that
- * will not change in the lifetime of the guest.
- * Note that host-state that does change is set elsewhere. E.g., host-state
- * that is set differently for each CPU is set in vmx_vcpu_load(), not here.
- */
-void vmx_set_constant_host_state(struct vcpu_vmx *vmx)
-{
-	u32 low32, high32;
-	unsigned long tmpl;
-	unsigned long cr0, cr3, cr4;
-
-	cr0 = read_cr0();
-	WARN_ON(cr0 & X86_CR0_TS);
-	vmcs_writel(HOST_CR0, cr0);  /* 22.2.3 */
-
-	/*
-	 * Save the most likely value for this task's CR3 in the VMCS.
-	 * We can't use __get_current_cr3_fast() because we're not atomic.
-	 */
-	cr3 = __read_cr3();
-	vmcs_writel(HOST_CR3, cr3);		/* 22.2.3  FIXME: shadow tables */
-	vmx->loaded_vmcs->host_state.cr3 = cr3;
-
-	/* Save the most likely value for this task's CR4 in the VMCS. */
-	cr4 = cr4_read_shadow();
-	vmcs_writel(HOST_CR4, cr4);			/* 22.2.3, 22.2.5 */
-	vmx->loaded_vmcs->host_state.cr4 = cr4;
-
-	vmcs_write16(HOST_CS_SELECTOR, __KERNEL_CS);  /* 22.2.4 */
-#ifdef CONFIG_X86_64
-	/*
-	 * Load null selectors, so we can avoid reloading them in
-	 * vmx_prepare_switch_to_host(), in case userspace uses
-	 * the null selectors too (the expected case).
-	 */
-	vmcs_write16(HOST_DS_SELECTOR, 0);
-	vmcs_write16(HOST_ES_SELECTOR, 0);
-#else
-	vmcs_write16(HOST_DS_SELECTOR, __KERNEL_DS);  /* 22.2.4 */
-	vmcs_write16(HOST_ES_SELECTOR, __KERNEL_DS);  /* 22.2.4 */
-#endif
-	vmcs_write16(HOST_SS_SELECTOR, __KERNEL_DS);  /* 22.2.4 */
-	vmcs_write16(HOST_TR_SELECTOR, GDT_ENTRY_TSS*8);  /* 22.2.4 */
-
-	vmcs_writel(HOST_IDTR_BASE, host_idt_base);   /* 22.2.4 */
-
-	vmcs_writel(HOST_RIP, (unsigned long)vmx_vmexit); /* 22.2.5 */
-
-	rdmsr(MSR_IA32_SYSENTER_CS, low32, high32);
-	vmcs_write32(HOST_IA32_SYSENTER_CS, low32);
-	rdmsrl(MSR_IA32_SYSENTER_EIP, tmpl);
-	vmcs_writel(HOST_IA32_SYSENTER_EIP, tmpl);   /* 22.2.3 */
-
-	if (vmcs_config.vmexit_ctrl & VM_EXIT_LOAD_IA32_PAT) {
-		rdmsr(MSR_IA32_CR_PAT, low32, high32);
-		vmcs_write64(HOST_IA32_PAT, low32 | ((u64) high32 << 32));
-	}
-
-	if (cpu_has_load_ia32_efer())
-		vmcs_write64(HOST_IA32_EFER, host_efer);
-}
-
-void set_cr4_guest_host_mask(struct vcpu_vmx *vmx)
-{
-	vmx->vcpu.arch.cr4_guest_owned_bits = KVM_CR4_GUEST_OWNED_BITS;
-	if (enable_ept)
-		vmx->vcpu.arch.cr4_guest_owned_bits |= X86_CR4_PGE;
-	if (is_guest_mode(&vmx->vcpu))
-		vmx->vcpu.arch.cr4_guest_owned_bits &=
-			~get_vmcs12(&vmx->vcpu)->cr4_guest_host_mask;
-	vmcs_writel(CR4_GUEST_HOST_MASK, ~vmx->vcpu.arch.cr4_guest_owned_bits);
-}
-
-u32 vmx_pin_based_exec_ctrl(struct vcpu_vmx *vmx)
-{
-	u32 pin_based_exec_ctrl = vmcs_config.pin_based_exec_ctrl;
-
-	if (!kvm_vcpu_apicv_active(&vmx->vcpu))
-		pin_based_exec_ctrl &= ~PIN_BASED_POSTED_INTR;
-
-	if (!enable_vnmi)
-		pin_based_exec_ctrl &= ~PIN_BASED_VIRTUAL_NMIS;
-
-	if (!enable_preemption_timer)
-		pin_based_exec_ctrl &= ~PIN_BASED_VMX_PREEMPTION_TIMER;
-
-	return pin_based_exec_ctrl;
-}
-
-static void vmx_refresh_apicv_exec_ctrl(struct kvm_vcpu *vcpu)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-
-	pin_controls_set(vmx, vmx_pin_based_exec_ctrl(vmx));
-	if (cpu_has_secondary_exec_ctrls()) {
-		if (kvm_vcpu_apicv_active(vcpu))
-			secondary_exec_controls_setbit(vmx,
-				      SECONDARY_EXEC_APIC_REGISTER_VIRT |
-				      SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY);
-		else
-			secondary_exec_controls_clearbit(vmx,
-					SECONDARY_EXEC_APIC_REGISTER_VIRT |
-					SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY);
-	}
-
-	if (cpu_has_vmx_msr_bitmap())
-		vmx_update_msr_bitmap(vcpu);
-}
-
-u32 vmx_exec_control(struct vcpu_vmx *vmx)
-{
-	u32 exec_control = vmcs_config.cpu_based_exec_ctrl;
-
-	if (vmx->vcpu.arch.switch_db_regs & KVM_DEBUGREG_WONT_EXIT)
-		exec_control &= ~CPU_BASED_MOV_DR_EXITING;
-
-	if (!cpu_need_tpr_shadow(&vmx->vcpu)) {
-		exec_control &= ~CPU_BASED_TPR_SHADOW;
-#ifdef CONFIG_X86_64
-		exec_control |= CPU_BASED_CR8_STORE_EXITING |
-				CPU_BASED_CR8_LOAD_EXITING;
-#endif
-	}
-	if (!enable_ept)
-		exec_control |= CPU_BASED_CR3_STORE_EXITING |
-				CPU_BASED_CR3_LOAD_EXITING  |
-				CPU_BASED_INVLPG_EXITING;
-	if (kvm_mwait_in_guest(vmx->vcpu.kvm))
-		exec_control &= ~(CPU_BASED_MWAIT_EXITING |
-				CPU_BASED_MONITOR_EXITING);
-	if (kvm_hlt_in_guest(vmx->vcpu.kvm))
-		exec_control &= ~CPU_BASED_HLT_EXITING;
-	return exec_control;
-}
-
-
-static void vmx_compute_secondary_exec_control(struct vcpu_vmx *vmx)
-{
-	struct kvm_vcpu *vcpu = &vmx->vcpu;
-
-	u32 exec_control = vmcs_config.cpu_based_2nd_exec_ctrl;
-
-	if (pt_mode == PT_MODE_SYSTEM)
-		exec_control &= ~(SECONDARY_EXEC_PT_USE_GPA | SECONDARY_EXEC_PT_CONCEAL_VMX);
-	if (!cpu_need_virtualize_apic_accesses(vcpu))
-		exec_control &= ~SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES;
-	if (vmx->vpid == 0)
-		exec_control &= ~SECONDARY_EXEC_ENABLE_VPID;
-	if (!enable_ept) {
-		exec_control &= ~SECONDARY_EXEC_ENABLE_EPT;
-		enable_unrestricted_guest = 0;
-	}
-	if (!enable_unrestricted_guest)
-		exec_control &= ~SECONDARY_EXEC_UNRESTRICTED_GUEST;
-	if (kvm_pause_in_guest(vmx->vcpu.kvm))
-		exec_control &= ~SECONDARY_EXEC_PAUSE_LOOP_EXITING;
-	if (!kvm_vcpu_apicv_active(vcpu))
-		exec_control &= ~(SECONDARY_EXEC_APIC_REGISTER_VIRT |
-				  SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY);
-	exec_control &= ~SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE;
-
-	/* SECONDARY_EXEC_DESC is enabled/disabled on writes to CR4.UMIP,
-	 * in vmx_set_cr4.  */
-	exec_control &= ~SECONDARY_EXEC_DESC;
-
-	/* SECONDARY_EXEC_SHADOW_VMCS is enabled when L1 executes VMPTRLD
-	   (handle_vmptrld).
-	   We can NOT enable shadow_vmcs here because we don't have yet
-	   a current VMCS12
-	*/
-	exec_control &= ~SECONDARY_EXEC_SHADOW_VMCS;
-
-	if (!enable_pml)
-		exec_control &= ~SECONDARY_EXEC_ENABLE_PML;
-
-	if (vmx_xsaves_supported()) {
-		/* Exposing XSAVES only when XSAVE is exposed */
-		bool xsaves_enabled =
-			guest_cpuid_has(vcpu, X86_FEATURE_XSAVE) &&
-			guest_cpuid_has(vcpu, X86_FEATURE_XSAVES);
-
-		vcpu->arch.xsaves_enabled = xsaves_enabled;
-
-		if (!xsaves_enabled)
-			exec_control &= ~SECONDARY_EXEC_XSAVES;
-
-		if (nested) {
-			if (xsaves_enabled)
-				vmx->nested.msrs.secondary_ctls_high |=
-					SECONDARY_EXEC_XSAVES;
-			else
-				vmx->nested.msrs.secondary_ctls_high &=
-					~SECONDARY_EXEC_XSAVES;
-		}
-	}
-
-	if (vmx_rdtscp_supported()) {
-		bool rdtscp_enabled = guest_cpuid_has(vcpu, X86_FEATURE_RDTSCP);
-		if (!rdtscp_enabled)
-			exec_control &= ~SECONDARY_EXEC_RDTSCP;
-
-		if (nested) {
-			if (rdtscp_enabled)
-				vmx->nested.msrs.secondary_ctls_high |=
-					SECONDARY_EXEC_RDTSCP;
-			else
-				vmx->nested.msrs.secondary_ctls_high &=
-					~SECONDARY_EXEC_RDTSCP;
-		}
-	}
-
-	if (vmx_invpcid_supported()) {
-		/* Exposing INVPCID only when PCID is exposed */
-		bool invpcid_enabled =
-			guest_cpuid_has(vcpu, X86_FEATURE_INVPCID) &&
-			guest_cpuid_has(vcpu, X86_FEATURE_PCID);
-
-		if (!invpcid_enabled) {
-			exec_control &= ~SECONDARY_EXEC_ENABLE_INVPCID;
-			guest_cpuid_clear(vcpu, X86_FEATURE_INVPCID);
-		}
-
-		if (nested) {
-			if (invpcid_enabled)
-				vmx->nested.msrs.secondary_ctls_high |=
-					SECONDARY_EXEC_ENABLE_INVPCID;
-			else
-				vmx->nested.msrs.secondary_ctls_high &=
-					~SECONDARY_EXEC_ENABLE_INVPCID;
-		}
-	}
-
-	if (vmx_rdrand_supported()) {
-		bool rdrand_enabled = guest_cpuid_has(vcpu, X86_FEATURE_RDRAND);
-		if (rdrand_enabled)
-			exec_control &= ~SECONDARY_EXEC_RDRAND_EXITING;
-
-		if (nested) {
-			if (rdrand_enabled)
-				vmx->nested.msrs.secondary_ctls_high |=
-					SECONDARY_EXEC_RDRAND_EXITING;
-			else
-				vmx->nested.msrs.secondary_ctls_high &=
-					~SECONDARY_EXEC_RDRAND_EXITING;
-		}
-	}
-
-	if (vmx_rdseed_supported()) {
-		bool rdseed_enabled = guest_cpuid_has(vcpu, X86_FEATURE_RDSEED);
-		if (rdseed_enabled)
-			exec_control &= ~SECONDARY_EXEC_RDSEED_EXITING;
-
-		if (nested) {
-			if (rdseed_enabled)
-				vmx->nested.msrs.secondary_ctls_high |=
-					SECONDARY_EXEC_RDSEED_EXITING;
-			else
-				vmx->nested.msrs.secondary_ctls_high &=
-					~SECONDARY_EXEC_RDSEED_EXITING;
-		}
-	}
-
-	if (vmx_waitpkg_supported()) {
-		bool waitpkg_enabled =
-			guest_cpuid_has(vcpu, X86_FEATURE_WAITPKG);
-
-		if (!waitpkg_enabled)
-			exec_control &= ~SECONDARY_EXEC_ENABLE_USR_WAIT_PAUSE;
-
-		if (nested) {
-			if (waitpkg_enabled)
-				vmx->nested.msrs.secondary_ctls_high |=
-					SECONDARY_EXEC_ENABLE_USR_WAIT_PAUSE;
-			else
-				vmx->nested.msrs.secondary_ctls_high &=
-					~SECONDARY_EXEC_ENABLE_USR_WAIT_PAUSE;
-		}
-	}
-
-	vmx->secondary_exec_control = exec_control;
-}
-
-static void ept_set_mmio_spte_mask(void)
-{
-	/*
-	 * EPT Misconfigurations can be generated if the value of bits 2:0
-	 * of an EPT paging-structure entry is 110b (write/execute).
-	 */
-	kvm_mmu_set_mmio_spte_mask(VMX_EPT_RWX_MASK,
-				   VMX_EPT_MISCONFIG_WX_VALUE, 0);
-}
-
-#define VMX_XSS_EXIT_BITMAP 0
-
-/*
- * Noting that the initialization of Guest-state Area of VMCS is in
- * vmx_vcpu_reset().
- */
-static void init_vmcs(struct vcpu_vmx *vmx)
-{
-	if (nested)
-		nested_vmx_set_vmcs_shadowing_bitmap();
-
-	if (cpu_has_vmx_msr_bitmap())
-		vmcs_write64(MSR_BITMAP, __pa(vmx->vmcs01.msr_bitmap));
-
-	vmcs_write64(VMCS_LINK_POINTER, -1ull); /* 22.3.1.5 */
-
-	/* Control */
-	pin_controls_set(vmx, vmx_pin_based_exec_ctrl(vmx));
-
-	exec_controls_set(vmx, vmx_exec_control(vmx));
-
-	if (cpu_has_secondary_exec_ctrls()) {
-		vmx_compute_secondary_exec_control(vmx);
-		secondary_exec_controls_set(vmx, vmx->secondary_exec_control);
-	}
-
-	if (kvm_vcpu_apicv_active(&vmx->vcpu)) {
-		vmcs_write64(EOI_EXIT_BITMAP0, 0);
-		vmcs_write64(EOI_EXIT_BITMAP1, 0);
-		vmcs_write64(EOI_EXIT_BITMAP2, 0);
-		vmcs_write64(EOI_EXIT_BITMAP3, 0);
-
-		vmcs_write16(GUEST_INTR_STATUS, 0);
-
-		vmcs_write16(POSTED_INTR_NV, POSTED_INTR_VECTOR);
-		vmcs_write64(POSTED_INTR_DESC_ADDR, __pa((&vmx->pi_desc)));
-	}
-
-	if (!kvm_pause_in_guest(vmx->vcpu.kvm)) {
-		vmcs_write32(PLE_GAP, ple_gap);
-		vmx->ple_window = ple_window;
-		vmx->ple_window_dirty = true;
-	}
-
-	vmcs_write32(PAGE_FAULT_ERROR_CODE_MASK, 0);
-	vmcs_write32(PAGE_FAULT_ERROR_CODE_MATCH, 0);
-	vmcs_write32(CR3_TARGET_COUNT, 0);           /* 22.2.1 */
-
-	vmcs_write16(HOST_FS_SELECTOR, 0);            /* 22.2.4 */
-	vmcs_write16(HOST_GS_SELECTOR, 0);            /* 22.2.4 */
-	vmx_set_constant_host_state(vmx);
-	vmcs_writel(HOST_FS_BASE, 0); /* 22.2.4 */
-	vmcs_writel(HOST_GS_BASE, 0); /* 22.2.4 */
-
-	if (cpu_has_vmx_vmfunc())
-		vmcs_write64(VM_FUNCTION_CONTROL, 0);
-
-	vmcs_write32(VM_EXIT_MSR_STORE_COUNT, 0);
-	vmcs_write32(VM_EXIT_MSR_LOAD_COUNT, 0);
-	vmcs_write64(VM_EXIT_MSR_LOAD_ADDR, __pa(vmx->msr_autoload.host.val));
-	vmcs_write32(VM_ENTRY_MSR_LOAD_COUNT, 0);
-	vmcs_write64(VM_ENTRY_MSR_LOAD_ADDR, __pa(vmx->msr_autoload.guest.val));
-
-	if (vmcs_config.vmentry_ctrl & VM_ENTRY_LOAD_IA32_PAT)
-		vmcs_write64(GUEST_IA32_PAT, vmx->vcpu.arch.pat);
-
-	vm_exit_controls_set(vmx, vmx_vmexit_ctrl());
-
-	/* 22.2.1, 20.8.1 */
-	vm_entry_controls_set(vmx, vmx_vmentry_ctrl());
-
-	vmx->vcpu.arch.cr0_guest_owned_bits = X86_CR0_TS;
-	vmcs_writel(CR0_GUEST_HOST_MASK, ~X86_CR0_TS);
-
-	set_cr4_guest_host_mask(vmx);
-
-	if (vmx->vpid != 0)
-		vmcs_write16(VIRTUAL_PROCESSOR_ID, vmx->vpid);
-
-	if (vmx_xsaves_supported())
-		vmcs_write64(XSS_EXIT_BITMAP, VMX_XSS_EXIT_BITMAP);
-
-	if (enable_pml) {
-		vmcs_write64(PML_ADDRESS, page_to_phys(vmx->pml_pg));
-		vmcs_write16(GUEST_PML_INDEX, PML_ENTITY_NUM - 1);
-	}
-
-	if (cpu_has_vmx_encls_vmexit())
-		vmcs_write64(ENCLS_EXITING_BITMAP, -1ull);
-
-	if (pt_mode == PT_MODE_HOST_GUEST) {
-		memset(&vmx->pt_desc, 0, sizeof(vmx->pt_desc));
-		/* Bit[6~0] are forced to 1, writes are ignored. */
-		vmx->pt_desc.guest.output_mask = 0x7F;
-		vmcs_write64(GUEST_IA32_RTIT_CTL, 0);
-	}
-}
-
-static void vmx_vcpu_reset(struct kvm_vcpu *vcpu, bool init_event)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-	struct msr_data apic_base_msr;
-	u64 cr0;
-
-	vmx->rmode.vm86_active = 0;
-	vmx->spec_ctrl = 0;
-
-	vmx->msr_ia32_umwait_control = 0;
-
-	vcpu->arch.microcode_version = 0x100000000ULL;
-	vmx->vcpu.arch.regs[VCPU_REGS_RDX] = get_rdx_init_val();
-	vmx->hv_deadline_tsc = -1;
-	kvm_set_cr8(vcpu, 0);
-
-	if (!init_event) {
-		apic_base_msr.data = APIC_DEFAULT_PHYS_BASE |
-				     MSR_IA32_APICBASE_ENABLE;
-		if (kvm_vcpu_is_reset_bsp(vcpu))
-			apic_base_msr.data |= MSR_IA32_APICBASE_BSP;
-		apic_base_msr.host_initiated = true;
-		kvm_set_apic_base(vcpu, &apic_base_msr);
-	}
-
-	vmx_segment_cache_clear(vmx);
-
-	seg_setup(VCPU_SREG_CS);
-	vmcs_write16(GUEST_CS_SELECTOR, 0xf000);
-	vmcs_writel(GUEST_CS_BASE, 0xffff0000ul);
-
-	seg_setup(VCPU_SREG_DS);
-	seg_setup(VCPU_SREG_ES);
-	seg_setup(VCPU_SREG_FS);
-	seg_setup(VCPU_SREG_GS);
-	seg_setup(VCPU_SREG_SS);
-
-	vmcs_write16(GUEST_TR_SELECTOR, 0);
-	vmcs_writel(GUEST_TR_BASE, 0);
-	vmcs_write32(GUEST_TR_LIMIT, 0xffff);
-	vmcs_write32(GUEST_TR_AR_BYTES, 0x008b);
-
-	vmcs_write16(GUEST_LDTR_SELECTOR, 0);
-	vmcs_writel(GUEST_LDTR_BASE, 0);
-	vmcs_write32(GUEST_LDTR_LIMIT, 0xffff);
-	vmcs_write32(GUEST_LDTR_AR_BYTES, 0x00082);
-
-	if (!init_event) {
-		vmcs_write32(GUEST_SYSENTER_CS, 0);
-		vmcs_writel(GUEST_SYSENTER_ESP, 0);
-		vmcs_writel(GUEST_SYSENTER_EIP, 0);
-		vmcs_write64(GUEST_IA32_DEBUGCTL, 0);
-	}
-
-	kvm_set_rflags(vcpu, X86_EFLAGS_FIXED);
-	kvm_rip_write(vcpu, 0xfff0);
-
-	vmcs_writel(GUEST_GDTR_BASE, 0);
-	vmcs_write32(GUEST_GDTR_LIMIT, 0xffff);
-
-	vmcs_writel(GUEST_IDTR_BASE, 0);
-	vmcs_write32(GUEST_IDTR_LIMIT, 0xffff);
-
-	vmcs_write32(GUEST_ACTIVITY_STATE, GUEST_ACTIVITY_ACTIVE);
-	vmcs_write32(GUEST_INTERRUPTIBILITY_INFO, 0);
-	vmcs_writel(GUEST_PENDING_DBG_EXCEPTIONS, 0);
-	if (kvm_mpx_supported())
-		vmcs_write64(GUEST_BNDCFGS, 0);
-
-	setup_msrs(vmx);
-
-	vmcs_write32(VM_ENTRY_INTR_INFO_FIELD, 0);  /* 22.2.1 */
-
-	if (cpu_has_vmx_tpr_shadow() && !init_event) {
-		vmcs_write64(VIRTUAL_APIC_PAGE_ADDR, 0);
-		if (cpu_need_tpr_shadow(vcpu))
-			vmcs_write64(VIRTUAL_APIC_PAGE_ADDR,
-				     __pa(vcpu->arch.apic->regs));
-		vmcs_write32(TPR_THRESHOLD, 0);
-	}
-
-	kvm_make_request(KVM_REQ_APIC_PAGE_RELOAD, vcpu);
-
-	cr0 = X86_CR0_NW | X86_CR0_CD | X86_CR0_ET;
-	vmx->vcpu.arch.cr0 = cr0;
-	vmx_set_cr0(vcpu, cr0); /* enter rmode */
-	vmx_set_cr4(vcpu, 0);
-	vmx_set_efer(vcpu, 0);
-
-	update_exception_bitmap(vcpu);
-
-	vpid_sync_context(vmx->vpid);
-	if (init_event)
-		vmx_clear_hlt(vcpu);
-}
-
-static void enable_irq_window(struct kvm_vcpu *vcpu)
-{
-	exec_controls_setbit(to_vmx(vcpu), CPU_BASED_INTR_WINDOW_EXITING);
-}
-
-static void enable_nmi_window(struct kvm_vcpu *vcpu)
-{
-	if (!enable_vnmi ||
-	    vmcs_read32(GUEST_INTERRUPTIBILITY_INFO) & GUEST_INTR_STATE_STI) {
-		enable_irq_window(vcpu);
-		return;
-	}
-
-	exec_controls_setbit(to_vmx(vcpu), CPU_BASED_NMI_WINDOW_EXITING);
-}
-
-static void vmx_inject_irq(struct kvm_vcpu *vcpu)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-	uint32_t intr;
-	int irq = vcpu->arch.interrupt.nr;
-
-	trace_kvm_inj_virq(irq);
-
-	++vcpu->stat.irq_injections;
-	if (vmx->rmode.vm86_active) {
-		int inc_eip = 0;
-		if (vcpu->arch.interrupt.soft)
-			inc_eip = vcpu->arch.event_exit_inst_len;
-		kvm_inject_realmode_interrupt(vcpu, irq, inc_eip);
-		return;
-	}
-	intr = irq | INTR_INFO_VALID_MASK;
-	if (vcpu->arch.interrupt.soft) {
-		intr |= INTR_TYPE_SOFT_INTR;
-		vmcs_write32(VM_ENTRY_INSTRUCTION_LEN,
-			     vmx->vcpu.arch.event_exit_inst_len);
-	} else
-		intr |= INTR_TYPE_EXT_INTR;
-	vmcs_write32(VM_ENTRY_INTR_INFO_FIELD, intr);
-
-	vmx_clear_hlt(vcpu);
-}
-
-static void vmx_inject_nmi(struct kvm_vcpu *vcpu)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-
-	if (!enable_vnmi) {
-		/*
-		 * Tracking the NMI-blocked state in software is built upon
-		 * finding the next open IRQ window. This, in turn, depends on
-		 * well-behaving guests: They have to keep IRQs disabled at
-		 * least as long as the NMI handler runs. Otherwise we may
-		 * cause NMI nesting, maybe breaking the guest. But as this is
-		 * highly unlikely, we can live with the residual risk.
-		 */
-		vmx->loaded_vmcs->soft_vnmi_blocked = 1;
-		vmx->loaded_vmcs->vnmi_blocked_time = 0;
-	}
-
-	++vcpu->stat.nmi_injections;
-	vmx->loaded_vmcs->nmi_known_unmasked = false;
-
-	if (vmx->rmode.vm86_active) {
-		kvm_inject_realmode_interrupt(vcpu, NMI_VECTOR, 0);
-		return;
-	}
-
-	vmcs_write32(VM_ENTRY_INTR_INFO_FIELD,
-			INTR_TYPE_NMI_INTR | INTR_INFO_VALID_MASK | NMI_VECTOR);
-
-	vmx_clear_hlt(vcpu);
-}
-
-bool vmx_get_nmi_mask(struct kvm_vcpu *vcpu)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-	bool masked;
-
-	if (!enable_vnmi)
-		return vmx->loaded_vmcs->soft_vnmi_blocked;
-	if (vmx->loaded_vmcs->nmi_known_unmasked)
-		return false;
-	masked = vmcs_read32(GUEST_INTERRUPTIBILITY_INFO) & GUEST_INTR_STATE_NMI;
-	vmx->loaded_vmcs->nmi_known_unmasked = !masked;
-	return masked;
-}
-
-void vmx_set_nmi_mask(struct kvm_vcpu *vcpu, bool masked)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-
-	if (!enable_vnmi) {
-		if (vmx->loaded_vmcs->soft_vnmi_blocked != masked) {
-			vmx->loaded_vmcs->soft_vnmi_blocked = masked;
-			vmx->loaded_vmcs->vnmi_blocked_time = 0;
-		}
-	} else {
-		vmx->loaded_vmcs->nmi_known_unmasked = !masked;
-		if (masked)
-			vmcs_set_bits(GUEST_INTERRUPTIBILITY_INFO,
-				      GUEST_INTR_STATE_NMI);
-		else
-			vmcs_clear_bits(GUEST_INTERRUPTIBILITY_INFO,
-					GUEST_INTR_STATE_NMI);
-	}
-}
-
-static int vmx_nmi_allowed(struct kvm_vcpu *vcpu)
-{
-	if (to_vmx(vcpu)->nested.nested_run_pending)
-		return 0;
-
-	if (!enable_vnmi &&
-	    to_vmx(vcpu)->loaded_vmcs->soft_vnmi_blocked)
-		return 0;
-
-	return	!(vmcs_read32(GUEST_INTERRUPTIBILITY_INFO) &
-		  (GUEST_INTR_STATE_MOV_SS | GUEST_INTR_STATE_STI
-		   | GUEST_INTR_STATE_NMI));
-}
-
-static int vmx_interrupt_allowed(struct kvm_vcpu *vcpu)
-{
-	return (!to_vmx(vcpu)->nested.nested_run_pending &&
-		vmcs_readl(GUEST_RFLAGS) & X86_EFLAGS_IF) &&
-		!(vmcs_read32(GUEST_INTERRUPTIBILITY_INFO) &
-			(GUEST_INTR_STATE_STI | GUEST_INTR_STATE_MOV_SS));
-}
-
-static int vmx_set_tss_addr(struct kvm *kvm, unsigned int addr)
-{
-	int ret;
-
-	if (enable_unrestricted_guest)
-		return 0;
-
-	ret = x86_set_memory_region(kvm, TSS_PRIVATE_MEMSLOT, addr,
-				    PAGE_SIZE * 3);
-	if (ret)
-		return ret;
-	to_kvm_vmx(kvm)->tss_addr = addr;
-	return init_rmode_tss(kvm);
-}
-
-static int vmx_set_identity_map_addr(struct kvm *kvm, u64 ident_addr)
-{
-	to_kvm_vmx(kvm)->ept_identity_map_addr = ident_addr;
-	return 0;
-}
-
-static bool rmode_exception(struct kvm_vcpu *vcpu, int vec)
-{
-	switch (vec) {
-	case BP_VECTOR:
-		/*
-		 * Update instruction length as we may reinject the exception
-		 * from user space while in guest debugging mode.
-		 */
-		to_vmx(vcpu)->vcpu.arch.event_exit_inst_len =
-			vmcs_read32(VM_EXIT_INSTRUCTION_LEN);
-		if (vcpu->guest_debug & KVM_GUESTDBG_USE_SW_BP)
-			return false;
-		/* fall through */
-	case DB_VECTOR:
-		if (vcpu->guest_debug &
-			(KVM_GUESTDBG_SINGLESTEP | KVM_GUESTDBG_USE_HW_BP))
-			return false;
-		/* fall through */
-	case DE_VECTOR:
-	case OF_VECTOR:
-	case BR_VECTOR:
-	case UD_VECTOR:
-	case DF_VECTOR:
-	case SS_VECTOR:
-	case GP_VECTOR:
-	case MF_VECTOR:
-		return true;
-	break;
-	}
-	return false;
-}
-
-static int handle_rmode_exception(struct kvm_vcpu *vcpu,
-				  int vec, u32 err_code)
-{
-	/*
-	 * Instruction with address size override prefix opcode 0x67
-	 * Cause the #SS fault with 0 error code in VM86 mode.
-	 */
-	if (((vec == GP_VECTOR) || (vec == SS_VECTOR)) && err_code == 0) {
-		if (kvm_emulate_instruction(vcpu, 0)) {
-			if (vcpu->arch.halt_request) {
-				vcpu->arch.halt_request = 0;
-				return kvm_vcpu_halt(vcpu);
-			}
-			return 1;
-		}
-		return 0;
-	}
-
-	/*
-	 * Forward all other exceptions that are valid in real mode.
-	 * FIXME: Breaks guest debugging in real mode, needs to be fixed with
-	 *        the required debugging infrastructure rework.
-	 */
-	kvm_queue_exception(vcpu, vec);
-	return 1;
-}
-
-/*
- * Trigger machine check on the host. We assume all the MSRs are already set up
- * by the CPU and that we still run on the same CPU as the MCE occurred on.
- * We pass a fake environment to the machine check handler because we want
- * the guest to be always treated like user space, no matter what context
- * it used internally.
- */
-static void kvm_machine_check(void)
-{
-#if defined(CONFIG_X86_MCE) && defined(CONFIG_X86_64)
-	struct pt_regs regs = {
-		.cs = 3, /* Fake ring 3 no matter what the guest ran on */
-		.flags = X86_EFLAGS_IF,
-	};
-
-	do_machine_check(&regs, 0);
-#endif
-}
-
-static int handle_machine_check(struct kvm_vcpu *vcpu)
-{
-	/* handled by vmx_vcpu_run() */
-	return 1;
-}
-
-static int handle_exception_nmi(struct kvm_vcpu *vcpu)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-	struct kvm_run *kvm_run = vcpu->run;
-	u32 intr_info, ex_no, error_code;
-	unsigned long cr2, rip, dr6;
-	u32 vect_info;
-
-	vect_info = vmx->idt_vectoring_info;
-	intr_info = vmx->exit_intr_info;
-
-	if (is_machine_check(intr_info) || is_nmi(intr_info))
-		return 1; /* handled by handle_exception_nmi_irqoff() */
-
-	if (is_invalid_opcode(intr_info))
-		return handle_ud(vcpu);
-
-	error_code = 0;
-	if (intr_info & INTR_INFO_DELIVER_CODE_MASK)
-		error_code = vmcs_read32(VM_EXIT_INTR_ERROR_CODE);
-
-	if (!vmx->rmode.vm86_active && is_gp_fault(intr_info)) {
-		WARN_ON_ONCE(!enable_vmware_backdoor);
-
-		/*
-		 * VMware backdoor emulation on #GP interception only handles
-		 * IN{S}, OUT{S}, and RDPMC, none of which generate a non-zero
-		 * error code on #GP.
-		 */
-		if (error_code) {
-			kvm_queue_exception_e(vcpu, GP_VECTOR, error_code);
-			return 1;
-		}
-		return kvm_emulate_instruction(vcpu, EMULTYPE_VMWARE_GP);
-	}
-
-	/*
-	 * The #PF with PFEC.RSVD = 1 indicates the guest is accessing
-	 * MMIO, it is better to report an internal error.
-	 * See the comments in vmx_handle_exit.
-	 */
-	if ((vect_info & VECTORING_INFO_VALID_MASK) &&
-	    !(is_page_fault(intr_info) && !(error_code & PFERR_RSVD_MASK))) {
-		vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
-		vcpu->run->internal.suberror = KVM_INTERNAL_ERROR_SIMUL_EX;
-		vcpu->run->internal.ndata = 3;
-		vcpu->run->internal.data[0] = vect_info;
-		vcpu->run->internal.data[1] = intr_info;
-		vcpu->run->internal.data[2] = error_code;
-		return 0;
-	}
-
-	if (is_page_fault(intr_info)) {
-		cr2 = vmcs_readl(EXIT_QUALIFICATION);
-		/* EPT won't cause page fault directly */
-		WARN_ON_ONCE(!vcpu->arch.apf.host_apf_reason && enable_ept);
-		return kvm_handle_page_fault(vcpu, error_code, cr2, NULL, 0);
-	}
-
-	ex_no = intr_info & INTR_INFO_VECTOR_MASK;
-
-	if (vmx->rmode.vm86_active && rmode_exception(vcpu, ex_no))
-		return handle_rmode_exception(vcpu, ex_no, error_code);
-
-	switch (ex_no) {
-	case AC_VECTOR:
-		kvm_queue_exception_e(vcpu, AC_VECTOR, error_code);
-		return 1;
-	case DB_VECTOR:
-		dr6 = vmcs_readl(EXIT_QUALIFICATION);
-		if (!(vcpu->guest_debug &
-		      (KVM_GUESTDBG_SINGLESTEP | KVM_GUESTDBG_USE_HW_BP))) {
-			vcpu->arch.dr6 &= ~DR_TRAP_BITS;
-			vcpu->arch.dr6 |= dr6 | DR6_RTM;
-			if (is_icebp(intr_info))
-				WARN_ON(!skip_emulated_instruction(vcpu));
-
-			kvm_queue_exception(vcpu, DB_VECTOR);
-			return 1;
-		}
-		kvm_run->debug.arch.dr6 = dr6 | DR6_FIXED_1;
-		kvm_run->debug.arch.dr7 = vmcs_readl(GUEST_DR7);
-		/* fall through */
-	case BP_VECTOR:
-		/*
-		 * Update instruction length as we may reinject #BP from
-		 * user space while in guest debugging mode. Reading it for
-		 * #DB as well causes no harm, it is not used in that case.
-		 */
-		vmx->vcpu.arch.event_exit_inst_len =
-			vmcs_read32(VM_EXIT_INSTRUCTION_LEN);
-		kvm_run->exit_reason = KVM_EXIT_DEBUG;
-		rip = kvm_rip_read(vcpu);
-		kvm_run->debug.arch.pc = vmcs_readl(GUEST_CS_BASE) + rip;
-		kvm_run->debug.arch.exception = ex_no;
-		break;
-	default:
-		kvm_run->exit_reason = KVM_EXIT_EXCEPTION;
-		kvm_run->ex.exception = ex_no;
-		kvm_run->ex.error_code = error_code;
-		break;
-	}
-	return 0;
-}
-
-static __always_inline int handle_external_interrupt(struct kvm_vcpu *vcpu)
-{
-	++vcpu->stat.irq_exits;
-	return 1;
-}
-
-static int handle_triple_fault(struct kvm_vcpu *vcpu)
-{
-	vcpu->run->exit_reason = KVM_EXIT_SHUTDOWN;
-	vcpu->mmio_needed = 0;
-	return 0;
-}
-
-static int handle_io(struct kvm_vcpu *vcpu)
-{
-	unsigned long exit_qualification;
-	int size, in, string;
-	unsigned port;
-
-	exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
-	string = (exit_qualification & 16) != 0;
-
-	++vcpu->stat.io_exits;
-
-	if (string)
-		return kvm_emulate_instruction(vcpu, 0);
-
-	port = exit_qualification >> 16;
-	size = (exit_qualification & 7) + 1;
-	in = (exit_qualification & 8) != 0;
-
-	return kvm_fast_pio(vcpu, size, port, in);
-}
-
-static void
-vmx_patch_hypercall(struct kvm_vcpu *vcpu, unsigned char *hypercall)
-{
-	/*
-	 * Patch in the VMCALL instruction:
-	 */
-	hypercall[0] = 0x0f;
-	hypercall[1] = 0x01;
-	hypercall[2] = 0xc1;
-}
-
-/* called to set cr0 as appropriate for a mov-to-cr0 exit. */
-static int handle_set_cr0(struct kvm_vcpu *vcpu, unsigned long val)
-{
-	if (is_guest_mode(vcpu)) {
-		struct vmcs12 *vmcs12 = get_vmcs12(vcpu);
-		unsigned long orig_val = val;
-
-		/*
-		 * We get here when L2 changed cr0 in a way that did not change
-		 * any of L1's shadowed bits (see nested_vmx_exit_handled_cr),
-		 * but did change L0 shadowed bits. So we first calculate the
-		 * effective cr0 value that L1 would like to write into the
-		 * hardware. It consists of the L2-owned bits from the new
-		 * value combined with the L1-owned bits from L1's guest_cr0.
-		 */
-		val = (val & ~vmcs12->cr0_guest_host_mask) |
-			(vmcs12->guest_cr0 & vmcs12->cr0_guest_host_mask);
-
-		if (!nested_guest_cr0_valid(vcpu, val))
-			return 1;
-
-		if (kvm_set_cr0(vcpu, val))
-			return 1;
-		vmcs_writel(CR0_READ_SHADOW, orig_val);
-		return 0;
-	} else {
-		if (to_vmx(vcpu)->nested.vmxon &&
-		    !nested_host_cr0_valid(vcpu, val))
-			return 1;
-
-		return kvm_set_cr0(vcpu, val);
-	}
-}
-
-static int handle_set_cr4(struct kvm_vcpu *vcpu, unsigned long val)
-{
-	if (is_guest_mode(vcpu)) {
-		struct vmcs12 *vmcs12 = get_vmcs12(vcpu);
-		unsigned long orig_val = val;
-
-		/* analogously to handle_set_cr0 */
-		val = (val & ~vmcs12->cr4_guest_host_mask) |
-			(vmcs12->guest_cr4 & vmcs12->cr4_guest_host_mask);
-		if (kvm_set_cr4(vcpu, val))
-			return 1;
-		vmcs_writel(CR4_READ_SHADOW, orig_val);
-		return 0;
-	} else
-		return kvm_set_cr4(vcpu, val);
-}
-
-static int handle_desc(struct kvm_vcpu *vcpu)
-{
-	WARN_ON(!(vcpu->arch.cr4 & X86_CR4_UMIP));
-	return kvm_emulate_instruction(vcpu, 0);
-}
-
-static int handle_cr(struct kvm_vcpu *vcpu)
-{
-	unsigned long exit_qualification, val;
-	int cr;
-	int reg;
-	int err;
-	int ret;
-
-	exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
-	cr = exit_qualification & 15;
-	reg = (exit_qualification >> 8) & 15;
-	switch ((exit_qualification >> 4) & 3) {
-	case 0: /* mov to cr */
-		val = kvm_register_readl(vcpu, reg);
-		trace_kvm_cr_write(cr, val);
-		switch (cr) {
-		case 0:
-			err = handle_set_cr0(vcpu, val);
-			return kvm_complete_insn_gp(vcpu, err);
-		case 3:
-			WARN_ON_ONCE(enable_unrestricted_guest);
-			err = kvm_set_cr3(vcpu, val);
-			return kvm_complete_insn_gp(vcpu, err);
-		case 4:
-			err = handle_set_cr4(vcpu, val);
-			return kvm_complete_insn_gp(vcpu, err);
-		case 8: {
-				u8 cr8_prev = kvm_get_cr8(vcpu);
-				u8 cr8 = (u8)val;
-				err = kvm_set_cr8(vcpu, cr8);
-				ret = kvm_complete_insn_gp(vcpu, err);
-				if (lapic_in_kernel(vcpu))
-					return ret;
-				if (cr8_prev <= cr8)
-					return ret;
-				/*
-				 * TODO: we might be squashing a
-				 * KVM_GUESTDBG_SINGLESTEP-triggered
-				 * KVM_EXIT_DEBUG here.
-				 */
-				vcpu->run->exit_reason = KVM_EXIT_SET_TPR;
-				return 0;
-			}
-		}
-		break;
-	case 2: /* clts */
-		WARN_ONCE(1, "Guest should always own CR0.TS");
-		vmx_set_cr0(vcpu, kvm_read_cr0_bits(vcpu, ~X86_CR0_TS));
-		trace_kvm_cr_write(0, kvm_read_cr0(vcpu));
-		return kvm_skip_emulated_instruction(vcpu);
-	case 1: /*mov from cr*/
-		switch (cr) {
-		case 3:
-			WARN_ON_ONCE(enable_unrestricted_guest);
-			val = kvm_read_cr3(vcpu);
-			kvm_register_write(vcpu, reg, val);
-			trace_kvm_cr_read(cr, val);
-			return kvm_skip_emulated_instruction(vcpu);
-		case 8:
-			val = kvm_get_cr8(vcpu);
-			kvm_register_write(vcpu, reg, val);
-			trace_kvm_cr_read(cr, val);
-			return kvm_skip_emulated_instruction(vcpu);
-		}
-		break;
-	case 3: /* lmsw */
-		val = (exit_qualification >> LMSW_SOURCE_DATA_SHIFT) & 0x0f;
-		trace_kvm_cr_write(0, (kvm_read_cr0(vcpu) & ~0xful) | val);
-		kvm_lmsw(vcpu, val);
-
-		return kvm_skip_emulated_instruction(vcpu);
-	default:
-		break;
-	}
-	vcpu->run->exit_reason = 0;
-	vcpu_unimpl(vcpu, "unhandled control register: op %d cr %d\n",
-	       (int)(exit_qualification >> 4) & 3, cr);
-	return 0;
-}
-
-static int handle_dr(struct kvm_vcpu *vcpu)
-{
-	unsigned long exit_qualification;
-	int dr, dr7, reg;
-
-	exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
-	dr = exit_qualification & DEBUG_REG_ACCESS_NUM;
-
-	/* First, if DR does not exist, trigger UD */
-	if (!kvm_require_dr(vcpu, dr))
-		return 1;
-
-	/* Do not handle if the CPL > 0, will trigger GP on re-entry */
-	if (!kvm_require_cpl(vcpu, 0))
-		return 1;
-	dr7 = vmcs_readl(GUEST_DR7);
-	if (dr7 & DR7_GD) {
-		/*
-		 * As the vm-exit takes precedence over the debug trap, we
-		 * need to emulate the latter, either for the host or the
-		 * guest debugging itself.
-		 */
-		if (vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP) {
-			vcpu->run->debug.arch.dr6 = vcpu->arch.dr6;
-			vcpu->run->debug.arch.dr7 = dr7;
-			vcpu->run->debug.arch.pc = kvm_get_linear_rip(vcpu);
-			vcpu->run->debug.arch.exception = DB_VECTOR;
-			vcpu->run->exit_reason = KVM_EXIT_DEBUG;
-			return 0;
-		} else {
-			vcpu->arch.dr6 &= ~DR_TRAP_BITS;
-			vcpu->arch.dr6 |= DR6_BD | DR6_RTM;
-			kvm_queue_exception(vcpu, DB_VECTOR);
-			return 1;
-		}
-	}
-
-	if (vcpu->guest_debug == 0) {
-		exec_controls_clearbit(to_vmx(vcpu), CPU_BASED_MOV_DR_EXITING);
-
-		/*
-		 * No more DR vmexits; force a reload of the debug registers
-		 * and reenter on this instruction.  The next vmexit will
-		 * retrieve the full state of the debug registers.
-		 */
-		vcpu->arch.switch_db_regs |= KVM_DEBUGREG_WONT_EXIT;
-		return 1;
-	}
-
-	reg = DEBUG_REG_ACCESS_REG(exit_qualification);
-	if (exit_qualification & TYPE_MOV_FROM_DR) {
-		unsigned long val;
-
-		if (kvm_get_dr(vcpu, dr, &val))
-			return 1;
-		kvm_register_write(vcpu, reg, val);
-	} else
-		if (kvm_set_dr(vcpu, dr, kvm_register_readl(vcpu, reg)))
-			return 1;
-
-	return kvm_skip_emulated_instruction(vcpu);
-}
-
-static u64 vmx_get_dr6(struct kvm_vcpu *vcpu)
-{
-	return vcpu->arch.dr6;
-}
-
-static void vmx_set_dr6(struct kvm_vcpu *vcpu, unsigned long val)
-{
-}
-
-static void vmx_sync_dirty_debug_regs(struct kvm_vcpu *vcpu)
-{
-	get_debugreg(vcpu->arch.db[0], 0);
-	get_debugreg(vcpu->arch.db[1], 1);
-	get_debugreg(vcpu->arch.db[2], 2);
-	get_debugreg(vcpu->arch.db[3], 3);
-	get_debugreg(vcpu->arch.dr6, 6);
-	vcpu->arch.dr7 = vmcs_readl(GUEST_DR7);
-
-	vcpu->arch.switch_db_regs &= ~KVM_DEBUGREG_WONT_EXIT;
-	exec_controls_setbit(to_vmx(vcpu), CPU_BASED_MOV_DR_EXITING);
-}
-
-static void vmx_set_dr7(struct kvm_vcpu *vcpu, unsigned long val)
-{
-	vmcs_writel(GUEST_DR7, val);
-}
-
-static int handle_tpr_below_threshold(struct kvm_vcpu *vcpu)
-{
-	kvm_apic_update_ppr(vcpu);
-	return 1;
-}
-
-static int handle_interrupt_window(struct kvm_vcpu *vcpu)
-{
-	exec_controls_clearbit(to_vmx(vcpu), CPU_BASED_INTR_WINDOW_EXITING);
-
-	kvm_make_request(KVM_REQ_EVENT, vcpu);
-
-	++vcpu->stat.irq_window_exits;
-	return 1;
-}
-
-static int handle_vmcall(struct kvm_vcpu *vcpu)
-{
-	return kvm_emulate_hypercall(vcpu);
-}
-
-static int handle_invd(struct kvm_vcpu *vcpu)
-{
-	return kvm_emulate_instruction(vcpu, 0);
-}
-
-static int handle_invlpg(struct kvm_vcpu *vcpu)
-{
-	unsigned long exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
-
-	kvm_mmu_invlpg(vcpu, exit_qualification);
-	return kvm_skip_emulated_instruction(vcpu);
-}
-
-static int handle_rdpmc(struct kvm_vcpu *vcpu)
-{
-	int err;
-
-	err = kvm_rdpmc(vcpu);
-	return kvm_complete_insn_gp(vcpu, err);
-}
-
-static int handle_wbinvd(struct kvm_vcpu *vcpu)
-{
-	return kvm_emulate_wbinvd(vcpu);
-}
-
-static int handle_xsetbv(struct kvm_vcpu *vcpu)
-{
-	u64 new_bv = kvm_read_edx_eax(vcpu);
-	u32 index = kvm_rcx_read(vcpu);
-
-	if (kvm_set_xcr(vcpu, index, new_bv) == 0)
-		return kvm_skip_emulated_instruction(vcpu);
-	return 1;
-}
-
-static int handle_apic_access(struct kvm_vcpu *vcpu)
-{
-	if (likely(fasteoi)) {
-		unsigned long exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
-		int access_type, offset;
-
-		access_type = exit_qualification & APIC_ACCESS_TYPE;
-		offset = exit_qualification & APIC_ACCESS_OFFSET;
-		/*
-		 * Sane guest uses MOV to write EOI, with written value
-		 * not cared. So make a short-circuit here by avoiding
-		 * heavy instruction emulation.
-		 */
-		if ((access_type == TYPE_LINEAR_APIC_INST_WRITE) &&
-		    (offset == APIC_EOI)) {
-			kvm_lapic_set_eoi(vcpu);
-			return kvm_skip_emulated_instruction(vcpu);
-		}
-	}
-	return kvm_emulate_instruction(vcpu, 0);
-}
-
-static int handle_apic_eoi_induced(struct kvm_vcpu *vcpu)
-{
-	unsigned long exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
-	int vector = exit_qualification & 0xff;
-
-	/* EOI-induced VM exit is trap-like and thus no need to adjust IP */
-	kvm_apic_set_eoi_accelerated(vcpu, vector);
-	return 1;
-}
-
-static int handle_apic_write(struct kvm_vcpu *vcpu)
-{
-	unsigned long exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
-	u32 offset = exit_qualification & 0xfff;
-
-	/* APIC-write VM exit is trap-like and thus no need to adjust IP */
-	kvm_apic_write_nodecode(vcpu, offset);
-	return 1;
-}
-
-static int handle_task_switch(struct kvm_vcpu *vcpu)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-	unsigned long exit_qualification;
-	bool has_error_code = false;
-	u32 error_code = 0;
-	u16 tss_selector;
-	int reason, type, idt_v, idt_index;
-
-	idt_v = (vmx->idt_vectoring_info & VECTORING_INFO_VALID_MASK);
-	idt_index = (vmx->idt_vectoring_info & VECTORING_INFO_VECTOR_MASK);
-	type = (vmx->idt_vectoring_info & VECTORING_INFO_TYPE_MASK);
-
-	exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
-
-	reason = (u32)exit_qualification >> 30;
-	if (reason == TASK_SWITCH_GATE && idt_v) {
-		switch (type) {
-		case INTR_TYPE_NMI_INTR:
-			vcpu->arch.nmi_injected = false;
-			vmx_set_nmi_mask(vcpu, true);
-			break;
-		case INTR_TYPE_EXT_INTR:
-		case INTR_TYPE_SOFT_INTR:
-			kvm_clear_interrupt_queue(vcpu);
-			break;
-		case INTR_TYPE_HARD_EXCEPTION:
-			if (vmx->idt_vectoring_info &
-			    VECTORING_INFO_DELIVER_CODE_MASK) {
-				has_error_code = true;
-				error_code =
-					vmcs_read32(IDT_VECTORING_ERROR_CODE);
-			}
-			/* fall through */
-		case INTR_TYPE_SOFT_EXCEPTION:
-			kvm_clear_exception_queue(vcpu);
-			break;
-		default:
-			break;
-		}
-	}
-	tss_selector = exit_qualification;
-
-	if (!idt_v || (type != INTR_TYPE_HARD_EXCEPTION &&
-		       type != INTR_TYPE_EXT_INTR &&
-		       type != INTR_TYPE_NMI_INTR))
-		WARN_ON(!skip_emulated_instruction(vcpu));
-
-	/*
-	 * TODO: What about debug traps on tss switch?
-	 *       Are we supposed to inject them and update dr6?
-	 */
-	return kvm_task_switch(vcpu, tss_selector,
-			       type == INTR_TYPE_SOFT_INTR ? idt_index : -1,
-			       reason, has_error_code, error_code);
-}
-
-static int handle_ept_violation(struct kvm_vcpu *vcpu)
-{
-	unsigned long exit_qualification;
-	gpa_t gpa;
-	u64 error_code;
-
-	exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
-
-	/*
-	 * EPT violation happened while executing iret from NMI,
-	 * "blocked by NMI" bit has to be set before next VM entry.
-	 * There are errata that may cause this bit to not be set:
-	 * AAK134, BY25.
-	 */
-	if (!(to_vmx(vcpu)->idt_vectoring_info & VECTORING_INFO_VALID_MASK) &&
-			enable_vnmi &&
-			(exit_qualification & INTR_INFO_UNBLOCK_NMI))
-		vmcs_set_bits(GUEST_INTERRUPTIBILITY_INFO, GUEST_INTR_STATE_NMI);
-
-	gpa = vmcs_read64(GUEST_PHYSICAL_ADDRESS);
-	trace_kvm_page_fault(gpa, exit_qualification);
-
-	/* Is it a read fault? */
-	error_code = (exit_qualification & EPT_VIOLATION_ACC_READ)
-		     ? PFERR_USER_MASK : 0;
-	/* Is it a write fault? */
-	error_code |= (exit_qualification & EPT_VIOLATION_ACC_WRITE)
-		      ? PFERR_WRITE_MASK : 0;
-	/* Is it a fetch fault? */
-	error_code |= (exit_qualification & EPT_VIOLATION_ACC_INSTR)
-		      ? PFERR_FETCH_MASK : 0;
-	/* ept page table entry is present? */
-	error_code |= (exit_qualification &
-		       (EPT_VIOLATION_READABLE | EPT_VIOLATION_WRITABLE |
-			EPT_VIOLATION_EXECUTABLE))
-		      ? PFERR_PRESENT_MASK : 0;
-
-	error_code |= (exit_qualification & 0x100) != 0 ?
-	       PFERR_GUEST_FINAL_MASK : PFERR_GUEST_PAGE_MASK;
-
-	vcpu->arch.exit_qualification = exit_qualification;
-	return kvm_mmu_page_fault(vcpu, gpa, error_code, NULL, 0);
-}
-
-static int handle_ept_misconfig(struct kvm_vcpu *vcpu)
-{
-	gpa_t gpa;
-
-	/*
-	 * A nested guest cannot optimize MMIO vmexits, because we have an
-	 * nGPA here instead of the required GPA.
-	 */
-	gpa = vmcs_read64(GUEST_PHYSICAL_ADDRESS);
-	if (!is_guest_mode(vcpu) &&
-	    !kvm_io_bus_write(vcpu, KVM_FAST_MMIO_BUS, gpa, 0, NULL)) {
-		trace_kvm_fast_mmio(gpa);
-		return kvm_skip_emulated_instruction(vcpu);
-	}
-
-	return kvm_mmu_page_fault(vcpu, gpa, PFERR_RSVD_MASK, NULL, 0);
-}
-
-static int handle_nmi_window(struct kvm_vcpu *vcpu)
-{
-	WARN_ON_ONCE(!enable_vnmi);
-	exec_controls_clearbit(to_vmx(vcpu), CPU_BASED_NMI_WINDOW_EXITING);
-	++vcpu->stat.nmi_window_exits;
-	kvm_make_request(KVM_REQ_EVENT, vcpu);
-
-	return 1;
-}
-
-static int handle_invalid_guest_state(struct kvm_vcpu *vcpu)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-	bool intr_window_requested;
-	unsigned count = 130;
-
-	/*
-	 * We should never reach the point where we are emulating L2
-	 * due to invalid guest state as that means we incorrectly
-	 * allowed a nested VMEntry with an invalid vmcs12.
-	 */
-	WARN_ON_ONCE(vmx->emulation_required && vmx->nested.nested_run_pending);
-
-	intr_window_requested = exec_controls_get(vmx) &
-				CPU_BASED_INTR_WINDOW_EXITING;
-
-	while (vmx->emulation_required && count-- != 0) {
-		if (intr_window_requested && vmx_interrupt_allowed(vcpu))
-			return handle_interrupt_window(&vmx->vcpu);
-
-		if (kvm_test_request(KVM_REQ_EVENT, vcpu))
-			return 1;
-
-		if (!kvm_emulate_instruction(vcpu, 0))
-			return 0;
-
-		if (vmx->emulation_required && !vmx->rmode.vm86_active &&
-		    vcpu->arch.exception.pending) {
-			vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
-			vcpu->run->internal.suberror =
-						KVM_INTERNAL_ERROR_EMULATION;
-			vcpu->run->internal.ndata = 0;
-			return 0;
-		}
-
-		if (vcpu->arch.halt_request) {
-			vcpu->arch.halt_request = 0;
-			return kvm_vcpu_halt(vcpu);
-		}
-
-		/*
-		 * Note, return 1 and not 0, vcpu_run() is responsible for
-		 * morphing the pending signal into the proper return code.
-		 */
-		if (signal_pending(current))
-			return 1;
-
-		if (need_resched())
-			schedule();
-	}
-
-	return 1;
-}
-
-static void grow_ple_window(struct kvm_vcpu *vcpu)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-	unsigned int old = vmx->ple_window;
-
-	vmx->ple_window = __grow_ple_window(old, ple_window,
-					    ple_window_grow,
-					    ple_window_max);
-
-	if (vmx->ple_window != old) {
-		vmx->ple_window_dirty = true;
-		trace_kvm_ple_window_update(vcpu->vcpu_id,
-					    vmx->ple_window, old);
-	}
-}
-
-static void shrink_ple_window(struct kvm_vcpu *vcpu)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-	unsigned int old = vmx->ple_window;
-
-	vmx->ple_window = __shrink_ple_window(old, ple_window,
-					      ple_window_shrink,
-					      ple_window);
-
-	if (vmx->ple_window != old) {
-		vmx->ple_window_dirty = true;
-		trace_kvm_ple_window_update(vcpu->vcpu_id,
-					    vmx->ple_window, old);
-	}
-}
-
-/*
- * Handler for POSTED_INTERRUPT_WAKEUP_VECTOR.
- */
-static void wakeup_handler(void)
-{
-	struct kvm_vcpu *vcpu;
-	int cpu = smp_processor_id();
-
-	spin_lock(&per_cpu(blocked_vcpu_on_cpu_lock, cpu));
-	list_for_each_entry(vcpu, &per_cpu(blocked_vcpu_on_cpu, cpu),
-			blocked_vcpu_list) {
-		struct pi_desc *pi_desc = vcpu_to_pi_desc(vcpu);
-
-		if (pi_test_on(pi_desc) == 1)
-			kvm_vcpu_kick(vcpu);
-	}
-	spin_unlock(&per_cpu(blocked_vcpu_on_cpu_lock, cpu));
-}
-
-static void vmx_enable_tdp(void)
-{
-	kvm_mmu_set_mask_ptes(VMX_EPT_READABLE_MASK,
-		enable_ept_ad_bits ? VMX_EPT_ACCESS_BIT : 0ull,
-		enable_ept_ad_bits ? VMX_EPT_DIRTY_BIT : 0ull,
-		0ull, VMX_EPT_EXECUTABLE_MASK,
-		cpu_has_vmx_ept_execute_only() ? 0ull : VMX_EPT_READABLE_MASK,
-		VMX_EPT_RWX_MASK, 0ull);
-
-	ept_set_mmio_spte_mask();
-	kvm_enable_tdp();
-}
-
-/*
- * Indicate a busy-waiting vcpu in spinlock. We do not enable the PAUSE
- * exiting, so only get here on cpu with PAUSE-Loop-Exiting.
- */
-static int handle_pause(struct kvm_vcpu *vcpu)
-{
-	if (!kvm_pause_in_guest(vcpu->kvm))
-		grow_ple_window(vcpu);
-
-	/*
-	 * Intel sdm vol3 ch-25.1.3 says: The "PAUSE-loop exiting"
-	 * VM-execution control is ignored if CPL > 0. OTOH, KVM
-	 * never set PAUSE_EXITING and just set PLE if supported,
-	 * so the vcpu must be CPL=0 if it gets a PAUSE exit.
-	 */
-	kvm_vcpu_on_spin(vcpu, true);
-	return kvm_skip_emulated_instruction(vcpu);
-}
-
-static int handle_nop(struct kvm_vcpu *vcpu)
-{
-	return kvm_skip_emulated_instruction(vcpu);
-}
-
-static int handle_mwait(struct kvm_vcpu *vcpu)
-{
-	printk_once(KERN_WARNING "kvm: MWAIT instruction emulated as NOP!\n");
-	return handle_nop(vcpu);
-}
-
-static int handle_invalid_op(struct kvm_vcpu *vcpu)
-{
-	kvm_queue_exception(vcpu, UD_VECTOR);
-	return 1;
-}
-
-static int handle_monitor_trap(struct kvm_vcpu *vcpu)
-{
-	return 1;
-}
-
-static int handle_monitor(struct kvm_vcpu *vcpu)
-{
-	printk_once(KERN_WARNING "kvm: MONITOR instruction emulated as NOP!\n");
-	return handle_nop(vcpu);
-}
-
-static int handle_invpcid(struct kvm_vcpu *vcpu)
-{
-	u32 vmx_instruction_info;
-	unsigned long type;
-	bool pcid_enabled;
-	gva_t gva;
-	struct x86_exception e;
-	unsigned i;
-	unsigned long roots_to_free = 0;
-	struct {
-		u64 pcid;
-		u64 gla;
-	} operand;
-
-	if (!guest_cpuid_has(vcpu, X86_FEATURE_INVPCID)) {
-		kvm_queue_exception(vcpu, UD_VECTOR);
-		return 1;
-	}
-
-	vmx_instruction_info = vmcs_read32(VMX_INSTRUCTION_INFO);
-	type = kvm_register_readl(vcpu, (vmx_instruction_info >> 28) & 0xf);
-
-	if (type > 3) {
-		kvm_inject_gp(vcpu, 0);
-		return 1;
-	}
-
-	/* According to the Intel instruction reference, the memory operand
-	 * is read even if it isn't needed (e.g., for type==all)
-	 */
-	if (get_vmx_mem_address(vcpu, vmcs_readl(EXIT_QUALIFICATION),
-				vmx_instruction_info, false,
-				sizeof(operand), &gva))
-		return 1;
-
-	if (kvm_read_guest_virt(vcpu, gva, &operand, sizeof(operand), &e)) {
-		kvm_inject_page_fault(vcpu, &e);
-		return 1;
-	}
-
-	if (operand.pcid >> 12 != 0) {
-		kvm_inject_gp(vcpu, 0);
-		return 1;
-	}
-
-	pcid_enabled = kvm_read_cr4_bits(vcpu, X86_CR4_PCIDE);
-
-	switch (type) {
-	case INVPCID_TYPE_INDIV_ADDR:
-		if ((!pcid_enabled && (operand.pcid != 0)) ||
-		    is_noncanonical_address(operand.gla, vcpu)) {
-			kvm_inject_gp(vcpu, 0);
-			return 1;
-		}
-		kvm_mmu_invpcid_gva(vcpu, operand.gla, operand.pcid);
-		return kvm_skip_emulated_instruction(vcpu);
-
-	case INVPCID_TYPE_SINGLE_CTXT:
-		if (!pcid_enabled && (operand.pcid != 0)) {
-			kvm_inject_gp(vcpu, 0);
-			return 1;
-		}
-
-		if (kvm_get_active_pcid(vcpu) == operand.pcid) {
-			kvm_mmu_sync_roots(vcpu);
-			kvm_make_request(KVM_REQ_TLB_FLUSH, vcpu);
-		}
-
-		for (i = 0; i < KVM_MMU_NUM_PREV_ROOTS; i++)
-			if (kvm_get_pcid(vcpu, vcpu->arch.mmu->prev_roots[i].cr3)
-			    == operand.pcid)
-				roots_to_free |= KVM_MMU_ROOT_PREVIOUS(i);
-
-		kvm_mmu_free_roots(vcpu, vcpu->arch.mmu, roots_to_free);
-		/*
-		 * If neither the current cr3 nor any of the prev_roots use the
-		 * given PCID, then nothing needs to be done here because a
-		 * resync will happen anyway before switching to any other CR3.
-		 */
-
-		return kvm_skip_emulated_instruction(vcpu);
-
-	case INVPCID_TYPE_ALL_NON_GLOBAL:
-		/*
-		 * Currently, KVM doesn't mark global entries in the shadow
-		 * page tables, so a non-global flush just degenerates to a
-		 * global flush. If needed, we could optimize this later by
-		 * keeping track of global entries in shadow page tables.
-		 */
-
-		/* fall-through */
-	case INVPCID_TYPE_ALL_INCL_GLOBAL:
-		kvm_mmu_unload(vcpu);
-		return kvm_skip_emulated_instruction(vcpu);
-
-	default:
-		BUG(); /* We have already checked above that type <= 3 */
-	}
-}
-
-static int handle_pml_full(struct kvm_vcpu *vcpu)
-{
-	unsigned long exit_qualification;
-
-	trace_kvm_pml_full(vcpu->vcpu_id);
-
-	exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
-
-	/*
-	 * PML buffer FULL happened while executing iret from NMI,
-	 * "blocked by NMI" bit has to be set before next VM entry.
-	 */
-	if (!(to_vmx(vcpu)->idt_vectoring_info & VECTORING_INFO_VALID_MASK) &&
-			enable_vnmi &&
-			(exit_qualification & INTR_INFO_UNBLOCK_NMI))
-		vmcs_set_bits(GUEST_INTERRUPTIBILITY_INFO,
-				GUEST_INTR_STATE_NMI);
-
-	/*
-	 * PML buffer already flushed at beginning of VMEXIT. Nothing to do
-	 * here.., and there's no userspace involvement needed for PML.
-	 */
-	return 1;
-}
-
-static int handle_preemption_timer(struct kvm_vcpu *vcpu)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-
-	if (!vmx->req_immediate_exit &&
-	    !unlikely(vmx->loaded_vmcs->hv_timer_soft_disabled))
-		kvm_lapic_expired_hv_timer(vcpu);
-
-	return 1;
-}
-
-/*
- * When nested=0, all VMX instruction VM Exits filter here.  The handlers
- * are overwritten by nested_vmx_setup() when nested=1.
- */
-static int handle_vmx_instruction(struct kvm_vcpu *vcpu)
-{
-	kvm_queue_exception(vcpu, UD_VECTOR);
-	return 1;
-}
-
-static int handle_encls(struct kvm_vcpu *vcpu)
-{
-	/*
-	 * SGX virtualization is not yet supported.  There is no software
-	 * enable bit for SGX, so we have to trap ENCLS and inject a #UD
-	 * to prevent the guest from executing ENCLS.
-	 */
-	kvm_queue_exception(vcpu, UD_VECTOR);
-	return 1;
-}
-
-/*
- * The exit handlers return 1 if the exit was handled fully and guest execution
- * may resume.  Otherwise they set the kvm_run parameter to indicate what needs
- * to be done to userspace and return 0.
- */
-static int (*kvm_vmx_exit_handlers[])(struct kvm_vcpu *vcpu) = {
-	[EXIT_REASON_EXCEPTION_NMI]           = handle_exception_nmi,
-	[EXIT_REASON_EXTERNAL_INTERRUPT]      = handle_external_interrupt,
-	[EXIT_REASON_TRIPLE_FAULT]            = handle_triple_fault,
-	[EXIT_REASON_NMI_WINDOW]	      = handle_nmi_window,
-	[EXIT_REASON_IO_INSTRUCTION]          = handle_io,
-	[EXIT_REASON_CR_ACCESS]               = handle_cr,
-	[EXIT_REASON_DR_ACCESS]               = handle_dr,
-	[EXIT_REASON_CPUID]                   = kvm_emulate_cpuid,
-	[EXIT_REASON_MSR_READ]                = kvm_emulate_rdmsr,
-	[EXIT_REASON_MSR_WRITE]               = kvm_emulate_wrmsr,
-	[EXIT_REASON_INTERRUPT_WINDOW]        = handle_interrupt_window,
-	[EXIT_REASON_HLT]                     = kvm_emulate_halt,
-	[EXIT_REASON_INVD]		      = handle_invd,
-	[EXIT_REASON_INVLPG]		      = handle_invlpg,
-	[EXIT_REASON_RDPMC]                   = handle_rdpmc,
-	[EXIT_REASON_VMCALL]                  = handle_vmcall,
-	[EXIT_REASON_VMCLEAR]		      = handle_vmx_instruction,
-	[EXIT_REASON_VMLAUNCH]		      = handle_vmx_instruction,
-	[EXIT_REASON_VMPTRLD]		      = handle_vmx_instruction,
-	[EXIT_REASON_VMPTRST]		      = handle_vmx_instruction,
-	[EXIT_REASON_VMREAD]		      = handle_vmx_instruction,
-	[EXIT_REASON_VMRESUME]		      = handle_vmx_instruction,
-	[EXIT_REASON_VMWRITE]		      = handle_vmx_instruction,
-	[EXIT_REASON_VMOFF]		      = handle_vmx_instruction,
-	[EXIT_REASON_VMON]		      = handle_vmx_instruction,
-	[EXIT_REASON_TPR_BELOW_THRESHOLD]     = handle_tpr_below_threshold,
-	[EXIT_REASON_APIC_ACCESS]             = handle_apic_access,
-	[EXIT_REASON_APIC_WRITE]              = handle_apic_write,
-	[EXIT_REASON_EOI_INDUCED]             = handle_apic_eoi_induced,
-	[EXIT_REASON_WBINVD]                  = handle_wbinvd,
-	[EXIT_REASON_XSETBV]                  = handle_xsetbv,
-	[EXIT_REASON_TASK_SWITCH]             = handle_task_switch,
-	[EXIT_REASON_MCE_DURING_VMENTRY]      = handle_machine_check,
-	[EXIT_REASON_GDTR_IDTR]		      = handle_desc,
-	[EXIT_REASON_LDTR_TR]		      = handle_desc,
-	[EXIT_REASON_EPT_VIOLATION]	      = handle_ept_violation,
-	[EXIT_REASON_EPT_MISCONFIG]           = handle_ept_misconfig,
-	[EXIT_REASON_PAUSE_INSTRUCTION]       = handle_pause,
-	[EXIT_REASON_MWAIT_INSTRUCTION]	      = handle_mwait,
-	[EXIT_REASON_MONITOR_TRAP_FLAG]       = handle_monitor_trap,
-	[EXIT_REASON_MONITOR_INSTRUCTION]     = handle_monitor,
-	[EXIT_REASON_INVEPT]                  = handle_vmx_instruction,
-	[EXIT_REASON_INVVPID]                 = handle_vmx_instruction,
-	[EXIT_REASON_RDRAND]                  = handle_invalid_op,
-	[EXIT_REASON_RDSEED]                  = handle_invalid_op,
-	[EXIT_REASON_PML_FULL]		      = handle_pml_full,
-	[EXIT_REASON_INVPCID]                 = handle_invpcid,
-	[EXIT_REASON_VMFUNC]		      = handle_vmx_instruction,
-	[EXIT_REASON_PREEMPTION_TIMER]	      = handle_preemption_timer,
-	[EXIT_REASON_ENCLS]		      = handle_encls,
-};
-
-static const int kvm_vmx_max_exit_handlers =
-	ARRAY_SIZE(kvm_vmx_exit_handlers);
-
-static void vmx_get_exit_info(struct kvm_vcpu *vcpu, u64 *info1, u64 *info2)
-{
-	*info1 = vmcs_readl(EXIT_QUALIFICATION);
-	*info2 = vmcs_read32(VM_EXIT_INTR_INFO);
-}
-
-static void vmx_destroy_pml_buffer(struct vcpu_vmx *vmx)
-{
-	if (vmx->pml_pg) {
-		__free_page(vmx->pml_pg);
-		vmx->pml_pg = NULL;
-	}
-}
-
-static void vmx_flush_pml_buffer(struct kvm_vcpu *vcpu)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-	u64 *pml_buf;
-	u16 pml_idx;
-
-	pml_idx = vmcs_read16(GUEST_PML_INDEX);
-
-	/* Do nothing if PML buffer is empty */
-	if (pml_idx == (PML_ENTITY_NUM - 1))
-		return;
-
-	/* PML index always points to next available PML buffer entity */
-	if (pml_idx >= PML_ENTITY_NUM)
-		pml_idx = 0;
-	else
-		pml_idx++;
-
-	pml_buf = page_address(vmx->pml_pg);
-	for (; pml_idx < PML_ENTITY_NUM; pml_idx++) {
-		u64 gpa;
-
-		gpa = pml_buf[pml_idx];
-		WARN_ON(gpa & (PAGE_SIZE - 1));
-		kvm_vcpu_mark_page_dirty(vcpu, gpa >> PAGE_SHIFT);
-	}
-
-	/* reset PML index */
-	vmcs_write16(GUEST_PML_INDEX, PML_ENTITY_NUM - 1);
-}
-
-/*
- * Flush all vcpus' PML buffer and update logged GPAs to dirty_bitmap.
- * Called before reporting dirty_bitmap to userspace.
- */
-static void kvm_flush_pml_buffers(struct kvm *kvm)
-{
-	int i;
-	struct kvm_vcpu *vcpu;
-	/*
-	 * We only need to kick vcpu out of guest mode here, as PML buffer
-	 * is flushed at beginning of all VMEXITs, and it's obvious that only
-	 * vcpus running in guest are possible to have unflushed GPAs in PML
-	 * buffer.
-	 */
-	kvm_for_each_vcpu(i, vcpu, kvm)
-		kvm_vcpu_kick(vcpu);
-}
-
-static void vmx_dump_sel(char *name, uint32_t sel)
-{
-	pr_err("%s sel=0x%04x, attr=0x%05x, limit=0x%08x, base=0x%016lx\n",
-	       name, vmcs_read16(sel),
-	       vmcs_read32(sel + GUEST_ES_AR_BYTES - GUEST_ES_SELECTOR),
-	       vmcs_read32(sel + GUEST_ES_LIMIT - GUEST_ES_SELECTOR),
-	       vmcs_readl(sel + GUEST_ES_BASE - GUEST_ES_SELECTOR));
-}
-
-static void vmx_dump_dtsel(char *name, uint32_t limit)
-{
-	pr_err("%s                           limit=0x%08x, base=0x%016lx\n",
-	       name, vmcs_read32(limit),
-	       vmcs_readl(limit + GUEST_GDTR_BASE - GUEST_GDTR_LIMIT));
-}
-
-void dump_vmcs(void)
-{
-	u32 vmentry_ctl, vmexit_ctl;
-	u32 cpu_based_exec_ctrl, pin_based_exec_ctrl, secondary_exec_control;
-	unsigned long cr4;
-	u64 efer;
-	int i, n;
-
-	if (!dump_invalid_vmcs) {
-		pr_warn_ratelimited("set kvm_intel.dump_invalid_vmcs=1 to dump internal KVM state.\n");
-		return;
-	}
-
-	vmentry_ctl = vmcs_read32(VM_ENTRY_CONTROLS);
-	vmexit_ctl = vmcs_read32(VM_EXIT_CONTROLS);
-	cpu_based_exec_ctrl = vmcs_read32(CPU_BASED_VM_EXEC_CONTROL);
-	pin_based_exec_ctrl = vmcs_read32(PIN_BASED_VM_EXEC_CONTROL);
-	cr4 = vmcs_readl(GUEST_CR4);
-	efer = vmcs_read64(GUEST_IA32_EFER);
-	secondary_exec_control = 0;
-	if (cpu_has_secondary_exec_ctrls())
-		secondary_exec_control = vmcs_read32(SECONDARY_VM_EXEC_CONTROL);
-
-	pr_err("*** Guest State ***\n");
-	pr_err("CR0: actual=0x%016lx, shadow=0x%016lx, gh_mask=%016lx\n",
-	       vmcs_readl(GUEST_CR0), vmcs_readl(CR0_READ_SHADOW),
-	       vmcs_readl(CR0_GUEST_HOST_MASK));
-	pr_err("CR4: actual=0x%016lx, shadow=0x%016lx, gh_mask=%016lx\n",
-	       cr4, vmcs_readl(CR4_READ_SHADOW), vmcs_readl(CR4_GUEST_HOST_MASK));
-	pr_err("CR3 = 0x%016lx\n", vmcs_readl(GUEST_CR3));
-	if ((secondary_exec_control & SECONDARY_EXEC_ENABLE_EPT) &&
-	    (cr4 & X86_CR4_PAE) && !(efer & EFER_LMA))
-	{
-		pr_err("PDPTR0 = 0x%016llx  PDPTR1 = 0x%016llx\n",
-		       vmcs_read64(GUEST_PDPTR0), vmcs_read64(GUEST_PDPTR1));
-		pr_err("PDPTR2 = 0x%016llx  PDPTR3 = 0x%016llx\n",
-		       vmcs_read64(GUEST_PDPTR2), vmcs_read64(GUEST_PDPTR3));
-	}
-	pr_err("RSP = 0x%016lx  RIP = 0x%016lx\n",
-	       vmcs_readl(GUEST_RSP), vmcs_readl(GUEST_RIP));
-	pr_err("RFLAGS=0x%08lx         DR7 = 0x%016lx\n",
-	       vmcs_readl(GUEST_RFLAGS), vmcs_readl(GUEST_DR7));
-	pr_err("Sysenter RSP=%016lx CS:RIP=%04x:%016lx\n",
-	       vmcs_readl(GUEST_SYSENTER_ESP),
-	       vmcs_read32(GUEST_SYSENTER_CS), vmcs_readl(GUEST_SYSENTER_EIP));
-	vmx_dump_sel("CS:  ", GUEST_CS_SELECTOR);
-	vmx_dump_sel("DS:  ", GUEST_DS_SELECTOR);
-	vmx_dump_sel("SS:  ", GUEST_SS_SELECTOR);
-	vmx_dump_sel("ES:  ", GUEST_ES_SELECTOR);
-	vmx_dump_sel("FS:  ", GUEST_FS_SELECTOR);
-	vmx_dump_sel("GS:  ", GUEST_GS_SELECTOR);
-	vmx_dump_dtsel("GDTR:", GUEST_GDTR_LIMIT);
-	vmx_dump_sel("LDTR:", GUEST_LDTR_SELECTOR);
-	vmx_dump_dtsel("IDTR:", GUEST_IDTR_LIMIT);
-	vmx_dump_sel("TR:  ", GUEST_TR_SELECTOR);
-	if ((vmexit_ctl & (VM_EXIT_SAVE_IA32_PAT | VM_EXIT_SAVE_IA32_EFER)) ||
-	    (vmentry_ctl & (VM_ENTRY_LOAD_IA32_PAT | VM_ENTRY_LOAD_IA32_EFER)))
-		pr_err("EFER =     0x%016llx  PAT = 0x%016llx\n",
-		       efer, vmcs_read64(GUEST_IA32_PAT));
-	pr_err("DebugCtl = 0x%016llx  DebugExceptions = 0x%016lx\n",
-	       vmcs_read64(GUEST_IA32_DEBUGCTL),
-	       vmcs_readl(GUEST_PENDING_DBG_EXCEPTIONS));
-	if (cpu_has_load_perf_global_ctrl() &&
-	    vmentry_ctl & VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL)
-		pr_err("PerfGlobCtl = 0x%016llx\n",
-		       vmcs_read64(GUEST_IA32_PERF_GLOBAL_CTRL));
-	if (vmentry_ctl & VM_ENTRY_LOAD_BNDCFGS)
-		pr_err("BndCfgS = 0x%016llx\n", vmcs_read64(GUEST_BNDCFGS));
-	pr_err("Interruptibility = %08x  ActivityState = %08x\n",
-	       vmcs_read32(GUEST_INTERRUPTIBILITY_INFO),
-	       vmcs_read32(GUEST_ACTIVITY_STATE));
-	if (secondary_exec_control & SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY)
-		pr_err("InterruptStatus = %04x\n",
-		       vmcs_read16(GUEST_INTR_STATUS));
-
-	pr_err("*** Host State ***\n");
-	pr_err("RIP = 0x%016lx  RSP = 0x%016lx\n",
-	       vmcs_readl(HOST_RIP), vmcs_readl(HOST_RSP));
-	pr_err("CS=%04x SS=%04x DS=%04x ES=%04x FS=%04x GS=%04x TR=%04x\n",
-	       vmcs_read16(HOST_CS_SELECTOR), vmcs_read16(HOST_SS_SELECTOR),
-	       vmcs_read16(HOST_DS_SELECTOR), vmcs_read16(HOST_ES_SELECTOR),
-	       vmcs_read16(HOST_FS_SELECTOR), vmcs_read16(HOST_GS_SELECTOR),
-	       vmcs_read16(HOST_TR_SELECTOR));
-	pr_err("FSBase=%016lx GSBase=%016lx TRBase=%016lx\n",
-	       vmcs_readl(HOST_FS_BASE), vmcs_readl(HOST_GS_BASE),
-	       vmcs_readl(HOST_TR_BASE));
-	pr_err("GDTBase=%016lx IDTBase=%016lx\n",
-	       vmcs_readl(HOST_GDTR_BASE), vmcs_readl(HOST_IDTR_BASE));
-	pr_err("CR0=%016lx CR3=%016lx CR4=%016lx\n",
-	       vmcs_readl(HOST_CR0), vmcs_readl(HOST_CR3),
-	       vmcs_readl(HOST_CR4));
-	pr_err("Sysenter RSP=%016lx CS:RIP=%04x:%016lx\n",
-	       vmcs_readl(HOST_IA32_SYSENTER_ESP),
-	       vmcs_read32(HOST_IA32_SYSENTER_CS),
-	       vmcs_readl(HOST_IA32_SYSENTER_EIP));
-	if (vmexit_ctl & (VM_EXIT_LOAD_IA32_PAT | VM_EXIT_LOAD_IA32_EFER))
-		pr_err("EFER = 0x%016llx  PAT = 0x%016llx\n",
-		       vmcs_read64(HOST_IA32_EFER),
-		       vmcs_read64(HOST_IA32_PAT));
-	if (cpu_has_load_perf_global_ctrl() &&
-	    vmexit_ctl & VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL)
-		pr_err("PerfGlobCtl = 0x%016llx\n",
-		       vmcs_read64(HOST_IA32_PERF_GLOBAL_CTRL));
-
-	pr_err("*** Control State ***\n");
-	pr_err("PinBased=%08x CPUBased=%08x SecondaryExec=%08x\n",
-	       pin_based_exec_ctrl, cpu_based_exec_ctrl, secondary_exec_control);
-	pr_err("EntryControls=%08x ExitControls=%08x\n", vmentry_ctl, vmexit_ctl);
-	pr_err("ExceptionBitmap=%08x PFECmask=%08x PFECmatch=%08x\n",
-	       vmcs_read32(EXCEPTION_BITMAP),
-	       vmcs_read32(PAGE_FAULT_ERROR_CODE_MASK),
-	       vmcs_read32(PAGE_FAULT_ERROR_CODE_MATCH));
-	pr_err("VMEntry: intr_info=%08x errcode=%08x ilen=%08x\n",
-	       vmcs_read32(VM_ENTRY_INTR_INFO_FIELD),
-	       vmcs_read32(VM_ENTRY_EXCEPTION_ERROR_CODE),
-	       vmcs_read32(VM_ENTRY_INSTRUCTION_LEN));
-	pr_err("VMExit: intr_info=%08x errcode=%08x ilen=%08x\n",
-	       vmcs_read32(VM_EXIT_INTR_INFO),
-	       vmcs_read32(VM_EXIT_INTR_ERROR_CODE),
-	       vmcs_read32(VM_EXIT_INSTRUCTION_LEN));
-	pr_err("        reason=%08x qualification=%016lx\n",
-	       vmcs_read32(VM_EXIT_REASON), vmcs_readl(EXIT_QUALIFICATION));
-	pr_err("IDTVectoring: info=%08x errcode=%08x\n",
-	       vmcs_read32(IDT_VECTORING_INFO_FIELD),
-	       vmcs_read32(IDT_VECTORING_ERROR_CODE));
-	pr_err("TSC Offset = 0x%016llx\n", vmcs_read64(TSC_OFFSET));
-	if (secondary_exec_control & SECONDARY_EXEC_TSC_SCALING)
-		pr_err("TSC Multiplier = 0x%016llx\n",
-		       vmcs_read64(TSC_MULTIPLIER));
-	if (cpu_based_exec_ctrl & CPU_BASED_TPR_SHADOW) {
-		if (secondary_exec_control & SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY) {
-			u16 status = vmcs_read16(GUEST_INTR_STATUS);
-			pr_err("SVI|RVI = %02x|%02x ", status >> 8, status & 0xff);
-		}
-		pr_cont("TPR Threshold = 0x%02x\n", vmcs_read32(TPR_THRESHOLD));
-		if (secondary_exec_control & SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES)
-			pr_err("APIC-access addr = 0x%016llx ", vmcs_read64(APIC_ACCESS_ADDR));
-		pr_cont("virt-APIC addr = 0x%016llx\n", vmcs_read64(VIRTUAL_APIC_PAGE_ADDR));
-	}
-	if (pin_based_exec_ctrl & PIN_BASED_POSTED_INTR)
-		pr_err("PostedIntrVec = 0x%02x\n", vmcs_read16(POSTED_INTR_NV));
-	if ((secondary_exec_control & SECONDARY_EXEC_ENABLE_EPT))
-		pr_err("EPT pointer = 0x%016llx\n", vmcs_read64(EPT_POINTER));
-	n = vmcs_read32(CR3_TARGET_COUNT);
-	for (i = 0; i + 1 < n; i += 4)
-		pr_err("CR3 target%u=%016lx target%u=%016lx\n",
-		       i, vmcs_readl(CR3_TARGET_VALUE0 + i * 2),
-		       i + 1, vmcs_readl(CR3_TARGET_VALUE0 + i * 2 + 2));
-	if (i < n)
-		pr_err("CR3 target%u=%016lx\n",
-		       i, vmcs_readl(CR3_TARGET_VALUE0 + i * 2));
-	if (secondary_exec_control & SECONDARY_EXEC_PAUSE_LOOP_EXITING)
-		pr_err("PLE Gap=%08x Window=%08x\n",
-		       vmcs_read32(PLE_GAP), vmcs_read32(PLE_WINDOW));
-	if (secondary_exec_control & SECONDARY_EXEC_ENABLE_VPID)
-		pr_err("Virtual processor ID = 0x%04x\n",
-		       vmcs_read16(VIRTUAL_PROCESSOR_ID));
-}
-
-/*
- * The guest has exited.  See if we can fix it or if we need userspace
- * assistance.
- */
-static int vmx_handle_exit(struct kvm_vcpu *vcpu,
-	enum exit_fastpath_completion exit_fastpath)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-	u32 exit_reason = vmx->exit_reason;
-	u32 vectoring_info = vmx->idt_vectoring_info;
-
-	trace_kvm_exit(exit_reason, vcpu, KVM_ISA_VMX);
-
-	/*
-	 * Flush logged GPAs PML buffer, this will make dirty_bitmap more
-	 * updated. Another good is, in kvm_vm_ioctl_get_dirty_log, before
-	 * querying dirty_bitmap, we only need to kick all vcpus out of guest
-	 * mode as if vcpus is in root mode, the PML buffer must has been
-	 * flushed already.
-	 */
-	if (enable_pml)
-		vmx_flush_pml_buffer(vcpu);
-
-	/* If guest state is invalid, start emulating */
-	if (vmx->emulation_required)
-		return handle_invalid_guest_state(vcpu);
-
-	if (is_guest_mode(vcpu) && nested_vmx_exit_reflected(vcpu, exit_reason))
-		return nested_vmx_reflect_vmexit(vcpu, exit_reason);
-
-	if (exit_reason & VMX_EXIT_REASONS_FAILED_VMENTRY) {
-		dump_vmcs();
-		vcpu->run->exit_reason = KVM_EXIT_FAIL_ENTRY;
-		vcpu->run->fail_entry.hardware_entry_failure_reason
-			= exit_reason;
-		return 0;
-	}
-
-	if (unlikely(vmx->fail)) {
-		dump_vmcs();
-		vcpu->run->exit_reason = KVM_EXIT_FAIL_ENTRY;
-		vcpu->run->fail_entry.hardware_entry_failure_reason
-			= vmcs_read32(VM_INSTRUCTION_ERROR);
-		return 0;
-	}
-
-	/*
-	 * Note:
-	 * Do not try to fix EXIT_REASON_EPT_MISCONFIG if it caused by
-	 * delivery event since it indicates guest is accessing MMIO.
-	 * The vm-exit can be triggered again after return to guest that
-	 * will cause infinite loop.
-	 */
-	if ((vectoring_info & VECTORING_INFO_VALID_MASK) &&
-			(exit_reason != EXIT_REASON_EXCEPTION_NMI &&
-			exit_reason != EXIT_REASON_EPT_VIOLATION &&
-			exit_reason != EXIT_REASON_PML_FULL &&
-			exit_reason != EXIT_REASON_TASK_SWITCH)) {
-		vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
-		vcpu->run->internal.suberror = KVM_INTERNAL_ERROR_DELIVERY_EV;
-		vcpu->run->internal.ndata = 3;
-		vcpu->run->internal.data[0] = vectoring_info;
-		vcpu->run->internal.data[1] = exit_reason;
-		vcpu->run->internal.data[2] = vcpu->arch.exit_qualification;
-		if (exit_reason == EXIT_REASON_EPT_MISCONFIG) {
-			vcpu->run->internal.ndata++;
-			vcpu->run->internal.data[3] =
-				vmcs_read64(GUEST_PHYSICAL_ADDRESS);
-		}
-		return 0;
-	}
-
-	if (unlikely(!enable_vnmi &&
-		     vmx->loaded_vmcs->soft_vnmi_blocked)) {
-		if (vmx_interrupt_allowed(vcpu)) {
-			vmx->loaded_vmcs->soft_vnmi_blocked = 0;
-		} else if (vmx->loaded_vmcs->vnmi_blocked_time > 1000000000LL &&
-			   vcpu->arch.nmi_pending) {
-			/*
-			 * This CPU don't support us in finding the end of an
-			 * NMI-blocked window if the guest runs with IRQs
-			 * disabled. So we pull the trigger after 1 s of
-			 * futile waiting, but inform the user about this.
-			 */
-			printk(KERN_WARNING "%s: Breaking out of NMI-blocked "
-			       "state on VCPU %d after 1 s timeout\n",
-			       __func__, vcpu->vcpu_id);
-			vmx->loaded_vmcs->soft_vnmi_blocked = 0;
-		}
-	}
-
-	if (exit_fastpath == EXIT_FASTPATH_SKIP_EMUL_INS) {
-		kvm_skip_emulated_instruction(vcpu);
-		return 1;
-	} else if (exit_reason < kvm_vmx_max_exit_handlers
-	    && kvm_vmx_exit_handlers[exit_reason]) {
-#ifdef CONFIG_RETPOLINE
-		if (exit_reason == EXIT_REASON_MSR_WRITE)
-			return kvm_emulate_wrmsr(vcpu);
-		else if (exit_reason == EXIT_REASON_PREEMPTION_TIMER)
-			return handle_preemption_timer(vcpu);
-		else if (exit_reason == EXIT_REASON_INTERRUPT_WINDOW)
-			return handle_interrupt_window(vcpu);
-		else if (exit_reason == EXIT_REASON_EXTERNAL_INTERRUPT)
-			return handle_external_interrupt(vcpu);
-		else if (exit_reason == EXIT_REASON_HLT)
-			return kvm_emulate_halt(vcpu);
-		else if (exit_reason == EXIT_REASON_EPT_MISCONFIG)
-			return handle_ept_misconfig(vcpu);
-#endif
-		return kvm_vmx_exit_handlers[exit_reason](vcpu);
-	} else {
-		vcpu_unimpl(vcpu, "vmx: unexpected exit reason 0x%x\n",
-				exit_reason);
-		dump_vmcs();
-		vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
-		vcpu->run->internal.suberror =
-			KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON;
-		vcpu->run->internal.ndata = 1;
-		vcpu->run->internal.data[0] = exit_reason;
-		return 0;
-	}
-}
-
-/*
- * Software based L1D cache flush which is used when microcode providing
- * the cache control MSR is not loaded.
- *
- * The L1D cache is 32 KiB on Nehalem and later microarchitectures, but to
- * flush it is required to read in 64 KiB because the replacement algorithm
- * is not exactly LRU. This could be sized at runtime via topology
- * information but as all relevant affected CPUs have 32KiB L1D cache size
- * there is no point in doing so.
- */
-static void vmx_l1d_flush(struct kvm_vcpu *vcpu)
-{
-	int size = PAGE_SIZE << L1D_CACHE_ORDER;
-
-	/*
-	 * This code is only executed when the the flush mode is 'cond' or
-	 * 'always'
-	 */
-	if (static_branch_likely(&vmx_l1d_flush_cond)) {
-		bool flush_l1d;
-
-		/*
-		 * Clear the per-vcpu flush bit, it gets set again
-		 * either from vcpu_run() or from one of the unsafe
-		 * VMEXIT handlers.
-		 */
-		flush_l1d = vcpu->arch.l1tf_flush_l1d;
-		vcpu->arch.l1tf_flush_l1d = false;
-
-		/*
-		 * Clear the per-cpu flush bit, it gets set again from
-		 * the interrupt handlers.
-		 */
-		flush_l1d |= kvm_get_cpu_l1tf_flush_l1d();
-		kvm_clear_cpu_l1tf_flush_l1d();
-
-		if (!flush_l1d)
-			return;
-	}
-
-	vcpu->stat.l1d_flush++;
-
-	if (static_cpu_has(X86_FEATURE_FLUSH_L1D)) {
-		wrmsrl(MSR_IA32_FLUSH_CMD, L1D_FLUSH);
-		return;
-	}
-
-	asm volatile(
-		/* First ensure the pages are in the TLB */
-		"xorl	%%eax, %%eax\n"
-		".Lpopulate_tlb:\n\t"
-		"movzbl	(%[flush_pages], %%" _ASM_AX "), %%ecx\n\t"
-		"addl	$4096, %%eax\n\t"
-		"cmpl	%%eax, %[size]\n\t"
-		"jne	.Lpopulate_tlb\n\t"
-		"xorl	%%eax, %%eax\n\t"
-		"cpuid\n\t"
-		/* Now fill the cache */
-		"xorl	%%eax, %%eax\n"
-		".Lfill_cache:\n"
-		"movzbl	(%[flush_pages], %%" _ASM_AX "), %%ecx\n\t"
-		"addl	$64, %%eax\n\t"
-		"cmpl	%%eax, %[size]\n\t"
-		"jne	.Lfill_cache\n\t"
-		"lfence\n"
-		:: [flush_pages] "r" (vmx_l1d_flush_pages),
-		    [size] "r" (size)
-		: "eax", "ebx", "ecx", "edx");
-}
-
-static void update_cr8_intercept(struct kvm_vcpu *vcpu, int tpr, int irr)
-{
-	struct vmcs12 *vmcs12 = get_vmcs12(vcpu);
-	int tpr_threshold;
-
-	if (is_guest_mode(vcpu) &&
-		nested_cpu_has(vmcs12, CPU_BASED_TPR_SHADOW))
-		return;
-
-	tpr_threshold = (irr == -1 || tpr < irr) ? 0 : irr;
-	if (is_guest_mode(vcpu))
-		to_vmx(vcpu)->nested.l1_tpr_threshold = tpr_threshold;
-	else
-		vmcs_write32(TPR_THRESHOLD, tpr_threshold);
-}
-
-void vmx_set_virtual_apic_mode(struct kvm_vcpu *vcpu)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-	u32 sec_exec_control;
-
-	if (!lapic_in_kernel(vcpu))
-		return;
-
-	if (!flexpriority_enabled &&
-	    !cpu_has_vmx_virtualize_x2apic_mode())
-		return;
-
-	/* Postpone execution until vmcs01 is the current VMCS. */
-	if (is_guest_mode(vcpu)) {
-		vmx->nested.change_vmcs01_virtual_apic_mode = true;
-		return;
-	}
-
-	sec_exec_control = secondary_exec_controls_get(vmx);
-	sec_exec_control &= ~(SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES |
-			      SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE);
-
-	switch (kvm_get_apic_mode(vcpu)) {
-	case LAPIC_MODE_INVALID:
-		WARN_ONCE(true, "Invalid local APIC state");
-	case LAPIC_MODE_DISABLED:
-		break;
-	case LAPIC_MODE_XAPIC:
-		if (flexpriority_enabled) {
-			sec_exec_control |=
-				SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES;
-			vmx_flush_tlb(vcpu, true);
-		}
-		break;
-	case LAPIC_MODE_X2APIC:
-		if (cpu_has_vmx_virtualize_x2apic_mode())
-			sec_exec_control |=
-				SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE;
-		break;
-	}
-	secondary_exec_controls_set(vmx, sec_exec_control);
-
-	vmx_update_msr_bitmap(vcpu);
-}
-
-static void vmx_set_apic_access_page_addr(struct kvm_vcpu *vcpu, hpa_t hpa)
-{
-	if (!is_guest_mode(vcpu)) {
-		vmcs_write64(APIC_ACCESS_ADDR, hpa);
-		vmx_flush_tlb(vcpu, true);
-	}
-}
-
-static void vmx_hwapic_isr_update(struct kvm_vcpu *vcpu, int max_isr)
-{
-	u16 status;
-	u8 old;
-
-	if (max_isr == -1)
-		max_isr = 0;
-
-	status = vmcs_read16(GUEST_INTR_STATUS);
-	old = status >> 8;
-	if (max_isr != old) {
-		status &= 0xff;
-		status |= max_isr << 8;
-		vmcs_write16(GUEST_INTR_STATUS, status);
-	}
-}
-
-static void vmx_set_rvi(int vector)
-{
-	u16 status;
-	u8 old;
-
-	if (vector == -1)
-		vector = 0;
-
-	status = vmcs_read16(GUEST_INTR_STATUS);
-	old = (u8)status & 0xff;
-	if ((u8)vector != old) {
-		status &= ~0xff;
-		status |= (u8)vector;
-		vmcs_write16(GUEST_INTR_STATUS, status);
-	}
-}
-
-static void vmx_hwapic_irr_update(struct kvm_vcpu *vcpu, int max_irr)
-{
-	/*
-	 * When running L2, updating RVI is only relevant when
-	 * vmcs12 virtual-interrupt-delivery enabled.
-	 * However, it can be enabled only when L1 also
-	 * intercepts external-interrupts and in that case
-	 * we should not update vmcs02 RVI but instead intercept
-	 * interrupt. Therefore, do nothing when running L2.
-	 */
-	if (!is_guest_mode(vcpu))
-		vmx_set_rvi(max_irr);
-}
-
-static int vmx_sync_pir_to_irr(struct kvm_vcpu *vcpu)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-	int max_irr;
-	bool max_irr_updated;
-
-	WARN_ON(!vcpu->arch.apicv_active);
-	if (pi_test_on(&vmx->pi_desc)) {
-		pi_clear_on(&vmx->pi_desc);
-		/*
-		 * IOMMU can write to PID.ON, so the barrier matters even on UP.
-		 * But on x86 this is just a compiler barrier anyway.
-		 */
-		smp_mb__after_atomic();
-		max_irr_updated =
-			kvm_apic_update_irr(vcpu, vmx->pi_desc.pir, &max_irr);
-
-		/*
-		 * If we are running L2 and L1 has a new pending interrupt
-		 * which can be injected, we should re-evaluate
-		 * what should be done with this new L1 interrupt.
-		 * If L1 intercepts external-interrupts, we should
-		 * exit from L2 to L1. Otherwise, interrupt should be
-		 * delivered directly to L2.
-		 */
-		if (is_guest_mode(vcpu) && max_irr_updated) {
-			if (nested_exit_on_intr(vcpu))
-				kvm_vcpu_exiting_guest_mode(vcpu);
-			else
-				kvm_make_request(KVM_REQ_EVENT, vcpu);
-		}
-	} else {
-		max_irr = kvm_lapic_find_highest_irr(vcpu);
-	}
-	vmx_hwapic_irr_update(vcpu, max_irr);
-	return max_irr;
-}
-
-static bool vmx_dy_apicv_has_pending_interrupt(struct kvm_vcpu *vcpu)
-{
-	struct pi_desc *pi_desc = vcpu_to_pi_desc(vcpu);
-
-	return pi_test_on(pi_desc) ||
-		(pi_test_sn(pi_desc) && !pi_is_pir_empty(pi_desc));
-}
-
-static void vmx_load_eoi_exitmap(struct kvm_vcpu *vcpu, u64 *eoi_exit_bitmap)
-{
-	if (!kvm_vcpu_apicv_active(vcpu))
-		return;
-
-	vmcs_write64(EOI_EXIT_BITMAP0, eoi_exit_bitmap[0]);
-	vmcs_write64(EOI_EXIT_BITMAP1, eoi_exit_bitmap[1]);
-	vmcs_write64(EOI_EXIT_BITMAP2, eoi_exit_bitmap[2]);
-	vmcs_write64(EOI_EXIT_BITMAP3, eoi_exit_bitmap[3]);
-}
-
-static void vmx_apicv_post_state_restore(struct kvm_vcpu *vcpu)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-
-	pi_clear_on(&vmx->pi_desc);
-	memset(vmx->pi_desc.pir, 0, sizeof(vmx->pi_desc.pir));
-}
-
-static void handle_exception_nmi_irqoff(struct vcpu_vmx *vmx)
-{
-	vmx->exit_intr_info = vmcs_read32(VM_EXIT_INTR_INFO);
-
-	/* if exit due to PF check for async PF */
-	if (is_page_fault(vmx->exit_intr_info))
-		vmx->vcpu.arch.apf.host_apf_reason = kvm_read_and_reset_pf_reason();
-
-	/* Handle machine checks before interrupts are enabled */
-	if (is_machine_check(vmx->exit_intr_info))
-		kvm_machine_check();
-
-	/* We need to handle NMIs before interrupts are enabled */
-	if (is_nmi(vmx->exit_intr_info)) {
-		kvm_before_interrupt(&vmx->vcpu);
-		asm("int $2");
-		kvm_after_interrupt(&vmx->vcpu);
-	}
-}
-
-static void handle_external_interrupt_irqoff(struct kvm_vcpu *vcpu)
-{
-	unsigned int vector;
-	unsigned long entry;
-#ifdef CONFIG_X86_64
-	unsigned long tmp;
-#endif
-	gate_desc *desc;
-	u32 intr_info;
-
-	intr_info = vmcs_read32(VM_EXIT_INTR_INFO);
-	if (WARN_ONCE(!is_external_intr(intr_info),
-	    "KVM: unexpected VM-Exit interrupt info: 0x%x", intr_info))
-		return;
-
-	vector = intr_info & INTR_INFO_VECTOR_MASK;
-	desc = (gate_desc *)host_idt_base + vector;
-	entry = gate_offset(desc);
-
-	kvm_before_interrupt(vcpu);
-
-	asm volatile(
-#ifdef CONFIG_X86_64
-		"mov %%" _ASM_SP ", %[sp]\n\t"
-		"and $0xfffffffffffffff0, %%" _ASM_SP "\n\t"
-		"push $%c[ss]\n\t"
-		"push %[sp]\n\t"
-#endif
-		"pushf\n\t"
-		__ASM_SIZE(push) " $%c[cs]\n\t"
-		CALL_NOSPEC
-		:
-#ifdef CONFIG_X86_64
-		[sp]"=&r"(tmp),
-#endif
-		ASM_CALL_CONSTRAINT
-		:
-		THUNK_TARGET(entry),
-		[ss]"i"(__KERNEL_DS),
-		[cs]"i"(__KERNEL_CS)
-	);
-
-	kvm_after_interrupt(vcpu);
-}
-STACK_FRAME_NON_STANDARD(handle_external_interrupt_irqoff);
-
-static void vmx_handle_exit_irqoff(struct kvm_vcpu *vcpu,
-	enum exit_fastpath_completion *exit_fastpath)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-
-	if (vmx->exit_reason == EXIT_REASON_EXTERNAL_INTERRUPT)
-		handle_external_interrupt_irqoff(vcpu);
-	else if (vmx->exit_reason == EXIT_REASON_EXCEPTION_NMI)
-		handle_exception_nmi_irqoff(vmx);
-	else if (!is_guest_mode(vcpu) &&
-		vmx->exit_reason == EXIT_REASON_MSR_WRITE)
-		*exit_fastpath = handle_fastpath_set_msr_irqoff(vcpu);
-}
-
-static bool vmx_has_emulated_msr(int index)
-{
-	switch (index) {
-	case MSR_IA32_SMBASE:
-		/*
-		 * We cannot do SMM unless we can run the guest in big
-		 * real mode.
-		 */
-		return enable_unrestricted_guest || emulate_invalid_guest_state;
-	case MSR_IA32_VMX_BASIC ... MSR_IA32_VMX_VMFUNC:
-		return nested;
-	case MSR_AMD64_VIRT_SPEC_CTRL:
-		/* This is AMD only.  */
-		return false;
-	default:
-		return true;
-	}
-}
-
-static bool vmx_pt_supported(void)
-{
-	return pt_mode == PT_MODE_HOST_GUEST;
-}
-
-static void vmx_recover_nmi_blocking(struct vcpu_vmx *vmx)
-{
-	u32 exit_intr_info;
-	bool unblock_nmi;
-	u8 vector;
-	bool idtv_info_valid;
-
-	idtv_info_valid = vmx->idt_vectoring_info & VECTORING_INFO_VALID_MASK;
-
-	if (enable_vnmi) {
-		if (vmx->loaded_vmcs->nmi_known_unmasked)
-			return;
-		/*
-		 * Can't use vmx->exit_intr_info since we're not sure what
-		 * the exit reason is.
-		 */
-		exit_intr_info = vmcs_read32(VM_EXIT_INTR_INFO);
-		unblock_nmi = (exit_intr_info & INTR_INFO_UNBLOCK_NMI) != 0;
-		vector = exit_intr_info & INTR_INFO_VECTOR_MASK;
-		/*
-		 * SDM 3: 27.7.1.2 (September 2008)
-		 * Re-set bit "block by NMI" before VM entry if vmexit caused by
-		 * a guest IRET fault.
-		 * SDM 3: 23.2.2 (September 2008)
-		 * Bit 12 is undefined in any of the following cases:
-		 *  If the VM exit sets the valid bit in the IDT-vectoring
-		 *   information field.
-		 *  If the VM exit is due to a double fault.
-		 */
-		if ((exit_intr_info & INTR_INFO_VALID_MASK) && unblock_nmi &&
-		    vector != DF_VECTOR && !idtv_info_valid)
-			vmcs_set_bits(GUEST_INTERRUPTIBILITY_INFO,
-				      GUEST_INTR_STATE_NMI);
-		else
-			vmx->loaded_vmcs->nmi_known_unmasked =
-				!(vmcs_read32(GUEST_INTERRUPTIBILITY_INFO)
-				  & GUEST_INTR_STATE_NMI);
-	} else if (unlikely(vmx->loaded_vmcs->soft_vnmi_blocked))
-		vmx->loaded_vmcs->vnmi_blocked_time +=
-			ktime_to_ns(ktime_sub(ktime_get(),
-					      vmx->loaded_vmcs->entry_time));
-}
-
-static void __vmx_complete_interrupts(struct kvm_vcpu *vcpu,
-				      u32 idt_vectoring_info,
-				      int instr_len_field,
-				      int error_code_field)
-{
-	u8 vector;
-	int type;
-	bool idtv_info_valid;
-
-	idtv_info_valid = idt_vectoring_info & VECTORING_INFO_VALID_MASK;
-
-	vcpu->arch.nmi_injected = false;
-	kvm_clear_exception_queue(vcpu);
-	kvm_clear_interrupt_queue(vcpu);
-
-	if (!idtv_info_valid)
-		return;
-
-	kvm_make_request(KVM_REQ_EVENT, vcpu);
-
-	vector = idt_vectoring_info & VECTORING_INFO_VECTOR_MASK;
-	type = idt_vectoring_info & VECTORING_INFO_TYPE_MASK;
-
-	switch (type) {
-	case INTR_TYPE_NMI_INTR:
-		vcpu->arch.nmi_injected = true;
-		/*
-		 * SDM 3: 27.7.1.2 (September 2008)
-		 * Clear bit "block by NMI" before VM entry if a NMI
-		 * delivery faulted.
-		 */
-		vmx_set_nmi_mask(vcpu, false);
-		break;
-	case INTR_TYPE_SOFT_EXCEPTION:
-		vcpu->arch.event_exit_inst_len = vmcs_read32(instr_len_field);
-		/* fall through */
-	case INTR_TYPE_HARD_EXCEPTION:
-		if (idt_vectoring_info & VECTORING_INFO_DELIVER_CODE_MASK) {
-			u32 err = vmcs_read32(error_code_field);
-			kvm_requeue_exception_e(vcpu, vector, err);
-		} else
-			kvm_requeue_exception(vcpu, vector);
-		break;
-	case INTR_TYPE_SOFT_INTR:
-		vcpu->arch.event_exit_inst_len = vmcs_read32(instr_len_field);
-		/* fall through */
-	case INTR_TYPE_EXT_INTR:
-		kvm_queue_interrupt(vcpu, vector, type == INTR_TYPE_SOFT_INTR);
-		break;
-	default:
-		break;
-	}
-}
-
-static void vmx_complete_interrupts(struct vcpu_vmx *vmx)
-{
-	__vmx_complete_interrupts(&vmx->vcpu, vmx->idt_vectoring_info,
-				  VM_EXIT_INSTRUCTION_LEN,
-				  IDT_VECTORING_ERROR_CODE);
-}
-
-static void vmx_cancel_injection(struct kvm_vcpu *vcpu)
-{
-	__vmx_complete_interrupts(vcpu,
-				  vmcs_read32(VM_ENTRY_INTR_INFO_FIELD),
-				  VM_ENTRY_INSTRUCTION_LEN,
-				  VM_ENTRY_EXCEPTION_ERROR_CODE);
-
-	vmcs_write32(VM_ENTRY_INTR_INFO_FIELD, 0);
-}
-
-static void atomic_switch_perf_msrs(struct vcpu_vmx *vmx)
-{
-	int i, nr_msrs;
-	struct perf_guest_switch_msr *msrs;
-
-	msrs = perf_guest_get_msrs(&nr_msrs);
-
-	if (!msrs)
-		return;
-
-	for (i = 0; i < nr_msrs; i++)
-		if (msrs[i].host == msrs[i].guest)
-			clear_atomic_switch_msr(vmx, msrs[i].msr);
-		else
-			add_atomic_switch_msr(vmx, msrs[i].msr, msrs[i].guest,
-					msrs[i].host, false);
-}
-
-static void atomic_switch_umwait_control_msr(struct vcpu_vmx *vmx)
-{
-	u32 host_umwait_control;
-
-	if (!vmx_has_waitpkg(vmx))
-		return;
-
-	host_umwait_control = get_umwait_control_msr();
-
-	if (vmx->msr_ia32_umwait_control != host_umwait_control)
-		add_atomic_switch_msr(vmx, MSR_IA32_UMWAIT_CONTROL,
-			vmx->msr_ia32_umwait_control,
-			host_umwait_control, false);
-	else
-		clear_atomic_switch_msr(vmx, MSR_IA32_UMWAIT_CONTROL);
-}
-
-static void vmx_update_hv_timer(struct kvm_vcpu *vcpu)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-	u64 tscl;
-	u32 delta_tsc;
-
-	if (vmx->req_immediate_exit) {
-		vmcs_write32(VMX_PREEMPTION_TIMER_VALUE, 0);
-		vmx->loaded_vmcs->hv_timer_soft_disabled = false;
-	} else if (vmx->hv_deadline_tsc != -1) {
-		tscl = rdtsc();
-		if (vmx->hv_deadline_tsc > tscl)
-			/* set_hv_timer ensures the delta fits in 32-bits */
-			delta_tsc = (u32)((vmx->hv_deadline_tsc - tscl) >>
-				cpu_preemption_timer_multi);
-		else
-			delta_tsc = 0;
-
-		vmcs_write32(VMX_PREEMPTION_TIMER_VALUE, delta_tsc);
-		vmx->loaded_vmcs->hv_timer_soft_disabled = false;
-	} else if (!vmx->loaded_vmcs->hv_timer_soft_disabled) {
-		vmcs_write32(VMX_PREEMPTION_TIMER_VALUE, -1);
-		vmx->loaded_vmcs->hv_timer_soft_disabled = true;
-	}
-}
-
-void vmx_update_host_rsp(struct vcpu_vmx *vmx, unsigned long host_rsp)
-{
-	if (unlikely(host_rsp != vmx->loaded_vmcs->host_state.rsp)) {
-		vmx->loaded_vmcs->host_state.rsp = host_rsp;
-		vmcs_writel(HOST_RSP, host_rsp);
-	}
-}
-
-bool __vmx_vcpu_run(struct vcpu_vmx *vmx, unsigned long *regs, bool launched);
-
-static void vmx_vcpu_run(struct kvm_vcpu *vcpu)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-	unsigned long cr3, cr4;
-
-	/* Record the guest's net vcpu time for enforced NMI injections. */
-	if (unlikely(!enable_vnmi &&
-		     vmx->loaded_vmcs->soft_vnmi_blocked))
-		vmx->loaded_vmcs->entry_time = ktime_get();
-
-	/* Don't enter VMX if guest state is invalid, let the exit handler
-	   start emulation until we arrive back to a valid state */
-	if (vmx->emulation_required)
-		return;
-
-	if (vmx->ple_window_dirty) {
-		vmx->ple_window_dirty = false;
-		vmcs_write32(PLE_WINDOW, vmx->ple_window);
-	}
-
-	if (vmx->nested.need_vmcs12_to_shadow_sync)
-		nested_sync_vmcs12_to_shadow(vcpu);
-
-	if (kvm_register_is_dirty(vcpu, VCPU_REGS_RSP))
-		vmcs_writel(GUEST_RSP, vcpu->arch.regs[VCPU_REGS_RSP]);
-	if (kvm_register_is_dirty(vcpu, VCPU_REGS_RIP))
-		vmcs_writel(GUEST_RIP, vcpu->arch.regs[VCPU_REGS_RIP]);
-
-	cr3 = __get_current_cr3_fast();
-	if (unlikely(cr3 != vmx->loaded_vmcs->host_state.cr3)) {
-		vmcs_writel(HOST_CR3, cr3);
-		vmx->loaded_vmcs->host_state.cr3 = cr3;
-	}
-
-	cr4 = cr4_read_shadow();
-	if (unlikely(cr4 != vmx->loaded_vmcs->host_state.cr4)) {
-		vmcs_writel(HOST_CR4, cr4);
-		vmx->loaded_vmcs->host_state.cr4 = cr4;
-	}
-
-	/* When single-stepping over STI and MOV SS, we must clear the
-	 * corresponding interruptibility bits in the guest state. Otherwise
-	 * vmentry fails as it then expects bit 14 (BS) in pending debug
-	 * exceptions being set, but that's not correct for the guest debugging
-	 * case. */
-	if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP)
-		vmx_set_interrupt_shadow(vcpu, 0);
-
-	kvm_load_guest_xsave_state(vcpu);
-
-	if (static_cpu_has(X86_FEATURE_PKU) &&
-	    kvm_read_cr4_bits(vcpu, X86_CR4_PKE) &&
-	    vcpu->arch.pkru != vmx->host_pkru)
-		__write_pkru(vcpu->arch.pkru);
-
-	pt_guest_enter(vmx);
-
-	atomic_switch_perf_msrs(vmx);
-	atomic_switch_umwait_control_msr(vmx);
-
-	if (enable_preemption_timer)
-		vmx_update_hv_timer(vcpu);
-
-	if (lapic_in_kernel(vcpu) &&
-		vcpu->arch.apic->lapic_timer.timer_advance_ns)
-		kvm_wait_lapic_expire(vcpu);
-
-	/*
-	 * If this vCPU has touched SPEC_CTRL, restore the guest's value if
-	 * it's non-zero. Since vmentry is serialising on affected CPUs, there
-	 * is no need to worry about the conditional branch over the wrmsr
-	 * being speculatively taken.
-	 */
-	x86_spec_ctrl_set_guest(vmx->spec_ctrl, 0);
-
-	/* L1D Flush includes CPU buffer clear to mitigate MDS */
-	if (static_branch_unlikely(&vmx_l1d_should_flush))
-		vmx_l1d_flush(vcpu);
-	else if (static_branch_unlikely(&mds_user_clear))
-		mds_clear_cpu_buffers();
-
-	if (vcpu->arch.cr2 != read_cr2())
-		write_cr2(vcpu->arch.cr2);
-
-	vmx->fail = __vmx_vcpu_run(vmx, (unsigned long *)&vcpu->arch.regs,
-				   vmx->loaded_vmcs->launched);
-
-	vcpu->arch.cr2 = read_cr2();
-
-	/*
-	 * We do not use IBRS in the kernel. If this vCPU has used the
-	 * SPEC_CTRL MSR it may have left it on; save the value and
-	 * turn it off. This is much more efficient than blindly adding
-	 * it to the atomic save/restore list. Especially as the former
-	 * (Saving guest MSRs on vmexit) doesn't even exist in KVM.
-	 *
-	 * For non-nested case:
-	 * If the L01 MSR bitmap does not intercept the MSR, then we need to
-	 * save it.
-	 *
-	 * For nested case:
-	 * If the L02 MSR bitmap does not intercept the MSR, then we need to
-	 * save it.
-	 */
-	if (unlikely(!msr_write_intercepted(vcpu, MSR_IA32_SPEC_CTRL)))
-		vmx->spec_ctrl = native_read_msr(MSR_IA32_SPEC_CTRL);
-
-	x86_spec_ctrl_restore_host(vmx->spec_ctrl, 0);
-
-	/* All fields are clean at this point */
-	if (static_branch_unlikely(&enable_evmcs))
-		current_evmcs->hv_clean_fields |=
-			HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL;
-
-	if (static_branch_unlikely(&enable_evmcs))
-		current_evmcs->hv_vp_id = vcpu->arch.hyperv.vp_index;
-
-	/* MSR_IA32_DEBUGCTLMSR is zeroed on vmexit. Restore it if needed */
-	if (vmx->host_debugctlmsr)
-		update_debugctlmsr(vmx->host_debugctlmsr);
-
-#ifndef CONFIG_X86_64
-	/*
-	 * The sysexit path does not restore ds/es, so we must set them to
-	 * a reasonable value ourselves.
-	 *
-	 * We can't defer this to vmx_prepare_switch_to_host() since that
-	 * function may be executed in interrupt context, which saves and
-	 * restore segments around it, nullifying its effect.
-	 */
-	loadsegment(ds, __USER_DS);
-	loadsegment(es, __USER_DS);
-#endif
-
-	vcpu->arch.regs_avail = ~((1 << VCPU_REGS_RIP) | (1 << VCPU_REGS_RSP)
-				  | (1 << VCPU_EXREG_RFLAGS)
-				  | (1 << VCPU_EXREG_PDPTR)
-				  | (1 << VCPU_EXREG_SEGMENTS)
-				  | (1 << VCPU_EXREG_CR3));
-	vcpu->arch.regs_dirty = 0;
-
-	pt_guest_exit(vmx);
-
-	/*
-	 * eager fpu is enabled if PKEY is supported and CR4 is switched
-	 * back on host, so it is safe to read guest PKRU from current
-	 * XSAVE.
-	 */
-	if (static_cpu_has(X86_FEATURE_PKU) &&
-	    kvm_read_cr4_bits(vcpu, X86_CR4_PKE)) {
-		vcpu->arch.pkru = rdpkru();
-		if (vcpu->arch.pkru != vmx->host_pkru)
-			__write_pkru(vmx->host_pkru);
-	}
-
-	kvm_load_host_xsave_state(vcpu);
-
-	vmx->nested.nested_run_pending = 0;
-	vmx->idt_vectoring_info = 0;
-
-	vmx->exit_reason = vmx->fail ? 0xdead : vmcs_read32(VM_EXIT_REASON);
-	if ((u16)vmx->exit_reason == EXIT_REASON_MCE_DURING_VMENTRY)
-		kvm_machine_check();
-
-	if (vmx->fail || (vmx->exit_reason & VMX_EXIT_REASONS_FAILED_VMENTRY))
-		return;
-
-	vmx->loaded_vmcs->launched = 1;
-	vmx->idt_vectoring_info = vmcs_read32(IDT_VECTORING_INFO_FIELD);
-
-	vmx_recover_nmi_blocking(vmx);
-	vmx_complete_interrupts(vmx);
-}
-
-static struct kvm *vmx_vm_alloc(void)
-{
-	struct kvm_vmx *kvm_vmx = __vmalloc(sizeof(struct kvm_vmx),
-					    GFP_KERNEL_ACCOUNT | __GFP_ZERO,
-					    PAGE_KERNEL);
-	return &kvm_vmx->kvm;
-}
-
-static void vmx_vm_free(struct kvm *kvm)
-{
-	kfree(kvm->arch.hyperv.hv_pa_pg);
-	vfree(to_kvm_vmx(kvm));
-}
-
-static void vmx_free_vcpu(struct kvm_vcpu *vcpu)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-
-	if (enable_pml)
-		vmx_destroy_pml_buffer(vmx);
-	free_vpid(vmx->vpid);
-	nested_vmx_free_vcpu(vcpu);
-	free_loaded_vmcs(vmx->loaded_vmcs);
-	kvm_vcpu_uninit(vcpu);
-	kmem_cache_free(x86_fpu_cache, vmx->vcpu.arch.user_fpu);
-	kmem_cache_free(x86_fpu_cache, vmx->vcpu.arch.guest_fpu);
-	kmem_cache_free(kvm_vcpu_cache, vmx);
-}
-
-static struct kvm_vcpu *vmx_create_vcpu(struct kvm *kvm, unsigned int id)
-{
-	int err;
-	struct vcpu_vmx *vmx;
-	unsigned long *msr_bitmap;
-	int i, cpu;
-
-	BUILD_BUG_ON_MSG(offsetof(struct vcpu_vmx, vcpu) != 0,
-		"struct kvm_vcpu must be at offset 0 for arch usercopy region");
-
-	vmx = kmem_cache_zalloc(kvm_vcpu_cache, GFP_KERNEL_ACCOUNT);
-	if (!vmx)
-		return ERR_PTR(-ENOMEM);
-
-	vmx->vcpu.arch.user_fpu = kmem_cache_zalloc(x86_fpu_cache,
-			GFP_KERNEL_ACCOUNT);
-	if (!vmx->vcpu.arch.user_fpu) {
-		printk(KERN_ERR "kvm: failed to allocate kvm userspace's fpu\n");
-		err = -ENOMEM;
-		goto free_partial_vcpu;
-	}
-
-	vmx->vcpu.arch.guest_fpu = kmem_cache_zalloc(x86_fpu_cache,
-			GFP_KERNEL_ACCOUNT);
-	if (!vmx->vcpu.arch.guest_fpu) {
-		printk(KERN_ERR "kvm: failed to allocate vcpu's fpu\n");
-		err = -ENOMEM;
-		goto free_user_fpu;
-	}
-
-	vmx->vpid = allocate_vpid();
-
-	err = kvm_vcpu_init(&vmx->vcpu, kvm, id);
-	if (err)
-		goto free_vcpu;
-
-	err = -ENOMEM;
-
-	/*
-	 * If PML is turned on, failure on enabling PML just results in failure
-	 * of creating the vcpu, therefore we can simplify PML logic (by
-	 * avoiding dealing with cases, such as enabling PML partially on vcpus
-	 * for the guest), etc.
-	 */
-	if (enable_pml) {
-		vmx->pml_pg = alloc_page(GFP_KERNEL_ACCOUNT | __GFP_ZERO);
-		if (!vmx->pml_pg)
-			goto uninit_vcpu;
-	}
-
-	BUILD_BUG_ON(ARRAY_SIZE(vmx_msr_index) != NR_SHARED_MSRS);
-
-	for (i = 0; i < ARRAY_SIZE(vmx_msr_index); ++i) {
-		u32 index = vmx_msr_index[i];
-		u32 data_low, data_high;
-		int j = vmx->nmsrs;
-
-		if (rdmsr_safe(index, &data_low, &data_high) < 0)
-			continue;
-		if (wrmsr_safe(index, data_low, data_high) < 0)
-			continue;
-
-		vmx->guest_msrs[j].index = i;
-		vmx->guest_msrs[j].data = 0;
-		switch (index) {
-		case MSR_IA32_TSX_CTRL:
-			/*
-			 * No need to pass TSX_CTRL_CPUID_CLEAR through, so
-			 * let's avoid changing CPUID bits under the host
-			 * kernel's feet.
-			 */
-			vmx->guest_msrs[j].mask = ~(u64)TSX_CTRL_CPUID_CLEAR;
-			break;
-		default:
-			vmx->guest_msrs[j].mask = -1ull;
-			break;
-		}
-		++vmx->nmsrs;
-	}
-
-	err = alloc_loaded_vmcs(&vmx->vmcs01);
-	if (err < 0)
-		goto free_pml;
-
-	msr_bitmap = vmx->vmcs01.msr_bitmap;
-	vmx_disable_intercept_for_msr(msr_bitmap, MSR_IA32_TSC, MSR_TYPE_R);
-	vmx_disable_intercept_for_msr(msr_bitmap, MSR_FS_BASE, MSR_TYPE_RW);
-	vmx_disable_intercept_for_msr(msr_bitmap, MSR_GS_BASE, MSR_TYPE_RW);
-	vmx_disable_intercept_for_msr(msr_bitmap, MSR_KERNEL_GS_BASE, MSR_TYPE_RW);
-	vmx_disable_intercept_for_msr(msr_bitmap, MSR_IA32_SYSENTER_CS, MSR_TYPE_RW);
-	vmx_disable_intercept_for_msr(msr_bitmap, MSR_IA32_SYSENTER_ESP, MSR_TYPE_RW);
-	vmx_disable_intercept_for_msr(msr_bitmap, MSR_IA32_SYSENTER_EIP, MSR_TYPE_RW);
-	if (kvm_cstate_in_guest(kvm)) {
-		vmx_disable_intercept_for_msr(msr_bitmap, MSR_CORE_C1_RES, MSR_TYPE_R);
-		vmx_disable_intercept_for_msr(msr_bitmap, MSR_CORE_C3_RESIDENCY, MSR_TYPE_R);
-		vmx_disable_intercept_for_msr(msr_bitmap, MSR_CORE_C6_RESIDENCY, MSR_TYPE_R);
-		vmx_disable_intercept_for_msr(msr_bitmap, MSR_CORE_C7_RESIDENCY, MSR_TYPE_R);
-	}
-	vmx->msr_bitmap_mode = 0;
-
-	vmx->loaded_vmcs = &vmx->vmcs01;
-	cpu = get_cpu();
-	vmx_vcpu_load(&vmx->vcpu, cpu);
-	vmx->vcpu.cpu = cpu;
-	init_vmcs(vmx);
-	vmx_vcpu_put(&vmx->vcpu);
-	put_cpu();
-	if (cpu_need_virtualize_apic_accesses(&vmx->vcpu)) {
-		err = alloc_apic_access_page(kvm);
-		if (err)
-			goto free_vmcs;
-	}
-
-	if (enable_ept && !enable_unrestricted_guest) {
-		err = init_rmode_identity_map(kvm);
-		if (err)
-			goto free_vmcs;
-	}
-
-	if (nested)
-		nested_vmx_setup_ctls_msrs(&vmx->nested.msrs,
-					   vmx_capability.ept,
-					   kvm_vcpu_apicv_active(&vmx->vcpu));
-	else
-		memset(&vmx->nested.msrs, 0, sizeof(vmx->nested.msrs));
-
-	vmx->nested.posted_intr_nv = -1;
-	vmx->nested.current_vmptr = -1ull;
-
-	vmx->msr_ia32_feature_control_valid_bits = FEATURE_CONTROL_LOCKED;
-
-	/*
-	 * Enforce invariant: pi_desc.nv is always either POSTED_INTR_VECTOR
-	 * or POSTED_INTR_WAKEUP_VECTOR.
-	 */
-	vmx->pi_desc.nv = POSTED_INTR_VECTOR;
-	vmx->pi_desc.sn = 1;
-
-	vmx->ept_pointer = INVALID_PAGE;
-
-	return &vmx->vcpu;
-
-free_vmcs:
-	free_loaded_vmcs(vmx->loaded_vmcs);
-free_pml:
-	vmx_destroy_pml_buffer(vmx);
-uninit_vcpu:
-	kvm_vcpu_uninit(&vmx->vcpu);
-free_vcpu:
-	free_vpid(vmx->vpid);
-	kmem_cache_free(x86_fpu_cache, vmx->vcpu.arch.guest_fpu);
-free_user_fpu:
-	kmem_cache_free(x86_fpu_cache, vmx->vcpu.arch.user_fpu);
-free_partial_vcpu:
-	kmem_cache_free(kvm_vcpu_cache, vmx);
-	return ERR_PTR(err);
-}
-
-#define L1TF_MSG_SMT "L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details.\n"
-#define L1TF_MSG_L1D "L1TF CPU bug present and virtualization mitigation disabled, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details.\n"
-
-static int vmx_vm_init(struct kvm *kvm)
-{
-	spin_lock_init(&to_kvm_vmx(kvm)->ept_pointer_lock);
-
-	if (!ple_gap)
-		kvm->arch.pause_in_guest = true;
-
-	if (boot_cpu_has(X86_BUG_L1TF) && enable_ept) {
-		switch (l1tf_mitigation) {
-		case L1TF_MITIGATION_OFF:
-		case L1TF_MITIGATION_FLUSH_NOWARN:
-			/* 'I explicitly don't care' is set */
-			break;
-		case L1TF_MITIGATION_FLUSH:
-		case L1TF_MITIGATION_FLUSH_NOSMT:
-		case L1TF_MITIGATION_FULL:
-			/*
-			 * Warn upon starting the first VM in a potentially
-			 * insecure environment.
-			 */
-			if (sched_smt_active())
-				pr_warn_once(L1TF_MSG_SMT);
-			if (l1tf_vmx_mitigation == VMENTER_L1D_FLUSH_NEVER)
-				pr_warn_once(L1TF_MSG_L1D);
-			break;
-		case L1TF_MITIGATION_FULL_FORCE:
-			/* Flush is enforced */
-			break;
-		}
-	}
-	return 0;
-}
-
-static int __init vmx_check_processor_compat(void)
-{
-	struct vmcs_config vmcs_conf;
-	struct vmx_capability vmx_cap;
-
-	if (setup_vmcs_config(&vmcs_conf, &vmx_cap) < 0)
-		return -EIO;
-	if (nested)
-		nested_vmx_setup_ctls_msrs(&vmcs_conf.nested, vmx_cap.ept,
-					   enable_apicv);
-	if (memcmp(&vmcs_config, &vmcs_conf, sizeof(struct vmcs_config)) != 0) {
-		printk(KERN_ERR "kvm: CPU %d feature inconsistency!\n",
-				smp_processor_id());
-		return -EIO;
-	}
-	return 0;
-}
-
-static u64 vmx_get_mt_mask(struct kvm_vcpu *vcpu, gfn_t gfn, bool is_mmio)
-{
-	u8 cache;
-	u64 ipat = 0;
-
-	/* For VT-d and EPT combination
-	 * 1. MMIO: always map as UC
-	 * 2. EPT with VT-d:
-	 *   a. VT-d without snooping control feature: can't guarantee the
-	 *	result, try to trust guest.
-	 *   b. VT-d with snooping control feature: snooping control feature of
-	 *	VT-d engine can guarantee the cache correctness. Just set it
-	 *	to WB to keep consistent with host. So the same as item 3.
-	 * 3. EPT without VT-d: always map as WB and set IPAT=1 to keep
-	 *    consistent with host MTRR
-	 */
-	if (is_mmio) {
-		cache = MTRR_TYPE_UNCACHABLE;
-		goto exit;
-	}
-
-	if (!kvm_arch_has_noncoherent_dma(vcpu->kvm)) {
-		ipat = VMX_EPT_IPAT_BIT;
-		cache = MTRR_TYPE_WRBACK;
-		goto exit;
-	}
-
-	if (kvm_read_cr0(vcpu) & X86_CR0_CD) {
-		ipat = VMX_EPT_IPAT_BIT;
-		if (kvm_check_has_quirk(vcpu->kvm, KVM_X86_QUIRK_CD_NW_CLEARED))
-			cache = MTRR_TYPE_WRBACK;
-		else
-			cache = MTRR_TYPE_UNCACHABLE;
-		goto exit;
-	}
-
-	cache = kvm_mtrr_get_guest_memory_type(vcpu, gfn);
-
-exit:
-	return (cache << VMX_EPT_MT_EPTE_SHIFT) | ipat;
-}
-
-static int vmx_get_lpage_level(void)
-{
-	if (enable_ept && !cpu_has_vmx_ept_1g_page())
-		return PT_DIRECTORY_LEVEL;
-	else
-		/* For shadow and EPT supported 1GB page */
-		return PT_PDPE_LEVEL;
-}
-
-static void vmcs_set_secondary_exec_control(struct vcpu_vmx *vmx)
-{
-	/*
-	 * These bits in the secondary execution controls field
-	 * are dynamic, the others are mostly based on the hypervisor
-	 * architecture and the guest's CPUID.  Do not touch the
-	 * dynamic bits.
-	 */
-	u32 mask =
-		SECONDARY_EXEC_SHADOW_VMCS |
-		SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE |
-		SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES |
-		SECONDARY_EXEC_DESC;
-
-	u32 new_ctl = vmx->secondary_exec_control;
-	u32 cur_ctl = secondary_exec_controls_get(vmx);
-
-	secondary_exec_controls_set(vmx, (new_ctl & ~mask) | (cur_ctl & mask));
-}
-
-/*
- * Generate MSR_IA32_VMX_CR{0,4}_FIXED1 according to CPUID. Only set bits
- * (indicating "allowed-1") if they are supported in the guest's CPUID.
- */
-static void nested_vmx_cr_fixed1_bits_update(struct kvm_vcpu *vcpu)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-	struct kvm_cpuid_entry2 *entry;
-
-	vmx->nested.msrs.cr0_fixed1 = 0xffffffff;
-	vmx->nested.msrs.cr4_fixed1 = X86_CR4_PCE;
-
-#define cr4_fixed1_update(_cr4_mask, _reg, _cpuid_mask) do {		\
-	if (entry && (entry->_reg & (_cpuid_mask)))			\
-		vmx->nested.msrs.cr4_fixed1 |= (_cr4_mask);	\
-} while (0)
-
-	entry = kvm_find_cpuid_entry(vcpu, 0x1, 0);
-	cr4_fixed1_update(X86_CR4_VME,        edx, bit(X86_FEATURE_VME));
-	cr4_fixed1_update(X86_CR4_PVI,        edx, bit(X86_FEATURE_VME));
-	cr4_fixed1_update(X86_CR4_TSD,        edx, bit(X86_FEATURE_TSC));
-	cr4_fixed1_update(X86_CR4_DE,         edx, bit(X86_FEATURE_DE));
-	cr4_fixed1_update(X86_CR4_PSE,        edx, bit(X86_FEATURE_PSE));
-	cr4_fixed1_update(X86_CR4_PAE,        edx, bit(X86_FEATURE_PAE));
-	cr4_fixed1_update(X86_CR4_MCE,        edx, bit(X86_FEATURE_MCE));
-	cr4_fixed1_update(X86_CR4_PGE,        edx, bit(X86_FEATURE_PGE));
-	cr4_fixed1_update(X86_CR4_OSFXSR,     edx, bit(X86_FEATURE_FXSR));
-	cr4_fixed1_update(X86_CR4_OSXMMEXCPT, edx, bit(X86_FEATURE_XMM));
-	cr4_fixed1_update(X86_CR4_VMXE,       ecx, bit(X86_FEATURE_VMX));
-	cr4_fixed1_update(X86_CR4_SMXE,       ecx, bit(X86_FEATURE_SMX));
-	cr4_fixed1_update(X86_CR4_PCIDE,      ecx, bit(X86_FEATURE_PCID));
-	cr4_fixed1_update(X86_CR4_OSXSAVE,    ecx, bit(X86_FEATURE_XSAVE));
-
-	entry = kvm_find_cpuid_entry(vcpu, 0x7, 0);
-	cr4_fixed1_update(X86_CR4_FSGSBASE,   ebx, bit(X86_FEATURE_FSGSBASE));
-	cr4_fixed1_update(X86_CR4_SMEP,       ebx, bit(X86_FEATURE_SMEP));
-	cr4_fixed1_update(X86_CR4_SMAP,       ebx, bit(X86_FEATURE_SMAP));
-	cr4_fixed1_update(X86_CR4_PKE,        ecx, bit(X86_FEATURE_PKU));
-	cr4_fixed1_update(X86_CR4_UMIP,       ecx, bit(X86_FEATURE_UMIP));
-	cr4_fixed1_update(X86_CR4_LA57,       ecx, bit(X86_FEATURE_LA57));
-
-#undef cr4_fixed1_update
-}
-
-static void nested_vmx_entry_exit_ctls_update(struct kvm_vcpu *vcpu)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-
-	if (kvm_mpx_supported()) {
-		bool mpx_enabled = guest_cpuid_has(vcpu, X86_FEATURE_MPX);
-
-		if (mpx_enabled) {
-			vmx->nested.msrs.entry_ctls_high |= VM_ENTRY_LOAD_BNDCFGS;
-			vmx->nested.msrs.exit_ctls_high |= VM_EXIT_CLEAR_BNDCFGS;
-		} else {
-			vmx->nested.msrs.entry_ctls_high &= ~VM_ENTRY_LOAD_BNDCFGS;
-			vmx->nested.msrs.exit_ctls_high &= ~VM_EXIT_CLEAR_BNDCFGS;
-		}
-	}
-}
-
-static void update_intel_pt_cfg(struct kvm_vcpu *vcpu)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-	struct kvm_cpuid_entry2 *best = NULL;
-	int i;
-
-	for (i = 0; i < PT_CPUID_LEAVES; i++) {
-		best = kvm_find_cpuid_entry(vcpu, 0x14, i);
-		if (!best)
-			return;
-		vmx->pt_desc.caps[CPUID_EAX + i*PT_CPUID_REGS_NUM] = best->eax;
-		vmx->pt_desc.caps[CPUID_EBX + i*PT_CPUID_REGS_NUM] = best->ebx;
-		vmx->pt_desc.caps[CPUID_ECX + i*PT_CPUID_REGS_NUM] = best->ecx;
-		vmx->pt_desc.caps[CPUID_EDX + i*PT_CPUID_REGS_NUM] = best->edx;
-	}
-
-	/* Get the number of configurable Address Ranges for filtering */
-	vmx->pt_desc.addr_range = intel_pt_validate_cap(vmx->pt_desc.caps,
-						PT_CAP_num_address_ranges);
-
-	/* Initialize and clear the no dependency bits */
-	vmx->pt_desc.ctl_bitmask = ~(RTIT_CTL_TRACEEN | RTIT_CTL_OS |
-			RTIT_CTL_USR | RTIT_CTL_TSC_EN | RTIT_CTL_DISRETC);
-
-	/*
-	 * If CPUID.(EAX=14H,ECX=0):EBX[0]=1 CR3Filter can be set otherwise
-	 * will inject an #GP
-	 */
-	if (intel_pt_validate_cap(vmx->pt_desc.caps, PT_CAP_cr3_filtering))
-		vmx->pt_desc.ctl_bitmask &= ~RTIT_CTL_CR3EN;
-
-	/*
-	 * If CPUID.(EAX=14H,ECX=0):EBX[1]=1 CYCEn, CycThresh and
-	 * PSBFreq can be set
-	 */
-	if (intel_pt_validate_cap(vmx->pt_desc.caps, PT_CAP_psb_cyc))
-		vmx->pt_desc.ctl_bitmask &= ~(RTIT_CTL_CYCLEACC |
-				RTIT_CTL_CYC_THRESH | RTIT_CTL_PSB_FREQ);
-
-	/*
-	 * If CPUID.(EAX=14H,ECX=0):EBX[3]=1 MTCEn BranchEn and
-	 * MTCFreq can be set
-	 */
-	if (intel_pt_validate_cap(vmx->pt_desc.caps, PT_CAP_mtc))
-		vmx->pt_desc.ctl_bitmask &= ~(RTIT_CTL_MTC_EN |
-				RTIT_CTL_BRANCH_EN | RTIT_CTL_MTC_RANGE);
-
-	/* If CPUID.(EAX=14H,ECX=0):EBX[4]=1 FUPonPTW and PTWEn can be set */
-	if (intel_pt_validate_cap(vmx->pt_desc.caps, PT_CAP_ptwrite))
-		vmx->pt_desc.ctl_bitmask &= ~(RTIT_CTL_FUP_ON_PTW |
-							RTIT_CTL_PTW_EN);
-
-	/* If CPUID.(EAX=14H,ECX=0):EBX[5]=1 PwrEvEn can be set */
-	if (intel_pt_validate_cap(vmx->pt_desc.caps, PT_CAP_power_event_trace))
-		vmx->pt_desc.ctl_bitmask &= ~RTIT_CTL_PWR_EVT_EN;
-
-	/* If CPUID.(EAX=14H,ECX=0):ECX[0]=1 ToPA can be set */
-	if (intel_pt_validate_cap(vmx->pt_desc.caps, PT_CAP_topa_output))
-		vmx->pt_desc.ctl_bitmask &= ~RTIT_CTL_TOPA;
-
-	/* If CPUID.(EAX=14H,ECX=0):ECX[3]=1 FabircEn can be set */
-	if (intel_pt_validate_cap(vmx->pt_desc.caps, PT_CAP_output_subsys))
-		vmx->pt_desc.ctl_bitmask &= ~RTIT_CTL_FABRIC_EN;
-
-	/* unmask address range configure area */
-	for (i = 0; i < vmx->pt_desc.addr_range; i++)
-		vmx->pt_desc.ctl_bitmask &= ~(0xfULL << (32 + i * 4));
-}
-
-static void vmx_cpuid_update(struct kvm_vcpu *vcpu)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-
-	/* xsaves_enabled is recomputed in vmx_compute_secondary_exec_control(). */
-	vcpu->arch.xsaves_enabled = false;
-
-	if (cpu_has_secondary_exec_ctrls()) {
-		vmx_compute_secondary_exec_control(vmx);
-		vmcs_set_secondary_exec_control(vmx);
-	}
-
-	if (nested_vmx_allowed(vcpu))
-		to_vmx(vcpu)->msr_ia32_feature_control_valid_bits |=
-			FEATURE_CONTROL_VMXON_ENABLED_INSIDE_SMX |
-			FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX;
-	else
-		to_vmx(vcpu)->msr_ia32_feature_control_valid_bits &=
-			~(FEATURE_CONTROL_VMXON_ENABLED_INSIDE_SMX |
-			  FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX);
-
-	if (nested_vmx_allowed(vcpu)) {
-		nested_vmx_cr_fixed1_bits_update(vcpu);
-		nested_vmx_entry_exit_ctls_update(vcpu);
-	}
-
-	if (boot_cpu_has(X86_FEATURE_INTEL_PT) &&
-			guest_cpuid_has(vcpu, X86_FEATURE_INTEL_PT))
-		update_intel_pt_cfg(vcpu);
-
-	if (boot_cpu_has(X86_FEATURE_RTM)) {
-		struct shared_msr_entry *msr;
-		msr = find_msr_entry(vmx, MSR_IA32_TSX_CTRL);
-		if (msr) {
-			bool enabled = guest_cpuid_has(vcpu, X86_FEATURE_RTM);
-			vmx_set_guest_msr(vmx, msr, enabled ? 0 : TSX_CTRL_RTM_DISABLE);
-		}
-	}
-}
-
-static void vmx_set_supported_cpuid(u32 func, struct kvm_cpuid_entry2 *entry)
-{
-	if (func == 1 && nested)
-		entry->ecx |= bit(X86_FEATURE_VMX);
-}
-
-static void vmx_request_immediate_exit(struct kvm_vcpu *vcpu)
-{
-	to_vmx(vcpu)->req_immediate_exit = true;
-}
-
-static int vmx_check_intercept(struct kvm_vcpu *vcpu,
-			       struct x86_instruction_info *info,
-			       enum x86_intercept_stage stage)
-{
-	struct vmcs12 *vmcs12 = get_vmcs12(vcpu);
-	struct x86_emulate_ctxt *ctxt = &vcpu->arch.emulate_ctxt;
-
-	/*
-	 * RDPID causes #UD if disabled through secondary execution controls.
-	 * Because it is marked as EmulateOnUD, we need to intercept it here.
-	 */
-	if (info->intercept == x86_intercept_rdtscp &&
-	    !nested_cpu_has2(vmcs12, SECONDARY_EXEC_RDTSCP)) {
-		ctxt->exception.vector = UD_VECTOR;
-		ctxt->exception.error_code_valid = false;
-		return X86EMUL_PROPAGATE_FAULT;
-	}
-
-	/* TODO: check more intercepts... */
-	return X86EMUL_CONTINUE;
-}
-
-#ifdef CONFIG_X86_64
-/* (a << shift) / divisor, return 1 if overflow otherwise 0 */
-static inline int u64_shl_div_u64(u64 a, unsigned int shift,
-				  u64 divisor, u64 *result)
-{
-	u64 low = a << shift, high = a >> (64 - shift);
-
-	/* To avoid the overflow on divq */
-	if (high >= divisor)
-		return 1;
-
-	/* Low hold the result, high hold rem which is discarded */
-	asm("divq %2\n\t" : "=a" (low), "=d" (high) :
-	    "rm" (divisor), "0" (low), "1" (high));
-	*result = low;
-
-	return 0;
-}
-
-static int vmx_set_hv_timer(struct kvm_vcpu *vcpu, u64 guest_deadline_tsc,
-			    bool *expired)
-{
-	struct vcpu_vmx *vmx;
-	u64 tscl, guest_tscl, delta_tsc, lapic_timer_advance_cycles;
-	struct kvm_timer *ktimer = &vcpu->arch.apic->lapic_timer;
-
-	if (kvm_mwait_in_guest(vcpu->kvm) ||
-		kvm_can_post_timer_interrupt(vcpu))
-		return -EOPNOTSUPP;
-
-	vmx = to_vmx(vcpu);
-	tscl = rdtsc();
-	guest_tscl = kvm_read_l1_tsc(vcpu, tscl);
-	delta_tsc = max(guest_deadline_tsc, guest_tscl) - guest_tscl;
-	lapic_timer_advance_cycles = nsec_to_cycles(vcpu,
-						    ktimer->timer_advance_ns);
-
-	if (delta_tsc > lapic_timer_advance_cycles)
-		delta_tsc -= lapic_timer_advance_cycles;
-	else
-		delta_tsc = 0;
-
-	/* Convert to host delta tsc if tsc scaling is enabled */
-	if (vcpu->arch.tsc_scaling_ratio != kvm_default_tsc_scaling_ratio &&
-	    delta_tsc && u64_shl_div_u64(delta_tsc,
-				kvm_tsc_scaling_ratio_frac_bits,
-				vcpu->arch.tsc_scaling_ratio, &delta_tsc))
-		return -ERANGE;
-
-	/*
-	 * If the delta tsc can't fit in the 32 bit after the multi shift,
-	 * we can't use the preemption timer.
-	 * It's possible that it fits on later vmentries, but checking
-	 * on every vmentry is costly so we just use an hrtimer.
-	 */
-	if (delta_tsc >> (cpu_preemption_timer_multi + 32))
-		return -ERANGE;
-
-	vmx->hv_deadline_tsc = tscl + delta_tsc;
-	*expired = !delta_tsc;
-	return 0;
-}
-
-static void vmx_cancel_hv_timer(struct kvm_vcpu *vcpu)
-{
-	to_vmx(vcpu)->hv_deadline_tsc = -1;
-}
-#endif
-
-static void vmx_sched_in(struct kvm_vcpu *vcpu, int cpu)
-{
-	if (!kvm_pause_in_guest(vcpu->kvm))
-		shrink_ple_window(vcpu);
-}
-
-static void vmx_slot_enable_log_dirty(struct kvm *kvm,
-				     struct kvm_memory_slot *slot)
-{
-	kvm_mmu_slot_leaf_clear_dirty(kvm, slot);
-	kvm_mmu_slot_largepage_remove_write_access(kvm, slot);
-}
-
-static void vmx_slot_disable_log_dirty(struct kvm *kvm,
-				       struct kvm_memory_slot *slot)
-{
-	kvm_mmu_slot_set_dirty(kvm, slot);
-}
-
-static void vmx_flush_log_dirty(struct kvm *kvm)
-{
-	kvm_flush_pml_buffers(kvm);
-}
-
-static int vmx_write_pml_buffer(struct kvm_vcpu *vcpu)
-{
-	struct vmcs12 *vmcs12;
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-	gpa_t gpa, dst;
-
-	if (is_guest_mode(vcpu)) {
-		WARN_ON_ONCE(vmx->nested.pml_full);
-
-		/*
-		 * Check if PML is enabled for the nested guest.
-		 * Whether eptp bit 6 is set is already checked
-		 * as part of A/D emulation.
-		 */
-		vmcs12 = get_vmcs12(vcpu);
-		if (!nested_cpu_has_pml(vmcs12))
-			return 0;
-
-		if (vmcs12->guest_pml_index >= PML_ENTITY_NUM) {
-			vmx->nested.pml_full = true;
-			return 1;
-		}
-
-		gpa = vmcs_read64(GUEST_PHYSICAL_ADDRESS) & ~0xFFFull;
-		dst = vmcs12->pml_address + sizeof(u64) * vmcs12->guest_pml_index;
-
-		if (kvm_write_guest_page(vcpu->kvm, gpa_to_gfn(dst), &gpa,
-					 offset_in_page(dst), sizeof(gpa)))
-			return 0;
-
-		vmcs12->guest_pml_index--;
-	}
-
-	return 0;
-}
-
-static void vmx_enable_log_dirty_pt_masked(struct kvm *kvm,
-					   struct kvm_memory_slot *memslot,
-					   gfn_t offset, unsigned long mask)
-{
-	kvm_mmu_clear_dirty_pt_masked(kvm, memslot, offset, mask);
-}
-
-static void __pi_post_block(struct kvm_vcpu *vcpu)
-{
-	struct pi_desc *pi_desc = vcpu_to_pi_desc(vcpu);
-	struct pi_desc old, new;
-	unsigned int dest;
-
-	do {
-		old.control = new.control = pi_desc->control;
-		WARN(old.nv != POSTED_INTR_WAKEUP_VECTOR,
-		     "Wakeup handler not enabled while the VCPU is blocked\n");
-
-		dest = cpu_physical_id(vcpu->cpu);
-
-		if (x2apic_enabled())
-			new.ndst = dest;
-		else
-			new.ndst = (dest << 8) & 0xFF00;
-
-		/* set 'NV' to 'notification vector' */
-		new.nv = POSTED_INTR_VECTOR;
-	} while (cmpxchg64(&pi_desc->control, old.control,
-			   new.control) != old.control);
-
-	if (!WARN_ON_ONCE(vcpu->pre_pcpu == -1)) {
-		spin_lock(&per_cpu(blocked_vcpu_on_cpu_lock, vcpu->pre_pcpu));
-		list_del(&vcpu->blocked_vcpu_list);
-		spin_unlock(&per_cpu(blocked_vcpu_on_cpu_lock, vcpu->pre_pcpu));
-		vcpu->pre_pcpu = -1;
-	}
-}
-
-/*
- * This routine does the following things for vCPU which is going
- * to be blocked if VT-d PI is enabled.
- * - Store the vCPU to the wakeup list, so when interrupts happen
- *   we can find the right vCPU to wake up.
- * - Change the Posted-interrupt descriptor as below:
- *      'NDST' <-- vcpu->pre_pcpu
- *      'NV' <-- POSTED_INTR_WAKEUP_VECTOR
- * - If 'ON' is set during this process, which means at least one
- *   interrupt is posted for this vCPU, we cannot block it, in
- *   this case, return 1, otherwise, return 0.
- *
- */
-static int pi_pre_block(struct kvm_vcpu *vcpu)
-{
-	unsigned int dest;
-	struct pi_desc old, new;
-	struct pi_desc *pi_desc = vcpu_to_pi_desc(vcpu);
-
-	if (!kvm_arch_has_assigned_device(vcpu->kvm) ||
-		!irq_remapping_cap(IRQ_POSTING_CAP)  ||
-		!kvm_vcpu_apicv_active(vcpu))
-		return 0;
-
-	WARN_ON(irqs_disabled());
-	local_irq_disable();
-	if (!WARN_ON_ONCE(vcpu->pre_pcpu != -1)) {
-		vcpu->pre_pcpu = vcpu->cpu;
-		spin_lock(&per_cpu(blocked_vcpu_on_cpu_lock, vcpu->pre_pcpu));
-		list_add_tail(&vcpu->blocked_vcpu_list,
-			      &per_cpu(blocked_vcpu_on_cpu,
-				       vcpu->pre_pcpu));
-		spin_unlock(&per_cpu(blocked_vcpu_on_cpu_lock, vcpu->pre_pcpu));
-	}
-
-	do {
-		old.control = new.control = pi_desc->control;
-
-		WARN((pi_desc->sn == 1),
-		     "Warning: SN field of posted-interrupts "
-		     "is set before blocking\n");
-
-		/*
-		 * Since vCPU can be preempted during this process,
-		 * vcpu->cpu could be different with pre_pcpu, we
-		 * need to set pre_pcpu as the destination of wakeup
-		 * notification event, then we can find the right vCPU
-		 * to wakeup in wakeup handler if interrupts happen
-		 * when the vCPU is in blocked state.
-		 */
-		dest = cpu_physical_id(vcpu->pre_pcpu);
-
-		if (x2apic_enabled())
-			new.ndst = dest;
-		else
-			new.ndst = (dest << 8) & 0xFF00;
-
-		/* set 'NV' to 'wakeup vector' */
-		new.nv = POSTED_INTR_WAKEUP_VECTOR;
-	} while (cmpxchg64(&pi_desc->control, old.control,
-			   new.control) != old.control);
-
-	/* We should not block the vCPU if an interrupt is posted for it.  */
-	if (pi_test_on(pi_desc) == 1)
-		__pi_post_block(vcpu);
-
-	local_irq_enable();
-	return (vcpu->pre_pcpu == -1);
-}
-
-static int vmx_pre_block(struct kvm_vcpu *vcpu)
-{
-	if (pi_pre_block(vcpu))
-		return 1;
-
-	if (kvm_lapic_hv_timer_in_use(vcpu))
-		kvm_lapic_switch_to_sw_timer(vcpu);
-
-	return 0;
-}
-
-static void pi_post_block(struct kvm_vcpu *vcpu)
-{
-	if (vcpu->pre_pcpu == -1)
-		return;
-
-	WARN_ON(irqs_disabled());
-	local_irq_disable();
-	__pi_post_block(vcpu);
-	local_irq_enable();
-}
-
-static void vmx_post_block(struct kvm_vcpu *vcpu)
-{
-	if (kvm_x86_ops->set_hv_timer)
-		kvm_lapic_switch_to_hv_timer(vcpu);
-
-	pi_post_block(vcpu);
-}
-
-/*
- * vmx_update_pi_irte - set IRTE for Posted-Interrupts
- *
- * @kvm: kvm
- * @host_irq: host irq of the interrupt
- * @guest_irq: gsi of the interrupt
- * @set: set or unset PI
- * returns 0 on success, < 0 on failure
- */
-static int vmx_update_pi_irte(struct kvm *kvm, unsigned int host_irq,
-			      uint32_t guest_irq, bool set)
-{
-	struct kvm_kernel_irq_routing_entry *e;
-	struct kvm_irq_routing_table *irq_rt;
-	struct kvm_lapic_irq irq;
-	struct kvm_vcpu *vcpu;
-	struct vcpu_data vcpu_info;
-	int idx, ret = 0;
-
-	if (!kvm_arch_has_assigned_device(kvm) ||
-		!irq_remapping_cap(IRQ_POSTING_CAP) ||
-		!kvm_vcpu_apicv_active(kvm->vcpus[0]))
-		return 0;
-
-	idx = srcu_read_lock(&kvm->irq_srcu);
-	irq_rt = srcu_dereference(kvm->irq_routing, &kvm->irq_srcu);
-	if (guest_irq >= irq_rt->nr_rt_entries ||
-	    hlist_empty(&irq_rt->map[guest_irq])) {
-		pr_warn_once("no route for guest_irq %u/%u (broken user space?)\n",
-			     guest_irq, irq_rt->nr_rt_entries);
-		goto out;
-	}
-
-	hlist_for_each_entry(e, &irq_rt->map[guest_irq], link) {
-		if (e->type != KVM_IRQ_ROUTING_MSI)
-			continue;
-		/*
-		 * VT-d PI cannot support posting multicast/broadcast
-		 * interrupts to a vCPU, we still use interrupt remapping
-		 * for these kind of interrupts.
-		 *
-		 * For lowest-priority interrupts, we only support
-		 * those with single CPU as the destination, e.g. user
-		 * configures the interrupts via /proc/irq or uses
-		 * irqbalance to make the interrupts single-CPU.
-		 *
-		 * We will support full lowest-priority interrupt later.
-		 *
-		 * In addition, we can only inject generic interrupts using
-		 * the PI mechanism, refuse to route others through it.
-		 */
-
-		kvm_set_msi_irq(kvm, e, &irq);
-		if (!kvm_intr_is_single_vcpu(kvm, &irq, &vcpu) ||
-		    !kvm_irq_is_postable(&irq)) {
-			/*
-			 * Make sure the IRTE is in remapped mode if
-			 * we don't handle it in posted mode.
-			 */
-			ret = irq_set_vcpu_affinity(host_irq, NULL);
-			if (ret < 0) {
-				printk(KERN_INFO
-				   "failed to back to remapped mode, irq: %u\n",
-				   host_irq);
-				goto out;
-			}
-
-			continue;
-		}
-
-		vcpu_info.pi_desc_addr = __pa(vcpu_to_pi_desc(vcpu));
-		vcpu_info.vector = irq.vector;
-
-		trace_kvm_pi_irte_update(host_irq, vcpu->vcpu_id, e->gsi,
-				vcpu_info.vector, vcpu_info.pi_desc_addr, set);
-
-		if (set)
-			ret = irq_set_vcpu_affinity(host_irq, &vcpu_info);
-		else
-			ret = irq_set_vcpu_affinity(host_irq, NULL);
-
-		if (ret < 0) {
-			printk(KERN_INFO "%s: failed to update PI IRTE\n",
-					__func__);
-			goto out;
-		}
-	}
-
-	ret = 0;
-out:
-	srcu_read_unlock(&kvm->irq_srcu, idx);
-	return ret;
-}
-
-static void vmx_setup_mce(struct kvm_vcpu *vcpu)
-{
-	if (vcpu->arch.mcg_cap & MCG_LMCE_P)
-		to_vmx(vcpu)->msr_ia32_feature_control_valid_bits |=
-			FEATURE_CONTROL_LMCE;
-	else
-		to_vmx(vcpu)->msr_ia32_feature_control_valid_bits &=
-			~FEATURE_CONTROL_LMCE;
-}
-
-static int vmx_smi_allowed(struct kvm_vcpu *vcpu)
-{
-	/* we need a nested vmexit to enter SMM, postpone if run is pending */
-	if (to_vmx(vcpu)->nested.nested_run_pending)
-		return 0;
-	return 1;
-}
-
-static int vmx_pre_enter_smm(struct kvm_vcpu *vcpu, char *smstate)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-
-	vmx->nested.smm.guest_mode = is_guest_mode(vcpu);
-	if (vmx->nested.smm.guest_mode)
-		nested_vmx_vmexit(vcpu, -1, 0, 0);
-
-	vmx->nested.smm.vmxon = vmx->nested.vmxon;
-	vmx->nested.vmxon = false;
-	vmx_clear_hlt(vcpu);
-	return 0;
-}
-
-static int vmx_pre_leave_smm(struct kvm_vcpu *vcpu, const char *smstate)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-	int ret;
-
-	if (vmx->nested.smm.vmxon) {
-		vmx->nested.vmxon = true;
-		vmx->nested.smm.vmxon = false;
-	}
-
-	if (vmx->nested.smm.guest_mode) {
-		ret = nested_vmx_enter_non_root_mode(vcpu, false);
-		if (ret)
-			return ret;
-
-		vmx->nested.smm.guest_mode = false;
-	}
-	return 0;
-}
-
-static int enable_smi_window(struct kvm_vcpu *vcpu)
-{
-	return 0;
-}
-
-static bool vmx_need_emulation_on_page_fault(struct kvm_vcpu *vcpu)
-{
-	return false;
-}
-
-static bool vmx_apic_init_signal_blocked(struct kvm_vcpu *vcpu)
-{
-	return to_vmx(vcpu)->nested.vmxon;
-}
-
-static __init int hardware_setup(void)
-{
-	unsigned long host_bndcfgs;
-	struct desc_ptr dt;
-	int r, i;
-
-	rdmsrl_safe(MSR_EFER, &host_efer);
-
-	store_idt(&dt);
-	host_idt_base = dt.address;
-
-	for (i = 0; i < ARRAY_SIZE(vmx_msr_index); ++i)
-		kvm_define_shared_msr(i, vmx_msr_index[i]);
-
-	if (setup_vmcs_config(&vmcs_config, &vmx_capability) < 0)
-		return -EIO;
-
-	if (boot_cpu_has(X86_FEATURE_NX))
-		kvm_enable_efer_bits(EFER_NX);
-
-	if (boot_cpu_has(X86_FEATURE_MPX)) {
-		rdmsrl(MSR_IA32_BNDCFGS, host_bndcfgs);
-		WARN_ONCE(host_bndcfgs, "KVM: BNDCFGS in host will be lost");
-	}
-
-	if (!cpu_has_vmx_vpid() || !cpu_has_vmx_invvpid() ||
-	    !(cpu_has_vmx_invvpid_single() || cpu_has_vmx_invvpid_global()))
-		enable_vpid = 0;
-
-	if (!cpu_has_vmx_ept() ||
-	    !cpu_has_vmx_ept_4levels() ||
-	    !cpu_has_vmx_ept_mt_wb() ||
-	    !cpu_has_vmx_invept_global())
-		enable_ept = 0;
-
-	if (!cpu_has_vmx_ept_ad_bits() || !enable_ept)
-		enable_ept_ad_bits = 0;
-
-	if (!cpu_has_vmx_unrestricted_guest() || !enable_ept)
-		enable_unrestricted_guest = 0;
-
-	if (!cpu_has_vmx_flexpriority())
-		flexpriority_enabled = 0;
-
-	if (!cpu_has_virtual_nmis())
-		enable_vnmi = 0;
-
-	/*
-	 * set_apic_access_page_addr() is used to reload apic access
-	 * page upon invalidation.  No need to do anything if not
-	 * using the APIC_ACCESS_ADDR VMCS field.
-	 */
-	if (!flexpriority_enabled)
-		kvm_x86_ops->set_apic_access_page_addr = NULL;
-
-	if (!cpu_has_vmx_tpr_shadow())
-		kvm_x86_ops->update_cr8_intercept = NULL;
-
-	if (enable_ept && !cpu_has_vmx_ept_2m_page())
-		kvm_disable_largepages();
-
-#if IS_ENABLED(CONFIG_HYPERV)
-	if (ms_hyperv.nested_features & HV_X64_NESTED_GUEST_MAPPING_FLUSH
-	    && enable_ept) {
-		kvm_x86_ops->tlb_remote_flush = hv_remote_flush_tlb;
-		kvm_x86_ops->tlb_remote_flush_with_range =
-				hv_remote_flush_tlb_with_range;
-	}
-#endif
-
-	if (!cpu_has_vmx_ple()) {
-		ple_gap = 0;
-		ple_window = 0;
-		ple_window_grow = 0;
-		ple_window_max = 0;
-		ple_window_shrink = 0;
-	}
-
-	if (!cpu_has_vmx_apicv()) {
-		enable_apicv = 0;
-		kvm_x86_ops->sync_pir_to_irr = NULL;
-	}
-
-	if (cpu_has_vmx_tsc_scaling()) {
-		kvm_has_tsc_control = true;
-		kvm_max_tsc_scaling_ratio = KVM_VMX_TSC_MULTIPLIER_MAX;
-		kvm_tsc_scaling_ratio_frac_bits = 48;
-	}
-
-	set_bit(0, vmx_vpid_bitmap); /* 0 is reserved for host */
-
-	if (enable_ept)
-		vmx_enable_tdp();
-	else
-		kvm_disable_tdp();
-
-	/*
-	 * Only enable PML when hardware supports PML feature, and both EPT
-	 * and EPT A/D bit features are enabled -- PML depends on them to work.
-	 */
-	if (!enable_ept || !enable_ept_ad_bits || !cpu_has_vmx_pml())
-		enable_pml = 0;
-
-	if (!enable_pml) {
-		kvm_x86_ops->slot_enable_log_dirty = NULL;
-		kvm_x86_ops->slot_disable_log_dirty = NULL;
-		kvm_x86_ops->flush_log_dirty = NULL;
-		kvm_x86_ops->enable_log_dirty_pt_masked = NULL;
-	}
-
-	if (!cpu_has_vmx_preemption_timer())
-		enable_preemption_timer = false;
-
-	if (enable_preemption_timer) {
-		u64 use_timer_freq = 5000ULL * 1000 * 1000;
-		u64 vmx_msr;
-
-		rdmsrl(MSR_IA32_VMX_MISC, vmx_msr);
-		cpu_preemption_timer_multi =
-			vmx_msr & VMX_MISC_PREEMPTION_TIMER_RATE_MASK;
-
-		if (tsc_khz)
-			use_timer_freq = (u64)tsc_khz * 1000;
-		use_timer_freq >>= cpu_preemption_timer_multi;
-
-		/*
-		 * KVM "disables" the preemption timer by setting it to its max
-		 * value.  Don't use the timer if it might cause spurious exits
-		 * at a rate faster than 0.1 Hz (of uninterrupted guest time).
-		 */
-		if (use_timer_freq > 0xffffffffu / 10)
-			enable_preemption_timer = false;
-	}
-
-	if (!enable_preemption_timer) {
-		kvm_x86_ops->set_hv_timer = NULL;
-		kvm_x86_ops->cancel_hv_timer = NULL;
-		kvm_x86_ops->request_immediate_exit = __kvm_request_immediate_exit;
-	}
-
-	kvm_set_posted_intr_wakeup_handler(wakeup_handler);
-
-	kvm_mce_cap_supported |= MCG_LMCE_P;
-
-	if (pt_mode != PT_MODE_SYSTEM && pt_mode != PT_MODE_HOST_GUEST)
-		return -EINVAL;
-	if (!enable_ept || !cpu_has_vmx_intel_pt())
-		pt_mode = PT_MODE_SYSTEM;
-
-	if (nested) {
-		nested_vmx_setup_ctls_msrs(&vmcs_config.nested,
-					   vmx_capability.ept, enable_apicv);
-
-		r = nested_vmx_hardware_setup(kvm_vmx_exit_handlers);
-		if (r)
-			return r;
-	}
-
-	r = alloc_kvm_area();
-	if (r)
-		nested_vmx_hardware_unsetup();
-	return r;
-}
-
-static __exit void hardware_unsetup(void)
-{
-	if (nested)
-		nested_vmx_hardware_unsetup();
-
-	free_kvm_area();
-}
-
-static struct kvm_x86_ops vmx_x86_ops __ro_after_init = {
-	.cpu_has_kvm_support = cpu_has_kvm_support,
-	.disabled_by_bios = vmx_disabled_by_bios,
-	.hardware_setup = hardware_setup,
-	.hardware_unsetup = hardware_unsetup,
-	.check_processor_compatibility = vmx_check_processor_compat,
-	.hardware_enable = hardware_enable,
-	.hardware_disable = hardware_disable,
-	.cpu_has_accelerated_tpr = report_flexpriority,
-	.has_emulated_msr = vmx_has_emulated_msr,
-
-	.vm_init = vmx_vm_init,
-	.vm_alloc = vmx_vm_alloc,
-	.vm_free = vmx_vm_free,
-
-	.vcpu_create = vmx_create_vcpu,
-	.vcpu_free = vmx_free_vcpu,
-	.vcpu_reset = vmx_vcpu_reset,
-
-	.prepare_guest_switch = vmx_prepare_switch_to_guest,
-	.vcpu_load = vmx_vcpu_load,
-	.vcpu_put = vmx_vcpu_put,
-
-	.update_bp_intercept = update_exception_bitmap,
-	.get_msr_feature = vmx_get_msr_feature,
-	.get_msr = vmx_get_msr,
-	.set_msr = vmx_set_msr,
-	.get_segment_base = vmx_get_segment_base,
-	.get_segment = vmx_get_segment,
-	.set_segment = vmx_set_segment,
-	.get_cpl = vmx_get_cpl,
-	.get_cs_db_l_bits = vmx_get_cs_db_l_bits,
-	.decache_cr0_guest_bits = vmx_decache_cr0_guest_bits,
-	.decache_cr4_guest_bits = vmx_decache_cr4_guest_bits,
-	.set_cr0 = vmx_set_cr0,
-	.set_cr3 = vmx_set_cr3,
-	.set_cr4 = vmx_set_cr4,
-	.set_efer = vmx_set_efer,
-	.get_idt = vmx_get_idt,
-	.set_idt = vmx_set_idt,
-	.get_gdt = vmx_get_gdt,
-	.set_gdt = vmx_set_gdt,
-	.get_dr6 = vmx_get_dr6,
-	.set_dr6 = vmx_set_dr6,
-	.set_dr7 = vmx_set_dr7,
-	.sync_dirty_debug_regs = vmx_sync_dirty_debug_regs,
-	.cache_reg = vmx_cache_reg,
-	.get_rflags = vmx_get_rflags,
-	.set_rflags = vmx_set_rflags,
-
-	.tlb_flush = vmx_flush_tlb,
-	.tlb_flush_gva = vmx_flush_tlb_gva,
-
-	.run = vmx_vcpu_run,
-	.handle_exit = vmx_handle_exit,
-	.skip_emulated_instruction = skip_emulated_instruction,
-	.set_interrupt_shadow = vmx_set_interrupt_shadow,
-	.get_interrupt_shadow = vmx_get_interrupt_shadow,
-	.patch_hypercall = vmx_patch_hypercall,
-	.set_irq = vmx_inject_irq,
-	.set_nmi = vmx_inject_nmi,
-	.queue_exception = vmx_queue_exception,
-	.cancel_injection = vmx_cancel_injection,
-	.interrupt_allowed = vmx_interrupt_allowed,
-	.nmi_allowed = vmx_nmi_allowed,
-	.get_nmi_mask = vmx_get_nmi_mask,
-	.set_nmi_mask = vmx_set_nmi_mask,
-	.enable_nmi_window = enable_nmi_window,
-	.enable_irq_window = enable_irq_window,
-	.update_cr8_intercept = update_cr8_intercept,
-	.set_virtual_apic_mode = vmx_set_virtual_apic_mode,
-	.set_apic_access_page_addr = vmx_set_apic_access_page_addr,
-	.get_enable_apicv = vmx_get_enable_apicv,
-	.refresh_apicv_exec_ctrl = vmx_refresh_apicv_exec_ctrl,
-	.load_eoi_exitmap = vmx_load_eoi_exitmap,
-	.apicv_post_state_restore = vmx_apicv_post_state_restore,
-	.hwapic_irr_update = vmx_hwapic_irr_update,
-	.hwapic_isr_update = vmx_hwapic_isr_update,
-	.guest_apic_has_interrupt = vmx_guest_apic_has_interrupt,
-	.sync_pir_to_irr = vmx_sync_pir_to_irr,
-	.deliver_posted_interrupt = vmx_deliver_posted_interrupt,
-	.dy_apicv_has_pending_interrupt = vmx_dy_apicv_has_pending_interrupt,
-
-	.set_tss_addr = vmx_set_tss_addr,
-	.set_identity_map_addr = vmx_set_identity_map_addr,
-	.get_tdp_level = get_ept_level,
-	.get_mt_mask = vmx_get_mt_mask,
-
-	.get_exit_info = vmx_get_exit_info,
-
-	.get_lpage_level = vmx_get_lpage_level,
-
-	.cpuid_update = vmx_cpuid_update,
-
-	.rdtscp_supported = vmx_rdtscp_supported,
-	.invpcid_supported = vmx_invpcid_supported,
-
-	.set_supported_cpuid = vmx_set_supported_cpuid,
-
-	.has_wbinvd_exit = cpu_has_vmx_wbinvd_exit,
-
-	.read_l1_tsc_offset = vmx_read_l1_tsc_offset,
-	.write_l1_tsc_offset = vmx_write_l1_tsc_offset,
-
-	.set_tdp_cr3 = vmx_set_cr3,
-
-	.check_intercept = vmx_check_intercept,
-	.handle_exit_irqoff = vmx_handle_exit_irqoff,
-	.mpx_supported = vmx_mpx_supported,
-	.xsaves_supported = vmx_xsaves_supported,
-	.umip_emulated = vmx_umip_emulated,
-	.pt_supported = vmx_pt_supported,
-
-	.request_immediate_exit = vmx_request_immediate_exit,
-
-	.sched_in = vmx_sched_in,
-
-	.slot_enable_log_dirty = vmx_slot_enable_log_dirty,
-	.slot_disable_log_dirty = vmx_slot_disable_log_dirty,
-	.flush_log_dirty = vmx_flush_log_dirty,
-	.enable_log_dirty_pt_masked = vmx_enable_log_dirty_pt_masked,
-	.write_log_dirty = vmx_write_pml_buffer,
-
-	.pre_block = vmx_pre_block,
-	.post_block = vmx_post_block,
-
-	.pmu_ops = &intel_pmu_ops,
-
-	.update_pi_irte = vmx_update_pi_irte,
-
-#ifdef CONFIG_X86_64
-	.set_hv_timer = vmx_set_hv_timer,
-	.cancel_hv_timer = vmx_cancel_hv_timer,
-#endif
-
-	.setup_mce = vmx_setup_mce,
-
-	.smi_allowed = vmx_smi_allowed,
-	.pre_enter_smm = vmx_pre_enter_smm,
-	.pre_leave_smm = vmx_pre_leave_smm,
-	.enable_smi_window = enable_smi_window,
-
-	.check_nested_events = NULL,
-	.get_nested_state = NULL,
-	.set_nested_state = NULL,
-	.get_vmcs12_pages = NULL,
-	.nested_enable_evmcs = NULL,
-	.nested_get_evmcs_version = NULL,
-	.need_emulation_on_page_fault = vmx_need_emulation_on_page_fault,
-	.apic_init_signal_blocked = vmx_apic_init_signal_blocked,
-};
-
-static void vmx_cleanup_l1d_flush(void)
-{
-	if (vmx_l1d_flush_pages) {
-		free_pages((unsigned long)vmx_l1d_flush_pages, L1D_CACHE_ORDER);
-		vmx_l1d_flush_pages = NULL;
-	}
-	/* Restore state so sysfs ignores VMX */
-	l1tf_vmx_mitigation = VMENTER_L1D_FLUSH_AUTO;
-}
-
-static void vmx_exit(void)
-{
-#ifdef CONFIG_KEXEC_CORE
-	RCU_INIT_POINTER(crash_vmclear_loaded_vmcss, NULL);
-	synchronize_rcu();
-#endif
-
-	kvm_exit();
-
-#if IS_ENABLED(CONFIG_HYPERV)
-	if (static_branch_unlikely(&enable_evmcs)) {
-		int cpu;
-		struct hv_vp_assist_page *vp_ap;
-		/*
-		 * Reset everything to support using non-enlightened VMCS
-		 * access later (e.g. when we reload the module with
-		 * enlightened_vmcs=0)
-		 */
-		for_each_online_cpu(cpu) {
-			vp_ap =	hv_get_vp_assist_page(cpu);
-
-			if (!vp_ap)
-				continue;
-
-			vp_ap->nested_control.features.directhypercall = 0;
-			vp_ap->current_nested_vmcs = 0;
-			vp_ap->enlighten_vmentry = 0;
-		}
-
-		static_branch_disable(&enable_evmcs);
-	}
-#endif
-	vmx_cleanup_l1d_flush();
-}
-module_exit(vmx_exit);
-
-static int __init vmx_init(void)
-{
-	int r;
-
-#if IS_ENABLED(CONFIG_HYPERV)
-	/*
-	 * Enlightened VMCS usage should be recommended and the host needs
-	 * to support eVMCS v1 or above. We can also disable eVMCS support
-	 * with module parameter.
-	 */
-	if (enlightened_vmcs &&
-	    ms_hyperv.hints & HV_X64_ENLIGHTENED_VMCS_RECOMMENDED &&
-	    (ms_hyperv.nested_features & HV_X64_ENLIGHTENED_VMCS_VERSION) >=
-	    KVM_EVMCS_VERSION) {
-		int cpu;
-
-		/* Check that we have assist pages on all online CPUs */
-		for_each_online_cpu(cpu) {
-			if (!hv_get_vp_assist_page(cpu)) {
-				enlightened_vmcs = false;
-				break;
-			}
-		}
-
-		if (enlightened_vmcs) {
-			pr_info("KVM: vmx: using Hyper-V Enlightened VMCS\n");
-			static_branch_enable(&enable_evmcs);
-		}
-
-		if (ms_hyperv.nested_features & HV_X64_NESTED_DIRECT_FLUSH)
-			vmx_x86_ops.enable_direct_tlbflush
-				= hv_enable_direct_tlbflush;
-
-	} else {
-		enlightened_vmcs = false;
-	}
-#endif
-
-	r = kvm_init(&vmx_x86_ops, sizeof(struct vcpu_vmx),
-		     __alignof__(struct vcpu_vmx), THIS_MODULE);
-	if (r)
-		return r;
-
-	/*
-	 * Must be called after kvm_init() so enable_ept is properly set
-	 * up. Hand the parameter mitigation value in which was stored in
-	 * the pre module init parser. If no parameter was given, it will
-	 * contain 'auto' which will be turned into the default 'cond'
-	 * mitigation mode.
-	 */
-	r = vmx_setup_l1d_flush(vmentry_l1d_flush_param);
-	if (r) {
-		vmx_exit();
-		return r;
-	}
-
-#ifdef CONFIG_KEXEC_CORE
-	rcu_assign_pointer(crash_vmclear_loaded_vmcss,
-			   crash_vmclear_local_loaded_vmcss);
-#endif
-	vmx_check_vmcs12_offsets();
-
-	return 0;
-}
-module_init(vmx_init);
diff --git a/arch/x86/lib/x86-opcode-map.txt b/arch/x86/lib/x86-opcode-map.txt
index 0a0e911..5cb9f00 100644
--- a/arch/x86/lib/x86-opcode-map.txt
+++ b/arch/x86/lib/x86-opcode-map.txt
@@ -909,7 +909,7 @@
 
 GrpTable: Grp3_2
 0: TEST Ev,Iz
-1:
+1: TEST Ev,Iz
 2: NOT Ev
 3: NEG Ev
 4: MUL rAX,Ev
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index 835620a..eaee1a7 100644
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -2077,19 +2077,13 @@
 		.pgd = pgd,
 		.numpages = numpages,
 		.mask_set = __pgprot(0),
-		.mask_clr = __pgprot(0),
+		.mask_clr = __pgprot(~page_flags & (_PAGE_NX|_PAGE_RW)),
 		.flags = 0,
 	};
 
 	if (!(__supported_pte_mask & _PAGE_NX))
 		goto out;
 
-	if (!(page_flags & _PAGE_NX))
-		cpa.mask_clr = __pgprot(_PAGE_NX);
-
-	if (!(page_flags & _PAGE_RW))
-		cpa.mask_clr = __pgprot(_PAGE_RW);
-
 	if (!(page_flags & _PAGE_ENC))
 		cpa.mask_clr = pgprot_encrypted(cpa.mask_clr);
 
diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
index 335a62e..e7f19de 100644
--- a/arch/x86/platform/efi/efi.c
+++ b/arch/x86/platform/efi/efi.c
@@ -480,7 +480,6 @@
 	efi_char16_t *c16;
 	char vendor[100] = "unknown";
 	int i = 0;
-	void *tmp;
 
 #ifdef CONFIG_X86_32
 	if (boot_params.efi_info.efi_systab_hi ||
@@ -505,14 +504,16 @@
 	/*
 	 * Show what we know for posterity
 	 */
-	c16 = tmp = early_memremap(efi.systab->fw_vendor, 2);
+	c16 = early_memremap_ro(efi.systab->fw_vendor,
+				sizeof(vendor) * sizeof(efi_char16_t));
 	if (c16) {
-		for (i = 0; i < sizeof(vendor) - 1 && *c16; ++i)
-			vendor[i] = *c16++;
+		for (i = 0; i < sizeof(vendor) - 1 && c16[i]; ++i)
+			vendor[i] = c16[i];
 		vendor[i] = '\0';
-	} else
+		early_memunmap(c16, sizeof(vendor) * sizeof(efi_char16_t));
+	} else {
 		pr_err("Could not map the firmware vendor!\n");
-	early_memunmap(tmp, 2);
+	}
 
 	pr_info("EFI v%u.%.02u by %s\n",
 		efi.systab->hdr.revision >> 16,
@@ -929,16 +930,14 @@
 
 	if (efi_alloc_page_tables()) {
 		pr_err("Failed to allocate EFI page tables\n");
-		clear_bit(EFI_RUNTIME_SERVICES, &efi.flags);
-		return;
+		goto err;
 	}
 
 	efi_merge_regions();
 	new_memmap = efi_map_regions(&count, &pg_shift);
 	if (!new_memmap) {
 		pr_err("Error reallocating memory, EFI runtime non-functional!\n");
-		clear_bit(EFI_RUNTIME_SERVICES, &efi.flags);
-		return;
+		goto err;
 	}
 
 	pa = __pa(new_memmap);
@@ -952,8 +951,7 @@
 
 	if (efi_memmap_init_late(pa, efi.memmap.desc_size * count)) {
 		pr_err("Failed to remap late EFI memory map\n");
-		clear_bit(EFI_RUNTIME_SERVICES, &efi.flags);
-		return;
+		goto err;
 	}
 
 	if (efi_enabled(EFI_DBG)) {
@@ -961,12 +959,11 @@
 		efi_print_memmap();
 	}
 
-	BUG_ON(!efi.systab);
+	if (WARN_ON(!efi.systab))
+		goto err;
 
-	if (efi_setup_page_tables(pa, 1 << pg_shift)) {
-		clear_bit(EFI_RUNTIME_SERVICES, &efi.flags);
-		return;
-	}
+	if (efi_setup_page_tables(pa, 1 << pg_shift))
+		goto err;
 
 	efi_sync_low_kernel_mappings();
 
@@ -986,9 +983,9 @@
 	}
 
 	if (status != EFI_SUCCESS) {
-		pr_alert("Unable to switch EFI into virtual mode (status=%lx)!\n",
-			 status);
-		panic("EFI call to SetVirtualAddressMap() failed!");
+		pr_err("Unable to switch EFI into virtual mode (status=%lx)!\n",
+		       status);
+		goto err;
 	}
 
 	/*
@@ -1015,6 +1012,10 @@
 
 	/* clean DUMMY object */
 	efi_delete_dummy_variable();
+	return;
+
+err:
+	clear_bit(EFI_RUNTIME_SERVICES, &efi.flags);
 }
 
 void __init efi_enter_virtual_mode(void)
diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c
index ae369c2..0ebb7f9 100644
--- a/arch/x86/platform/efi/efi_64.c
+++ b/arch/x86/platform/efi/efi_64.c
@@ -390,11 +390,12 @@
 		return 0;
 
 	page = alloc_page(GFP_KERNEL|__GFP_DMA32);
-	if (!page)
-		panic("Unable to allocate EFI runtime stack < 4GB\n");
+	if (!page) {
+		pr_err("Unable to allocate EFI runtime stack < 4GB\n");
+		return 1;
+	}
 
-	efi_scratch.phys_stack = virt_to_phys(page_address(page));
-	efi_scratch.phys_stack += PAGE_SIZE; /* stack grows down */
+	efi_scratch.phys_stack = page_to_phys(page + 1); /* stack grows down */
 
 	npages = (_etext - _text) >> PAGE_SHIFT;
 	text = __pa(_text);
diff --git a/drivers/acpi/acpica/dsfield.c b/drivers/acpi/acpica/dsfield.c
index 7bcf5f5e..8df4a49 100644
--- a/drivers/acpi/acpica/dsfield.c
+++ b/drivers/acpi/acpica/dsfield.c
@@ -273,7 +273,7 @@
  * FUNCTION:    acpi_ds_get_field_names
  *
  * PARAMETERS:  info            - create_field info structure
- *  `           walk_state      - Current method state
+ *              walk_state      - Current method state
  *              arg             - First parser arg for the field name list
  *
  * RETURN:      Status
diff --git a/drivers/acpi/acpica/dswload.c b/drivers/acpi/acpica/dswload.c
index eaa859a..1d82e14 100644
--- a/drivers/acpi/acpica/dswload.c
+++ b/drivers/acpi/acpica/dswload.c
@@ -444,6 +444,27 @@
 	ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Op=%p State=%p\n", op,
 			  walk_state));
 
+	/*
+	 * Disassembler: handle create field operators here.
+	 *
+	 * create_buffer_field is a deferred op that is typically processed in load
+	 * pass 2. However, disassembly of control method contents walk the parse
+	 * tree with ACPI_PARSE_LOAD_PASS1 and AML_CREATE operators are processed
+	 * in a later walk. This is a problem when there is a control method that
+	 * has the same name as the AML_CREATE object. In this case, any use of the
+	 * name segment will be detected as a method call rather than a reference
+	 * to a buffer field.
+	 *
+	 * This earlier creation during disassembly solves this issue by inserting
+	 * the named object in the ACPI namespace so that references to this name
+	 * would be a name string rather than a method call.
+	 */
+	if ((walk_state->parse_flags & ACPI_PARSE_DISASSEMBLE) &&
+	    (walk_state->op_info->flags & AML_CREATE)) {
+		status = acpi_ds_create_buffer_field(op, walk_state);
+		return_ACPI_STATUS(status);
+	}
+
 	/* We are only interested in opcodes that have an associated name */
 
 	if (!(walk_state->op_info->flags & (AML_NAMED | AML_FIELD))) {
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index f003e30..0905c07 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -88,6 +88,7 @@
 
 static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
 static void ahci_remove_one(struct pci_dev *dev);
+static void ahci_shutdown_one(struct pci_dev *dev);
 static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
 				 unsigned long deadline);
 static int ahci_avn_hardreset(struct ata_link *link, unsigned int *class,
@@ -586,6 +587,7 @@
 	.id_table		= ahci_pci_tbl,
 	.probe			= ahci_init_one,
 	.remove			= ahci_remove_one,
+	.shutdown		= ahci_shutdown_one,
 	.driver = {
 		.pm		= &ahci_pci_pm_ops,
 	},
@@ -1823,6 +1825,11 @@
 	return 0;
 }
 
+static void ahci_shutdown_one(struct pci_dev *pdev)
+{
+	ata_pci_shutdown_one(pdev);
+}
+
 static void ahci_remove_one(struct pci_dev *pdev)
 {
 	pm_runtime_get_noresume(&pdev->dev);
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 08f67c1..33eb5e3 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -6706,6 +6706,26 @@
 	ata_host_detach(host);
 }
 
+void ata_pci_shutdown_one(struct pci_dev *pdev)
+{
+	struct ata_host *host = pci_get_drvdata(pdev);
+	int i;
+
+	for (i = 0; i < host->n_ports; i++) {
+		struct ata_port *ap = host->ports[i];
+
+		ap->pflags |= ATA_PFLAG_FROZEN;
+
+		/* Disable port interrupts */
+		if (ap->ops->freeze)
+			ap->ops->freeze(ap);
+
+		/* Stop the port DMA engines */
+		if (ap->ops->port_stop)
+			ap->ops->port_stop(ap);
+	}
+}
+
 /* move to PCI subsystem */
 int pci_test_config_bits(struct pci_dev *pdev, const struct pci_bits *bits)
 {
@@ -7326,6 +7346,7 @@
 
 #ifdef CONFIG_PCI
 EXPORT_SYMBOL_GPL(pci_test_config_bits);
+EXPORT_SYMBOL_GPL(ata_pci_shutdown_one);
 EXPORT_SYMBOL_GPL(ata_pci_remove_one);
 #ifdef CONFIG_PM
 EXPORT_SYMBOL_GPL(ata_pci_device_do_suspend);
diff --git a/drivers/atm/fore200e.c b/drivers/atm/fore200e.c
index f8b7e86..0a1ad1a 100644
--- a/drivers/atm/fore200e.c
+++ b/drivers/atm/fore200e.c
@@ -1496,12 +1496,14 @@
 static void
 fore200e_close(struct atm_vcc* vcc)
 {
-    struct fore200e*        fore200e = FORE200E_DEV(vcc->dev);
     struct fore200e_vcc*    fore200e_vcc;
+    struct fore200e*        fore200e;
     struct fore200e_vc_map* vc_map;
     unsigned long           flags;
 
     ASSERT(vcc);
+    fore200e = FORE200E_DEV(vcc->dev);
+
     ASSERT((vcc->vpi >= 0) && (vcc->vpi < 1<<FORE200E_VPI_BITS));
     ASSERT((vcc->vci >= 0) && (vcc->vci < 1<<FORE200E_VCI_BITS));
 
@@ -1546,10 +1548,10 @@
 static int
 fore200e_send(struct atm_vcc *vcc, struct sk_buff *skb)
 {
-    struct fore200e*        fore200e     = FORE200E_DEV(vcc->dev);
-    struct fore200e_vcc*    fore200e_vcc = FORE200E_VCC(vcc);
+    struct fore200e*        fore200e;
+    struct fore200e_vcc*    fore200e_vcc;
     struct fore200e_vc_map* vc_map;
-    struct host_txq*        txq          = &fore200e->host_txq;
+    struct host_txq*        txq;
     struct host_txq_entry*  entry;
     struct tpd*             tpd;
     struct tpd_haddr        tpd_haddr;
@@ -1562,9 +1564,18 @@
     unsigned char*          data;
     unsigned long           flags;
 
-    ASSERT(vcc);
-    ASSERT(fore200e);
-    ASSERT(fore200e_vcc);
+    if (!vcc)
+        return -EINVAL;
+
+    fore200e = FORE200E_DEV(vcc->dev);
+    fore200e_vcc = FORE200E_VCC(vcc);
+
+    if (!fore200e)
+        return -EINVAL;
+
+    txq = &fore200e->host_txq;
+    if (!fore200e_vcc)
+        return -EINVAL;
 
     if (!test_bit(ATM_VF_READY, &vcc->flags)) {
 	DPRINTK(1, "VC %d.%d.%d not ready for tx\n", vcc->itf, vcc->vpi, vcc->vpi);
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index 536c9ac..aa1a2d3 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -375,7 +375,10 @@
 	atomic_inc(&probe_count);
 	pr_debug("bus: '%s': %s: probing driver %s with device %s\n",
 		 drv->bus->name, __func__, drv->name, dev_name(dev));
-	WARN_ON(!list_empty(&dev->devres_head));
+	if (!list_empty(&dev->devres_head)) {
+		dev_crit(dev, "Resources present before probing\n");
+		return -EBUSY;
+	}
 
 re_probe:
 	dev->driver = drv;
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index f1105de..bcb6519 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -28,6 +28,7 @@
 #include <linux/limits.h>
 #include <linux/property.h>
 #include <linux/kmemleak.h>
+#include <linux/types.h>
 
 #include "base.h"
 #include "power/power.h"
@@ -68,7 +69,7 @@
 struct resource *platform_get_resource(struct platform_device *dev,
 				       unsigned int type, unsigned int num)
 {
-	int i;
+	u32 i;
 
 	for (i = 0; i < dev->num_resources; i++) {
 		struct resource *r = &dev->resource[i];
@@ -163,7 +164,7 @@
 					      unsigned int type,
 					      const char *name)
 {
-	int i;
+	u32 i;
 
 	for (i = 0; i < dev->num_resources; i++) {
 		struct resource *r = &dev->resource[i];
@@ -360,7 +361,8 @@
  */
 int platform_device_add(struct platform_device *pdev)
 {
-	int i, ret;
+	u32 i;
+	int ret;
 
 	if (!pdev)
 		return -EINVAL;
@@ -426,7 +428,7 @@
 		pdev->id = PLATFORM_DEVID_AUTO;
 	}
 
-	while (--i >= 0) {
+	while (i--) {
 		struct resource *r = &pdev->resource[i];
 		if (r->parent)
 			release_resource(r);
@@ -447,7 +449,7 @@
  */
 void platform_device_del(struct platform_device *pdev)
 {
-	int i;
+	u32 i;
 
 	if (pdev) {
 		device_remove_properties(&pdev->dev);
diff --git a/drivers/block/brd.c b/drivers/block/brd.c
index 2d7178f..0129b19 100644
--- a/drivers/block/brd.c
+++ b/drivers/block/brd.c
@@ -529,6 +529,25 @@
 	return kobj;
 }
 
+static inline void brd_check_and_reset_par(void)
+{
+	if (unlikely(!max_part))
+		max_part = 1;
+
+	/*
+	 * make sure 'max_part' can be divided exactly by (1U << MINORBITS),
+	 * otherwise, it is possiable to get same dev_t when adding partitions.
+	 */
+	if ((1U << MINORBITS) % max_part != 0)
+		max_part = 1UL << fls(max_part);
+
+	if (max_part > DISK_MAX_PARTS) {
+		pr_info("brd: max_part can't be larger than %d, reset max_part = %d.\n",
+			DISK_MAX_PARTS, DISK_MAX_PARTS);
+		max_part = DISK_MAX_PARTS;
+	}
+}
+
 static int __init brd_init(void)
 {
 	struct brd_device *brd, *next;
@@ -552,8 +571,7 @@
 	if (register_blkdev(RAMDISK_MAJOR, "ramdisk"))
 		return -EIO;
 
-	if (unlikely(!max_part))
-		max_part = 1;
+	brd_check_and_reset_par();
 
 	for (i = 0; i < rd_nr; i++) {
 		brd = brd_alloc(i);
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 5f1aa31..cbf7473 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -848,14 +848,17 @@
 /* selects the fdc and drive, and enables the fdc's input/dma. */
 static void set_fdc(int drive)
 {
+	unsigned int new_fdc = fdc;
+
 	if (drive >= 0 && drive < N_DRIVE) {
-		fdc = FDC(drive);
+		new_fdc = FDC(drive);
 		current_drive = drive;
 	}
-	if (fdc != 1 && fdc != 0) {
+	if (new_fdc >= N_FDC) {
 		pr_info("bad fdc value\n");
 		return;
 	}
+	fdc = new_fdc;
 	set_dor(fdc, ~0, 8);
 #if N_FDC > 1
 	set_dor(1 - fdc, ~8, 0);
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 4c661ad..8f56e6b 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -1203,6 +1203,16 @@
 		args = kzalloc(sizeof(*args), GFP_KERNEL);
 		if (!args) {
 			sock_shutdown(nbd);
+			/*
+			 * If num_connections is m (2 < m),
+			 * and NO.1 ~ NO.n(1 < n < m) kzallocs are successful.
+			 * But NO.(n + 1) failed. We still have n recv threads.
+			 * So, add flush_workqueue here to prevent recv threads
+			 * dropping the last config_refs and trying to destroy
+			 * the workqueue from inside the workqueue.
+			 */
+			if (i)
+				flush_workqueue(nbd->recv_workq);
 			return -ENOMEM;
 		}
 		sk_set_memalloc(config->socks[i]->sock->sk);
diff --git a/drivers/char/random.c b/drivers/char/random.c
index e6efa07..50d5846 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -1598,8 +1598,9 @@
 	print_once = true;
 #endif
 	if (__ratelimit(&unseeded_warning))
-		pr_notice("random: %s called from %pS with crng_init=%d\n",
-			  func_name, caller, crng_init);
+		printk_deferred(KERN_NOTICE "random: %s called from %pS "
+				"with crng_init=%d\n", func_name, caller,
+				crng_init);
 }
 
 /*
diff --git a/drivers/clk/qcom/clk-rcg2.c b/drivers/clk/qcom/clk-rcg2.c
index a934392..d3953ea 100644
--- a/drivers/clk/qcom/clk-rcg2.c
+++ b/drivers/clk/qcom/clk-rcg2.c
@@ -210,6 +210,9 @@
 
 	clk_flags = clk_hw_get_flags(hw);
 	p = clk_hw_get_parent_by_index(hw, index);
+	if (!p)
+		return -EINVAL;
+
 	if (clk_flags & CLK_SET_RATE_PARENT) {
 		if (f->pre_div) {
 			if (!rate)
diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-a64.c b/drivers/clk/sunxi-ng/ccu-sun50i-a64.c
index eaafc03..183985c 100644
--- a/drivers/clk/sunxi-ng/ccu-sun50i-a64.c
+++ b/drivers/clk/sunxi-ng/ccu-sun50i-a64.c
@@ -884,11 +884,26 @@
 	.num_resets	= ARRAY_SIZE(sun50i_a64_ccu_resets),
 };
 
+static struct ccu_pll_nb sun50i_a64_pll_cpu_nb = {
+	.common	= &pll_cpux_clk.common,
+	/* copy from pll_cpux_clk */
+	.enable	= BIT(31),
+	.lock	= BIT(28),
+};
+
+static struct ccu_mux_nb sun50i_a64_cpu_nb = {
+	.common		= &cpux_clk.common,
+	.cm		= &cpux_clk.mux,
+	.delay_us	= 1, /* > 8 clock cycles at 24 MHz */
+	.bypass_index	= 1, /* index of 24 MHz oscillator */
+};
+
 static int sun50i_a64_ccu_probe(struct platform_device *pdev)
 {
 	struct resource *res;
 	void __iomem *reg;
 	u32 val;
+	int ret;
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	reg = devm_ioremap_resource(&pdev->dev, res);
@@ -902,7 +917,18 @@
 
 	writel(0x515, reg + SUN50I_A64_PLL_MIPI_REG);
 
-	return sunxi_ccu_probe(pdev->dev.of_node, reg, &sun50i_a64_ccu_desc);
+	ret = sunxi_ccu_probe(pdev->dev.of_node, reg, &sun50i_a64_ccu_desc);
+	if (ret)
+		return ret;
+
+	/* Gate then ungate PLL CPU after any rate changes */
+	ccu_pll_notifier_register(&sun50i_a64_pll_cpu_nb);
+
+	/* Reparent CPU during PLL CPU rate changes */
+	ccu_mux_notifier_register(pll_cpux_clk.common.hw.clk,
+				  &sun50i_a64_cpu_nb);
+
+	return 0;
 }
 
 static const struct of_device_id sun50i_a64_ccu_ids[] = {
diff --git a/drivers/clocksource/bcm2835_timer.c b/drivers/clocksource/bcm2835_timer.c
index 39e489a..8894cfc 100644
--- a/drivers/clocksource/bcm2835_timer.c
+++ b/drivers/clocksource/bcm2835_timer.c
@@ -134,7 +134,7 @@
 	ret = setup_irq(irq, &timer->act);
 	if (ret) {
 		pr_err("Can't set up timer IRQ\n");
-		goto err_iounmap;
+		goto err_timer_free;
 	}
 
 	clockevents_config_and_register(&timer->evt, freq, 0xf, 0xffffffff);
@@ -143,6 +143,9 @@
 
 	return 0;
 
+err_timer_free:
+	kfree(timer);
+
 err_iounmap:
 	iounmap(base);
 	return ret;
diff --git a/drivers/devfreq/Kconfig b/drivers/devfreq/Kconfig
index 6a172d3..4c4ec68 100644
--- a/drivers/devfreq/Kconfig
+++ b/drivers/devfreq/Kconfig
@@ -103,7 +103,8 @@
 
 config ARM_RK3399_DMC_DEVFREQ
 	tristate "ARM RK3399 DMC DEVFREQ Driver"
-	depends on ARCH_ROCKCHIP
+	depends on (ARCH_ROCKCHIP && HAVE_ARM_SMCCC) || \
+		(COMPILE_TEST && HAVE_ARM_SMCCC)
 	select DEVFREQ_EVENT_ROCKCHIP_DFI
 	select DEVFREQ_GOV_SIMPLE_ONDEMAND
 	select PM_DEVFREQ_EVENT
diff --git a/drivers/devfreq/event/Kconfig b/drivers/devfreq/event/Kconfig
index cd94980..8851bc4 100644
--- a/drivers/devfreq/event/Kconfig
+++ b/drivers/devfreq/event/Kconfig
@@ -33,7 +33,7 @@
 
 config DEVFREQ_EVENT_ROCKCHIP_DFI
 	tristate "ROCKCHIP DFI DEVFREQ event Driver"
-	depends on ARCH_ROCKCHIP
+	depends on ARCH_ROCKCHIP || COMPILE_TEST
 	help
 	  This add the devfreq-event driver for Rockchip SoC. It provides DFI
 	  (DDR Monitor Module) driver to count ddr load.
diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index b451354..faaaf10 100644
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -192,7 +192,7 @@
 
 static struct module *dma_chan_to_owner(struct dma_chan *chan)
 {
-	return chan->device->dev->driver->owner;
+	return chan->device->owner;
 }
 
 /**
@@ -928,6 +928,8 @@
 		return -EIO;
 	}
 
+	device->owner = device->dev->driver->owner;
+
 	if (dma_has_cap(DMA_MEMCPY, device->cap_mask) && !device->device_prep_dma_memcpy) {
 		dev_err(device->dev,
 			"Device claims capability %s, but op is not defined\n",
diff --git a/drivers/gpio/gpio-grgpio.c b/drivers/gpio/gpio-grgpio.c
index 6544a16..7541bd3 100644
--- a/drivers/gpio/gpio-grgpio.c
+++ b/drivers/gpio/gpio-grgpio.c
@@ -259,17 +259,16 @@
 	lirq->irq = irq;
 	uirq = &priv->uirqs[lirq->index];
 	if (uirq->refcnt == 0) {
+		spin_unlock_irqrestore(&priv->gc.bgpio_lock, flags);
 		ret = request_irq(uirq->uirq, grgpio_irq_handler, 0,
 				  dev_name(priv->dev), priv);
 		if (ret) {
 			dev_err(priv->dev,
 				"Could not request underlying irq %d\n",
 				uirq->uirq);
-
-			spin_unlock_irqrestore(&priv->gc.bgpio_lock, flags);
-
 			return ret;
 		}
+		spin_lock_irqsave(&priv->gc.bgpio_lock, flags);
 	}
 	uirq->refcnt++;
 
@@ -315,8 +314,11 @@
 	if (index >= 0) {
 		uirq = &priv->uirqs[lirq->index];
 		uirq->refcnt--;
-		if (uirq->refcnt == 0)
+		if (uirq->refcnt == 0) {
+			spin_unlock_irqrestore(&priv->gc.bgpio_lock, flags);
 			free_irq(uirq->uirq, priv);
+			return;
+		}
 	}
 
 	spin_unlock_irqrestore(&priv->gc.bgpio_lock, flags);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c
index cc4e18d..4779740 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c
@@ -336,17 +336,9 @@
 		path_size += le16_to_cpu(path->usSize);
 
 		if (device_support & le16_to_cpu(path->usDeviceTag)) {
-			uint8_t con_obj_id, con_obj_num, con_obj_type;
-
-			con_obj_id =
+			uint8_t con_obj_id =
 			    (le16_to_cpu(path->usConnObjectId) & OBJECT_ID_MASK)
 			    >> OBJECT_ID_SHIFT;
-			con_obj_num =
-			    (le16_to_cpu(path->usConnObjectId) & ENUM_ID_MASK)
-			    >> ENUM_ID_SHIFT;
-			con_obj_type =
-			    (le16_to_cpu(path->usConnObjectId) &
-			     OBJECT_TYPE_MASK) >> OBJECT_TYPE_SHIFT;
 
 			/* Skip TV/CV support */
 			if ((le16_to_cpu(path->usDeviceTag) ==
@@ -371,14 +363,7 @@
 			router.ddc_valid = false;
 			router.cd_valid = false;
 			for (j = 0; j < ((le16_to_cpu(path->usSize) - 8) / 2); j++) {
-				uint8_t grph_obj_id, grph_obj_num, grph_obj_type;
-
-				grph_obj_id =
-				    (le16_to_cpu(path->usGraphicObjIds[j]) &
-				     OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
-				grph_obj_num =
-				    (le16_to_cpu(path->usGraphicObjIds[j]) &
-				     ENUM_ID_MASK) >> ENUM_ID_SHIFT;
+				uint8_t grph_obj_type=
 				grph_obj_type =
 				    (le16_to_cpu(path->usGraphicObjIds[j]) &
 				     OBJECT_TYPE_MASK) >> OBJECT_TYPE_SHIFT;
diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c
index ff7d482..7a2366b 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc15.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc15.c
@@ -279,7 +279,12 @@
 }
 static u32 soc15_get_xclk(struct amdgpu_device *adev)
 {
-	return adev->clock.spll.reference_freq;
+	u32 reference_clock = adev->clock.spll.reference_freq;
+
+	if (adev->asic_type == CHIP_RAVEN)
+		return reference_clock / 4;
+
+	return reference_clock;
 }
 
 
diff --git a/drivers/gpu/drm/drm_debugfs_crc.c b/drivers/gpu/drm/drm_debugfs_crc.c
index 2901b79..6858c80 100644
--- a/drivers/gpu/drm/drm_debugfs_crc.c
+++ b/drivers/gpu/drm/drm_debugfs_crc.c
@@ -101,8 +101,8 @@
 	if (IS_ERR(source))
 		return PTR_ERR(source);
 
-	if (source[len] == '\n')
-		source[len] = '\0';
+	if (source[len - 1] == '\n')
+		source[len - 1] = '\0';
 
 	spin_lock_irq(&crc->lock);
 
diff --git a/drivers/gpu/drm/gma500/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c
index 2570c7f..883fc45 100644
--- a/drivers/gpu/drm/gma500/framebuffer.c
+++ b/drivers/gpu/drm/gma500/framebuffer.c
@@ -486,6 +486,7 @@
 		container_of(helper, struct psb_fbdev, psb_fb_helper);
 	struct drm_device *dev = psb_fbdev->psb_fb_helper.dev;
 	struct drm_psb_private *dev_priv = dev->dev_private;
+	unsigned int fb_size;
 	int bytespp;
 
 	bytespp = sizes->surface_bpp / 8;
@@ -495,8 +496,11 @@
 	/* If the mode will not fit in 32bit then switch to 16bit to get
 	   a console on full resolution. The X mode setting server will
 	   allocate its own 32bit GEM framebuffer */
-	if (ALIGN(sizes->fb_width * bytespp, 64) * sizes->fb_height >
-	                dev_priv->vram_stolen_size) {
+	fb_size = ALIGN(sizes->surface_width * bytespp, 64) *
+		  sizes->surface_height;
+	fb_size = ALIGN(fb_size, PAGE_SIZE);
+
+	if (fb_size > dev_priv->vram_stolen_size) {
                 sizes->surface_bpp = 16;
                 sizes->surface_depth = 16;
         }
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
index 658b8dd..3ea311d 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
@@ -307,6 +307,7 @@
 static void mtk_crtc_ddp_hw_fini(struct mtk_drm_crtc *mtk_crtc)
 {
 	struct drm_device *drm = mtk_crtc->base.dev;
+	struct drm_crtc *crtc = &mtk_crtc->base;
 	int i;
 
 	DRM_DEBUG_DRIVER("%s\n", __func__);
@@ -328,6 +329,13 @@
 	mtk_disp_mutex_unprepare(mtk_crtc->mutex);
 
 	pm_runtime_put(drm->dev);
+
+	if (crtc->state->event && !crtc->state->active) {
+		spin_lock_irq(&crtc->dev->event_lock);
+		drm_crtc_send_vblank_event(crtc, crtc->state->event);
+		crtc->state->event = NULL;
+		spin_unlock_irq(&crtc->dev->event_lock);
+	}
 }
 
 static void mtk_crtc_ddp_config(struct drm_crtc *crtc)
diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.c b/drivers/gpu/drm/nouveau/nouveau_fence.c
index 99e14e3e..7253253 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fence.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fence.c
@@ -158,7 +158,7 @@
 
 		fence = list_entry(fctx->pending.next, typeof(*fence), head);
 		chan = rcu_dereference_protected(fence->channel, lockdep_is_held(&fctx->lock));
-		if (nouveau_fence_update(fence->channel, fctx))
+		if (nouveau_fence_update(chan, fctx))
 			ret = NVIF_NOTIFY_DROP;
 	}
 	spin_unlock_irqrestore(&fctx->lock, flags);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/channv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/channv50.c
index 0c03104..cd96665 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/channv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/channv50.c
@@ -73,6 +73,8 @@
 
 	if (debug > subdev->debug)
 		return;
+	if (!mthd)
+		return;
 
 	for (i = 0; (list = mthd->data[i].mthd) != NULL; i++) {
 		u32 base = chan->head * mthd->addr;
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gk20a.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gk20a.c
index de8b806..7618b2e 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gk20a.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gk20a.c
@@ -143,23 +143,24 @@
 
 	nent = (fuc.size / sizeof(struct gk20a_fw_av));
 
-	pack = vzalloc((sizeof(*pack) * max_classes) +
-		       (sizeof(*init) * (nent + 1)));
+	pack = vzalloc((sizeof(*pack) * (max_classes + 1)) +
+		       (sizeof(*init) * (nent + max_classes + 1)));
 	if (!pack) {
 		ret = -ENOMEM;
 		goto end;
 	}
 
-	init = (void *)(pack + max_classes);
+	init = (void *)(pack + max_classes + 1);
 
-	for (i = 0; i < nent; i++) {
-		struct gf100_gr_init *ent = &init[i];
+	for (i = 0; i < nent; i++, init++) {
 		struct gk20a_fw_av *av = &((struct gk20a_fw_av *)fuc.data)[i];
 		u32 class = av->addr & 0xffff;
 		u32 addr = (av->addr & 0xffff0000) >> 14;
 
 		if (prevclass != class) {
-			pack[classidx].init = ent;
+			if (prevclass) /* Add terminator to the method list. */
+				init++;
+			pack[classidx].init = init;
 			pack[classidx].type = class;
 			prevclass = class;
 			if (++classidx >= max_classes) {
@@ -169,10 +170,10 @@
 			}
 		}
 
-		ent->addr = addr;
-		ent->data = av->data;
-		ent->count = 1;
-		ent->pitch = 1;
+		init->addr = addr;
+		init->data = av->data;
+		init->count = 1;
+		init->pitch = 1;
 	}
 
 	*ppack = pack;
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gm20b.c b/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gm20b.c
index 30491d1..fbd10a6 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gm20b.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gm20b.c
@@ -108,6 +108,7 @@
 	struct gm200_secboot *gsb;
 	struct nvkm_acr *acr;
 
+	*psb = NULL;
 	acr = acr_r352_new(BIT(NVKM_SECBOOT_FALCON_FECS) |
 			   BIT(NVKM_SECBOOT_FALCON_PMU));
 	if (IS_ERR(acr))
@@ -116,10 +117,8 @@
 	acr->optional_falcons = BIT(NVKM_SECBOOT_FALCON_PMU);
 
 	gsb = kzalloc(sizeof(*gsb), GFP_KERNEL);
-	if (!gsb) {
-		psb = NULL;
+	if (!gsb)
 		return -ENOMEM;
-	}
 	*psb = &gsb->base;
 
 	ret = nvkm_secboot_ctor(&gm20b_secboot, acr, device, index, &gsb->base);
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index 4f94b78..d86110c 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -119,6 +119,8 @@
 
 	DRM_DEBUG_KMS("%d\n", radeon_crtc->crtc_id);
 
+	msleep(10);
+
 	WREG32(NI_INPUT_CSC_CONTROL + radeon_crtc->crtc_offset,
 	       (NI_INPUT_CSC_GRPH_MODE(NI_INPUT_CSC_BYPASS) |
 		NI_INPUT_CSC_OVL_MODE(NI_INPUT_CSC_BYPASS)));
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c
index 36c7b6c..738ad2f 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c
@@ -210,8 +210,10 @@
 
 	cres->hash.key = user_key | (res_type << 24);
 	ret = drm_ht_insert_item(&man->resources, &cres->hash);
-	if (unlikely(ret != 0))
+	if (unlikely(ret != 0)) {
+		kfree(cres);
 		goto out_invalid_key;
+	}
 
 	cres->state = VMW_CMDBUF_RES_ADD;
 	cres->res = vmw_resource_reference(res);
diff --git a/drivers/hwmon/pmbus/ltc2978.c b/drivers/hwmon/pmbus/ltc2978.c
index 58b789c..94eea2a 100644
--- a/drivers/hwmon/pmbus/ltc2978.c
+++ b/drivers/hwmon/pmbus/ltc2978.c
@@ -89,8 +89,8 @@
 
 #define LTC_POLL_TIMEOUT		100	/* in milli-seconds */
 
-#define LTC_NOT_BUSY			BIT(5)
-#define LTC_NOT_PENDING			BIT(4)
+#define LTC_NOT_BUSY			BIT(6)
+#define LTC_NOT_PENDING			BIT(5)
 
 /*
  * LTC2978 clears peak data whenever the CLEAR_FAULTS command is executed, which
diff --git a/drivers/ide/cmd64x.c b/drivers/ide/cmd64x.c
index b127ed6..9dde839 100644
--- a/drivers/ide/cmd64x.c
+++ b/drivers/ide/cmd64x.c
@@ -65,6 +65,9 @@
 	struct ide_timing t;
 	u8 arttim = 0;
 
+	if (drive->dn >= ARRAY_SIZE(drwtim_regs))
+		return;
+
 	ide_timing_compute(drive, mode, &t, T, 0);
 
 	/*
diff --git a/drivers/ide/serverworks.c b/drivers/ide/serverworks.c
index a97affc..0f57d45 100644
--- a/drivers/ide/serverworks.c
+++ b/drivers/ide/serverworks.c
@@ -114,6 +114,9 @@
 	struct pci_dev *dev = to_pci_dev(hwif->dev);
 	const u8 pio = drive->pio_mode - XFER_PIO_0;
 
+	if (drive->dn >= ARRAY_SIZE(drive_pci))
+		return;
+
 	pci_write_config_byte(dev, drive_pci[drive->dn], pio_modes[pio]);
 
 	if (svwks_csb_check(dev)) {
@@ -140,6 +143,9 @@
 
 	u8 ultra_enable	 = 0, ultra_timing = 0, dma_timing = 0;
 
+	if (drive->dn >= ARRAY_SIZE(drive_pci2))
+		return;
+
 	pci_read_config_byte(dev, (0x56|hwif->channel), &ultra_timing);
 	pci_read_config_byte(dev, 0x54, &ultra_enable);
 
diff --git a/drivers/infiniband/core/security.c b/drivers/infiniband/core/security.c
index a3dd88c..9b82766 100644
--- a/drivers/infiniband/core/security.c
+++ b/drivers/infiniband/core/security.c
@@ -338,22 +338,16 @@
 	if (!new_pps)
 		return NULL;
 
-	if (qp_attr_mask & (IB_QP_PKEY_INDEX | IB_QP_PORT)) {
-		if (!qp_pps) {
-			new_pps->main.port_num = qp_attr->port_num;
-			new_pps->main.pkey_index = qp_attr->pkey_index;
-		} else {
-			new_pps->main.port_num = (qp_attr_mask & IB_QP_PORT) ?
-						  qp_attr->port_num :
-						  qp_pps->main.port_num;
-
-			new_pps->main.pkey_index =
-					(qp_attr_mask & IB_QP_PKEY_INDEX) ?
-					 qp_attr->pkey_index :
-					 qp_pps->main.pkey_index;
-		}
+	if (qp_attr_mask & IB_QP_PORT)
+		new_pps->main.port_num =
+			(qp_pps) ? qp_pps->main.port_num : qp_attr->port_num;
+	if (qp_attr_mask & IB_QP_PKEY_INDEX)
+		new_pps->main.pkey_index = (qp_pps) ? qp_pps->main.pkey_index :
+						      qp_attr->pkey_index;
+	if ((qp_attr_mask & IB_QP_PKEY_INDEX) && (qp_attr_mask & IB_QP_PORT))
 		new_pps->main.state = IB_PORT_PKEY_VALID;
-	} else if (qp_pps) {
+
+	if (!(qp_attr_mask & (IB_QP_PKEY_INDEX || IB_QP_PORT)) && qp_pps) {
 		new_pps->main.port_num = qp_pps->main.port_num;
 		new_pps->main.pkey_index = qp_pps->main.pkey_index;
 		if (qp_pps->main.state != IB_PORT_PKEY_NOT_VALID)
diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c
index 4a0b7c0..cb5785d 100644
--- a/drivers/infiniband/hw/hfi1/chip.c
+++ b/drivers/infiniband/hw/hfi1/chip.c
@@ -1686,6 +1686,14 @@
 	return dd->verbs_dev.n_piodrain;
 }
 
+static u64 access_sw_ctx0_seq_drop(const struct cntr_entry *entry,
+				   void *context, int vl, int mode, u64 data)
+{
+	struct hfi1_devdata *dd = context;
+
+	return dd->ctx0_seq_drop;
+}
+
 static u64 access_sw_vtx_wait(const struct cntr_entry *entry,
 			      void *context, int vl, int mode, u64 data)
 {
@@ -4246,6 +4254,8 @@
 			    access_sw_cpu_intr),
 [C_SW_CPU_RCV_LIM] = CNTR_ELEM("RcvLimit", 0, 0, CNTR_NORMAL,
 			    access_sw_cpu_rcv_limit),
+[C_SW_CTX0_SEQ_DROP] = CNTR_ELEM("SeqDrop0", 0, 0, CNTR_NORMAL,
+			    access_sw_ctx0_seq_drop),
 [C_SW_VTX_WAIT] = CNTR_ELEM("vTxWait", 0, 0, CNTR_NORMAL,
 			    access_sw_vtx_wait),
 [C_SW_PIO_WAIT] = CNTR_ELEM("PioWait", 0, 0, CNTR_NORMAL,
diff --git a/drivers/infiniband/hw/hfi1/chip.h b/drivers/infiniband/hw/hfi1/chip.h
index 50b8645..a88ef24 100644
--- a/drivers/infiniband/hw/hfi1/chip.h
+++ b/drivers/infiniband/hw/hfi1/chip.h
@@ -864,6 +864,7 @@
 	C_DC_PG_STS_TX_MBE_CNT,
 	C_SW_CPU_INTR,
 	C_SW_CPU_RCV_LIM,
+	C_SW_CTX0_SEQ_DROP,
 	C_SW_VTX_WAIT,
 	C_SW_PIO_WAIT,
 	C_SW_PIO_DRAIN,
diff --git a/drivers/infiniband/hw/hfi1/driver.c b/drivers/infiniband/hw/hfi1/driver.c
index 72c836b8..7aa1aab 100644
--- a/drivers/infiniband/hw/hfi1/driver.c
+++ b/drivers/infiniband/hw/hfi1/driver.c
@@ -710,6 +710,7 @@
 {
 	int ret;
 
+	packet->rcd->dd->ctx0_seq_drop++;
 	/* Set up for the next packet */
 	packet->rhqoff += packet->rsize;
 	if (packet->rhqoff >= packet->maxcnt)
diff --git a/drivers/infiniband/hw/hfi1/file_ops.c b/drivers/infiniband/hw/hfi1/file_ops.c
index 76861a8..b3ab803 100644
--- a/drivers/infiniband/hw/hfi1/file_ops.c
+++ b/drivers/infiniband/hw/hfi1/file_ops.c
@@ -195,23 +195,24 @@
 
 	fd = kzalloc(sizeof(*fd), GFP_KERNEL);
 
-	if (fd) {
-		fd->rec_cpu_num = -1; /* no cpu affinity by default */
-		fd->mm = current->mm;
-		mmgrab(fd->mm);
-		fd->dd = dd;
-		kobject_get(&fd->dd->kobj);
-		fp->private_data = fd;
-	} else {
-		fp->private_data = NULL;
-
-		if (atomic_dec_and_test(&dd->user_refcount))
-			complete(&dd->user_comp);
-
-		return -ENOMEM;
-	}
-
+	if (!fd || init_srcu_struct(&fd->pq_srcu))
+		goto nomem;
+	spin_lock_init(&fd->pq_rcu_lock);
+	spin_lock_init(&fd->tid_lock);
+	spin_lock_init(&fd->invalid_lock);
+	fd->rec_cpu_num = -1; /* no cpu affinity by default */
+	fd->mm = current->mm;
+	mmgrab(fd->mm);
+	fd->dd = dd;
+	kobject_get(&fd->dd->kobj);
+	fp->private_data = fd;
 	return 0;
+nomem:
+	kfree(fd);
+	fp->private_data = NULL;
+	if (atomic_dec_and_test(&dd->user_refcount))
+		complete(&dd->user_comp);
+	return -ENOMEM;
 }
 
 static long hfi1_file_ioctl(struct file *fp, unsigned int cmd,
@@ -417,21 +418,30 @@
 static ssize_t hfi1_write_iter(struct kiocb *kiocb, struct iov_iter *from)
 {
 	struct hfi1_filedata *fd = kiocb->ki_filp->private_data;
-	struct hfi1_user_sdma_pkt_q *pq = fd->pq;
+	struct hfi1_user_sdma_pkt_q *pq;
 	struct hfi1_user_sdma_comp_q *cq = fd->cq;
 	int done = 0, reqs = 0;
 	unsigned long dim = from->nr_segs;
+	int idx;
 
-	if (!cq || !pq)
+	idx = srcu_read_lock(&fd->pq_srcu);
+	pq = srcu_dereference(fd->pq, &fd->pq_srcu);
+	if (!cq || !pq) {
+		srcu_read_unlock(&fd->pq_srcu, idx);
 		return -EIO;
+	}
 
-	if (!iter_is_iovec(from) || !dim)
+	if (!iter_is_iovec(from) || !dim) {
+		srcu_read_unlock(&fd->pq_srcu, idx);
 		return -EINVAL;
+	}
 
 	trace_hfi1_sdma_request(fd->dd, fd->uctxt->ctxt, fd->subctxt, dim);
 
-	if (atomic_read(&pq->n_reqs) == pq->n_max_reqs)
+	if (atomic_read(&pq->n_reqs) == pq->n_max_reqs) {
+		srcu_read_unlock(&fd->pq_srcu, idx);
 		return -ENOSPC;
+	}
 
 	while (dim) {
 		int ret;
@@ -449,6 +459,7 @@
 		reqs++;
 	}
 
+	srcu_read_unlock(&fd->pq_srcu, idx);
 	return reqs;
 }
 
@@ -824,6 +835,7 @@
 	if (atomic_dec_and_test(&dd->user_refcount))
 		complete(&dd->user_comp);
 
+	cleanup_srcu_struct(&fdata->pq_srcu);
 	kfree(fdata);
 	return 0;
 }
diff --git a/drivers/infiniband/hw/hfi1/hfi.h b/drivers/infiniband/hw/hfi1/hfi.h
index af550c1..cf9bc95 100644
--- a/drivers/infiniband/hw/hfi1/hfi.h
+++ b/drivers/infiniband/hw/hfi1/hfi.h
@@ -1043,6 +1043,8 @@
 
 	char *boardname; /* human readable board info */
 
+	u64 ctx0_seq_drop;
+
 	/* reset value */
 	u64 z_int_counter;
 	u64 z_rcv_limit;
@@ -1353,10 +1355,13 @@
 
 /* Private data for file operations */
 struct hfi1_filedata {
+	struct srcu_struct pq_srcu;
 	struct hfi1_devdata *dd;
 	struct hfi1_ctxtdata *uctxt;
 	struct hfi1_user_sdma_comp_q *cq;
-	struct hfi1_user_sdma_pkt_q *pq;
+	/* update side lock for SRCU */
+	spinlock_t pq_rcu_lock;
+	struct hfi1_user_sdma_pkt_q __rcu *pq;
 	u16 subctxt;
 	/* for cpu affinity; -1 if none */
 	int rec_cpu_num;
diff --git a/drivers/infiniband/hw/hfi1/user_exp_rcv.c b/drivers/infiniband/hw/hfi1/user_exp_rcv.c
index b38e380..c6d085e 100644
--- a/drivers/infiniband/hw/hfi1/user_exp_rcv.c
+++ b/drivers/infiniband/hw/hfi1/user_exp_rcv.c
@@ -90,9 +90,6 @@
 	struct hfi1_devdata *dd = uctxt->dd;
 	int ret = 0;
 
-	spin_lock_init(&fd->tid_lock);
-	spin_lock_init(&fd->invalid_lock);
-
 	fd->entry_to_rb = kcalloc(uctxt->expected_count,
 				  sizeof(struct rb_node *),
 				  GFP_KERNEL);
diff --git a/drivers/infiniband/hw/hfi1/user_sdma.c b/drivers/infiniband/hw/hfi1/user_sdma.c
index 4854a4a..f23d471 100644
--- a/drivers/infiniband/hw/hfi1/user_sdma.c
+++ b/drivers/infiniband/hw/hfi1/user_sdma.c
@@ -179,7 +179,6 @@
 	pq = kzalloc(sizeof(*pq), GFP_KERNEL);
 	if (!pq)
 		return -ENOMEM;
-
 	pq->dd = dd;
 	pq->ctxt = uctxt->ctxt;
 	pq->subctxt = fd->subctxt;
@@ -236,7 +235,7 @@
 		goto pq_mmu_fail;
 	}
 
-	fd->pq = pq;
+	rcu_assign_pointer(fd->pq, pq);
 	fd->cq = cq;
 
 	return 0;
@@ -264,8 +263,14 @@
 
 	trace_hfi1_sdma_user_free_queues(uctxt->dd, uctxt->ctxt, fd->subctxt);
 
-	pq = fd->pq;
+	spin_lock(&fd->pq_rcu_lock);
+	pq = srcu_dereference_check(fd->pq, &fd->pq_srcu,
+				    lockdep_is_held(&fd->pq_rcu_lock));
 	if (pq) {
+		rcu_assign_pointer(fd->pq, NULL);
+		spin_unlock(&fd->pq_rcu_lock);
+		synchronize_srcu(&fd->pq_srcu);
+		/* at this point there can be no more new requests */
 		if (pq->handler)
 			hfi1_mmu_rb_unregister(pq->handler);
 		iowait_sdma_drain(&pq->busy);
@@ -277,7 +282,8 @@
 		kfree(pq->req_in_use);
 		kmem_cache_destroy(pq->txreq_cache);
 		kfree(pq);
-		fd->pq = NULL;
+	} else {
+		spin_unlock(&fd->pq_rcu_lock);
 	}
 	if (fd->cq) {
 		vfree(fd->cq->comps);
@@ -321,7 +327,8 @@
 {
 	int ret = 0, i;
 	struct hfi1_ctxtdata *uctxt = fd->uctxt;
-	struct hfi1_user_sdma_pkt_q *pq = fd->pq;
+	struct hfi1_user_sdma_pkt_q *pq =
+		srcu_dereference(fd->pq, &fd->pq_srcu);
 	struct hfi1_user_sdma_comp_q *cq = fd->cq;
 	struct hfi1_devdata *dd = pq->dd;
 	unsigned long idx = 0;
diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.h b/drivers/infiniband/sw/rxe/rxe_verbs.h
index d1cc89f..46c8a66 100644
--- a/drivers/infiniband/sw/rxe/rxe_verbs.h
+++ b/drivers/infiniband/sw/rxe/rxe_verbs.h
@@ -408,7 +408,7 @@
 	struct list_head	pending_mmaps;
 
 	spinlock_t		mmap_offset_lock; /* guard mmap_offset */
-	int			mmap_offset;
+	u64			mmap_offset;
 
 	atomic64_t		stats_counters[RXE_NUM_OF_COUNTERS];
 
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index 9b5691f..ee3f630 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -2582,6 +2582,17 @@
 	}
 }
 
+static void
+isert_wait4cmds(struct iscsi_conn *conn)
+{
+	isert_info("iscsi_conn %p\n", conn);
+
+	if (conn->sess) {
+		target_sess_cmd_list_set_waiting(conn->sess->se_sess);
+		target_wait_for_sess_cmds(conn->sess->se_sess);
+	}
+}
+
 /**
  * isert_put_unsol_pending_cmds() - Drop commands waiting for
  *     unsolicitate dataout
@@ -2629,6 +2640,7 @@
 
 	ib_drain_qp(isert_conn->qp);
 	isert_put_unsol_pending_cmds(conn);
+	isert_wait4cmds(conn);
 	isert_wait4logout(isert_conn);
 
 	queue_work(isert_release_wq, &isert_conn->release_work);
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 111a711..5f764e0 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -149,7 +149,6 @@
 	"LEN0042", /* Yoga */
 	"LEN0045",
 	"LEN0047",
-	"LEN0049",
 	"LEN2000", /* S540 */
 	"LEN2001", /* Edge E431 */
 	"LEN2002", /* Edge E531 */
@@ -169,9 +168,11 @@
 	/* all of the topbuttonpad_pnp_ids are valid, we just add some extras */
 	"LEN0048", /* X1 Carbon 3 */
 	"LEN0046", /* X250 */
+	"LEN0049", /* Yoga 11e */
 	"LEN004a", /* W541 */
 	"LEN005b", /* P50 */
 	"LEN005e", /* T560 */
+	"LEN006c", /* T470s */
 	"LEN0071", /* T480 */
 	"LEN0072", /* X1 Carbon Gen 5 (2017) - Elan/ALPS trackpoint */
 	"LEN0073", /* X1 Carbon G5 (Elantech) */
@@ -182,6 +183,7 @@
 	"LEN0097", /* X280 -> ALPS trackpoint */
 	"LEN009b", /* T580 */
 	"LEN200f", /* T450s */
+	"LEN2044", /* L470  */
 	"LEN2054", /* E480 */
 	"LEN2055", /* E580 */
 	"SYN3052", /* HP EliteBook 840 G4 */
diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c
index 5bf63f7..4eff5b4 100644
--- a/drivers/input/touchscreen/edt-ft5x06.c
+++ b/drivers/input/touchscreen/edt-ft5x06.c
@@ -888,6 +888,7 @@
 {
 	const struct edt_i2c_chip_data *chip_data;
 	struct edt_ft5x06_ts_data *tsdata;
+	u8 buf[2] = { 0xfc, 0x00 };
 	struct input_dev *input;
 	unsigned long irq_flags;
 	int error;
@@ -957,6 +958,12 @@
 		return error;
 	}
 
+	/*
+	 * Dummy read access. EP0700MLP1 returns bogus data on the first
+	 * register read access and ignores writes.
+	 */
+	edt_ft5x06_ts_readwrite(tsdata->client, 2, buf, 2, buf);
+
 	edt_ft5x06_ts_set_regs(tsdata);
 	edt_ft5x06_ts_get_defaults(&client->dev, tsdata);
 	edt_ft5x06_ts_get_parameters(tsdata);
diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c
index 09eb258..29feafa 100644
--- a/drivers/iommu/arm-smmu-v3.c
+++ b/drivers/iommu/arm-smmu-v3.c
@@ -1145,7 +1145,8 @@
 	}
 
 	arm_smmu_sync_ste_for_sid(smmu, sid);
-	dst[0] = cpu_to_le64(val);
+	/* See comment in arm_smmu_write_ctx_desc() */
+	WRITE_ONCE(dst[0], cpu_to_le64(val));
 	arm_smmu_sync_ste_for_sid(smmu, sid);
 
 	/* It's likely that we'll want to use the new STE soon */
diff --git a/drivers/iommu/qcom_iommu.c b/drivers/iommu/qcom_iommu.c
index c8a587d..b080028 100644
--- a/drivers/iommu/qcom_iommu.c
+++ b/drivers/iommu/qcom_iommu.c
@@ -327,21 +327,19 @@
 {
 	struct qcom_iommu_domain *qcom_domain = to_qcom_iommu_domain(domain);
 
-	if (WARN_ON(qcom_domain->iommu))    /* forgot to detach? */
-		return;
-
 	iommu_put_dma_cookie(domain);
 
-	/* NOTE: unmap can be called after client device is powered off,
-	 * for example, with GPUs or anything involving dma-buf.  So we
-	 * cannot rely on the device_link.  Make sure the IOMMU is on to
-	 * avoid unclocked accesses in the TLB inv path:
-	 */
-	pm_runtime_get_sync(qcom_domain->iommu->dev);
-
-	free_io_pgtable_ops(qcom_domain->pgtbl_ops);
-
-	pm_runtime_put_sync(qcom_domain->iommu->dev);
+	if (qcom_domain->iommu) {
+		/*
+		 * NOTE: unmap can be called after client device is powered
+		 * off, for example, with GPUs or anything involving dma-buf.
+		 * So we cannot rely on the device_link.  Make sure the IOMMU
+		 * is on to avoid unclocked accesses in the TLB inv path:
+		 */
+		pm_runtime_get_sync(qcom_domain->iommu->dev);
+		free_io_pgtable_ops(qcom_domain->pgtbl_ops);
+		pm_runtime_put_sync(qcom_domain->iommu->dev);
+	}
 
 	kfree(qcom_domain);
 }
@@ -386,7 +384,7 @@
 	struct qcom_iommu_domain *qcom_domain = to_qcom_iommu_domain(domain);
 	unsigned i;
 
-	if (!qcom_domain->iommu)
+	if (WARN_ON(!qcom_domain->iommu))
 		return;
 
 	pm_runtime_get_sync(qcom_iommu->dev);
@@ -397,8 +395,6 @@
 		iommu_writel(ctx, ARM_SMMU_CB_SCTLR, 0);
 	}
 	pm_runtime_put_sync(qcom_iommu->dev);
-
-	qcom_domain->iommu = NULL;
 }
 
 static int qcom_iommu_map(struct iommu_domain *domain, unsigned long iova,
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 52238e6b..799df1e 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -527,7 +527,7 @@
 						   struct its_cmd_desc *desc)
 {
 	its_encode_cmd(cmd, GITS_CMD_INVALL);
-	its_encode_collection(cmd, desc->its_mapc_cmd.col->col_id);
+	its_encode_collection(cmd, desc->its_invall_cmd.col->col_id);
 
 	its_fixup_cmd(cmd);
 
diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c
index 3d73746..730b3c1 100644
--- a/drivers/irqchip/irq-gic-v3.c
+++ b/drivers/irqchip/irq-gic-v3.c
@@ -1253,6 +1253,7 @@
 	struct redist_region *redist_regs;
 	u32 nr_redist_regions;
 	bool single_redist;
+	int enabled_rdists;
 	u32 maint_irq;
 	int maint_irq_mode;
 	phys_addr_t vcpu_base;
@@ -1347,8 +1348,10 @@
 	 * If GICC is enabled and has valid gicr base address, then it means
 	 * GICR base is presented via GICC
 	 */
-	if ((gicc->flags & ACPI_MADT_ENABLED) && gicc->gicr_base_address)
+	if ((gicc->flags & ACPI_MADT_ENABLED) && gicc->gicr_base_address) {
+		acpi_data.enabled_rdists++;
 		return 0;
+	}
 
 	/*
 	 * It's perfectly valid firmware can pass disabled GICC entry, driver
@@ -1378,8 +1381,10 @@
 
 	count = acpi_table_parse_madt(ACPI_MADT_TYPE_GENERIC_INTERRUPT,
 				      gic_acpi_match_gicc, 0);
-	if (count > 0)
+	if (count > 0) {
 		acpi_data.single_redist = true;
+		count = acpi_data.enabled_rdists;
+	}
 
 	return count;
 }
diff --git a/drivers/irqchip/irq-mbigen.c b/drivers/irqchip/irq-mbigen.c
index 98b6e1d..f7fdbf5 100644
--- a/drivers/irqchip/irq-mbigen.c
+++ b/drivers/irqchip/irq-mbigen.c
@@ -381,6 +381,7 @@
 		.name		= "Hisilicon MBIGEN-V2",
 		.of_match_table	= mbigen_of_match,
 		.acpi_match_table = ACPI_PTR(mbigen_acpi_match),
+		.suppress_bind_attrs = true,
 	},
 	.probe			= mbigen_device_probe,
 };
diff --git a/drivers/leds/leds-pca963x.c b/drivers/leds/leds-pca963x.c
index 3bf9a12..88c7313 100644
--- a/drivers/leds/leds-pca963x.c
+++ b/drivers/leds/leds-pca963x.c
@@ -43,6 +43,8 @@
 #define PCA963X_LED_PWM		0x2	/* Controlled through PWM */
 #define PCA963X_LED_GRP_PWM	0x3	/* Controlled through PWM/GRPPWM */
 
+#define PCA963X_MODE2_OUTDRV	0x04	/* Open-drain or totem pole */
+#define PCA963X_MODE2_INVRT	0x10	/* Normal or inverted direction */
 #define PCA963X_MODE2_DMBLNK	0x20	/* Enable blinking */
 
 #define PCA963X_MODE1		0x00
@@ -462,12 +464,12 @@
 						    PCA963X_MODE2);
 		/* Configure output: open-drain or totem pole (push-pull) */
 		if (pdata->outdrv == PCA963X_OPEN_DRAIN)
-			mode2 |= 0x01;
+			mode2 &= ~PCA963X_MODE2_OUTDRV;
 		else
-			mode2 |= 0x05;
+			mode2 |= PCA963X_MODE2_OUTDRV;
 		/* Configure direction: normal or inverted */
 		if (pdata->dir == PCA963X_INVERTED)
-			mode2 |= 0x10;
+			mode2 |= PCA963X_MODE2_INVRT;
 		i2c_smbus_write_byte_data(pca963x->chip->client, PCA963X_MODE2,
 					  mode2);
 	}
diff --git a/drivers/md/bcache/bset.h b/drivers/md/bcache/bset.h
index 8d1964b..0bfde50 100644
--- a/drivers/md/bcache/bset.h
+++ b/drivers/md/bcache/bset.h
@@ -381,7 +381,8 @@
 
 /* Bkey utility code */
 
-#define bset_bkey_last(i)	bkey_idx((struct bkey *) (i)->d, (i)->keys)
+#define bset_bkey_last(i)	bkey_idx((struct bkey *) (i)->d, \
+					 (unsigned int)(i)->keys)
 
 static inline struct bkey *bset_bkey_idx(struct bset *i, unsigned idx)
 {
diff --git a/drivers/media/i2c/mt9v032.c b/drivers/media/i2c/mt9v032.c
index 8a43064..1a20d0d 100644
--- a/drivers/media/i2c/mt9v032.c
+++ b/drivers/media/i2c/mt9v032.c
@@ -423,10 +423,12 @@
 				  struct v4l2_subdev_pad_config *cfg,
 				  struct v4l2_subdev_mbus_code_enum *code)
 {
+	struct mt9v032 *mt9v032 = to_mt9v032(subdev);
+
 	if (code->index > 0)
 		return -EINVAL;
 
-	code->code = MEDIA_BUS_FMT_SGRBG10_1X10;
+	code->code = mt9v032->format.code;
 	return 0;
 }
 
@@ -434,7 +436,11 @@
 				   struct v4l2_subdev_pad_config *cfg,
 				   struct v4l2_subdev_frame_size_enum *fse)
 {
-	if (fse->index >= 3 || fse->code != MEDIA_BUS_FMT_SGRBG10_1X10)
+	struct mt9v032 *mt9v032 = to_mt9v032(subdev);
+
+	if (fse->index >= 3)
+		return -EINVAL;
+	if (mt9v032->format.code != fse->code)
 		return -EINVAL;
 
 	fse->min_width = MT9V032_WINDOW_WIDTH_DEF / (1 << fse->index);
diff --git a/drivers/media/platform/sti/bdisp/bdisp-hw.c b/drivers/media/platform/sti/bdisp/bdisp-hw.c
index b7892f3..5c4c3f0 100644
--- a/drivers/media/platform/sti/bdisp/bdisp-hw.c
+++ b/drivers/media/platform/sti/bdisp/bdisp-hw.c
@@ -14,8 +14,8 @@
 #define MAX_SRC_WIDTH           2048
 
 /* Reset & boot poll config */
-#define POLL_RST_MAX            50
-#define POLL_RST_DELAY_MS       20
+#define POLL_RST_MAX            500
+#define POLL_RST_DELAY_MS       2
 
 enum bdisp_target_plan {
 	BDISP_RGB,
@@ -382,7 +382,7 @@
 	for (i = 0; i < POLL_RST_MAX; i++) {
 		if (readl(bdisp->regs + BLT_STA1) & BLT_STA1_IDLE)
 			break;
-		msleep(POLL_RST_DELAY_MS);
+		udelay(POLL_RST_DELAY_MS * 1000);
 	}
 	if (i == POLL_RST_MAX)
 		dev_err(bdisp->dev, "Reset timeout\n");
diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c
index 19f374b..52a3b32 100644
--- a/drivers/net/ethernet/cisco/enic/enic_main.c
+++ b/drivers/net/ethernet/cisco/enic/enic_main.c
@@ -1972,10 +1972,10 @@
 		napi_disable(&enic->napi[i]);
 
 	netif_carrier_off(netdev);
-	netif_tx_disable(netdev);
 	if (vnic_dev_get_intr_mode(enic->vdev) == VNIC_DEV_INTR_MODE_MSIX)
 		for (i = 0; i < enic->wq_count; i++)
 			napi_disable(&enic->napi[enic_cq_wq(enic, i)]);
+	netif_tx_disable(netdev);
 
 	if (!enic_is_dynamic(enic) && !enic_is_sriov_vf(enic))
 		enic_dev_del_station_addr(enic);
diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c
index 27d0e3b..e4a2c74 100644
--- a/drivers/net/ethernet/freescale/gianfar.c
+++ b/drivers/net/ethernet/freescale/gianfar.c
@@ -2685,13 +2685,17 @@
 	skb_dirtytx = tx_queue->skb_dirtytx;
 
 	while ((skb = tx_queue->tx_skbuff[skb_dirtytx])) {
+		bool do_tstamp;
+
+		do_tstamp = (skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP) &&
+			    priv->hwts_tx_en;
 
 		frags = skb_shinfo(skb)->nr_frags;
 
 		/* When time stamping, one additional TxBD must be freed.
 		 * Also, we need to dma_unmap_single() the TxPAL.
 		 */
-		if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_IN_PROGRESS))
+		if (unlikely(do_tstamp))
 			nr_txbds = frags + 2;
 		else
 			nr_txbds = frags + 1;
@@ -2705,7 +2709,7 @@
 		    (lstatus & BD_LENGTH_MASK))
 			break;
 
-		if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_IN_PROGRESS)) {
+		if (unlikely(do_tstamp)) {
 			next = next_txbd(bdp, base, tx_ring_size);
 			buflen = be16_to_cpu(next->length) +
 				 GMAC_FCB_LEN + GMAC_TXPAL_LEN;
@@ -2715,7 +2719,7 @@
 		dma_unmap_single(priv->dev, be32_to_cpu(bdp->bufPtr),
 				 buflen, DMA_TO_DEVICE);
 
-		if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_IN_PROGRESS)) {
+		if (unlikely(do_tstamp)) {
 			struct skb_shared_hwtstamps shhwtstamps;
 			u64 *ns = (u64 *)(((uintptr_t)skb->data + 0x10) &
 					  ~0x7UL);
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.c
index 51e6846..3c04f3d 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.c
@@ -225,7 +225,7 @@
 start_again:
 	err = devlink_dpipe_entry_ctx_prepare(dump_ctx);
 	if (err)
-		return err;
+		goto err_ctx_prepare;
 	j = 0;
 	for (; i < rif_count; i++) {
 		struct mlxsw_sp_rif *rif = mlxsw_sp_rif_by_index(mlxsw_sp, i);
@@ -257,6 +257,7 @@
 	return 0;
 err_entry_append:
 err_entry_get:
+err_ctx_prepare:
 	rtnl_unlock();
 	devlink_dpipe_entry_clear(&entry);
 	return err;
diff --git a/drivers/net/wan/fsl_ucc_hdlc.c b/drivers/net/wan/fsl_ucc_hdlc.c
index 571a1ff..6a26cef 100644
--- a/drivers/net/wan/fsl_ucc_hdlc.c
+++ b/drivers/net/wan/fsl_ucc_hdlc.c
@@ -240,6 +240,11 @@
 		ret = -ENOMEM;
 		goto free_riptr;
 	}
+	if (riptr != (u16)riptr || tiptr != (u16)tiptr) {
+		dev_err(priv->dev, "MURAM allocation out of addressable range\n");
+		ret = -ENOMEM;
+		goto free_tiptr;
+	}
 
 	/* Set RIPTR, TIPTR */
 	iowrite16be(riptr, &priv->ucc_pram->riptr);
diff --git a/drivers/net/wan/ixp4xx_hss.c b/drivers/net/wan/ixp4xx_hss.c
index 6a505c2..a269ed6 100644
--- a/drivers/net/wan/ixp4xx_hss.c
+++ b/drivers/net/wan/ixp4xx_hss.c
@@ -261,7 +261,7 @@
 	struct hss_plat_info *plat;
 	buffer_t *rx_buff_tab[RX_DESCS], *tx_buff_tab[TX_DESCS];
 	struct desc *desc_tab;	/* coherent */
-	u32 desc_tab_phys;
+	dma_addr_t desc_tab_phys;
 	unsigned int id;
 	unsigned int clock_type, clock_rate, loopback;
 	unsigned int initialized, carrier;
@@ -861,7 +861,7 @@
 		dev->stats.tx_dropped++;
 		return NETDEV_TX_OK;
 	}
-	memcpy_swab32(mem, (u32 *)((int)skb->data & ~3), bytes / 4);
+	memcpy_swab32(mem, (u32 *)((uintptr_t)skb->data & ~3), bytes / 4);
 	dev_kfree_skb(skb);
 #endif
 
diff --git a/drivers/net/wireless/broadcom/b43legacy/main.c b/drivers/net/wireless/broadcom/b43legacy/main.c
index f1e3dad5..f435bd0 100644
--- a/drivers/net/wireless/broadcom/b43legacy/main.c
+++ b/drivers/net/wireless/broadcom/b43legacy/main.c
@@ -1304,8 +1304,9 @@
 }
 
 /* Interrupt handler bottom-half */
-static void b43legacy_interrupt_tasklet(struct b43legacy_wldev *dev)
+static void b43legacy_interrupt_tasklet(unsigned long data)
 {
+	struct b43legacy_wldev *dev = (struct b43legacy_wldev *)data;
 	u32 reason;
 	u32 dma_reason[ARRAY_SIZE(dev->dma_reason)];
 	u32 merged_dma_reason = 0;
@@ -3775,7 +3776,7 @@
 	b43legacy_set_status(wldev, B43legacy_STAT_UNINIT);
 	wldev->bad_frames_preempt = modparam_bad_frames_preempt;
 	tasklet_init(&wldev->isr_tasklet,
-		     (void (*)(unsigned long))b43legacy_interrupt_tasklet,
+		     b43legacy_interrupt_tasklet,
 		     (unsigned long)wldev);
 	if (modparam_pio)
 		wldev->__using_pio = true;
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
index 4c28b04..d198a87 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
@@ -1932,6 +1932,7 @@
 					       BRCMF_SDIO_FT_NORMAL)) {
 				rd->len = 0;
 				brcmu_pkt_buf_free_skb(pkt);
+				continue;
 			}
 			bus->sdcnt.rx_readahead_cnt++;
 			if (rd->len != roundup(rd_new.len, 16)) {
diff --git a/drivers/net/wireless/intel/ipw2x00/ipw2100.c b/drivers/net/wireless/intel/ipw2x00/ipw2100.c
index 19c442c..8fbdd7d 100644
--- a/drivers/net/wireless/intel/ipw2x00/ipw2100.c
+++ b/drivers/net/wireless/intel/ipw2x00/ipw2100.c
@@ -3220,8 +3220,9 @@
 	}
 }
 
-static void ipw2100_irq_tasklet(struct ipw2100_priv *priv)
+static void ipw2100_irq_tasklet(unsigned long data)
 {
+	struct ipw2100_priv *priv = (struct ipw2100_priv *)data;
 	struct net_device *dev = priv->net_dev;
 	unsigned long flags;
 	u32 inta, tmp;
@@ -6027,7 +6028,7 @@
 	spin_unlock_irqrestore(&priv->low_lock, flags);
 }
 
-static void ipw2100_irq_tasklet(struct ipw2100_priv *priv);
+static void ipw2100_irq_tasklet(unsigned long data);
 
 static const struct net_device_ops ipw2100_netdev_ops = {
 	.ndo_open		= ipw2100_open,
@@ -6157,7 +6158,7 @@
 	INIT_DELAYED_WORK(&priv->rf_kill, ipw2100_rf_kill);
 	INIT_DELAYED_WORK(&priv->scan_event, ipw2100_scan_event);
 
-	tasklet_init(&priv->irq_tasklet, (void (*)(unsigned long))
+	tasklet_init(&priv->irq_tasklet,
 		     ipw2100_irq_tasklet, (unsigned long)priv);
 
 	/* NOTE:  We do not start the deferred work for status checks yet */
diff --git a/drivers/net/wireless/intel/ipw2x00/ipw2200.c b/drivers/net/wireless/intel/ipw2x00/ipw2200.c
index 8da8749..2d0734a 100644
--- a/drivers/net/wireless/intel/ipw2x00/ipw2200.c
+++ b/drivers/net/wireless/intel/ipw2x00/ipw2200.c
@@ -1966,8 +1966,9 @@
 	wireless_send_event(priv->net_dev, SIOCGIWAP, &wrqu, NULL);
 }
 
-static void ipw_irq_tasklet(struct ipw_priv *priv)
+static void ipw_irq_tasklet(unsigned long data)
 {
+	struct ipw_priv *priv = (struct ipw_priv *)data;
 	u32 inta, inta_mask, handled = 0;
 	unsigned long flags;
 	int rc = 0;
@@ -10702,7 +10703,7 @@
 	INIT_WORK(&priv->qos_activate, ipw_bg_qos_activate);
 #endif				/* CONFIG_IPW2200_QOS */
 
-	tasklet_init(&priv->irq_tasklet, (void (*)(unsigned long))
+	tasklet_init(&priv->irq_tasklet,
 		     ipw_irq_tasklet, (unsigned long)priv);
 
 	return ret;
diff --git a/drivers/net/wireless/intel/iwlegacy/3945-mac.c b/drivers/net/wireless/intel/iwlegacy/3945-mac.c
index 329f3a6..0fb8115 100644
--- a/drivers/net/wireless/intel/iwlegacy/3945-mac.c
+++ b/drivers/net/wireless/intel/iwlegacy/3945-mac.c
@@ -1399,8 +1399,9 @@
 }
 
 static void
-il3945_irq_tasklet(struct il_priv *il)
+il3945_irq_tasklet(unsigned long data)
 {
+	struct il_priv *il = (struct il_priv *)data;
 	u32 inta, handled = 0;
 	u32 inta_fh;
 	unsigned long flags;
@@ -3432,7 +3433,7 @@
 	setup_timer(&il->watchdog, il_bg_watchdog, (unsigned long)il);
 
 	tasklet_init(&il->irq_tasklet,
-		     (void (*)(unsigned long))il3945_irq_tasklet,
+		     il3945_irq_tasklet,
 		     (unsigned long)il);
 }
 
diff --git a/drivers/net/wireless/intel/iwlegacy/4965-mac.c b/drivers/net/wireless/intel/iwlegacy/4965-mac.c
index de9b652..665e82e 100644
--- a/drivers/net/wireless/intel/iwlegacy/4965-mac.c
+++ b/drivers/net/wireless/intel/iwlegacy/4965-mac.c
@@ -4363,8 +4363,9 @@
 }
 
 static void
-il4965_irq_tasklet(struct il_priv *il)
+il4965_irq_tasklet(unsigned long data)
 {
+	struct il_priv *il = (struct il_priv *)data;
 	u32 inta, handled = 0;
 	u32 inta_fh;
 	unsigned long flags;
@@ -6264,7 +6265,7 @@
 	setup_timer(&il->watchdog, il_bg_watchdog, (unsigned long)il);
 
 	tasklet_init(&il->irq_tasklet,
-		     (void (*)(unsigned long))il4965_irq_tasklet,
+		     il4965_irq_tasklet,
 		     (unsigned long)il);
 }
 
diff --git a/drivers/net/wireless/intel/iwlegacy/common.c b/drivers/net/wireless/intel/iwlegacy/common.c
index 8d5acda..6e6b124 100644
--- a/drivers/net/wireless/intel/iwlegacy/common.c
+++ b/drivers/net/wireless/intel/iwlegacy/common.c
@@ -717,7 +717,7 @@
 	u32 gp = _il_rd(il, CSR_EEPROM_GP);
 	int sz;
 	int ret;
-	u16 addr;
+	int addr;
 
 	/* allocate eeprom */
 	sz = il->cfg->eeprom_size;
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tt.c b/drivers/net/wireless/intel/iwlwifi/mvm/tt.c
index 1232f63..319103f 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/tt.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/tt.c
@@ -739,7 +739,8 @@
 static void iwl_mvm_thermal_zone_register(struct iwl_mvm *mvm)
 {
 	int i;
-	char name[] = "iwlwifi";
+	char name[16];
+	static atomic_t counter = ATOMIC_INIT(0);
 
 	if (!iwl_mvm_is_tt_in_fw(mvm)) {
 		mvm->tz_device.tzone = NULL;
@@ -749,6 +750,7 @@
 
 	BUILD_BUG_ON(ARRAY_SIZE(name) >= THERMAL_NAME_LENGTH);
 
+	sprintf(name, "iwlwifi_%u", atomic_inc_return(&counter) & 0xFF);
 	mvm->tz_device.tzone = thermal_zone_device_register(name,
 							IWL_MAX_DTS_TRIPS,
 							IWL_WRITABLE_TRIPS_MSK,
diff --git a/drivers/net/wireless/intersil/hostap/hostap_ap.c b/drivers/net/wireless/intersil/hostap/hostap_ap.c
index 1a8d8db..486ca1e 100644
--- a/drivers/net/wireless/intersil/hostap/hostap_ap.c
+++ b/drivers/net/wireless/intersil/hostap/hostap_ap.c
@@ -2568,7 +2568,7 @@
 		sta->supported_rates[0] = 2;
 	if (sta->tx_supp_rates & WLAN_RATE_2M)
 		sta->supported_rates[1] = 4;
- 	if (sta->tx_supp_rates & WLAN_RATE_5M5)
+	if (sta->tx_supp_rates & WLAN_RATE_5M5)
 		sta->supported_rates[2] = 11;
 	if (sta->tx_supp_rates & WLAN_RATE_11M)
 		sta->supported_rates[3] = 22;
diff --git a/drivers/net/wireless/intersil/orinoco/orinoco_usb.c b/drivers/net/wireless/intersil/orinoco/orinoco_usb.c
index 95015d7..5a64674 100644
--- a/drivers/net/wireless/intersil/orinoco/orinoco_usb.c
+++ b/drivers/net/wireless/intersil/orinoco/orinoco_usb.c
@@ -1364,7 +1364,8 @@
 	int retval;
 
 	BUG_ON(in_interrupt());
-	BUG_ON(!upriv);
+	if (!upriv)
+		return -EINVAL;
 
 	upriv->reply_count = 0;
 	/* Write the MAGIC number on the simulated registers to keep
diff --git a/drivers/net/wireless/realtek/rtlwifi/pci.c b/drivers/net/wireless/realtek/rtlwifi/pci.c
index 457a0f7..ab74f31 100644
--- a/drivers/net/wireless/realtek/rtlwifi/pci.c
+++ b/drivers/net/wireless/realtek/rtlwifi/pci.c
@@ -1091,13 +1091,15 @@
 	return ret;
 }
 
-static void _rtl_pci_irq_tasklet(struct ieee80211_hw *hw)
+static void _rtl_pci_irq_tasklet(unsigned long data)
 {
+	struct ieee80211_hw *hw = (struct ieee80211_hw *)data;
 	_rtl_pci_tx_chk_waitq(hw);
 }
 
-static void _rtl_pci_prepare_bcn_tasklet(struct ieee80211_hw *hw)
+static void _rtl_pci_prepare_bcn_tasklet(unsigned long data)
 {
+	struct ieee80211_hw *hw = (struct ieee80211_hw *)data;
 	struct rtl_priv *rtlpriv = rtl_priv(hw);
 	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
@@ -1223,10 +1225,10 @@
 
 	/*task */
 	tasklet_init(&rtlpriv->works.irq_tasklet,
-		     (void (*)(unsigned long))_rtl_pci_irq_tasklet,
+		     _rtl_pci_irq_tasklet,
 		     (unsigned long)hw);
 	tasklet_init(&rtlpriv->works.irq_prepare_bcn_tasklet,
-		     (void (*)(unsigned long))_rtl_pci_prepare_bcn_tasklet,
+		     _rtl_pci_prepare_bcn_tasklet,
 		     (unsigned long)hw);
 	INIT_WORK(&rtlpriv->works.lps_change_work,
 		  rtl_lps_change_work_callback);
diff --git a/drivers/nfc/port100.c b/drivers/nfc/port100.c
index 60ae382..06bb226 100644
--- a/drivers/nfc/port100.c
+++ b/drivers/nfc/port100.c
@@ -574,7 +574,7 @@
 {
 	struct port100_frame *frame = _frame;
 
-	frame->datalen = cpu_to_le16(le16_to_cpu(frame->datalen) + len);
+	le16_add_cpu(&frame->datalen, len);
 }
 
 static bool port100_rx_frame_is_valid(void *_frame)
diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c
index 0fd8e16..0dc646c 100644
--- a/drivers/pci/iov.c
+++ b/drivers/pci/iov.c
@@ -179,6 +179,7 @@
 failed2:
 	sysfs_remove_link(&dev->dev.kobj, buf);
 failed1:
+	pci_stop_and_remove_bus_device(virtfn);
 	pci_dev_put(dev);
 	pci_stop_and_remove_bus_device(virtfn);
 failed0:
diff --git a/drivers/pinctrl/intel/pinctrl-baytrail.c b/drivers/pinctrl/intel/pinctrl-baytrail.c
index 9df5d29..4fb3e44 100644
--- a/drivers/pinctrl/intel/pinctrl-baytrail.c
+++ b/drivers/pinctrl/intel/pinctrl-baytrail.c
@@ -958,7 +958,13 @@
 
 	raw_spin_lock_irqsave(&byt_lock, flags);
 	value = readl(reg);
-	value &= ~(BYT_TRIG_POS | BYT_TRIG_NEG | BYT_TRIG_LVL);
+
+	/* Do not clear direct-irq enabled IRQs (from gpio_disable_free) */
+	if (value & BYT_DIRECT_IRQ_EN)
+		/* nothing to do */ ;
+	else
+		value &= ~(BYT_TRIG_POS | BYT_TRIG_NEG | BYT_TRIG_LVL);
+
 	writel(value, reg);
 	raw_spin_unlock_irqrestore(&byt_lock, flags);
 }
diff --git a/drivers/pinctrl/sh-pfc/pfc-sh7264.c b/drivers/pinctrl/sh-pfc/pfc-sh7264.c
index e1c34e1..3ddb956 100644
--- a/drivers/pinctrl/sh-pfc/pfc-sh7264.c
+++ b/drivers/pinctrl/sh-pfc/pfc-sh7264.c
@@ -500,17 +500,15 @@
 	SD_WP_MARK, SD_CLK_MARK, SD_CMD_MARK,
 	CRX0_MARK, CRX1_MARK,
 	CTX0_MARK, CTX1_MARK,
+	CRX0_CRX1_MARK, CTX0_CTX1_MARK,
 
 	PWM1A_MARK, PWM1B_MARK, PWM1C_MARK, PWM1D_MARK,
 	PWM1E_MARK, PWM1F_MARK, PWM1G_MARK, PWM1H_MARK,
 	PWM2A_MARK, PWM2B_MARK, PWM2C_MARK, PWM2D_MARK,
 	PWM2E_MARK, PWM2F_MARK, PWM2G_MARK, PWM2H_MARK,
 	IERXD_MARK, IETXD_MARK,
-	CRX0_CRX1_MARK,
 	WDTOVF_MARK,
 
-	CRX0X1_MARK,
-
 	/* DMAC */
 	TEND0_MARK, DACK0_MARK, DREQ0_MARK,
 	TEND1_MARK, DACK1_MARK, DREQ1_MARK,
@@ -998,12 +996,12 @@
 
 	PINMUX_DATA(PJ3_DATA, PJ3MD_00),
 	PINMUX_DATA(CRX1_MARK, PJ3MD_01),
-	PINMUX_DATA(CRX0X1_MARK, PJ3MD_10),
+	PINMUX_DATA(CRX0_CRX1_MARK, PJ3MD_10),
 	PINMUX_DATA(IRQ1_PJ_MARK, PJ3MD_11),
 
 	PINMUX_DATA(PJ2_DATA, PJ2MD_000),
 	PINMUX_DATA(CTX1_MARK, PJ2MD_001),
-	PINMUX_DATA(CRX0_CRX1_MARK, PJ2MD_010),
+	PINMUX_DATA(CTX0_CTX1_MARK, PJ2MD_010),
 	PINMUX_DATA(CS2_MARK, PJ2MD_011),
 	PINMUX_DATA(SCK0_MARK, PJ2MD_100),
 	PINMUX_DATA(LCD_M_DISP_MARK, PJ2MD_101),
@@ -1248,6 +1246,7 @@
 	GPIO_FN(CTX1),
 	GPIO_FN(CRX1),
 	GPIO_FN(CTX0),
+	GPIO_FN(CTX0_CTX1),
 	GPIO_FN(CRX0),
 	GPIO_FN(CRX0_CRX1),
 
diff --git a/drivers/pinctrl/sh-pfc/pfc-sh7269.c b/drivers/pinctrl/sh-pfc/pfc-sh7269.c
index cfdb4fc..3df0c0d 100644
--- a/drivers/pinctrl/sh-pfc/pfc-sh7269.c
+++ b/drivers/pinctrl/sh-pfc/pfc-sh7269.c
@@ -740,13 +740,12 @@
 	CRX0_MARK, CTX0_MARK,
 	CRX1_MARK, CTX1_MARK,
 	CRX2_MARK, CTX2_MARK,
-	CRX0_CRX1_MARK,
-	CRX0_CRX1_CRX2_MARK,
-	CTX0CTX1CTX2_MARK,
+	CRX0_CRX1_MARK, CTX0_CTX1_MARK,
+	CRX0_CRX1_CRX2_MARK, CTX0_CTX1_CTX2_MARK,
 	CRX1_PJ22_MARK, CTX1_PJ23_MARK,
 	CRX2_PJ20_MARK, CTX2_PJ21_MARK,
-	CRX0CRX1_PJ22_MARK,
-	CRX0CRX1CRX2_PJ20_MARK,
+	CRX0_CRX1_PJ22_MARK, CTX0_CTX1_PJ23_MARK,
+	CRX0_CRX1_CRX2_PJ20_MARK, CTX0_CTX1_CTX2_PJ21_MARK,
 
 	/* VDC */
 	DV_CLK_MARK,
@@ -824,6 +823,7 @@
 	PINMUX_DATA(CS3_MARK, PC8MD_001),
 	PINMUX_DATA(TXD7_MARK, PC8MD_010),
 	PINMUX_DATA(CTX1_MARK, PC8MD_011),
+	PINMUX_DATA(CTX0_CTX1_MARK, PC8MD_100),
 
 	PINMUX_DATA(PC7_DATA, PC7MD_000),
 	PINMUX_DATA(CKE_MARK, PC7MD_001),
@@ -836,11 +836,12 @@
 	PINMUX_DATA(CAS_MARK, PC6MD_001),
 	PINMUX_DATA(SCK7_MARK, PC6MD_010),
 	PINMUX_DATA(CTX0_MARK, PC6MD_011),
+	PINMUX_DATA(CTX0_CTX1_CTX2_MARK, PC6MD_100),
 
 	PINMUX_DATA(PC5_DATA, PC5MD_000),
 	PINMUX_DATA(RAS_MARK, PC5MD_001),
 	PINMUX_DATA(CRX0_MARK, PC5MD_011),
-	PINMUX_DATA(CTX0CTX1CTX2_MARK, PC5MD_100),
+	PINMUX_DATA(CTX0_CTX1_CTX2_MARK, PC5MD_100),
 	PINMUX_DATA(IRQ0_PC_MARK, PC5MD_101),
 
 	PINMUX_DATA(PC4_DATA, PC4MD_00),
@@ -1292,30 +1293,32 @@
 	PINMUX_DATA(LCD_DATA23_PJ23_MARK, PJ23MD_010),
 	PINMUX_DATA(LCD_TCON6_MARK, PJ23MD_011),
 	PINMUX_DATA(IRQ3_PJ_MARK, PJ23MD_100),
-	PINMUX_DATA(CTX1_MARK, PJ23MD_101),
+	PINMUX_DATA(CTX1_PJ23_MARK, PJ23MD_101),
+	PINMUX_DATA(CTX0_CTX1_PJ23_MARK, PJ23MD_110),
 
 	PINMUX_DATA(PJ22_DATA, PJ22MD_000),
 	PINMUX_DATA(DV_DATA22_MARK, PJ22MD_001),
 	PINMUX_DATA(LCD_DATA22_PJ22_MARK, PJ22MD_010),
 	PINMUX_DATA(LCD_TCON5_MARK, PJ22MD_011),
 	PINMUX_DATA(IRQ2_PJ_MARK, PJ22MD_100),
-	PINMUX_DATA(CRX1_MARK, PJ22MD_101),
-	PINMUX_DATA(CRX0_CRX1_MARK, PJ22MD_110),
+	PINMUX_DATA(CRX1_PJ22_MARK, PJ22MD_101),
+	PINMUX_DATA(CRX0_CRX1_PJ22_MARK, PJ22MD_110),
 
 	PINMUX_DATA(PJ21_DATA, PJ21MD_000),
 	PINMUX_DATA(DV_DATA21_MARK, PJ21MD_001),
 	PINMUX_DATA(LCD_DATA21_PJ21_MARK, PJ21MD_010),
 	PINMUX_DATA(LCD_TCON4_MARK, PJ21MD_011),
 	PINMUX_DATA(IRQ1_PJ_MARK, PJ21MD_100),
-	PINMUX_DATA(CTX2_MARK, PJ21MD_101),
+	PINMUX_DATA(CTX2_PJ21_MARK, PJ21MD_101),
+	PINMUX_DATA(CTX0_CTX1_CTX2_PJ21_MARK, PJ21MD_110),
 
 	PINMUX_DATA(PJ20_DATA, PJ20MD_000),
 	PINMUX_DATA(DV_DATA20_MARK, PJ20MD_001),
 	PINMUX_DATA(LCD_DATA20_PJ20_MARK, PJ20MD_010),
 	PINMUX_DATA(LCD_TCON3_MARK, PJ20MD_011),
 	PINMUX_DATA(IRQ0_PJ_MARK, PJ20MD_100),
-	PINMUX_DATA(CRX2_MARK, PJ20MD_101),
-	PINMUX_DATA(CRX0CRX1CRX2_PJ20_MARK, PJ20MD_110),
+	PINMUX_DATA(CRX2_PJ20_MARK, PJ20MD_101),
+	PINMUX_DATA(CRX0_CRX1_CRX2_PJ20_MARK, PJ20MD_110),
 
 	PINMUX_DATA(PJ19_DATA, PJ19MD_000),
 	PINMUX_DATA(DV_DATA19_MARK, PJ19MD_001),
@@ -1666,12 +1669,24 @@
 	GPIO_FN(WDTOVF),
 
 	/* CAN */
+	GPIO_FN(CTX2),
+	GPIO_FN(CRX2),
 	GPIO_FN(CTX1),
 	GPIO_FN(CRX1),
 	GPIO_FN(CTX0),
 	GPIO_FN(CRX0),
+	GPIO_FN(CTX0_CTX1),
 	GPIO_FN(CRX0_CRX1),
+	GPIO_FN(CTX0_CTX1_CTX2),
 	GPIO_FN(CRX0_CRX1_CRX2),
+	GPIO_FN(CTX2_PJ21),
+	GPIO_FN(CRX2_PJ20),
+	GPIO_FN(CTX1_PJ23),
+	GPIO_FN(CRX1_PJ22),
+	GPIO_FN(CTX0_CTX1_PJ23),
+	GPIO_FN(CRX0_CRX1_PJ22),
+	GPIO_FN(CTX0_CTX1_CTX2_PJ21),
+	GPIO_FN(CRX0_CRX1_CRX2_PJ20),
 
 	/* DMAC */
 	GPIO_FN(TEND0),
diff --git a/drivers/pwm/pwm-omap-dmtimer.c b/drivers/pwm/pwm-omap-dmtimer.c
index 5ad42f3..2e15acf 100644
--- a/drivers/pwm/pwm-omap-dmtimer.c
+++ b/drivers/pwm/pwm-omap-dmtimer.c
@@ -337,6 +337,11 @@
 static int pwm_omap_dmtimer_remove(struct platform_device *pdev)
 {
 	struct pwm_omap_dmtimer_chip *omap = platform_get_drvdata(pdev);
+	int ret;
+
+	ret = pwmchip_remove(&omap->chip);
+	if (ret)
+		return ret;
 
 	if (pm_runtime_active(&omap->dm_timer_pdev->dev))
 		omap->pdata->stop(omap->dm_timer);
@@ -345,7 +350,7 @@
 
 	mutex_destroy(&omap->mutex);
 
-	return pwmchip_remove(&omap->chip);
+	return 0;
 }
 
 static const struct of_device_id pwm_omap_dmtimer_of_match[] = {
diff --git a/drivers/pwm/pwm-pca9685.c b/drivers/pwm/pwm-pca9685.c
index 567f5e2..e1e5dfc 100644
--- a/drivers/pwm/pwm-pca9685.c
+++ b/drivers/pwm/pwm-pca9685.c
@@ -170,13 +170,9 @@
 static void pca9685_pwm_gpio_free(struct gpio_chip *gpio, unsigned int offset)
 {
 	struct pca9685 *pca = gpiochip_get_data(gpio);
-	struct pwm_device *pwm;
 
 	pca9685_pwm_gpio_set(gpio, offset, 0);
 	pm_runtime_put(pca->chip.dev);
-	mutex_lock(&pca->lock);
-	pwm = &pca->chip.pwms[offset];
-	mutex_unlock(&pca->lock);
 }
 
 static int pca9685_pwm_gpio_get_direction(struct gpio_chip *chip,
diff --git a/drivers/regulator/rk808-regulator.c b/drivers/regulator/rk808-regulator.c
index 213b687..92498ac 100644
--- a/drivers/regulator/rk808-regulator.c
+++ b/drivers/regulator/rk808-regulator.c
@@ -714,7 +714,7 @@
 		}
 
 		if (!pdata->dvs_gpio[i]) {
-			dev_warn(dev, "there is no dvs%d gpio\n", i);
+			dev_info(dev, "there is no dvs%d gpio\n", i);
 			continue;
 		}
 
diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
index eab14b4..cc733b8 100644
--- a/drivers/remoteproc/remoteproc_core.c
+++ b/drivers/remoteproc/remoteproc_core.c
@@ -1620,7 +1620,7 @@
 
 	return 0;
 }
-module_init(remoteproc_init);
+subsys_initcall(remoteproc_init);
 
 static void __exit remoteproc_exit(void)
 {
diff --git a/drivers/scsi/aic7xxx/aic7xxx_core.c b/drivers/scsi/aic7xxx/aic7xxx_core.c
index 3818461..fdbb0a3 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_core.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_core.c
@@ -2321,7 +2321,7 @@
 			 * At some speeds, we only support
 			 * ST transfers.
 			 */
-		 	if ((syncrate->sxfr_u2 & ST_SXFR) != 0)
+			if ((syncrate->sxfr_u2 & ST_SXFR) != 0)
 				*ppr_options &= ~MSG_EXT_PPR_DT_REQ;
 			break;
 		}
diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index 7e3a77d..e3ca160 100644
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -890,6 +890,10 @@
 static void iscsi_sw_tcp_session_destroy(struct iscsi_cls_session *cls_session)
 {
 	struct Scsi_Host *shost = iscsi_session_to_shost(cls_session);
+	struct iscsi_session *session = cls_session->dd_data;
+
+	if (WARN_ON_ONCE(session->leadconn))
+		return;
 
 	iscsi_tcp_r2tpool_free(cls_session->dd_data);
 	iscsi_session_teardown(cls_session);
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 5f9d4db..d402401 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -3178,6 +3178,10 @@
 	    base_vha->mgmt_svr_loop_id, host->sg_tablesize);
 
 	ha->wq = alloc_workqueue("qla2xxx_wq", WQ_MEM_RECLAIM, 0);
+	if (unlikely(!ha->wq)) {
+		ret = -ENOMEM;
+		goto probe_failed;
+	}
 
 	if (ha->mqenable) {
 		bool mq = false;
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index 95d71e3..aecb563 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -2945,6 +2945,24 @@
 	return err;
 }
 
+static int iscsi_session_has_conns(int sid)
+{
+	struct iscsi_cls_conn *conn;
+	unsigned long flags;
+	int found = 0;
+
+	spin_lock_irqsave(&connlock, flags);
+	list_for_each_entry(conn, &connlist, conn_list) {
+		if (iscsi_conn_get_sid(conn) == sid) {
+			found = 1;
+			break;
+		}
+	}
+	spin_unlock_irqrestore(&connlock, flags);
+
+	return found;
+}
+
 static int
 iscsi_set_iface_params(struct iscsi_transport *transport,
 		       struct iscsi_uevent *ev, uint32_t len)
@@ -3522,10 +3540,12 @@
 		break;
 	case ISCSI_UEVENT_DESTROY_SESSION:
 		session = iscsi_session_lookup(ev->u.d_session.sid);
-		if (session)
-			transport->destroy_session(session);
-		else
+		if (!session)
 			err = -EINVAL;
+		else if (iscsi_session_has_conns(ev->u.d_session.sid))
+			err = -EBUSY;
+		else
+			transport->destroy_session(session);
 		break;
 	case ISCSI_UEVENT_UNBIND_SESSION:
 		session = iscsi_session_lookup(ev->u.d_session.sid);
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index ce40de3..c350453 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -4580,7 +4580,7 @@
 		break;
 	} /* end of switch */
 
-	if (host_byte(result) != DID_OK)
+	if ((host_byte(result) != DID_OK) && !hba->silence_err_logs)
 		ufshcd_print_trs(hba, 1 << lrbp->task_tag, true);
 	return result;
 }
@@ -5109,8 +5109,8 @@
 
 	/*
 	 * if host reset is required then skip clearing the pending
-	 * transfers forcefully because they will automatically get
-	 * cleared after link startup.
+	 * transfers forcefully because they will get cleared during
+	 * host reset and restore
 	 */
 	if (needs_reset)
 		goto skip_pending_xfer_clear;
@@ -5749,9 +5749,15 @@
 	int err;
 	unsigned long flags;
 
-	/* Reset the host controller */
+	/*
+	 * Stop the host controller and complete the requests
+	 * cleared by h/w
+	 */
 	spin_lock_irqsave(hba->host->host_lock, flags);
 	ufshcd_hba_stop(hba, false);
+	hba->silence_err_logs = true;
+	ufshcd_complete_requests(hba);
+	hba->silence_err_logs = false;
 	spin_unlock_irqrestore(hba->host->host_lock, flags);
 
 	/* scale up clocks to max frequency before full reinitialization */
@@ -5785,22 +5791,12 @@
 static int ufshcd_reset_and_restore(struct ufs_hba *hba)
 {
 	int err = 0;
-	unsigned long flags;
 	int retries = MAX_HOST_RESET_RETRIES;
 
 	do {
 		err = ufshcd_host_reset_and_restore(hba);
 	} while (err && --retries);
 
-	/*
-	 * After reset the door-bell might be cleared, complete
-	 * outstanding requests in s/w here.
-	 */
-	spin_lock_irqsave(hba->host->host_lock, flags);
-	ufshcd_transfer_req_compl(hba);
-	ufshcd_tmc_handler(hba);
-	spin_unlock_irqrestore(hba->host->host_lock, flags);
-
 	return err;
 }
 
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h
index cdc8bd0..4aac4d8 100644
--- a/drivers/scsi/ufs/ufshcd.h
+++ b/drivers/scsi/ufs/ufshcd.h
@@ -485,6 +485,7 @@
  * @uic_error: UFS interconnect layer error status
  * @saved_err: sticky error mask
  * @saved_uic_err: sticky UIC error mask
+ * @silence_err_logs: flag to silence error logs
  * @dev_cmd: ufs device management command information
  * @last_dme_cmd_tstamp: time stamp of the last completed DME command
  * @auto_bkops_enabled: to track whether bkops is enabled in device
@@ -621,6 +622,7 @@
 	u32 saved_err;
 	u32 saved_uic_err;
 	struct ufs_stats ufs_stats;
+	bool silence_err_logs;
 
 	/* Device management request data */
 	struct ufs_dev_cmd dev_cmd;
diff --git a/drivers/soc/tegra/fuse/tegra-apbmisc.c b/drivers/soc/tegra/fuse/tegra-apbmisc.c
index 5b18f6f..cd61c88 100644
--- a/drivers/soc/tegra/fuse/tegra-apbmisc.c
+++ b/drivers/soc/tegra/fuse/tegra-apbmisc.c
@@ -134,7 +134,7 @@
 			apbmisc.flags = IORESOURCE_MEM;
 
 			/* strapping options */
-			if (tegra_get_chip_id() == TEGRA124) {
+			if (of_machine_is_compatible("nvidia,tegra124")) {
 				straps.start = 0x7000e864;
 				straps.end = 0x7000e867;
 			} else {
diff --git a/drivers/staging/android/ashmem.c b/drivers/staging/android/ashmem.c
index 555b5a8..7b1c384 100644
--- a/drivers/staging/android/ashmem.c
+++ b/drivers/staging/android/ashmem.c
@@ -361,8 +361,23 @@
 	       _calc_vm_trans(prot, PROT_EXEC,  VM_MAYEXEC);
 }
 
+static int ashmem_vmfile_mmap(struct file *file, struct vm_area_struct *vma)
+{
+	/* do not allow to mmap ashmem backing shmem file directly */
+	return -EPERM;
+}
+
+static unsigned long
+ashmem_vmfile_get_unmapped_area(struct file *file, unsigned long addr,
+				unsigned long len, unsigned long pgoff,
+				unsigned long flags)
+{
+	return current->mm->get_unmapped_area(file, addr, len, pgoff, flags);
+}
+
 static int ashmem_mmap(struct file *file, struct vm_area_struct *vma)
 {
+	static struct file_operations vmfile_fops;
 	struct ashmem_area *asma = file->private_data;
 	int ret = 0;
 
@@ -403,6 +418,19 @@
 		}
 		vmfile->f_mode |= FMODE_LSEEK;
 		asma->file = vmfile;
+		/*
+		 * override mmap operation of the vmfile so that it can't be
+		 * remapped which would lead to creation of a new vma with no
+		 * asma permission checks. Have to override get_unmapped_area
+		 * as well to prevent VM_BUG_ON check for f_ops modification.
+		 */
+		if (!vmfile_fops.mmap) {
+			vmfile_fops = *vmfile->f_op;
+			vmfile_fops.mmap = ashmem_vmfile_mmap;
+			vmfile_fops.get_unmapped_area =
+					ashmem_vmfile_get_unmapped_area;
+		}
+		vmfile->f_op = &vmfile_fops;
 	}
 	get_file(asma->file);
 
diff --git a/drivers/staging/greybus/audio_manager.c b/drivers/staging/greybus/audio_manager.c
index aa6508b..ed7c325 100644
--- a/drivers/staging/greybus/audio_manager.c
+++ b/drivers/staging/greybus/audio_manager.c
@@ -90,8 +90,8 @@
 
 	list_for_each_entry_safe(module, next, &modules_list, list) {
 		list_del(&module->list);
-		kobject_put(&module->kobj);
 		ida_simple_remove(&module_id, module->id);
+		kobject_put(&module->kobj);
 	}
 
 	is_empty = list_empty(&modules_list);
diff --git a/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c b/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c
index 44631077..184fc05 100644
--- a/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c
+++ b/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c
@@ -2051,7 +2051,7 @@
 	struct ieee_param *param;
 	uint ret = 0;
 
-	if (p->length < sizeof(struct ieee_param) || !p->pointer) {
+	if (!p->pointer || p->length != sizeof(struct ieee_param)) {
 		ret = -EINVAL;
 		goto out;
 	}
@@ -2856,7 +2856,7 @@
 		goto out;
 	}
 
-	if (!p->pointer) {
+	if (!p->pointer || p->length != sizeof(struct ieee_param)) {
 		ret = -EINVAL;
 		goto out;
 	}
diff --git a/drivers/staging/rtl8723bs/hal/rtl8723bs_xmit.c b/drivers/staging/rtl8723bs/hal/rtl8723bs_xmit.c
index d0b3170..f92f907 100644
--- a/drivers/staging/rtl8723bs/hal/rtl8723bs_xmit.c
+++ b/drivers/staging/rtl8723bs/hal/rtl8723bs_xmit.c
@@ -486,14 +486,13 @@
 	s32 ret;
 	struct adapter *padapter;
 	struct xmit_priv *pxmitpriv;
-	u8 thread_name[20] = "RTWHALXT";
-
+	u8 thread_name[20];
 
 	ret = _SUCCESS;
 	padapter = context;
 	pxmitpriv = &padapter->xmitpriv;
 
-	rtw_sprintf(thread_name, 20, "%s-"ADPT_FMT, thread_name, ADPT_ARG(padapter));
+	rtw_sprintf(thread_name, 20, "RTWHALXT-" ADPT_FMT, ADPT_ARG(padapter));
 	thread_enter(thread_name);
 
 	DBG_871X("start "FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(padapter));
diff --git a/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c b/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c
index 1b61da6..d51f6c4 100644
--- a/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c
+++ b/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c
@@ -3495,7 +3495,7 @@
 
 	/* down(&ieee->wx_sem); */
 
-	if (p->length < sizeof(struct ieee_param) || !p->pointer) {
+	if (!p->pointer || p->length != sizeof(struct ieee_param)) {
 		ret = -EINVAL;
 		goto out;
 	}
@@ -4340,7 +4340,7 @@
 
 
 	/* if (p->length < sizeof(struct ieee_param) || !p->pointer) { */
-	if (!p->pointer) {
+	if (!p->pointer || p->length != sizeof(*param)) {
 		ret = -EINVAL;
 		goto out;
 	}
diff --git a/drivers/staging/vt6656/dpc.c b/drivers/staging/vt6656/dpc.c
index 655f000..7b73fa2 100644
--- a/drivers/staging/vt6656/dpc.c
+++ b/drivers/staging/vt6656/dpc.c
@@ -140,7 +140,7 @@
 
 	vnt_rf_rssi_to_dbm(priv, *rssi, &rx_dbm);
 
-	priv->bb_pre_ed_rssi = (u8)rx_dbm + 1;
+	priv->bb_pre_ed_rssi = (u8)-rx_dbm + 1;
 	priv->current_rssi = priv->bb_pre_ed_rssi;
 
 	frame = skb_data + 8;
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 37d64ac..fb7bd422 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -1158,9 +1158,7 @@
 		hdr->cmdsn, be32_to_cpu(hdr->data_length), payload_length,
 		conn->cid);
 
-	if (target_get_sess_cmd(&cmd->se_cmd, true) < 0)
-		return iscsit_add_reject_cmd(cmd,
-				ISCSI_REASON_WAITING_FOR_LOGOUT, buf);
+	target_get_sess_cmd(&cmd->se_cmd, true);
 
 	cmd->sense_reason = transport_lookup_cmd_lun(&cmd->se_cmd,
 						     scsilun_to_int(&hdr->lun));
@@ -2006,9 +2004,7 @@
 			      conn->sess->se_sess, 0, DMA_NONE,
 			      TCM_SIMPLE_TAG, cmd->sense_buffer + 2);
 
-	if (target_get_sess_cmd(&cmd->se_cmd, true) < 0)
-		return iscsit_add_reject_cmd(cmd,
-				ISCSI_REASON_WAITING_FOR_LOGOUT, buf);
+	target_get_sess_cmd(&cmd->se_cmd, true);
 
 	/*
 	 * TASK_REASSIGN for ERL=2 / connection stays inside of
@@ -4155,6 +4151,9 @@
 	iscsit_stop_nopin_response_timer(conn);
 	iscsit_stop_nopin_timer(conn);
 
+	if (conn->conn_transport->iscsit_wait_conn)
+		conn->conn_transport->iscsit_wait_conn(conn);
+
 	/*
 	 * During Connection recovery drop unacknowledged out of order
 	 * commands for this connection, and prepare the other commands
@@ -4237,11 +4236,6 @@
 	 * must wait until they have completed.
 	 */
 	iscsit_check_conn_usage_count(conn);
-	target_sess_cmd_list_set_waiting(sess->se_sess);
-	target_wait_for_sess_cmds(sess->se_sess);
-
-	if (conn->conn_transport->iscsit_wait_conn)
-		conn->conn_transport->iscsit_wait_conn(conn);
 
 	ahash_request_free(conn->conn_tx_hash);
 	if (conn->conn_rx_hash) {
diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c
index fe2384b..9cfc65c 100644
--- a/drivers/thunderbolt/switch.c
+++ b/drivers/thunderbolt/switch.c
@@ -240,6 +240,12 @@
 	return dma_port_flash_read(sw->dma_port, offset, val, bytes);
 }
 
+static int tb_switch_nvm_no_read(void *priv, unsigned int offset, void *val,
+				 size_t bytes)
+{
+	return -EPERM;
+}
+
 static int tb_switch_nvm_write(void *priv, unsigned int offset, void *val,
 			       size_t bytes)
 {
@@ -285,6 +291,7 @@
 		config.read_only = true;
 	} else {
 		config.name = "nvm_non_active";
+		config.reg_read = tb_switch_nvm_no_read;
 		config.reg_write = tb_switch_nvm_write;
 		config.root_only = true;
 	}
diff --git a/drivers/tty/serdev/serdev-ttyport.c b/drivers/tty/serdev/serdev-ttyport.c
index 69fc6d9..88cf520 100644
--- a/drivers/tty/serdev/serdev-ttyport.c
+++ b/drivers/tty/serdev/serdev-ttyport.c
@@ -238,7 +238,6 @@
 					struct device *parent,
 					struct tty_driver *drv, int idx)
 {
-	const struct tty_port_client_operations *old_ops;
 	struct serdev_controller *ctrl;
 	struct serport *serport;
 	int ret;
@@ -257,7 +256,6 @@
 
 	ctrl->ops = &ctrl_ops;
 
-	old_ops = port->client_ops;
 	port->client_ops = &client_ops;
 	port->client_data = ctrl;
 
@@ -270,7 +268,7 @@
 
 err_reset_data:
 	port->client_data = NULL;
-	port->client_ops = old_ops;
+	port->client_ops = &tty_port_default_client_ops;
 	serdev_controller_put(ctrl);
 
 	return ERR_PTR(ret);
@@ -285,8 +283,8 @@
 		return -ENODEV;
 
 	serdev_controller_remove(ctrl);
-	port->client_ops = NULL;
 	port->client_data = NULL;
+	port->client_ops = &tty_port_default_client_ops;
 	serdev_controller_put(ctrl);
 
 	return 0;
diff --git a/drivers/tty/serial/8250/8250_aspeed_vuart.c b/drivers/tty/serial/8250/8250_aspeed_vuart.c
index 33a8013..0a89df3 100644
--- a/drivers/tty/serial/8250/8250_aspeed_vuart.c
+++ b/drivers/tty/serial/8250/8250_aspeed_vuart.c
@@ -256,7 +256,6 @@
 		port.port.line = rc;
 
 	port.port.irq = irq_of_parse_and_map(np, 0);
-	port.port.irqflags = IRQF_SHARED;
 	port.port.iotype = UPIO_MEM;
 	port.port.type = PORT_16550A;
 	port.port.uartclk = clk;
diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c
index c698eba..5017a0f 100644
--- a/drivers/tty/serial/8250/8250_core.c
+++ b/drivers/tty/serial/8250/8250_core.c
@@ -181,7 +181,7 @@
 	struct hlist_head *h;
 	struct hlist_node *n;
 	struct irq_info *i;
-	int ret, irq_flags = up->port.flags & UPF_SHARE_IRQ ? IRQF_SHARED : 0;
+	int ret;
 
 	mutex_lock(&hash_mutex);
 
@@ -216,9 +216,8 @@
 		INIT_LIST_HEAD(&up->list);
 		i->head = &up->list;
 		spin_unlock_irq(&i->lock);
-		irq_flags |= up->port.irqflags;
 		ret = request_irq(up->port.irq, serial8250_interrupt,
-				  irq_flags, up->port.name, i);
+				  up->port.irqflags, up->port.name, i);
 		if (ret < 0)
 			serial_do_unlink(i, up);
 	}
diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c
index a73d2bc..90a93c0 100644
--- a/drivers/tty/serial/8250/8250_port.c
+++ b/drivers/tty/serial/8250/8250_port.c
@@ -2258,6 +2258,10 @@
 		}
 	}
 
+	/* Check if we need to have shared IRQs */
+	if (port->irq && (up->port.flags & UPF_SHARE_IRQ))
+		up->port.irqflags |= IRQF_SHARED;
+
 	if (port->irq && !(up->port.flags & UPF_NO_THRE_TEST)) {
 		unsigned char iir1;
 		/*
diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index 367ce81..a00227d 100644
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -498,7 +498,8 @@
 	atmel_uart_writel(port, ATMEL_US_IDR, atmel_port->tx_done_mask);
 
 	if (atmel_uart_is_half_duplex(port))
-		atmel_start_rx(port);
+		if (!atomic_read(&atmel_port->tasklet_shutdown))
+			atmel_start_rx(port);
 
 }
 
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index a81a5be..630065b5 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -80,7 +80,7 @@
 #define UCR1_IDEN	(1<<12) /* Idle condition interrupt */
 #define UCR1_ICD_REG(x) (((x) & 3) << 10) /* idle condition detect */
 #define UCR1_RRDYEN	(1<<9)	/* Recv ready interrupt enable */
-#define UCR1_RDMAEN	(1<<8)	/* Recv ready DMA enable */
+#define UCR1_RXDMAEN	(1<<8)	/* Recv ready DMA enable */
 #define UCR1_IREN	(1<<7)	/* Infrared interface enable */
 #define UCR1_TXMPTYEN	(1<<6)	/* Transimitter empty interrupt enable */
 #define UCR1_RTSDEN	(1<<5)	/* RTS delta interrupt enable */
@@ -355,6 +355,30 @@
 /*
  * interrupts disabled on entry
  */
+static void imx_start_rx(struct uart_port *port)
+{
+	struct imx_port *sport = (struct imx_port *)port;
+	unsigned int ucr1, ucr2;
+
+	ucr1 = readl(port->membase + UCR1);
+	ucr2 = readl(port->membase + UCR2);
+
+	ucr2 |= UCR2_RXEN;
+
+	if (sport->dma_is_enabled) {
+		ucr1 |= UCR1_RXDMAEN | UCR1_ATDMAEN;
+	} else {
+		ucr1 |= UCR1_RRDYEN;
+	}
+
+	/* Write UCR2 first as it includes RXEN */
+	writel(ucr2, port->membase + UCR2);
+	writel(ucr1, port->membase + UCR1);
+}
+
+/*
+ * interrupts disabled on entry
+ */
 static void imx_stop_tx(struct uart_port *port)
 {
 	struct imx_port *sport = (struct imx_port *)port;
@@ -378,9 +402,10 @@
 			imx_port_rts_active(sport, &temp);
 		else
 			imx_port_rts_inactive(sport, &temp);
-		temp |= UCR2_RXEN;
 		writel(temp, port->membase + UCR2);
 
+		imx_start_rx(port);
+
 		temp = readl(port->membase + UCR4);
 		temp &= ~UCR4_TCEN;
 		writel(temp, port->membase + UCR4);
@@ -393,7 +418,7 @@
 static void imx_stop_rx(struct uart_port *port)
 {
 	struct imx_port *sport = (struct imx_port *)port;
-	unsigned long temp;
+	unsigned long ucr1, ucr2;
 
 	if (sport->dma_is_enabled && sport->dma_is_rxing) {
 		if (sport->port.suspended) {
@@ -404,12 +429,18 @@
 		}
 	}
 
-	temp = readl(sport->port.membase + UCR2);
-	writel(temp & ~UCR2_RXEN, sport->port.membase + UCR2);
+	ucr1 = readl(sport->port.membase + UCR1);
+	ucr2 = readl(sport->port.membase + UCR2);
 
-	/* disable the `Receiver Ready Interrrupt` */
-	temp = readl(sport->port.membase + UCR1);
-	writel(temp & ~UCR1_RRDYEN, sport->port.membase + UCR1);
+	if (sport->dma_is_enabled) {
+		ucr1 &= ~(UCR1_RXDMAEN | UCR1_ATDMAEN);
+	} else {
+		ucr1 &= ~UCR1_RRDYEN;
+	}
+	writel(ucr1, port->membase + UCR1);
+
+	ucr2 &= ~UCR2_RXEN;
+	writel(ucr2, port->membase + UCR2);
 }
 
 /*
@@ -526,7 +557,7 @@
 
 	sport->tx_bytes = uart_circ_chars_pending(xmit);
 
-	if (xmit->tail < xmit->head) {
+	if (xmit->tail < xmit->head || xmit->head == 0) {
 		sport->dma_tx_nents = 1;
 		sg_init_one(sgl, xmit->buf + xmit->tail, sport->tx_bytes);
 	} else {
@@ -581,10 +612,11 @@
 			imx_port_rts_active(sport, &temp);
 		else
 			imx_port_rts_inactive(sport, &temp);
-		if (!(port->rs485.flags & SER_RS485_RX_DURING_TX))
-			temp &= ~UCR2_RXEN;
 		writel(temp, port->membase + UCR2);
 
+		if (!(port->rs485.flags & SER_RS485_RX_DURING_TX))
+			imx_stop_rx(port);
+
 		/* enable transmitter and shifter empty irq */
 		temp = readl(port->membase + UCR4);
 		temp |= UCR4_TCEN;
@@ -811,14 +843,42 @@
 static irqreturn_t imx_int(int irq, void *dev_id)
 {
 	struct imx_port *sport = dev_id;
-	unsigned int sts;
-	unsigned int sts2;
+	unsigned int usr1, usr2, ucr1, ucr2, ucr3, ucr4;
 	irqreturn_t ret = IRQ_NONE;
 
-	sts = readl(sport->port.membase + USR1);
-	sts2 = readl(sport->port.membase + USR2);
+	usr1 = readl(sport->port.membase + USR1);
+	usr2 = readl(sport->port.membase + USR2);
+	ucr1 = readl(sport->port.membase + UCR1);
+	ucr2 = readl(sport->port.membase + UCR2);
+	ucr3 = readl(sport->port.membase + UCR3);
+	ucr4 = readl(sport->port.membase + UCR4);
 
-	if (sts & (USR1_RRDY | USR1_AGTIM)) {
+	/*
+	 * Even if a condition is true that can trigger an irq only handle it if
+	 * the respective irq source is enabled. This prevents some undesired
+	 * actions, for example if a character that sits in the RX FIFO and that
+	 * should be fetched via DMA is tried to be fetched using PIO. Or the
+	 * receiver is currently off and so reading from URXD0 results in an
+	 * exception. So just mask the (raw) status bits for disabled irqs.
+	 */
+	if ((ucr1 & UCR1_RRDYEN) == 0)
+		usr1 &= ~USR1_RRDY;
+	if ((ucr2 & UCR2_ATEN) == 0)
+		usr1 &= ~USR1_AGTIM;
+	if ((ucr1 & UCR1_TXMPTYEN) == 0)
+		usr1 &= ~USR1_TRDY;
+	if ((ucr4 & UCR4_TCEN) == 0)
+		usr2 &= ~USR2_TXDC;
+	if ((ucr3 & UCR3_DTRDEN) == 0)
+		usr1 &= ~USR1_DTRD;
+	if ((ucr1 & UCR1_RTSDEN) == 0)
+		usr1 &= ~USR1_RTSD;
+	if ((ucr3 & UCR3_AWAKEN) == 0)
+		usr1 &= ~USR1_AWAKE;
+	if ((ucr4 & UCR4_OREN) == 0)
+		usr2 &= ~USR2_ORE;
+
+	if (usr1 & (USR1_RRDY | USR1_AGTIM)) {
 		if (sport->dma_is_enabled)
 			imx_dma_rxint(sport);
 		else
@@ -826,18 +886,15 @@
 		ret = IRQ_HANDLED;
 	}
 
-	if ((sts & USR1_TRDY &&
-	     readl(sport->port.membase + UCR1) & UCR1_TXMPTYEN) ||
-	    (sts2 & USR2_TXDC &&
-	     readl(sport->port.membase + UCR4) & UCR4_TCEN)) {
+	if ((usr1 & USR1_TRDY) || (usr2 & USR2_TXDC)) {
 		imx_txint(irq, dev_id);
 		ret = IRQ_HANDLED;
 	}
 
-	if (sts & USR1_DTRD) {
+	if (usr1 & USR1_DTRD) {
 		unsigned long flags;
 
-		if (sts & USR1_DTRD)
+		if (usr1 & USR1_DTRD)
 			writel(USR1_DTRD, sport->port.membase + USR1);
 
 		spin_lock_irqsave(&sport->port.lock, flags);
@@ -847,17 +904,17 @@
 		ret = IRQ_HANDLED;
 	}
 
-	if (sts & USR1_RTSD) {
+	if (usr1 & USR1_RTSD) {
 		imx_rtsint(irq, dev_id);
 		ret = IRQ_HANDLED;
 	}
 
-	if (sts & USR1_AWAKE) {
+	if (usr1 & USR1_AWAKE) {
 		writel(USR1_AWAKE, sport->port.membase + USR1);
 		ret = IRQ_HANDLED;
 	}
 
-	if (sts2 & USR2_ORE) {
+	if (usr2 & USR2_ORE) {
 		sport->port.icount.overrun++;
 		writel(USR2_ORE, sport->port.membase + USR2);
 		ret = IRQ_HANDLED;
@@ -1206,7 +1263,7 @@
 
 	/* set UCR1 */
 	temp = readl(sport->port.membase + UCR1);
-	temp |= UCR1_RDMAEN | UCR1_TDMAEN | UCR1_ATDMAEN;
+	temp |= UCR1_RXDMAEN | UCR1_TDMAEN | UCR1_ATDMAEN;
 	writel(temp, sport->port.membase + UCR1);
 
 	temp = readl(sport->port.membase + UCR2);
@@ -1224,7 +1281,7 @@
 
 	/* clear UCR1 */
 	temp = readl(sport->port.membase + UCR1);
-	temp &= ~(UCR1_RDMAEN | UCR1_TDMAEN | UCR1_ATDMAEN);
+	temp &= ~(UCR1_RXDMAEN | UCR1_TDMAEN | UCR1_ATDMAEN);
 	writel(temp, sport->port.membase + UCR1);
 
 	/* clear UCR2 */
@@ -1289,11 +1346,9 @@
 	writel(USR1_RTSD | USR1_DTRD, sport->port.membase + USR1);
 	writel(USR2_ORE, sport->port.membase + USR2);
 
-	if (sport->dma_is_inited && !sport->dma_is_enabled)
-		imx_enable_dma(sport);
-
 	temp = readl(sport->port.membase + UCR1);
-	temp |= UCR1_RRDYEN | UCR1_UARTEN;
+	temp &= ~UCR1_RRDYEN;
+	temp |= UCR1_UARTEN;
 	if (sport->have_rtscts)
 			temp |= UCR1_RTSDEN;
 
@@ -1332,14 +1387,13 @@
 	 */
 	imx_enable_ms(&sport->port);
 
-	/*
-	 * Start RX DMA immediately instead of waiting for RX FIFO interrupts.
-	 * In our iMX53 the average delay for the first reception dropped from
-	 * approximately 35000 microseconds to 1000 microseconds.
-	 */
-	if (sport->dma_is_enabled) {
-		imx_disable_rx_int(sport);
+	if (sport->dma_is_inited) {
+		imx_enable_dma(sport);
 		start_rx_dma(sport);
+	} else {
+		temp = readl(sport->port.membase + UCR1);
+		temp |= UCR1_RRDYEN;
+		writel(temp, sport->port.membase + UCR1);
 	}
 
 	spin_unlock_irqrestore(&sport->port.lock, flags);
@@ -1386,7 +1440,8 @@
 
 	spin_lock_irqsave(&sport->port.lock, flags);
 	temp = readl(sport->port.membase + UCR1);
-	temp &= ~(UCR1_TXMPTYEN | UCR1_RRDYEN | UCR1_RTSDEN | UCR1_UARTEN);
+	temp &= ~(UCR1_TXMPTYEN | UCR1_RRDYEN | UCR1_RTSDEN | UCR1_UARTEN |
+		  UCR1_RXDMAEN | UCR1_ATDMAEN);
 
 	writel(temp, sport->port.membase + UCR1);
 	spin_unlock_irqrestore(&sport->port.lock, flags);
@@ -1659,7 +1714,7 @@
 {
 	struct imx_port *sport = (struct imx_port *)port;
 	unsigned long flags;
-	unsigned long temp;
+	unsigned long ucr1, ucr2;
 	int retval;
 
 	retval = clk_prepare_enable(sport->clk_ipg);
@@ -1673,16 +1728,29 @@
 
 	spin_lock_irqsave(&sport->port.lock, flags);
 
-	temp = readl(sport->port.membase + UCR1);
-	if (is_imx1_uart(sport))
-		temp |= IMX1_UCR1_UARTCLKEN;
-	temp |= UCR1_UARTEN | UCR1_RRDYEN;
-	temp &= ~(UCR1_TXMPTYEN | UCR1_RTSDEN);
-	writel(temp, sport->port.membase + UCR1);
+	/*
+	 * Be careful about the order of enabling bits here. First enable the
+	 * receiver (UARTEN + RXEN) and only then the corresponding irqs.
+	 * This prevents that a character that already sits in the RX fifo is
+	 * triggering an irq but the try to fetch it from there results in an
+	 * exception because UARTEN or RXEN is still off.
+	 */
+	ucr1 = readl(port->membase + UCR1);
+	ucr2 = readl(port->membase + UCR2);
 
-	temp = readl(sport->port.membase + UCR2);
-	temp |= UCR2_RXEN;
-	writel(temp, sport->port.membase + UCR2);
+	if (is_imx1_uart(sport))
+		ucr1 |= IMX1_UCR1_UARTCLKEN;
+
+	ucr1 |= UCR1_UARTEN;
+	ucr1 &= ~(UCR1_TXMPTYEN | UCR1_RTSDEN | UCR1_RRDYEN);
+
+	ucr2 |= UCR2_RXEN;
+
+	writel(ucr1, sport->port.membase + UCR1);
+	writel(ucr2, sport->port.membase + UCR2);
+
+	/* now enable irqs */
+	writel(ucr1 | UCR1_RRDYEN, sport->port.membase + UCR1);
 
 	spin_unlock_irqrestore(&sport->port.lock, flags);
 
@@ -1742,11 +1810,8 @@
 
 	/* Make sure Rx is enabled in case Tx is active with Rx disabled */
 	if (!(rs485conf->flags & SER_RS485_ENABLED) ||
-	    rs485conf->flags & SER_RS485_RX_DURING_TX) {
-		temp = readl(sport->port.membase + UCR2);
-		temp |= UCR2_RXEN;
-		writel(temp, sport->port.membase + UCR2);
-	}
+	    rs485conf->flags & SER_RS485_RX_DURING_TX)
+		imx_start_rx(port);
 
 	port->rs485 = *rs485conf;
 
diff --git a/drivers/tty/synclink_gt.c b/drivers/tty/synclink_gt.c
index 344e8c4..9d68f89 100644
--- a/drivers/tty/synclink_gt.c
+++ b/drivers/tty/synclink_gt.c
@@ -1349,10 +1349,10 @@
 	DBGINFO(("%s throttle\n", info->device_name));
 	if (I_IXOFF(tty))
 		send_xchar(tty, STOP_CHAR(tty));
- 	if (C_CRTSCTS(tty)) {
+	if (C_CRTSCTS(tty)) {
 		spin_lock_irqsave(&info->lock,flags);
 		info->signals &= ~SerialSignal_RTS;
-	 	set_signals(info);
+		set_signals(info);
 		spin_unlock_irqrestore(&info->lock,flags);
 	}
 }
@@ -1374,10 +1374,10 @@
 		else
 			send_xchar(tty, START_CHAR(tty));
 	}
- 	if (C_CRTSCTS(tty)) {
+	if (C_CRTSCTS(tty)) {
 		spin_lock_irqsave(&info->lock,flags);
 		info->signals |= SerialSignal_RTS;
-	 	set_signals(info);
+		set_signals(info);
 		spin_unlock_irqrestore(&info->lock,flags);
 	}
 }
@@ -2575,8 +2575,8 @@
 	info->read_status_mask = IRQ_RXOVER;
 	if (I_INPCK(info->port.tty))
 		info->read_status_mask |= MASK_PARITY | MASK_FRAMING;
- 	if (I_BRKINT(info->port.tty) || I_PARMRK(info->port.tty))
- 		info->read_status_mask |= MASK_BREAK;
+	if (I_BRKINT(info->port.tty) || I_PARMRK(info->port.tty))
+		info->read_status_mask |= MASK_BREAK;
 	if (I_IGNPAR(info->port.tty))
 		info->ignore_status_mask |= MASK_PARITY | MASK_FRAMING;
 	if (I_IGNBRK(info->port.tty)) {
@@ -3207,7 +3207,7 @@
 		info->signals &= ~SerialSignal_DTR;
 
 	spin_lock_irqsave(&info->lock,flags);
- 	set_signals(info);
+	set_signals(info);
 	spin_unlock_irqrestore(&info->lock,flags);
 	return 0;
 }
@@ -3218,7 +3218,7 @@
 	struct slgt_info *info = container_of(port, struct slgt_info, port);
 
 	spin_lock_irqsave(&info->lock,flags);
- 	get_signals(info);
+	get_signals(info);
 	spin_unlock_irqrestore(&info->lock,flags);
 	return (info->signals & SerialSignal_DCD) ? 1 : 0;
 }
@@ -3233,7 +3233,7 @@
 		info->signals |= SerialSignal_RTS | SerialSignal_DTR;
 	else
 		info->signals &= ~(SerialSignal_RTS | SerialSignal_DTR);
- 	set_signals(info);
+	set_signals(info);
 	spin_unlock_irqrestore(&info->lock,flags);
 }
 
diff --git a/drivers/tty/synclinkmp.c b/drivers/tty/synclinkmp.c
index 4fed9e7..3c9e314 100644
--- a/drivers/tty/synclinkmp.c
+++ b/drivers/tty/synclinkmp.c
@@ -1467,10 +1467,10 @@
 	if (I_IXOFF(tty))
 		send_xchar(tty, STOP_CHAR(tty));
 
- 	if (C_CRTSCTS(tty)) {
+	if (C_CRTSCTS(tty)) {
 		spin_lock_irqsave(&info->lock,flags);
 		info->serial_signals &= ~SerialSignal_RTS;
-	 	set_signals(info);
+		set_signals(info);
 		spin_unlock_irqrestore(&info->lock,flags);
 	}
 }
@@ -1496,10 +1496,10 @@
 			send_xchar(tty, START_CHAR(tty));
 	}
 
- 	if (C_CRTSCTS(tty)) {
+	if (C_CRTSCTS(tty)) {
 		spin_lock_irqsave(&info->lock,flags);
 		info->serial_signals |= SerialSignal_RTS;
-	 	set_signals(info);
+		set_signals(info);
 		spin_unlock_irqrestore(&info->lock,flags);
 	}
 }
@@ -2484,7 +2484,7 @@
 					if (status & SerialSignal_CTS) {
 						if ( debug_level >= DEBUG_LEVEL_ISR )
 							printk("CTS tx start...");
-			 			info->port.tty->hw_stopped = 0;
+						info->port.tty->hw_stopped = 0;
 						tx_start(info);
 						info->pending_bh |= BH_TRANSMIT;
 						return;
@@ -2493,7 +2493,7 @@
 					if (!(status & SerialSignal_CTS)) {
 						if ( debug_level >= DEBUG_LEVEL_ISR )
 							printk("CTS tx stop...");
-			 			info->port.tty->hw_stopped = 1;
+						info->port.tty->hw_stopped = 1;
 						tx_stop(info);
 					}
 				}
@@ -2820,8 +2820,8 @@
 	info->read_status_mask2 = OVRN;
 	if (I_INPCK(info->port.tty))
 		info->read_status_mask2 |= PE | FRME;
- 	if (I_BRKINT(info->port.tty) || I_PARMRK(info->port.tty))
- 		info->read_status_mask1 |= BRKD;
+	if (I_BRKINT(info->port.tty) || I_PARMRK(info->port.tty))
+		info->read_status_mask1 |= BRKD;
 	if (I_IGNPAR(info->port.tty))
 		info->ignore_status_mask2 |= PE | FRME;
 	if (I_IGNBRK(info->port.tty)) {
@@ -3191,7 +3191,7 @@
  	unsigned long flags;
 
 	spin_lock_irqsave(&info->lock,flags);
- 	get_signals(info);
+	get_signals(info);
 	spin_unlock_irqrestore(&info->lock,flags);
 
 	result = ((info->serial_signals & SerialSignal_RTS) ? TIOCM_RTS : 0) |
@@ -3229,7 +3229,7 @@
 		info->serial_signals &= ~SerialSignal_DTR;
 
 	spin_lock_irqsave(&info->lock,flags);
- 	set_signals(info);
+	set_signals(info);
 	spin_unlock_irqrestore(&info->lock,flags);
 
 	return 0;
@@ -3241,7 +3241,7 @@
 	unsigned long flags;
 
 	spin_lock_irqsave(&info->lock,flags);
- 	get_signals(info);
+	get_signals(info);
 	spin_unlock_irqrestore(&info->lock,flags);
 
 	return (info->serial_signals & SerialSignal_DCD) ? 1 : 0;
@@ -3257,7 +3257,7 @@
 		info->serial_signals |= SerialSignal_RTS | SerialSignal_DTR;
 	else
 		info->serial_signals &= ~(SerialSignal_RTS | SerialSignal_DTR);
- 	set_signals(info);
+	set_signals(info);
 	spin_unlock_irqrestore(&info->lock,flags);
 }
 
diff --git a/drivers/tty/tty_port.c b/drivers/tty/tty_port.c
index c93a337..dd12c3b 100644
--- a/drivers/tty/tty_port.c
+++ b/drivers/tty/tty_port.c
@@ -51,10 +51,11 @@
 	}
 }
 
-static const struct tty_port_client_operations default_client_ops = {
+const struct tty_port_client_operations tty_port_default_client_ops = {
 	.receive_buf = tty_port_default_receive_buf,
 	.write_wakeup = tty_port_default_wakeup,
 };
+EXPORT_SYMBOL_GPL(tty_port_default_client_ops);
 
 void tty_port_init(struct tty_port *port)
 {
@@ -67,7 +68,7 @@
 	spin_lock_init(&port->lock);
 	port->close_delay = (50 * HZ) / 100;
 	port->closing_wait = (3000 * HZ) / 100;
-	port->client_ops = &default_client_ops;
+	port->client_ops = &tty_port_default_client_ops;
 	kref_init(&port->kref);
 }
 EXPORT_SYMBOL(tty_port_init);
diff --git a/drivers/tty/vt/selection.c b/drivers/tty/vt/selection.c
index 7a4c802..b157f17 100644
--- a/drivers/tty/vt/selection.c
+++ b/drivers/tty/vt/selection.c
@@ -27,6 +27,8 @@
 #include <linux/console.h>
 #include <linux/tty_flip.h>
 
+#include <linux/sched/signal.h>
+
 /* Don't take this from <ctype.h>: 011-015 on the screen aren't spaces */
 #define isspace(c)	((c) == ' ')
 
@@ -338,6 +340,7 @@
 	unsigned int count;
 	struct  tty_ldisc *ld;
 	DECLARE_WAITQUEUE(wait, current);
+	int ret = 0;
 
 	console_lock();
 	poke_blanked_console();
@@ -351,6 +354,10 @@
 	add_wait_queue(&vc->paste_wait, &wait);
 	while (sel_buffer && sel_buffer_lth > pasted) {
 		set_current_state(TASK_INTERRUPTIBLE);
+		if (signal_pending(current)) {
+			ret = -EINTR;
+			break;
+		}
 		if (tty_throttled(tty)) {
 			schedule();
 			continue;
@@ -366,5 +373,5 @@
 
 	tty_buffer_unlock_exclusive(&vc->port);
 	tty_ldisc_deref(ld);
-	return 0;
+	return ret;
 }
diff --git a/drivers/tty/vt/vt_ioctl.c b/drivers/tty/vt/vt_ioctl.c
index 7b34b0d..c320fef 100644
--- a/drivers/tty/vt/vt_ioctl.c
+++ b/drivers/tty/vt/vt_ioctl.c
@@ -847,58 +847,49 @@
 
 	case VT_RESIZEX:
 	{
-		struct vt_consize __user *vtconsize = up;
-		ushort ll,cc,vlin,clin,vcol,ccol;
+		struct vt_consize v;
 		if (!perm)
 			return -EPERM;
-		if (!access_ok(VERIFY_READ, vtconsize,
-				sizeof(struct vt_consize))) {
-			ret = -EFAULT;
-			break;
-		}
+		if (copy_from_user(&v, up, sizeof(struct vt_consize)))
+			return -EFAULT;
 		/* FIXME: Should check the copies properly */
-		__get_user(ll, &vtconsize->v_rows);
-		__get_user(cc, &vtconsize->v_cols);
-		__get_user(vlin, &vtconsize->v_vlin);
-		__get_user(clin, &vtconsize->v_clin);
-		__get_user(vcol, &vtconsize->v_vcol);
-		__get_user(ccol, &vtconsize->v_ccol);
-		vlin = vlin ? vlin : vc->vc_scan_lines;
-		if (clin) {
-			if (ll) {
-				if (ll != vlin/clin) {
-					/* Parameters don't add up */
-					ret = -EINVAL;
-					break;
-				}
-			} else 
-				ll = vlin/clin;
+		if (!v.v_vlin)
+			v.v_vlin = vc->vc_scan_lines;
+		if (v.v_clin) {
+			int rows = v.v_vlin/v.v_clin;
+			if (v.v_rows != rows) {
+				if (v.v_rows) /* Parameters don't add up */
+					return -EINVAL;
+				v.v_rows = rows;
+			}
 		}
-		if (vcol && ccol) {
-			if (cc) {
-				if (cc != vcol/ccol) {
-					ret = -EINVAL;
-					break;
-				}
-			} else
-				cc = vcol/ccol;
+		if (v.v_vcol && v.v_ccol) {
+			int cols = v.v_vcol/v.v_ccol;
+			if (v.v_cols != cols) {
+				if (v.v_cols)
+					return -EINVAL;
+				v.v_cols = cols;
+			}
 		}
 
-		if (clin > 32) {
-			ret =  -EINVAL;
-			break;
-		}
-		    
+		if (v.v_clin > 32)
+			return -EINVAL;
+
 		for (i = 0; i < MAX_NR_CONSOLES; i++) {
+			struct vc_data *vcp;
+
 			if (!vc_cons[i].d)
 				continue;
 			console_lock();
-			if (vlin)
-				vc_cons[i].d->vc_scan_lines = vlin;
-			if (clin)
-				vc_cons[i].d->vc_font.height = clin;
-			vc_cons[i].d->vc_resize_user = 1;
-			vc_resize(vc_cons[i].d, cc, ll);
+			vcp = vc_cons[i].d;
+			if (vcp) {
+				if (v.v_vlin)
+					vcp->vc_scan_lines = v.v_vlin;
+				if (v.v_clin)
+					vcp->vc_font.height = v.v_clin;
+				vcp->vc_resize_user = 1;
+				vc_resize(vcp, v.v_cols, v.v_rows);
+			}
 			console_unlock();
 		}
 		break;
diff --git a/drivers/uio/uio_dmem_genirq.c b/drivers/uio/uio_dmem_genirq.c
index e1134a4..a00b4ae 100644
--- a/drivers/uio/uio_dmem_genirq.c
+++ b/drivers/uio/uio_dmem_genirq.c
@@ -135,11 +135,13 @@
 	if (irq_on) {
 		if (test_and_clear_bit(0, &priv->flags))
 			enable_irq(dev_info->irq);
+		spin_unlock_irqrestore(&priv->lock, flags);
 	} else {
-		if (!test_and_set_bit(0, &priv->flags))
+		if (!test_and_set_bit(0, &priv->flags)) {
+			spin_unlock_irqrestore(&priv->lock, flags);
 			disable_irq(dev_info->irq);
+		}
 	}
-	spin_unlock_irqrestore(&priv->lock, flags);
 
 	return 0;
 }
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 7d5ecf3..ff1be6a 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -36,7 +36,9 @@
 #include "otg_whitelist.h"
 
 #define USB_VENDOR_GENESYS_LOGIC		0x05e3
+#define USB_VENDOR_SMSC				0x0424
 #define HUB_QUIRK_CHECK_PORT_AUTOSUSPEND	0x01
+#define HUB_QUIRK_DISABLE_AUTOSUSPEND		0x02
 
 /* Protect struct usb_device->state and ->children members
  * Note: Both are also protected by ->dev.sem, except that ->state can
@@ -1189,11 +1191,6 @@
 #ifdef CONFIG_PM
 			udev->reset_resume = 1;
 #endif
-			/* Don't set the change_bits when the device
-			 * was powered off.
-			 */
-			if (test_bit(port1, hub->power_bits))
-				set_bit(port1, hub->change_bits);
 
 		} else {
 			/* The power session is gone; tell hub_wq */
@@ -1685,6 +1682,10 @@
 	kfree(hub->buffer);
 
 	pm_suspend_ignore_children(&intf->dev, false);
+
+	if (hub->quirk_disable_autosuspend)
+		usb_autopm_put_interface(intf);
+
 	kref_put(&hub->kref, hub_release);
 }
 
@@ -1815,6 +1816,11 @@
 	if (id->driver_info & HUB_QUIRK_CHECK_PORT_AUTOSUSPEND)
 		hub->quirk_check_port_auto_suspend = 1;
 
+	if (id->driver_info & HUB_QUIRK_DISABLE_AUTOSUSPEND) {
+		hub->quirk_disable_autosuspend = 1;
+		usb_autopm_get_interface(intf);
+	}
+
 	if (hub_configure(hub, &desc->endpoint[0].desc) >= 0)
 		return 0;
 
@@ -5293,6 +5299,10 @@
 }
 
 static const struct usb_device_id hub_id_table[] = {
+    { .match_flags = USB_DEVICE_ID_MATCH_VENDOR | USB_DEVICE_ID_MATCH_INT_CLASS,
+      .idVendor = USB_VENDOR_SMSC,
+      .bInterfaceClass = USB_CLASS_HUB,
+      .driver_info = HUB_QUIRK_DISABLE_AUTOSUSPEND},
     { .match_flags = USB_DEVICE_ID_MATCH_VENDOR
 			| USB_DEVICE_ID_MATCH_INT_CLASS,
       .idVendor = USB_VENDOR_GENESYS_LOGIC,
diff --git a/drivers/usb/core/hub.h b/drivers/usb/core/hub.h
index 34c1a7e..657bacf 100644
--- a/drivers/usb/core/hub.h
+++ b/drivers/usb/core/hub.h
@@ -69,6 +69,7 @@
 	unsigned		quiescing:1;
 	unsigned		disconnected:1;
 	unsigned		in_reset:1;
+	unsigned		quirk_disable_autosuspend:1;
 
 	unsigned		quirk_check_port_auto_suspend:1;
 
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 19e819a..ad83071 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -291,6 +291,9 @@
 	/* INTEL VALUE SSD */
 	{ USB_DEVICE(0x8086, 0xf1a5), .driver_info = USB_QUIRK_RESET_RESUME },
 
+	/* novation SoundControl XL */
+	{ USB_DEVICE(0x1235, 0x0061), .driver_info = USB_QUIRK_RESET_RESUME },
+
 	{ }  /* terminating entry must be last */
 };
 
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index 4af9a1c..aeb6f7c 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -3933,11 +3933,12 @@
 	 * a unique tx-fifo even if it is non-periodic.
 	 */
 	if (dir_in && hsotg->dedicated_fifos) {
+		unsigned fifo_count = dwc2_hsotg_tx_fifo_count(hsotg);
 		u32 fifo_index = 0;
 		u32 fifo_size = UINT_MAX;
 
 		size = hs_ep->ep.maxpacket * hs_ep->mc;
-		for (i = 1; i < hsotg->num_of_eps; ++i) {
+		for (i = 1; i <= fifo_count; ++i) {
 			if (hsotg->fifo_map & (1 << i))
 				continue;
 			val = dwc2_readl(hsotg->regs + DPTXFSIZN(i));
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index 663dede..d40c722 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -440,12 +440,10 @@
 		val = CONFIG_USB_GADGET_VBUS_DRAW;
 	if (!val)
 		return 0;
-	switch (speed) {
-	case USB_SPEED_SUPER:
-		return DIV_ROUND_UP(val, 8);
-	default:
+	if (speed < USB_SPEED_SUPER)
 		return DIV_ROUND_UP(val, 2);
-	}
+	else
+		return DIV_ROUND_UP(val, 8);
 }
 
 static int config_buf(struct usb_configuration *config,
diff --git a/drivers/usb/gadget/udc/gr_udc.c b/drivers/usb/gadget/udc/gr_udc.c
index 1f99411..feb73a1 100644
--- a/drivers/usb/gadget/udc/gr_udc.c
+++ b/drivers/usb/gadget/udc/gr_udc.c
@@ -2200,8 +2200,6 @@
 		return -ENOMEM;
 	}
 
-	spin_lock(&dev->lock);
-
 	/* Inside lock so that no gadget can use this udc until probe is done */
 	retval = usb_add_gadget_udc(dev->dev, &dev->gadget);
 	if (retval) {
@@ -2210,15 +2208,21 @@
 	}
 	dev->added = 1;
 
-	retval = gr_udc_init(dev);
-	if (retval)
-		goto out;
+	spin_lock(&dev->lock);
 
-	gr_dfs_create(dev);
+	retval = gr_udc_init(dev);
+	if (retval) {
+		spin_unlock(&dev->lock);
+		goto out;
+	}
 
 	/* Clear all interrupt enables that might be left on since last boot */
 	gr_disable_interrupts_and_pullup(dev);
 
+	spin_unlock(&dev->lock);
+
+	gr_dfs_create(dev);
+
 	retval = gr_request_irq(dev, dev->irq);
 	if (retval) {
 		dev_err(dev->dev, "Failed to request irq %d\n", dev->irq);
@@ -2247,8 +2251,6 @@
 		dev_info(dev->dev, "regs: %p, irq %d\n", dev->regs, dev->irq);
 
 out:
-	spin_unlock(&dev->lock);
-
 	if (retval)
 		gr_remove(pdev);
 
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index a80a57d..70452c8 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -1479,9 +1479,15 @@
 	/* Allow 3 retries for everything but isoc, set CErr = 3 */
 	if (!usb_endpoint_xfer_isoc(&ep->desc))
 		err_count = 3;
-	/* Some devices get this wrong */
-	if (usb_endpoint_xfer_bulk(&ep->desc) && udev->speed == USB_SPEED_HIGH)
-		max_packet = 512;
+	/* HS bulk max packet should be 512, FS bulk supports 8, 16, 32 or 64 */
+	if (usb_endpoint_xfer_bulk(&ep->desc)) {
+		if (udev->speed == USB_SPEED_HIGH)
+			max_packet = 512;
+		if (udev->speed == USB_SPEED_FULL) {
+			max_packet = rounddown_pow_of_two(max_packet);
+			max_packet = clamp_val(max_packet, 8, 64);
+		}
+	}
 	/* xHCI 1.0 and 1.1 indicates that ctrl ep avg TRB Length should be 8 */
 	if (usb_endpoint_xfer_control(&ep->desc) && xhci->hci_version >= 0x100)
 		avg_trb_len = 8;
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 09f2282..908496e 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -53,6 +53,7 @@
 #define PCI_DEVICE_ID_INTEL_BROXTON_B_XHCI		0x1aa8
 #define PCI_DEVICE_ID_INTEL_APL_XHCI			0x5aa8
 #define PCI_DEVICE_ID_INTEL_DNV_XHCI			0x19d0
+#define PCI_DEVICE_ID_INTEL_CML_XHCI			0xa3af
 
 #define PCI_DEVICE_ID_AMD_PROMONTORYA_4			0x43b9
 #define PCI_DEVICE_ID_AMD_PROMONTORYA_3			0x43ba
@@ -191,7 +192,8 @@
 		 pdev->device == PCI_DEVICE_ID_INTEL_BROXTON_M_XHCI ||
 		 pdev->device == PCI_DEVICE_ID_INTEL_BROXTON_B_XHCI ||
 		 pdev->device == PCI_DEVICE_ID_INTEL_APL_XHCI ||
-		 pdev->device == PCI_DEVICE_ID_INTEL_DNV_XHCI)) {
+		 pdev->device == PCI_DEVICE_ID_INTEL_DNV_XHCI ||
+		 pdev->device == PCI_DEVICE_ID_INTEL_CML_XHCI)) {
 		xhci->quirks |= XHCI_PME_STUCK_QUIRK;
 	}
 	if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
@@ -284,6 +286,9 @@
 	if (!usb_hcd_is_primary_hcd(hcd))
 		return 0;
 
+	if (xhci->quirks & XHCI_PME_STUCK_QUIRK)
+		xhci_pme_acpi_rtd3_enable(pdev);
+
 	xhci_dbg(xhci, "Got SBRN %u\n", (unsigned int) xhci->sbrn);
 
 	/* Find any debug ports */
@@ -344,9 +349,6 @@
 			HCC_MAX_PSA(xhci->hcc_params) >= 4)
 		xhci->shared_hcd->can_do_streams = 1;
 
-	if (xhci->quirks & XHCI_PME_STUCK_QUIRK)
-		xhci_pme_acpi_rtd3_enable(dev);
-
 	/* USB-2 and USB-3 roothubs initialized, allow runtime pm suspend */
 	pm_runtime_put_noidle(&dev->dev);
 
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 61fa300..868878f 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -2759,6 +2759,42 @@
 }
 
 /*
+ * Update Event Ring Dequeue Pointer:
+ * - When all events have finished
+ * - To avoid "Event Ring Full Error" condition
+ */
+static void xhci_update_erst_dequeue(struct xhci_hcd *xhci,
+		union xhci_trb *event_ring_deq)
+{
+	u64 temp_64;
+	dma_addr_t deq;
+
+	temp_64 = xhci_read_64(xhci, &xhci->ir_set->erst_dequeue);
+	/* If necessary, update the HW's version of the event ring deq ptr. */
+	if (event_ring_deq != xhci->event_ring->dequeue) {
+		deq = xhci_trb_virt_to_dma(xhci->event_ring->deq_seg,
+				xhci->event_ring->dequeue);
+		if (deq == 0)
+			xhci_warn(xhci, "WARN something wrong with SW event ring dequeue ptr\n");
+		/*
+		 * Per 4.9.4, Software writes to the ERDP register shall
+		 * always advance the Event Ring Dequeue Pointer value.
+		 */
+		if ((temp_64 & (u64) ~ERST_PTR_MASK) ==
+				((u64) deq & (u64) ~ERST_PTR_MASK))
+			return;
+
+		/* Update HC event ring dequeue pointer */
+		temp_64 &= ERST_PTR_MASK;
+		temp_64 |= ((u64) deq & (u64) ~ERST_PTR_MASK);
+	}
+
+	/* Clear the event handler busy flag (RW1C) */
+	temp_64 |= ERST_EHB;
+	xhci_write_64(xhci, temp_64, &xhci->ir_set->erst_dequeue);
+}
+
+/*
  * xHCI spec says we can get an interrupt, and if the HC has an error condition,
  * we might get bad data out of the event ring.  Section 4.10.2.7 has a list of
  * indicators of an event TRB error, but we check the status *first* to be safe.
@@ -2769,9 +2805,9 @@
 	union xhci_trb *event_ring_deq;
 	irqreturn_t ret = IRQ_NONE;
 	unsigned long flags;
-	dma_addr_t deq;
 	u64 temp_64;
 	u32 status;
+	int event_loop = 0;
 
 	spin_lock_irqsave(&xhci->lock, flags);
 	/* Check if the xHC generated the interrupt, or the irq is shared */
@@ -2825,24 +2861,14 @@
 	/* FIXME this should be a delayed service routine
 	 * that clears the EHB.
 	 */
-	while (xhci_handle_event(xhci) > 0) {}
-
-	temp_64 = xhci_read_64(xhci, &xhci->ir_set->erst_dequeue);
-	/* If necessary, update the HW's version of the event ring deq ptr. */
-	if (event_ring_deq != xhci->event_ring->dequeue) {
-		deq = xhci_trb_virt_to_dma(xhci->event_ring->deq_seg,
-				xhci->event_ring->dequeue);
-		if (deq == 0)
-			xhci_warn(xhci, "WARN something wrong with SW event "
-					"ring dequeue ptr.\n");
-		/* Update HC event ring dequeue pointer */
-		temp_64 &= ERST_PTR_MASK;
-		temp_64 |= ((u64) deq & (u64) ~ERST_PTR_MASK);
+	while (xhci_handle_event(xhci) > 0) {
+		if (event_loop++ < TRBS_PER_SEGMENT / 2)
+			continue;
+		xhci_update_erst_dequeue(xhci, event_ring_deq);
+		event_loop = 0;
 	}
 
-	/* Clear the event handler busy flag (RW1C); event ring is empty. */
-	temp_64 |= ERST_EHB;
-	xhci_write_64(xhci, temp_64, &xhci->ir_set->erst_dequeue);
+	xhci_update_erst_dequeue(xhci, event_ring_deq);
 	ret = IRQ_HANDLED;
 
 out:
diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c
index 7f226cc..1ec32e5 100644
--- a/drivers/usb/misc/iowarrior.c
+++ b/drivers/usb/misc/iowarrior.c
@@ -32,6 +32,14 @@
 #define USB_DEVICE_ID_CODEMERCS_IOWPV2	0x1512
 /* full speed iowarrior */
 #define USB_DEVICE_ID_CODEMERCS_IOW56	0x1503
+/* fuller speed iowarrior */
+#define USB_DEVICE_ID_CODEMERCS_IOW28	0x1504
+#define USB_DEVICE_ID_CODEMERCS_IOW28L	0x1505
+#define USB_DEVICE_ID_CODEMERCS_IOW100	0x1506
+
+/* OEMed devices */
+#define USB_DEVICE_ID_CODEMERCS_IOW24SAG	0x158a
+#define USB_DEVICE_ID_CODEMERCS_IOW56AM		0x158b
 
 /* Get a minor range for your devices from the usb maintainer */
 #ifdef CONFIG_USB_DYNAMIC_MINORS
@@ -137,6 +145,11 @@
 	{USB_DEVICE(USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOWPV1)},
 	{USB_DEVICE(USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOWPV2)},
 	{USB_DEVICE(USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW56)},
+	{USB_DEVICE(USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW24SAG)},
+	{USB_DEVICE(USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW56AM)},
+	{USB_DEVICE(USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW28)},
+	{USB_DEVICE(USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW28L)},
+	{USB_DEVICE(USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW100)},
 	{}			/* Terminating entry */
 };
 MODULE_DEVICE_TABLE(usb, iowarrior_ids);
@@ -364,6 +377,7 @@
 	}
 	switch (dev->product_id) {
 	case USB_DEVICE_ID_CODEMERCS_IOW24:
+	case USB_DEVICE_ID_CODEMERCS_IOW24SAG:
 	case USB_DEVICE_ID_CODEMERCS_IOWPV1:
 	case USB_DEVICE_ID_CODEMERCS_IOWPV2:
 	case USB_DEVICE_ID_CODEMERCS_IOW40:
@@ -378,6 +392,10 @@
 		goto exit;
 		break;
 	case USB_DEVICE_ID_CODEMERCS_IOW56:
+	case USB_DEVICE_ID_CODEMERCS_IOW56AM:
+	case USB_DEVICE_ID_CODEMERCS_IOW28:
+	case USB_DEVICE_ID_CODEMERCS_IOW28L:
+	case USB_DEVICE_ID_CODEMERCS_IOW100:
 		/* The IOW56 uses asynchronous IO and more urbs */
 		if (atomic_read(&dev->write_busy) == MAX_WRITES_IN_FLIGHT) {
 			/* Wait until we are below the limit for submitted urbs */
@@ -502,6 +520,7 @@
 	switch (cmd) {
 	case IOW_WRITE:
 		if (dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW24 ||
+		    dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW24SAG ||
 		    dev->product_id == USB_DEVICE_ID_CODEMERCS_IOWPV1 ||
 		    dev->product_id == USB_DEVICE_ID_CODEMERCS_IOWPV2 ||
 		    dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW40) {
@@ -786,7 +805,11 @@
 		goto error;
 	}
 
-	if (dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW56) {
+	if ((dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW56) ||
+	    (dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW56AM) ||
+	    (dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW28) ||
+	    (dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW28L) ||
+	    (dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW100)) {
 		res = usb_find_last_int_out_endpoint(iface_desc,
 				&dev->int_out_endpoint);
 		if (res) {
@@ -799,7 +822,11 @@
 	/* we have to check the report_size often, so remember it in the endianness suitable for our machine */
 	dev->report_size = usb_endpoint_maxp(dev->int_in_endpoint);
 	if ((dev->interface->cur_altsetting->desc.bInterfaceNumber == 0) &&
-	    (dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW56))
+	    ((dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW56) ||
+	     (dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW56AM) ||
+	     (dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW28) ||
+	     (dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW28L) ||
+	     (dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW100)))
 		/* IOWarrior56 has wMaxPacketSize different from report size */
 		dev->report_size = 7;
 
diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c
index 456f3e6..26e69c2 100644
--- a/drivers/usb/musb/omap2430.c
+++ b/drivers/usb/musb/omap2430.c
@@ -388,8 +388,6 @@
 	.init		= omap2430_musb_init,
 	.exit		= omap2430_musb_exit,
 
-	.set_vbus	= omap2430_musb_set_vbus,
-
 	.enable		= omap2430_musb_enable,
 	.disable	= omap2430_musb_disable,
 
diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c
index 8391a88..9d97543 100644
--- a/drivers/usb/storage/uas.c
+++ b/drivers/usb/storage/uas.c
@@ -46,6 +46,7 @@
 	struct scsi_cmnd *cmnd[MAX_CMNDS];
 	spinlock_t lock;
 	struct work_struct work;
+	struct work_struct scan_work;      /* for async scanning */
 };
 
 enum {
@@ -115,6 +116,17 @@
 	spin_unlock_irqrestore(&devinfo->lock, flags);
 }
 
+static void uas_scan_work(struct work_struct *work)
+{
+	struct uas_dev_info *devinfo =
+		container_of(work, struct uas_dev_info, scan_work);
+	struct Scsi_Host *shost = usb_get_intfdata(devinfo->intf);
+
+	dev_dbg(&devinfo->intf->dev, "starting scan\n");
+	scsi_scan_host(shost);
+	dev_dbg(&devinfo->intf->dev, "scan complete\n");
+}
+
 static void uas_add_work(struct uas_cmd_info *cmdinfo)
 {
 	struct scsi_pointer *scp = (void *)cmdinfo;
@@ -989,6 +1001,7 @@
 	init_usb_anchor(&devinfo->data_urbs);
 	spin_lock_init(&devinfo->lock);
 	INIT_WORK(&devinfo->work, uas_do_work);
+	INIT_WORK(&devinfo->scan_work, uas_scan_work);
 
 	result = uas_configure_endpoints(devinfo);
 	if (result)
@@ -1005,7 +1018,9 @@
 	if (result)
 		goto free_streams;
 
-	scsi_scan_host(shost);
+	/* Submit the delayed_work for SCSI-device scanning */
+	schedule_work(&devinfo->scan_work);
+
 	return result;
 
 free_streams:
@@ -1173,6 +1188,12 @@
 	usb_kill_anchored_urbs(&devinfo->data_urbs);
 	uas_zap_pending(devinfo, DID_NO_CONNECT);
 
+	/*
+	 * Prevent SCSI scanning (if it hasn't started yet)
+	 * or wait for the SCSI-scanning routine to stop.
+	 */
+	cancel_work_sync(&devinfo->scan_work);
+
 	scsi_remove_host(shost);
 	uas_free_streams(devinfo);
 	scsi_host_put(shost);
diff --git a/drivers/video/fbdev/pxa168fb.c b/drivers/video/fbdev/pxa168fb.c
index d059d04..20195d3 100644
--- a/drivers/video/fbdev/pxa168fb.c
+++ b/drivers/video/fbdev/pxa168fb.c
@@ -769,8 +769,8 @@
 failed_free_clk:
 	clk_disable_unprepare(fbi->clk);
 failed_free_fbmem:
-	dma_free_coherent(fbi->dev, info->fix.smem_len,
-			info->screen_base, fbi->fb_start_dma);
+	dma_free_wc(fbi->dev, info->fix.smem_len,
+		    info->screen_base, fbi->fb_start_dma);
 failed_free_info:
 	kfree(info);
 
@@ -804,7 +804,7 @@
 
 	irq = platform_get_irq(pdev, 0);
 
-	dma_free_wc(fbi->dev, PAGE_ALIGN(info->fix.smem_len),
+	dma_free_wc(fbi->dev, info->fix.smem_len,
 		    info->screen_base, info->fix.smem_start);
 
 	clk_disable_unprepare(fbi->clk);
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index 4995316..7197077 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -132,6 +132,8 @@
 {
 	unsigned int i;
 
+	BUILD_BUG_ON(VIRTIO_BALLOON_PAGES_PER_PAGE > VIRTIO_BALLOON_ARRAY_PFNS_MAX);
+
 	/*
 	 * Set balloon pfns pointing at this page.
 	 * Note that the first pfn points at start of the page.
diff --git a/drivers/vme/bridges/vme_fake.c b/drivers/vme/bridges/vme_fake.c
index 30b3acc..e81ec76 100644
--- a/drivers/vme/bridges/vme_fake.c
+++ b/drivers/vme/bridges/vme_fake.c
@@ -418,8 +418,9 @@
 	}
 }
 
-static u8 fake_vmeread8(struct fake_driver *bridge, unsigned long long addr,
-		u32 aspace, u32 cycle)
+static noinline_for_stack u8 fake_vmeread8(struct fake_driver *bridge,
+					   unsigned long long addr,
+					   u32 aspace, u32 cycle)
 {
 	u8 retval = 0xff;
 	int i;
@@ -450,8 +451,9 @@
 	return retval;
 }
 
-static u16 fake_vmeread16(struct fake_driver *bridge, unsigned long long addr,
-		u32 aspace, u32 cycle)
+static noinline_for_stack u16 fake_vmeread16(struct fake_driver *bridge,
+					     unsigned long long addr,
+					     u32 aspace, u32 cycle)
 {
 	u16 retval = 0xffff;
 	int i;
@@ -482,8 +484,9 @@
 	return retval;
 }
 
-static u32 fake_vmeread32(struct fake_driver *bridge, unsigned long long addr,
-		u32 aspace, u32 cycle)
+static noinline_for_stack u32 fake_vmeread32(struct fake_driver *bridge,
+					     unsigned long long addr,
+					     u32 aspace, u32 cycle)
 {
 	u32 retval = 0xffffffff;
 	int i;
@@ -613,8 +616,9 @@
 	return retval;
 }
 
-static void fake_vmewrite8(struct fake_driver *bridge, u8 *buf,
-			   unsigned long long addr, u32 aspace, u32 cycle)
+static noinline_for_stack void fake_vmewrite8(struct fake_driver *bridge,
+					      u8 *buf, unsigned long long addr,
+					      u32 aspace, u32 cycle)
 {
 	int i;
 	unsigned long long start, end, offset;
@@ -643,8 +647,9 @@
 
 }
 
-static void fake_vmewrite16(struct fake_driver *bridge, u16 *buf,
-			    unsigned long long addr, u32 aspace, u32 cycle)
+static noinline_for_stack void fake_vmewrite16(struct fake_driver *bridge,
+					       u16 *buf, unsigned long long addr,
+					       u32 aspace, u32 cycle)
 {
 	int i;
 	unsigned long long start, end, offset;
@@ -673,8 +678,9 @@
 
 }
 
-static void fake_vmewrite32(struct fake_driver *bridge, u32 *buf,
-			    unsigned long long addr, u32 aspace, u32 cycle)
+static noinline_for_stack void fake_vmewrite32(struct fake_driver *bridge,
+					       u32 *buf, unsigned long long addr,
+					       u32 aspace, u32 cycle)
 {
 	int i;
 	unsigned long long start, end, offset;
diff --git a/drivers/xen/preempt.c b/drivers/xen/preempt.c
index 08cb419..5f6b77e 100644
--- a/drivers/xen/preempt.c
+++ b/drivers/xen/preempt.c
@@ -37,7 +37,9 @@
 		 * cpu.
 		 */
 		__this_cpu_write(xen_in_preemptible_hcall, false);
-		_cond_resched();
+		local_irq_enable();
+		cond_resched();
+		local_irq_disable();
 		__this_cpu_write(xen_in_preemptible_hcall, true);
 	}
 }
diff --git a/fs/btrfs/check-integrity.c b/fs/btrfs/check-integrity.c
index 7d5a9b5..4be07cf 100644
--- a/fs/btrfs/check-integrity.c
+++ b/fs/btrfs/check-integrity.c
@@ -642,7 +642,6 @@
 static int btrfsic_process_superblock(struct btrfsic_state *state,
 				      struct btrfs_fs_devices *fs_devices)
 {
-	struct btrfs_fs_info *fs_info = state->fs_info;
 	struct btrfs_super_block *selected_super;
 	struct list_head *dev_head = &fs_devices->devices;
 	struct btrfs_device *device;
@@ -713,7 +712,7 @@
 			break;
 		}
 
-		num_copies = btrfs_num_copies(fs_info, next_bytenr,
+		num_copies = btrfs_num_copies(state->fs_info, next_bytenr,
 					      state->metablock_size);
 		if (state->print_mask & BTRFSIC_PRINT_MASK_NUM_COPIES)
 			pr_info("num_copies(log_bytenr=%llu) = %d\n",
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 44b1561..6b4fee5 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -2913,6 +2913,7 @@
 	/* do not make disk changes in broken FS or nologreplay is given */
 	if (btrfs_super_log_root(disk_super) != 0 &&
 	    !btrfs_test_opt(fs_info, NOLOGREPLAY)) {
+		btrfs_info(fs_info, "start tree-log replay");
 		ret = btrfs_replay_log(fs_info, fs_devices);
 		if (ret) {
 			err = ret;
@@ -4393,7 +4394,6 @@
 	wake_up(&fs_info->transaction_wait);
 
 	btrfs_destroy_delayed_inodes(fs_info);
-	btrfs_assert_delayed_root_empty(fs_info);
 
 	btrfs_destroy_marked_extents(fs_info, &cur_trans->dirty_pages,
 				     EXTENT_DIRTY);
diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c
index 2e348fb..c87d673 100644
--- a/fs/btrfs/extent_map.c
+++ b/fs/btrfs/extent_map.c
@@ -228,6 +228,17 @@
 	struct extent_map *merge = NULL;
 	struct rb_node *rb;
 
+	/*
+	 * We can't modify an extent map that is in the tree and that is being
+	 * used by another task, as it can cause that other task to see it in
+	 * inconsistent state during the merging. We always have 1 reference for
+	 * the tree and 1 for this task (which is unpinning the extent map or
+	 * clearing the logging flag), so anything > 2 means it's being used by
+	 * other tasks too.
+	 */
+	if (refcount_read(&em->refs) > 2)
+		return;
+
 	if (em->start != 0) {
 		rb = rb_prev(&em->rb_node);
 		if (rb)
diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c
index 702b360..717d82d 100644
--- a/fs/btrfs/file-item.c
+++ b/fs/btrfs/file-item.c
@@ -288,7 +288,8 @@
 		csum += count * csum_size;
 		nblocks -= count;
 next:
-		while (count--) {
+		while (count > 0) {
+			count--;
 			disk_bytenr += fs_info->sectorsize;
 			offset += fs_info->sectorsize;
 			page_bytes_left -= fs_info->sectorsize;
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index abecc47..2a196bb 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -10639,6 +10639,7 @@
 	struct btrfs_root *root = BTRFS_I(inode)->root;
 	struct btrfs_key ins;
 	u64 cur_offset = start;
+	u64 clear_offset = start;
 	u64 i_size;
 	u64 cur_bytes;
 	u64 last_alloc = (u64)-1;
@@ -10673,6 +10674,15 @@
 				btrfs_end_transaction(trans);
 			break;
 		}
+
+		/*
+		 * We've reserved this space, and thus converted it from
+		 * ->bytes_may_use to ->bytes_reserved.  Any error that happens
+		 * from here on out we will only need to clear our reservation
+		 * for the remaining unreserved area, so advance our
+		 * clear_offset by our extent size.
+		 */
+		clear_offset += ins.offset;
 		btrfs_dec_block_group_reservations(fs_info, ins.objectid);
 
 		last_alloc = ins.offset;
@@ -10753,9 +10763,9 @@
 		if (own_trans)
 			btrfs_end_transaction(trans);
 	}
-	if (cur_offset < end)
-		btrfs_free_reserved_data_space(inode, NULL, cur_offset,
-			end - cur_offset + 1);
+	if (clear_offset < end)
+		btrfs_free_reserved_data_space(inode, NULL, clear_offset,
+			end - clear_offset + 1);
 	return ret;
 }
 
diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c
index a3aca49..d2287ea 100644
--- a/fs/btrfs/ordered-data.c
+++ b/fs/btrfs/ordered-data.c
@@ -838,10 +838,15 @@
 		}
 		btrfs_start_ordered_extent(inode, ordered, 1);
 		end = ordered->file_offset;
+		/*
+		 * If the ordered extent had an error save the error but don't
+		 * exit without waiting first for all other ordered extents in
+		 * the range to complete.
+		 */
 		if (test_bit(BTRFS_ORDERED_IOERR, &ordered->flags))
 			ret = -EIO;
 		btrfs_put_ordered_extent(ordered);
-		if (ret || end == 0 || end == start)
+		if (end == 0 || end == start)
 			break;
 		end--;
 	}
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 3ab79fa..17a8463 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -1801,6 +1801,8 @@
 		}
 
 		if (btrfs_super_log_root(fs_info->super_copy) != 0) {
+			btrfs_warn(fs_info,
+		"mount required to replay tree-log, cannot remount read-write");
 			ret = -EINVAL;
 			goto restore;
 		}
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 358e930..6d34842 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -7227,6 +7227,8 @@
 			else
 				btrfs_dev_stat_reset(dev, i);
 		}
+		btrfs_info(fs_info, "device stats zeroed by %s (%d)",
+			   current->comm, task_pid_nr(current));
 	} else {
 		for (i = 0; i < BTRFS_DEV_STAT_VALUES_MAX; i++)
 			if (stats->nr_items > i)
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index b968334..f36ddfe 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -2261,8 +2261,7 @@
 		if (!(mdsc->fsc->mount_options->flags &
 		      CEPH_MOUNT_OPT_MOUNTWAIT) &&
 		    !ceph_mdsmap_is_cluster_available(mdsc->mdsmap)) {
-			err = -ENOENT;
-			pr_info("probably no mds server is up\n");
+			err = -EHOSTUNREACH;
 			goto finish;
 		}
 	}
diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index 088c448..6b10b20 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -1055,6 +1055,11 @@
 	return res;
 
 out_splat:
+	if (!ceph_mdsmap_is_cluster_available(fsc->mdsc->mdsmap)) {
+		pr_info("No mds server is up or the cluster is laggy\n");
+		err = -EHOSTUNREACH;
+	}
+
 	ceph_mdsc_close_sessions(fsc->mdsc);
 	deactivate_locked_super(sb);
 	goto out_final;
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index f0b1279..6e5ecf7 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -3047,8 +3047,10 @@
 {
 	struct cifs_sb_info *old = CIFS_SB(sb);
 	struct cifs_sb_info *new = mnt_data->cifs_sb;
-	bool old_set = old->mnt_cifs_flags & CIFS_MOUNT_USE_PREFIX_PATH;
-	bool new_set = new->mnt_cifs_flags & CIFS_MOUNT_USE_PREFIX_PATH;
+	bool old_set = (old->mnt_cifs_flags & CIFS_MOUNT_USE_PREFIX_PATH) &&
+		old->prepath;
+	bool new_set = (new->mnt_cifs_flags & CIFS_MOUNT_USE_PREFIX_PATH) &&
+		new->prepath;
 
 	if (old_set && new_set && !strcmp(new->prepath, old->prepath))
 		return 1;
diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c
index bd25ab8..eed38ae 100644
--- a/fs/ecryptfs/crypto.c
+++ b/fs/ecryptfs/crypto.c
@@ -339,8 +339,10 @@
 	struct extent_crypt_result ecr;
 	int rc = 0;
 
-	BUG_ON(!crypt_stat || !crypt_stat->tfm
-	       || !(crypt_stat->flags & ECRYPTFS_STRUCT_INITIALIZED));
+	if (!crypt_stat || !crypt_stat->tfm
+	       || !(crypt_stat->flags & ECRYPTFS_STRUCT_INITIALIZED))
+		return -EINVAL;
+
 	if (unlikely(ecryptfs_verbosity > 0)) {
 		ecryptfs_printk(KERN_DEBUG, "Key size [%zd]; key:\n",
 				crypt_stat->key_size);
diff --git a/fs/ecryptfs/keystore.c b/fs/ecryptfs/keystore.c
index fa218cd..3f3ec50 100644
--- a/fs/ecryptfs/keystore.c
+++ b/fs/ecryptfs/keystore.c
@@ -1285,7 +1285,7 @@
 		printk(KERN_ERR "Enter w/ first byte != 0x%.2x\n",
 		       ECRYPTFS_TAG_1_PACKET_TYPE);
 		rc = -EINVAL;
-		goto out;
+		goto out_free;
 	}
 	/* Released: wipe_auth_tok_list called in ecryptfs_parse_packet_set or
 	 * at end of function upon failure */
diff --git a/fs/ecryptfs/messaging.c b/fs/ecryptfs/messaging.c
index 4f457d5..26464f9 100644
--- a/fs/ecryptfs/messaging.c
+++ b/fs/ecryptfs/messaging.c
@@ -397,6 +397,7 @@
 					* ecryptfs_message_buf_len),
 				       GFP_KERNEL);
 	if (!ecryptfs_msg_ctx_arr) {
+		kfree(ecryptfs_daemon_hash);
 		rc = -ENOMEM;
 		printk(KERN_ERR "%s: Failed to allocate memory\n", __func__);
 		goto out;
diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c
index c17855f..90beca8 100644
--- a/fs/ext4/dir.c
+++ b/fs/ext4/dir.c
@@ -125,12 +125,14 @@
 		if (err != ERR_BAD_DX_DIR) {
 			return err;
 		}
-		/*
-		 * We don't set the inode dirty flag since it's not
-		 * critical that it get flushed back to the disk.
-		 */
-		ext4_clear_inode_flag(file_inode(file),
-				      EXT4_INODE_INDEX);
+		/* Can we just clear INDEX flag to ignore htree information? */
+		if (!ext4_has_metadata_csum(sb)) {
+			/*
+			 * We don't set the inode dirty flag since it's not
+			 * critical that it gets flushed back to the disk.
+			 */
+			ext4_clear_inode_flag(inode, EXT4_INODE_INDEX);
+		}
 	}
 
 	if (ext4_has_inline_data(inode)) {
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 3c4f2e2..f7d6009 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -1530,8 +1530,11 @@
 	struct ratelimit_state s_warning_ratelimit_state;
 	struct ratelimit_state s_msg_ratelimit_state;
 
-	/* Barrier between changing inodes' journal flags and writepages ops. */
-	struct percpu_rw_semaphore s_journal_flag_rwsem;
+	/*
+	 * Barrier between writepages ops and changing any inode's JOURNAL_DATA
+	 * or EXTENTS flag.
+	 */
+	struct percpu_rw_semaphore s_writepages_rwsem;
 	struct dax_device *s_daxdev;
 };
 
@@ -2384,8 +2387,11 @@
 			struct ext4_filename *fname);
 static inline void ext4_update_dx_flag(struct inode *inode)
 {
-	if (!ext4_has_feature_dir_index(inode->i_sb))
+	if (!ext4_has_feature_dir_index(inode->i_sb)) {
+		/* ext4_iget() should have caught this... */
+		WARN_ON_ONCE(ext4_has_feature_metadata_csum(inode->i_sb));
 		ext4_clear_inode_flag(inode, EXT4_INODE_INDEX);
+	}
 }
 static const unsigned char ext4_filetype_table[] = {
 	DT_UNKNOWN, DT_REG, DT_DIR, DT_CHR, DT_BLK, DT_FIFO, DT_SOCK, DT_LNK
@@ -2862,7 +2868,7 @@
 		     !inode_is_locked(inode));
 	down_write(&EXT4_I(inode)->i_data_sem);
 	if (newsize > EXT4_I(inode)->i_disksize)
-		EXT4_I(inode)->i_disksize = newsize;
+		WRITE_ONCE(EXT4_I(inode)->i_disksize, newsize);
 	up_write(&EXT4_I(inode)->i_data_sem);
 }
 
diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index 4ede0af..acec134 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -38,9 +38,10 @@
 	struct inode *inode = file_inode(iocb->ki_filp);
 	ssize_t ret;
 
-	if (!inode_trylock_shared(inode)) {
-		if (iocb->ki_flags & IOCB_NOWAIT)
+	if (iocb->ki_flags & IOCB_NOWAIT) {
+		if (!inode_trylock_shared(inode))
 			return -EAGAIN;
+	} else {
 		inode_lock_shared(inode);
 	}
 	/*
@@ -188,9 +189,10 @@
 	struct inode *inode = file_inode(iocb->ki_filp);
 	ssize_t ret;
 
-	if (!inode_trylock(inode)) {
-		if (iocb->ki_flags & IOCB_NOWAIT)
+	if (iocb->ki_flags & IOCB_NOWAIT) {
+		if (!inode_trylock(inode))
 			return -EAGAIN;
+	} else {
 		inode_lock(inode);
 	}
 	ret = ext4_write_checks(iocb, from);
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index fde3c8c..ccf3388 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -2577,7 +2577,7 @@
 	 * truncate are avoided by checking i_size under i_data_sem.
 	 */
 	disksize = ((loff_t)mpd->first_page) << PAGE_SHIFT;
-	if (disksize > EXT4_I(inode)->i_disksize) {
+	if (disksize > READ_ONCE(EXT4_I(inode)->i_disksize)) {
 		int err2;
 		loff_t i_size;
 
@@ -2757,7 +2757,7 @@
 	if (unlikely(ext4_forced_shutdown(EXT4_SB(inode->i_sb))))
 		return -EIO;
 
-	percpu_down_read(&sbi->s_journal_flag_rwsem);
+	percpu_down_read(&sbi->s_writepages_rwsem);
 	trace_ext4_writepages(inode, wbc);
 
 	if (dax_mapping(mapping)) {
@@ -2987,7 +2987,7 @@
 out_writepages:
 	trace_ext4_writepages_result(inode, wbc, ret,
 				     nr_to_write - wbc->nr_to_write);
-	percpu_up_read(&sbi->s_journal_flag_rwsem);
+	percpu_up_read(&sbi->s_writepages_rwsem);
 	return ret;
 }
 
@@ -4875,6 +4875,18 @@
 		ret = -EFSCORRUPTED;
 		goto bad_inode;
 	}
+	/*
+	 * If dir_index is not enabled but there's dir with INDEX flag set,
+	 * we'd normally treat htree data as empty space. But with metadata
+	 * checksumming that corrupts checksums so forbid that.
+	 */
+	if (!ext4_has_feature_dir_index(sb) && ext4_has_metadata_csum(sb) &&
+	    ext4_test_inode_flag(inode, EXT4_INODE_INDEX)) {
+		EXT4_ERROR_INODE(inode,
+				 "iget: Dir with htree data on filesystem without dir_index feature.");
+		ret = -EFSCORRUPTED;
+		goto bad_inode;
+	}
 	ei->i_disksize = inode->i_size;
 #ifdef CONFIG_QUOTA
 	ei->i_reserved_quota = 0;
@@ -6096,7 +6108,7 @@
 		}
 	}
 
-	percpu_down_write(&sbi->s_journal_flag_rwsem);
+	percpu_down_write(&sbi->s_writepages_rwsem);
 	jbd2_journal_lock_updates(journal);
 
 	/*
@@ -6113,7 +6125,7 @@
 		err = jbd2_journal_flush(journal);
 		if (err < 0) {
 			jbd2_journal_unlock_updates(journal);
-			percpu_up_write(&sbi->s_journal_flag_rwsem);
+			percpu_up_write(&sbi->s_writepages_rwsem);
 			ext4_inode_resume_unlocked_dio(inode);
 			return err;
 		}
@@ -6122,7 +6134,7 @@
 	ext4_set_aops(inode);
 
 	jbd2_journal_unlock_updates(journal);
-	percpu_up_write(&sbi->s_journal_flag_rwsem);
+	percpu_up_write(&sbi->s_writepages_rwsem);
 
 	if (val)
 		up_write(&EXT4_I(inode)->i_mmap_sem);
diff --git a/fs/ext4/migrate.c b/fs/ext4/migrate.c
index 78d45c7..0d78586 100644
--- a/fs/ext4/migrate.c
+++ b/fs/ext4/migrate.c
@@ -434,6 +434,7 @@
 
 int ext4_ext_migrate(struct inode *inode)
 {
+	struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb);
 	handle_t *handle;
 	int retval = 0, i;
 	__le32 *i_data;
@@ -458,6 +459,8 @@
 		 */
 		return retval;
 
+	percpu_down_write(&sbi->s_writepages_rwsem);
+
 	/*
 	 * Worst case we can touch the allocation bitmaps, a bgd
 	 * block, and a block to link in the orphan list.  We do need
@@ -468,7 +471,7 @@
 
 	if (IS_ERR(handle)) {
 		retval = PTR_ERR(handle);
-		return retval;
+		goto out_unlock;
 	}
 	goal = (((inode->i_ino - 1) / EXT4_INODES_PER_GROUP(inode->i_sb)) *
 		EXT4_INODES_PER_GROUP(inode->i_sb)) + 1;
@@ -479,7 +482,7 @@
 	if (IS_ERR(tmp_inode)) {
 		retval = PTR_ERR(tmp_inode);
 		ext4_journal_stop(handle);
-		return retval;
+		goto out_unlock;
 	}
 	i_size_write(tmp_inode, i_size_read(inode));
 	/*
@@ -521,7 +524,7 @@
 		 */
 		ext4_orphan_del(NULL, tmp_inode);
 		retval = PTR_ERR(handle);
-		goto out;
+		goto out_tmp_inode;
 	}
 
 	ei = EXT4_I(inode);
@@ -602,10 +605,11 @@
 	/* Reset the extent details */
 	ext4_ext_tree_init(handle, tmp_inode);
 	ext4_journal_stop(handle);
-out:
+out_tmp_inode:
 	unlock_new_inode(tmp_inode);
 	iput(tmp_inode);
-
+out_unlock:
+	percpu_up_write(&sbi->s_writepages_rwsem);
 	return retval;
 }
 
@@ -615,7 +619,8 @@
 int ext4_ind_migrate(struct inode *inode)
 {
 	struct ext4_extent_header	*eh;
-	struct ext4_super_block		*es = EXT4_SB(inode->i_sb)->s_es;
+	struct ext4_sb_info		*sbi = EXT4_SB(inode->i_sb);
+	struct ext4_super_block		*es = sbi->s_es;
 	struct ext4_inode_info		*ei = EXT4_I(inode);
 	struct ext4_extent		*ex;
 	unsigned int			i, len;
@@ -639,9 +644,13 @@
 	if (test_opt(inode->i_sb, DELALLOC))
 		ext4_alloc_da_blocks(inode);
 
+	percpu_down_write(&sbi->s_writepages_rwsem);
+
 	handle = ext4_journal_start(inode, EXT4_HT_MIGRATE, 1);
-	if (IS_ERR(handle))
-		return PTR_ERR(handle);
+	if (IS_ERR(handle)) {
+		ret = PTR_ERR(handle);
+		goto out_unlock;
+	}
 
 	down_write(&EXT4_I(inode)->i_data_sem);
 	ret = ext4_ext_check_inode(inode);
@@ -676,5 +685,7 @@
 errout:
 	ext4_journal_stop(handle);
 	up_write(&EXT4_I(inode)->i_data_sem);
+out_unlock:
+	percpu_up_write(&sbi->s_writepages_rwsem);
 	return ret;
 }
diff --git a/fs/ext4/mmp.c b/fs/ext4/mmp.c
index 38e6a84..0c042bd 100644
--- a/fs/ext4/mmp.c
+++ b/fs/ext4/mmp.c
@@ -120,10 +120,10 @@
 {
 	__ext4_warning(sb, function, line, "%s", msg);
 	__ext4_warning(sb, function, line,
-		       "MMP failure info: last update time: %llu, last update "
-		       "node: %s, last update device: %s",
-		       (long long unsigned int) le64_to_cpu(mmp->mmp_time),
-		       mmp->mmp_nodename, mmp->mmp_bdevname);
+		       "MMP failure info: last update time: %llu, last update node: %.*s, last update device: %.*s",
+		       (unsigned long long)le64_to_cpu(mmp->mmp_time),
+		       (int)sizeof(mmp->mmp_nodename), mmp->mmp_nodename,
+		       (int)sizeof(mmp->mmp_bdevname), mmp->mmp_bdevname);
 }
 
 /*
@@ -154,6 +154,7 @@
 	mmp_check_interval = max(EXT4_MMP_CHECK_MULT * mmp_update_interval,
 				 EXT4_MMP_MIN_CHECK_INTERVAL);
 	mmp->mmp_check_interval = cpu_to_le16(mmp_check_interval);
+	BUILD_BUG_ON(sizeof(mmp->mmp_bdevname) < BDEVNAME_SIZE);
 	bdevname(bh->b_bdev, mmp->mmp_bdevname);
 
 	memcpy(mmp->mmp_nodename, init_utsname()->nodename,
@@ -375,7 +376,8 @@
 	/*
 	 * Start a kernel thread to update the MMP block periodically.
 	 */
-	EXT4_SB(sb)->s_mmp_tsk = kthread_run(kmmpd, mmpd_data, "kmmpd-%s",
+	EXT4_SB(sb)->s_mmp_tsk = kthread_run(kmmpd, mmpd_data, "kmmpd-%.*s",
+					     (int)sizeof(mmp->mmp_bdevname),
 					     bdevname(bh->b_bdev,
 						      mmp->mmp_bdevname));
 	if (IS_ERR(EXT4_SB(sb)->s_mmp_tsk)) {
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index e729e4d..8b96896 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -1430,6 +1430,7 @@
 		/*
 		 * We deal with the read-ahead logic here.
 		 */
+		cond_resched();
 		if (ra_ptr >= ra_max) {
 			/* Refill the readahead buffer */
 			ra_ptr = 0;
@@ -2094,6 +2095,13 @@
 		retval = ext4_dx_add_entry(handle, &fname, dir, inode);
 		if (!retval || (retval != ERR_BAD_DX_DIR))
 			goto out;
+		/* Can we just ignore htree data? */
+		if (ext4_has_metadata_csum(sb)) {
+			EXT4_ERROR_INODE(dir,
+				"Directory has corrupted htree index.");
+			retval = -EFSCORRUPTED;
+			goto out;
+		}
 		ext4_clear_inode_flag(dir, EXT4_INODE_INDEX);
 		dx_fallback++;
 		ext4_mark_inode_dirty(handle, dir);
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 3be27e1..d46a484 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -939,7 +939,7 @@
 	percpu_counter_destroy(&sbi->s_freeinodes_counter);
 	percpu_counter_destroy(&sbi->s_dirs_counter);
 	percpu_counter_destroy(&sbi->s_dirtyclusters_counter);
-	percpu_free_rwsem(&sbi->s_journal_flag_rwsem);
+	percpu_free_rwsem(&sbi->s_writepages_rwsem);
 #ifdef CONFIG_QUOTA
 	for (i = 0; i < EXT4_MAXQUOTAS; i++)
 		kfree(get_qf_name(sb, sbi, i));
@@ -2860,17 +2860,11 @@
 		return 0;
 	}
 
-#ifndef CONFIG_QUOTA
-	if (ext4_has_feature_quota(sb) && !readonly) {
+#if !IS_ENABLED(CONFIG_QUOTA) || !IS_ENABLED(CONFIG_QFMT_V2)
+	if (!readonly && (ext4_has_feature_quota(sb) ||
+			  ext4_has_feature_project(sb))) {
 		ext4_msg(sb, KERN_ERR,
-			 "Filesystem with quota feature cannot be mounted RDWR "
-			 "without CONFIG_QUOTA");
-		return 0;
-	}
-	if (ext4_has_feature_project(sb) && !readonly) {
-		ext4_msg(sb, KERN_ERR,
-			 "Filesystem with project quota feature cannot be mounted RDWR "
-			 "without CONFIG_QUOTA");
+			 "The kernel was not built with CONFIG_QUOTA and CONFIG_QFMT_V2");
 		return 0;
 	}
 #endif  /* CONFIG_QUOTA */
@@ -3665,6 +3659,15 @@
 	 */
 	sbi->s_li_wait_mult = EXT4_DEF_LI_WAIT_MULT;
 
+	blocksize = BLOCK_SIZE << le32_to_cpu(es->s_log_block_size);
+	if (blocksize < EXT4_MIN_BLOCK_SIZE ||
+	    blocksize > EXT4_MAX_BLOCK_SIZE) {
+		ext4_msg(sb, KERN_ERR,
+		       "Unsupported filesystem blocksize %d (%d log_block_size)",
+			 blocksize, le32_to_cpu(es->s_log_block_size));
+		goto failed_mount;
+	}
+
 	if (le32_to_cpu(es->s_rev_level) == EXT4_GOOD_OLD_REV) {
 		sbi->s_inode_size = EXT4_GOOD_OLD_INODE_SIZE;
 		sbi->s_first_ino = EXT4_GOOD_OLD_FIRST_INO;
@@ -3682,6 +3685,7 @@
 			ext4_msg(sb, KERN_ERR,
 			       "unsupported inode size: %d",
 			       sbi->s_inode_size);
+			ext4_msg(sb, KERN_ERR, "blocksize: %d", blocksize);
 			goto failed_mount;
 		}
 		/*
@@ -3845,14 +3849,6 @@
 	if (!ext4_feature_set_ok(sb, (sb_rdonly(sb))))
 		goto failed_mount;
 
-	blocksize = BLOCK_SIZE << le32_to_cpu(es->s_log_block_size);
-	if (blocksize < EXT4_MIN_BLOCK_SIZE ||
-	    blocksize > EXT4_MAX_BLOCK_SIZE) {
-		ext4_msg(sb, KERN_ERR,
-		       "Unsupported filesystem blocksize %d (%d log_block_size)",
-			 blocksize, le32_to_cpu(es->s_log_block_size));
-		goto failed_mount;
-	}
 	if (le32_to_cpu(es->s_log_block_size) >
 	    (EXT4_MAX_BLOCK_LOG_SIZE - EXT4_MIN_BLOCK_LOG_SIZE)) {
 		ext4_msg(sb, KERN_ERR,
@@ -4399,7 +4395,7 @@
 		err = percpu_counter_init(&sbi->s_dirtyclusters_counter, 0,
 					  GFP_KERNEL);
 	if (!err)
-		err = percpu_init_rwsem(&sbi->s_journal_flag_rwsem);
+		err = percpu_init_rwsem(&sbi->s_writepages_rwsem);
 
 	if (err) {
 		ext4_msg(sb, KERN_ERR, "insufficient memory");
@@ -4493,7 +4489,7 @@
 	percpu_counter_destroy(&sbi->s_freeinodes_counter);
 	percpu_counter_destroy(&sbi->s_dirs_counter);
 	percpu_counter_destroy(&sbi->s_dirtyclusters_counter);
-	percpu_free_rwsem(&sbi->s_journal_flag_rwsem);
+	percpu_free_rwsem(&sbi->s_writepages_rwsem);
 failed_mount5:
 	ext4_ext_release(sb);
 	ext4_release_system_zone(sb);
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index b745cab..5940232 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -608,10 +608,12 @@
 
 	ret = kobject_init_and_add(&f2fs_feat, &f2fs_feat_ktype,
 				   NULL, "features");
-	if (ret)
+	if (ret) {
+		kobject_put(&f2fs_feat);
 		kset_unregister(&f2fs_kset);
-	else
+	} else {
 		f2fs_proc_root = proc_mkdir("fs/f2fs", NULL);
+	}
 	return ret;
 }
 
@@ -632,8 +634,11 @@
 	init_completion(&sbi->s_kobj_unregister);
 	err = kobject_init_and_add(&sbi->s_kobj, &f2fs_sb_ktype, NULL,
 				"%s", sb->s_id);
-	if (err)
+	if (err) {
+		kobject_put(&sbi->s_kobj);
+		wait_for_completion(&sbi->s_kobj_unregister);
 		return err;
+	}
 
 	if (f2fs_proc_root)
 		sbi->s_proc = proc_mkdir(sb->s_id, f2fs_proc_root);
@@ -658,4 +663,5 @@
 		remove_proc_entry(sbi->sb->s_id, f2fs_proc_root);
 	}
 	kobject_del(&sbi->s_kobj);
+	kobject_put(&sbi->s_kobj);
 }
diff --git a/fs/jbd2/checkpoint.c b/fs/jbd2/checkpoint.c
index fe4fe15..15d129b 100644
--- a/fs/jbd2/checkpoint.c
+++ b/fs/jbd2/checkpoint.c
@@ -168,7 +168,7 @@
 				       "journal space in %s\n", __func__,
 				       journal->j_devname);
 				WARN_ON(1);
-				jbd2_journal_abort(journal, 0);
+				jbd2_journal_abort(journal, -EIO);
 			}
 			write_lock(&journal->j_state_lock);
 		} else {
diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c
index 7dd6133..1a4bd8d 100644
--- a/fs/jbd2/commit.c
+++ b/fs/jbd2/commit.c
@@ -783,7 +783,7 @@
 		err = journal_submit_commit_record(journal, commit_transaction,
 						 &cbh, crc32_sum);
 		if (err)
-			__jbd2_journal_abort_hard(journal);
+			jbd2_journal_abort(journal, err);
 	}
 
 	blk_finish_plug(&plug);
@@ -876,7 +876,7 @@
 		err = journal_submit_commit_record(journal, commit_transaction,
 						&cbh, crc32_sum);
 		if (err)
-			__jbd2_journal_abort_hard(journal);
+			jbd2_journal_abort(journal, err);
 	}
 	if (cbh)
 		err = journal_wait_on_commit_record(journal, cbh);
@@ -973,29 +973,33 @@
 		 * it. */
 
 		/*
-		* A buffer which has been freed while still being journaled by
-		* a previous transaction.
-		*/
-		if (buffer_freed(bh)) {
+		 * A buffer which has been freed while still being journaled
+		 * by a previous transaction, refile the buffer to BJ_Forget of
+		 * the running transaction. If the just committed transaction
+		 * contains "add to orphan" operation, we can completely
+		 * invalidate the buffer now. We are rather through in that
+		 * since the buffer may be still accessible when blocksize <
+		 * pagesize and it is attached to the last partial page.
+		 */
+		if (buffer_freed(bh) && !jh->b_next_transaction) {
+			struct address_space *mapping;
+
+			clear_buffer_freed(bh);
+			clear_buffer_jbddirty(bh);
+
 			/*
-			 * If the running transaction is the one containing
-			 * "add to orphan" operation (b_next_transaction !=
-			 * NULL), we have to wait for that transaction to
-			 * commit before we can really get rid of the buffer.
-			 * So just clear b_modified to not confuse transaction
-			 * credit accounting and refile the buffer to
-			 * BJ_Forget of the running transaction. If the just
-			 * committed transaction contains "add to orphan"
-			 * operation, we can completely invalidate the buffer
-			 * now. We are rather through in that since the
-			 * buffer may be still accessible when blocksize <
-			 * pagesize and it is attached to the last partial
-			 * page.
+			 * Block device buffers need to stay mapped all the
+			 * time, so it is enough to clear buffer_jbddirty and
+			 * buffer_freed bits. For the file mapping buffers (i.e.
+			 * journalled data) we need to unmap buffer and clear
+			 * more bits. We also need to be careful about the check
+			 * because the data page mapping can get cleared under
+			 * out hands, which alse need not to clear more bits
+			 * because the page and buffers will be freed and can
+			 * never be reused once we are done with them.
 			 */
-			jh->b_modified = 0;
-			if (!jh->b_next_transaction) {
-				clear_buffer_freed(bh);
-				clear_buffer_jbddirty(bh);
+			mapping = READ_ONCE(bh->b_page->mapping);
+			if (mapping && !sb_is_blkdev_sb(mapping->host->i_sb)) {
 				clear_buffer_mapped(bh);
 				clear_buffer_new(bh);
 				clear_buffer_req(bh);
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index d3cce5c..6e054b3 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -1687,6 +1687,11 @@
 		       journal->j_devname);
 		return -EFSCORRUPTED;
 	}
+	/*
+	 * clear JBD2_ABORT flag initialized in journal_init_common
+	 * here to update log tail information with the newest seq.
+	 */
+	journal->j_flags &= ~JBD2_ABORT;
 
 	/* OK, we've finished with the dynamic journal bits:
 	 * reinitialise the dynamic contents of the superblock in memory
@@ -1694,7 +1699,6 @@
 	if (journal_reset(journal))
 		goto recovery_error;
 
-	journal->j_flags &= ~JBD2_ABORT;
 	journal->j_flags |= JBD2_LOADED;
 	return 0;
 
@@ -2115,8 +2119,7 @@
 
 	if (journal->j_flags & JBD2_ABORT) {
 		write_unlock(&journal->j_state_lock);
-		if (!old_errno && old_errno != -ESHUTDOWN &&
-		    errno == -ESHUTDOWN)
+		if (old_errno != -ESHUTDOWN && errno == -ESHUTDOWN)
 			jbd2_journal_update_sb_errno(journal);
 		return;
 	}
@@ -2124,12 +2127,10 @@
 
 	__jbd2_journal_abort_hard(journal);
 
-	if (errno) {
-		jbd2_journal_update_sb_errno(journal);
-		write_lock(&journal->j_state_lock);
-		journal->j_flags |= JBD2_REC_ERR;
-		write_unlock(&journal->j_state_lock);
-	}
+	jbd2_journal_update_sb_errno(journal);
+	write_lock(&journal->j_state_lock);
+	journal->j_flags |= JBD2_REC_ERR;
+	write_unlock(&journal->j_state_lock);
 }
 
 /**
@@ -2171,11 +2172,6 @@
  * failure to disk.  ext3_error, for example, now uses this
  * functionality.
  *
- * Errors which originate from within the journaling layer will NOT
- * supply an errno; a null errno implies that absolutely no further
- * writes are done to the journal (unless there are any already in
- * progress).
- *
  */
 
 void jbd2_journal_abort(journal_t *journal, int errno)
diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
index 7fe422e..f2ff141 100644
--- a/fs/jbd2/transaction.c
+++ b/fs/jbd2/transaction.c
@@ -2231,14 +2231,16 @@
 			return -EBUSY;
 		}
 		/*
-		 * OK, buffer won't be reachable after truncate. We just set
-		 * j_next_transaction to the running transaction (if there is
-		 * one) and mark buffer as freed so that commit code knows it
-		 * should clear dirty bits when it is done with the buffer.
+		 * OK, buffer won't be reachable after truncate. We just clear
+		 * b_modified to not confuse transaction credit accounting, and
+		 * set j_next_transaction to the running transaction (if there
+		 * is one) and mark buffer as freed so that commit code knows
+		 * it should clear dirty bits when it is done with the buffer.
 		 */
 		set_buffer_freed(bh);
 		if (journal->j_running_transaction && buffer_jbddirty(bh))
 			jh->b_next_transaction = journal->j_running_transaction;
+		jh->b_modified = 0;
 		jbd2_journal_put_journal_head(jh);
 		spin_unlock(&journal->j_list_lock);
 		jbd_unlock_bh_state(bh);
diff --git a/fs/ocfs2/journal.h b/fs/ocfs2/journal.h
index 497a4171..bfb50fc 100644
--- a/fs/ocfs2/journal.h
+++ b/fs/ocfs2/journal.h
@@ -637,9 +637,11 @@
 {
 	struct ocfs2_inode_info *oi = OCFS2_I(inode);
 
-	oi->i_sync_tid = handle->h_transaction->t_tid;
-	if (datasync)
-		oi->i_datasync_tid = handle->h_transaction->t_tid;
+	if (!is_handle_aborted(handle)) {
+		oi->i_sync_tid = handle->h_transaction->t_tid;
+		if (datasync)
+			oi->i_datasync_tid = handle->h_transaction->t_tid;
+	}
 }
 
 #endif /* OCFS2_JOURNAL_H */
diff --git a/fs/orangefs/orangefs-debugfs.c b/fs/orangefs/orangefs-debugfs.c
index 1c59dff..34d1cc9 100644
--- a/fs/orangefs/orangefs-debugfs.c
+++ b/fs/orangefs/orangefs-debugfs.c
@@ -305,6 +305,7 @@
 
 static void *help_next(struct seq_file *m, void *v, loff_t *pos)
 {
+	(*pos)++;
 	gossip_debug(GOSSIP_DEBUGFS_DEBUG, "help_next: start\n");
 
 	return NULL;
diff --git a/fs/reiserfs/stree.c b/fs/reiserfs/stree.c
index 0037aea..2946713 100644
--- a/fs/reiserfs/stree.c
+++ b/fs/reiserfs/stree.c
@@ -2250,7 +2250,8 @@
 	/* also releases the path */
 	unfix_nodes(&s_ins_balance);
 #ifdef REISERQUOTA_DEBUG
-	reiserfs_debug(th->t_super, REISERFS_DEBUG_CODE,
+	if (inode)
+		reiserfs_debug(th->t_super, REISERFS_DEBUG_CODE,
 		       "reiserquota insert_item(): freeing %u id=%u type=%c",
 		       quota_bytes, inode->i_uid, head2type(ih));
 #endif
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index 5208d85..9caf394 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -1954,7 +1954,7 @@
 		if (!sbi->s_jdev) {
 			SWARN(silent, s, "", "Cannot allocate memory for "
 				"journal device name");
-			goto error;
+			goto error_unlocked;
 		}
 	}
 #ifdef CONFIG_QUOTA
diff --git a/fs/udf/super.c b/fs/udf/super.c
index 242d960..51de276 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -2467,17 +2467,29 @@
 static unsigned int udf_count_free(struct super_block *sb)
 {
 	unsigned int accum = 0;
-	struct udf_sb_info *sbi;
+	struct udf_sb_info *sbi = UDF_SB(sb);
 	struct udf_part_map *map;
+	unsigned int part = sbi->s_partition;
+	int ptype = sbi->s_partmaps[part].s_partition_type;
 
-	sbi = UDF_SB(sb);
+	if (ptype == UDF_METADATA_MAP25) {
+		part = sbi->s_partmaps[part].s_type_specific.s_metadata.
+							s_phys_partition_ref;
+	} else if (ptype == UDF_VIRTUAL_MAP15 || ptype == UDF_VIRTUAL_MAP20) {
+		/*
+		 * Filesystems with VAT are append-only and we cannot write to
+ 		 * them. Let's just report 0 here.
+		 */
+		return 0;
+	}
+
 	if (sbi->s_lvid_bh) {
 		struct logicalVolIntegrityDesc *lvid =
 			(struct logicalVolIntegrityDesc *)
 			sbi->s_lvid_bh->b_data;
-		if (le32_to_cpu(lvid->numOfPartitions) > sbi->s_partition) {
+		if (le32_to_cpu(lvid->numOfPartitions) > part) {
 			accum = le32_to_cpu(
-					lvid->freeSpaceTable[sbi->s_partition]);
+					lvid->freeSpaceTable[part]);
 			if (accum == 0xFFFFFFFF)
 				accum = 0;
 		}
@@ -2486,7 +2498,7 @@
 	if (accum)
 		return accum;
 
-	map = &sbi->s_partmaps[sbi->s_partition];
+	map = &sbi->s_partmaps[part];
 	if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP) {
 		accum += udf_count_free_bitmap(sb,
 					       map->s_uspace.s_bitmap);
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 087cbe7..8089e28 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -677,6 +677,7 @@
  * @fill_align: alignment shift for memset operations
  * @dev_id: unique device ID
  * @dev: struct device reference for dma mapping api
+ * @owner: owner module (automatically set based on the provided dev)
  * @src_addr_widths: bit mask of src addr widths the device supports
  * @dst_addr_widths: bit mask of dst addr widths the device supports
  * @directions: bit mask of slave direction the device supports since
@@ -738,6 +739,7 @@
 
 	int dev_id;
 	struct device *dev;
+	struct module *owner;
 
 	u32 src_addr_widths;
 	u32 dst_addr_widths;
diff --git a/include/linux/intel-svm.h b/include/linux/intel-svm.h
index 99bc5b3..733eaf9 100644
--- a/include/linux/intel-svm.h
+++ b/include/linux/intel-svm.h
@@ -130,7 +130,7 @@
 	BUG();
 }
 
-static int intel_svm_is_pasid_valid(struct device *dev, int pasid)
+static inline int intel_svm_is_pasid_valid(struct device *dev, int pasid)
 {
 	return -EINVAL;
 }
diff --git a/include/linux/libata.h b/include/linux/libata.h
index c5188dc..93838d9 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -1229,6 +1229,7 @@
 };
 
 extern int pci_test_config_bits(struct pci_dev *pdev, const struct pci_bits *bits);
+extern void ata_pci_shutdown_one(struct pci_dev *pdev);
 extern void ata_pci_remove_one(struct pci_dev *pdev);
 
 #ifdef CONFIG_PM
diff --git a/include/linux/list_nulls.h b/include/linux/list_nulls.h
index 3ef9674..1ecd356 100644
--- a/include/linux/list_nulls.h
+++ b/include/linux/list_nulls.h
@@ -72,10 +72,10 @@
 	struct hlist_nulls_node *first = h->first;
 
 	n->next = first;
-	n->pprev = &h->first;
+	WRITE_ONCE(n->pprev, &h->first);
 	h->first = n;
 	if (!is_a_nulls(first))
-		first->pprev = &n->next;
+		WRITE_ONCE(first->pprev, &n->next);
 }
 
 static inline void __hlist_nulls_del(struct hlist_nulls_node *n)
@@ -85,13 +85,13 @@
 
 	WRITE_ONCE(*pprev, next);
 	if (!is_a_nulls(next))
-		next->pprev = pprev;
+		WRITE_ONCE(next->pprev, pprev);
 }
 
 static inline void hlist_nulls_del(struct hlist_nulls_node *n)
 {
 	__hlist_nulls_del(n);
-	n->pprev = LIST_POISON2;
+	WRITE_ONCE(n->pprev, LIST_POISON2);
 }
 
 /**
diff --git a/include/linux/rculist_nulls.h b/include/linux/rculist_nulls.h
index a10da54..cf64a94 100644
--- a/include/linux/rculist_nulls.h
+++ b/include/linux/rculist_nulls.h
@@ -34,7 +34,7 @@
 {
 	if (!hlist_nulls_unhashed(n)) {
 		__hlist_nulls_del(n);
-		n->pprev = NULL;
+		WRITE_ONCE(n->pprev, NULL);
 	}
 }
 
@@ -66,7 +66,7 @@
 static inline void hlist_nulls_del_rcu(struct hlist_nulls_node *n)
 {
 	__hlist_nulls_del(n);
-	n->pprev = LIST_POISON2;
+	WRITE_ONCE(n->pprev, LIST_POISON2);
 }
 
 /**
@@ -94,10 +94,10 @@
 	struct hlist_nulls_node *first = h->first;
 
 	n->next = first;
-	n->pprev = &h->first;
+	WRITE_ONCE(n->pprev, &h->first);
 	rcu_assign_pointer(hlist_nulls_first_rcu(h), n);
 	if (!is_a_nulls(first))
-		first->pprev = &n->next;
+		WRITE_ONCE(first->pprev, &n->next);
 }
 
 /**
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 0cd621d..ead308e 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -224,6 +224,8 @@
 	void (*write_wakeup)(struct tty_port *port);
 };
 
+extern const struct tty_port_client_operations tty_port_default_client_ops;
+
 struct tty_port {
 	struct tty_bufhead	buf;		/* Locked internally */
 	struct tty_struct	*tty;		/* Back pointer */
diff --git a/include/media/v4l2-device.h b/include/media/v4l2-device.h
index 8ffa940..7600241 100644
--- a/include/media/v4l2-device.h
+++ b/include/media/v4l2-device.h
@@ -268,7 +268,7 @@
 		struct v4l2_subdev *__sd;				\
 									\
 		__v4l2_device_call_subdevs_p(v4l2_dev, __sd,		\
-			!(grpid) || __sd->grp_id == (grpid), o, f ,	\
+			(grpid) == 0 || __sd->grp_id == (grpid), o, f ,	\
 			##args);					\
 	} while (0)
 
@@ -280,7 +280,7 @@
 ({									\
 	struct v4l2_subdev *__sd;					\
 	__v4l2_device_call_subdevs_until_err_p(v4l2_dev, __sd,		\
-			!(grpid) || __sd->grp_id == (grpid), o, f ,	\
+			(grpid) == 0 || __sd->grp_id == (grpid), o, f ,	\
 			##args);					\
 })
 
@@ -294,8 +294,8 @@
 		struct v4l2_subdev *__sd;				\
 									\
 		__v4l2_device_call_subdevs_p(v4l2_dev, __sd,		\
-			!(grpmsk) || (__sd->grp_id & (grpmsk)), o, f ,	\
-			##args);					\
+			(grpmsk) == 0 || (__sd->grp_id & (grpmsk)), o,	\
+			f , ##args);					\
 	} while (0)
 
 /*
@@ -308,8 +308,8 @@
 ({									\
 	struct v4l2_subdev *__sd;					\
 	__v4l2_device_call_subdevs_until_err_p(v4l2_dev, __sd,		\
-			!(grpmsk) || (__sd->grp_id & (grpmsk)), o, f ,	\
-			##args);					\
+			(grpmsk) == 0 || (__sd->grp_id & (grpmsk)), o,	\
+			f , ##args);					\
 })
 
 /*
diff --git a/include/scsi/iscsi_proto.h b/include/scsi/iscsi_proto.h
index f0a01a5..df156f1 100644
--- a/include/scsi/iscsi_proto.h
+++ b/include/scsi/iscsi_proto.h
@@ -638,7 +638,6 @@
 #define ISCSI_REASON_BOOKMARK_INVALID	9
 #define ISCSI_REASON_BOOKMARK_NO_RESOURCES	10
 #define ISCSI_REASON_NEGOTIATION_RESET	11
-#define ISCSI_REASON_WAITING_FOR_LOGOUT	12
 
 /* Max. number of Key=Value pairs in a text message */
 #define MAX_KEY_VALUE_PAIRS	8192
diff --git a/include/sound/rawmidi.h b/include/sound/rawmidi.h
index 6665cb2..c2a71fd 100644
--- a/include/sound/rawmidi.h
+++ b/include/sound/rawmidi.h
@@ -92,9 +92,9 @@
 	struct list_head list;		/* list of all substream for given stream */
 	int stream;			/* direction */
 	int number;			/* substream number */
-	unsigned int opened: 1,		/* open flag */
-		     append: 1,		/* append flag (merge more streams) */
-		     active_sensing: 1; /* send active sensing when close */
+	bool opened;			/* open flag */
+	bool append;			/* append flag (merge more streams) */
+	bool active_sensing;		/* send active sensing when close */
 	int use_count;			/* use counter (for output) */
 	size_t bytes;
 	struct snd_rawmidi *rmidi;
diff --git a/ipc/sem.c b/ipc/sem.c
index d6dd2dc..6adc245 100644
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -2248,11 +2248,9 @@
 		ipc_assert_locked_object(&sma->sem_perm);
 		list_del(&un->list_id);
 
-		/* we are the last process using this ulp, acquiring ulp->lock
-		 * isn't required. Besides that, we are also protected against
-		 * IPC_RMID as we hold sma->sem_perm lock now
-		 */
+		spin_lock(&ulp->lock);
 		list_del_rcu(&un->list_proc);
+		spin_unlock(&ulp->lock);
 
 		/* perform adjustments registered in un */
 		for (i = 0; i < sma->sem_nsems; i++) {
diff --git a/kernel/cpu.c b/kernel/cpu.c
index 17a6201..f471deb 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -494,8 +494,7 @@
 	if (WARN_ON_ONCE((!cpu_online(cpu))))
 		return -ECANCELED;
 
-	/* Unpark the stopper thread and the hotplug thread of the target cpu */
-	stop_machine_unpark(cpu);
+	/* Unpark the hotplug thread of the target cpu */
 	kthread_unpark(st->thread);
 
 	/*
@@ -1064,8 +1063,8 @@
 
 /*
  * Called from the idle task. Wake up the controlling task which brings the
- * stopper and the hotplug thread of the upcoming CPU up and then delegates
- * the rest of the online bringup to the hotplug thread.
+ * hotplug thread of the upcoming CPU up and then delegates the rest of the
+ * online bringup to the hotplug thread.
  */
 void cpuhp_online_idle(enum cpuhp_state state)
 {
@@ -1075,6 +1074,12 @@
 	if (state != CPUHP_AP_ONLINE_IDLE)
 		return;
 
+	/*
+	 * Unpart the stopper thread before we start the idle loop (and start
+	 * scheduling); this ensures the stopper task is always available.
+	 */
+	stop_machine_unpark(smp_processor_id());
+
 	st->state = CPUHP_AP_ONLINE_IDLE;
 	complete_ap_thread(st, true);
 }
diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h
index 4ef7f3b..5230c47 100644
--- a/kernel/irq/internals.h
+++ b/kernel/irq/internals.h
@@ -119,8 +119,6 @@
 
 extern bool irq_can_set_affinity_usr(unsigned int irq);
 
-extern int irq_select_affinity_usr(unsigned int irq);
-
 extern void irq_set_thread_affinity(struct irq_desc *desc);
 
 extern int irq_do_set_affinity(struct irq_data *data,
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 9c86a3e..037e8fc1 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -382,23 +382,9 @@
 {
 	return irq_select_affinity(irq_desc_get_irq(desc));
 }
-#endif
+#endif /* CONFIG_AUTO_IRQ_AFFINITY */
+#endif /* CONFIG_SMP */
 
-/*
- * Called when a bogus affinity is set via /proc/irq
- */
-int irq_select_affinity_usr(unsigned int irq)
-{
-	struct irq_desc *desc = irq_to_desc(irq);
-	unsigned long flags;
-	int ret;
-
-	raw_spin_lock_irqsave(&desc->lock, flags);
-	ret = irq_setup_affinity(desc);
-	raw_spin_unlock_irqrestore(&desc->lock, flags);
-	return ret;
-}
-#endif
 
 /**
  *	irq_set_vcpu_affinity - Set vcpu affinity for the interrupt
diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c
index c010cc0..b031db9 100644
--- a/kernel/irq/proc.c
+++ b/kernel/irq/proc.c
@@ -117,6 +117,28 @@
 	return show_irq_affinity(AFFINITY_LIST, m);
 }
 
+#ifndef CONFIG_AUTO_IRQ_AFFINITY
+static inline int irq_select_affinity_usr(unsigned int irq)
+{
+	/*
+	 * If the interrupt is started up already then this fails. The
+	 * interrupt is assigned to an online CPU already. There is no
+	 * point to move it around randomly. Tell user space that the
+	 * selected mask is bogus.
+	 *
+	 * If not then any change to the affinity is pointless because the
+	 * startup code invokes irq_setup_affinity() which will select
+	 * a online CPU anyway.
+	 */
+	return -EINVAL;
+}
+#else
+/* ALPHA magic affinity auto selector. Keep it for historical reasons. */
+static inline int irq_select_affinity_usr(unsigned int irq)
+{
+	return irq_select_affinity(irq);
+}
+#endif
 
 static ssize_t write_irq_affinity(int type, struct file *file,
 		const char __user *buffer, size_t count, loff_t *pos)
diff --git a/kernel/padata.c b/kernel/padata.c
index 87540ce..528a2512 100644
--- a/kernel/padata.c
+++ b/kernel/padata.c
@@ -34,6 +34,8 @@
 
 #define MAX_OBJ_NUM 1000
 
+static void padata_free_pd(struct parallel_data *pd);
+
 static int padata_index_to_cpu(struct parallel_data *pd, int cpu_index)
 {
 	int cpu, target_cpu;
@@ -292,6 +294,7 @@
 	struct padata_serial_queue *squeue;
 	struct parallel_data *pd;
 	LIST_HEAD(local_list);
+	int cnt;
 
 	local_bh_disable();
 	squeue = container_of(serial_work, struct padata_serial_queue, work);
@@ -301,6 +304,8 @@
 	list_replace_init(&squeue->serial.list, &local_list);
 	spin_unlock(&squeue->serial.lock);
 
+	cnt = 0;
+
 	while (!list_empty(&local_list)) {
 		struct padata_priv *padata;
 
@@ -310,9 +315,12 @@
 		list_del_init(&padata->list);
 
 		padata->serial(padata);
-		atomic_dec(&pd->refcnt);
+		cnt++;
 	}
 	local_bh_enable();
+
+	if (atomic_sub_and_test(cnt, &pd->refcnt))
+		padata_free_pd(pd);
 }
 
 /**
@@ -435,7 +443,7 @@
 	setup_timer(&pd->timer, padata_reorder_timer, (unsigned long)pd);
 	atomic_set(&pd->seq_nr, -1);
 	atomic_set(&pd->reorder_objects, 0);
-	atomic_set(&pd->refcnt, 0);
+	atomic_set(&pd->refcnt, 1);
 	pd->pinst = pinst;
 	spin_lock_init(&pd->lock);
 
@@ -460,31 +468,6 @@
 	kfree(pd);
 }
 
-/* Flush all objects out of the padata queues. */
-static void padata_flush_queues(struct parallel_data *pd)
-{
-	int cpu;
-	struct padata_parallel_queue *pqueue;
-	struct padata_serial_queue *squeue;
-
-	for_each_cpu(cpu, pd->cpumask.pcpu) {
-		pqueue = per_cpu_ptr(pd->pqueue, cpu);
-		flush_work(&pqueue->work);
-	}
-
-	del_timer_sync(&pd->timer);
-
-	if (atomic_read(&pd->reorder_objects))
-		padata_reorder(pd);
-
-	for_each_cpu(cpu, pd->cpumask.cbcpu) {
-		squeue = per_cpu_ptr(pd->squeue, cpu);
-		flush_work(&squeue->work);
-	}
-
-	BUG_ON(atomic_read(&pd->refcnt) != 0);
-}
-
 static void __padata_start(struct padata_instance *pinst)
 {
 	pinst->flags |= PADATA_INIT;
@@ -498,10 +481,6 @@
 	pinst->flags &= ~PADATA_INIT;
 
 	synchronize_rcu();
-
-	get_online_cpus();
-	padata_flush_queues(pinst->pd);
-	put_online_cpus();
 }
 
 /* Replace the internal control structure with a new one. */
@@ -522,8 +501,8 @@
 	if (!cpumask_equal(pd_old->cpumask.cbcpu, pd_new->cpumask.cbcpu))
 		notification_mask |= PADATA_CPU_SERIAL;
 
-	padata_flush_queues(pd_old);
-	padata_free_pd(pd_old);
+	if (atomic_dec_and_test(&pd_old->refcnt))
+		padata_free_pd(pd_old);
 
 	if (notification_mask)
 		blocking_notifier_call_chain(&pinst->cpumask_change_notifier,
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 3ec7b69..a5b1645 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -6317,9 +6317,10 @@
 	struct trace_array *tr = m->private;
 	struct trace_pid_list *pid_list = rcu_dereference_sched(tr->function_pids);
 
-	if (v == FTRACE_NO_PIDS)
+	if (v == FTRACE_NO_PIDS) {
+		(*pos)++;
 		return NULL;
-
+	}
 	return trace_pid_next(pid_list, v, pos);
 }
 
diff --git a/kernel/trace/trace_events_trigger.c b/kernel/trace/trace_events_trigger.c
index e2da180..31e91ef 100644
--- a/kernel/trace/trace_events_trigger.c
+++ b/kernel/trace/trace_events_trigger.c
@@ -127,9 +127,10 @@
 {
 	struct trace_event_file *event_file = event_file_data(m->private);
 
-	if (t == SHOW_AVAILABLE_TRIGGERS)
+	if (t == SHOW_AVAILABLE_TRIGGERS) {
+		(*pos)++;
 		return NULL;
-
+	}
 	return seq_list_next(t, &event_file->triggers, pos);
 }
 
diff --git a/kernel/trace/trace_stat.c b/kernel/trace/trace_stat.c
index 75bf1bc..92b76f9e 100644
--- a/kernel/trace/trace_stat.c
+++ b/kernel/trace/trace_stat.c
@@ -278,18 +278,22 @@
 
 	d_tracing = tracing_init_dentry();
 	if (IS_ERR(d_tracing))
-		return 0;
+		return -ENODEV;
 
 	stat_dir = tracefs_create_dir("trace_stat", d_tracing);
-	if (!stat_dir)
+	if (!stat_dir) {
 		pr_warn("Could not create tracefs 'trace_stat' entry\n");
+		return -ENOMEM;
+	}
 	return 0;
 }
 
 static int init_stat_file(struct stat_session *session)
 {
-	if (!stat_dir && tracing_stat_init())
-		return -ENODEV;
+	int ret;
+
+	if (!stat_dir && (ret = tracing_stat_init()))
+		return ret;
 
 	session->file = tracefs_create_file(session->ts->name, 0644,
 					    stat_dir,
@@ -302,7 +306,7 @@
 int register_stat_tracer(struct tracer_stat *trace)
 {
 	struct stat_session *session, *node;
-	int ret;
+	int ret = -EINVAL;
 
 	if (!trace)
 		return -EINVAL;
@@ -313,17 +317,15 @@
 	/* Already registered? */
 	mutex_lock(&all_stat_sessions_mutex);
 	list_for_each_entry(node, &all_stat_sessions, session_list) {
-		if (node->ts == trace) {
-			mutex_unlock(&all_stat_sessions_mutex);
-			return -EINVAL;
-		}
+		if (node->ts == trace)
+			goto out;
 	}
-	mutex_unlock(&all_stat_sessions_mutex);
 
+	ret = -ENOMEM;
 	/* Init the session */
 	session = kzalloc(sizeof(*session), GFP_KERNEL);
 	if (!session)
-		return -ENOMEM;
+		goto out;
 
 	session->ts = trace;
 	INIT_LIST_HEAD(&session->session_list);
@@ -332,15 +334,16 @@
 	ret = init_stat_file(session);
 	if (ret) {
 		destroy_session(session);
-		return ret;
+		goto out;
 	}
 
+	ret = 0;
 	/* Register */
-	mutex_lock(&all_stat_sessions_mutex);
 	list_add_tail(&session->session_list, &all_stat_sessions);
+ out:
 	mutex_unlock(&all_stat_sessions_mutex);
 
-	return 0;
+	return ret;
 }
 
 void unregister_stat_tracer(struct tracer_stat *trace)
diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index 087994b..e4db5d5 100644
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -164,6 +164,8 @@
 
 #ifdef CONFIG_SOFTLOCKUP_DETECTOR
 
+#define SOFTLOCKUP_RESET	ULONG_MAX
+
 /* Global variables, exported for sysctl */
 unsigned int __read_mostly softlockup_panic =
 			CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE;
@@ -271,7 +273,7 @@
 	 * Preemption can be enabled.  It doesn't matter which CPU's timestamp
 	 * gets zeroed here, so use the raw_ operation.
 	 */
-	raw_cpu_write(watchdog_touch_ts, 0);
+	raw_cpu_write(watchdog_touch_ts, SOFTLOCKUP_RESET);
 }
 
 notrace void touch_softlockup_watchdog(void)
@@ -295,14 +297,14 @@
 	 * the softlockup check.
 	 */
 	for_each_cpu(cpu, &watchdog_allowed_mask)
-		per_cpu(watchdog_touch_ts, cpu) = 0;
+		per_cpu(watchdog_touch_ts, cpu) = SOFTLOCKUP_RESET;
 	wq_watchdog_touch(-1);
 }
 
 void touch_softlockup_watchdog_sync(void)
 {
 	__this_cpu_write(softlockup_touch_sync, true);
-	__this_cpu_write(watchdog_touch_ts, 0);
+	__this_cpu_write(watchdog_touch_ts, SOFTLOCKUP_RESET);
 }
 
 static int is_softlockup(unsigned long touch_ts)
@@ -354,7 +356,7 @@
 	/* .. and repeat */
 	hrtimer_forward_now(hrtimer, ns_to_ktime(sample_period));
 
-	if (touch_ts == 0) {
+	if (touch_ts == SOFTLOCKUP_RESET) {
 		if (unlikely(__this_cpu_read(softlockup_touch_sync))) {
 			/*
 			 * If the time stamp was touched atomically
diff --git a/lib/scatterlist.c b/lib/scatterlist.c
index 11fce28..834c846 100644
--- a/lib/scatterlist.c
+++ b/lib/scatterlist.c
@@ -317,7 +317,7 @@
 			if (prv)
 				table->nents = ++table->orig_nents;
 
- 			return -ENOMEM;
+			return -ENOMEM;
 		}
 
 		sg_init_table(sg, alloc_size);
diff --git a/lib/stackdepot.c b/lib/stackdepot.c
index f87d138..759ff41 100644
--- a/lib/stackdepot.c
+++ b/lib/stackdepot.c
@@ -92,15 +92,19 @@
 		return true;
 	if (stack_slabs[depot_index] == NULL) {
 		stack_slabs[depot_index] = *prealloc;
+		*prealloc = NULL;
 	} else {
-		stack_slabs[depot_index + 1] = *prealloc;
+		/* If this is the last depot slab, do not touch the next one. */
+		if (depot_index + 1 < STACK_ALLOC_MAX_SLABS) {
+			stack_slabs[depot_index + 1] = *prealloc;
+			*prealloc = NULL;
+		}
 		/*
 		 * This smp_store_release pairs with smp_load_acquire() from
 		 * |next_slab_inited| above and in depot_save_stack().
 		 */
 		smp_store_release(&next_slab_inited, 1);
 	}
-	*prealloc = NULL;
 	return true;
 }
 
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 0cc3c1e..c6962aa 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2369,10 +2369,13 @@
 			/*
 			 * Scan types proportional to swappiness and
 			 * their relative recent reclaim efficiency.
-			 * Make sure we don't miss the last page
-			 * because of a round-off error.
+			 * Make sure we don't miss the last page on
+			 * the offlined memory cgroups because of a
+			 * round-off error.
 			 */
-			scan = DIV64_U64_ROUND_UP(scan * fraction[file],
+			scan = mem_cgroup_online(memcg) ?
+			       div64_u64(scan * fraction[file], denominator) :
+			       DIV64_U64_ROUND_UP(scan * fraction[file],
 						  denominator);
 			break;
 		case SCAN_FILE:
diff --git a/net/dsa/tag_qca.c b/net/dsa/tag_qca.c
index af3a12a..f268c5c 100644
--- a/net/dsa/tag_qca.c
+++ b/net/dsa/tag_qca.c
@@ -41,7 +41,7 @@
 	struct dsa_slave_priv *p = netdev_priv(dev);
 	u16 *phdr, hdr;
 
-	if (skb_cow_head(skb, 0) < 0)
+	if (skb_cow_head(skb, QCA_HDR_LEN) < 0)
 		return NULL;
 
 	skb_push(skb, QCA_HDR_LEN);
diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c
index fe8e8a1..186f97f 100644
--- a/net/netfilter/xt_hashlimit.c
+++ b/net/netfilter/xt_hashlimit.c
@@ -845,6 +845,8 @@
 	return hashlimit_mt_common(skb, par, hinfo, &info->cfg, 3);
 }
 
+#define HASHLIMIT_MAX_SIZE 1048576
+
 static int hashlimit_mt_check_common(const struct xt_mtchk_param *par,
 				     struct xt_hashlimit_htable **hinfo,
 				     struct hashlimit_cfg3 *cfg,
@@ -855,6 +857,14 @@
 
 	if (cfg->gc_interval == 0 || cfg->expire == 0)
 		return -EINVAL;
+	if (cfg->size > HASHLIMIT_MAX_SIZE) {
+		cfg->size = HASHLIMIT_MAX_SIZE;
+		pr_info_ratelimited("size too large, truncated to %u\n", cfg->size);
+	}
+	if (cfg->max > HASHLIMIT_MAX_SIZE) {
+		cfg->max = HASHLIMIT_MAX_SIZE;
+		pr_info_ratelimited("max too large, truncated to %u\n", cfg->max);
+	}
 	if (par->family == NFPROTO_IPV4) {
 		if (cfg->srcmask > 32 || cfg->dstmask > 32)
 			return -EINVAL;
diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c
index 1879665..80a5a6d 100644
--- a/net/sched/cls_flower.c
+++ b/net/sched/cls_flower.c
@@ -445,6 +445,7 @@
 	[TCA_FLOWER_KEY_IP_TOS_MASK]	= { .type = NLA_U8 },
 	[TCA_FLOWER_KEY_IP_TTL]		= { .type = NLA_U8 },
 	[TCA_FLOWER_KEY_IP_TTL_MASK]	= { .type = NLA_U8 },
+	[TCA_FLOWER_FLAGS]		= { .type = NLA_U32 },
 };
 
 static void fl_set_key_val(struct nlattr **tb,
diff --git a/net/sched/cls_matchall.c b/net/sched/cls_matchall.c
index d8fd152..a985f91 100644
--- a/net/sched/cls_matchall.c
+++ b/net/sched/cls_matchall.c
@@ -136,6 +136,7 @@
 static const struct nla_policy mall_policy[TCA_MATCHALL_MAX + 1] = {
 	[TCA_MATCHALL_UNSPEC]		= { .type = NLA_UNSPEC },
 	[TCA_MATCHALL_CLASSID]		= { .type = NLA_U32 },
+	[TCA_MATCHALL_FLAGS]		= { .type = NLA_U32 },
 };
 
 static int mall_set_parms(struct net *net, struct tcf_proto *tp,
diff --git a/net/smc/smc_diag.c b/net/smc/smc_diag.c
index d2d01cf..576c37d 100644
--- a/net/smc/smc_diag.c
+++ b/net/smc/smc_diag.c
@@ -38,15 +38,14 @@
 {
 	struct smc_sock *smc = smc_sk(sk);
 
+	memset(r, 0, sizeof(*r));
 	r->diag_family = sk->sk_family;
+	sock_diag_save_cookie(sk, r->id.idiag_cookie);
 	if (!smc->clcsock)
 		return;
 	r->id.idiag_sport = htons(smc->clcsock->sk->sk_num);
 	r->id.idiag_dport = smc->clcsock->sk->sk_dport;
 	r->id.idiag_if = smc->clcsock->sk->sk_bound_dev_if;
-	sock_diag_save_cookie(sk, r->id.idiag_cookie);
-	memset(&r->id.idiag_src, 0, sizeof(r->id.idiag_src));
-	memset(&r->id.idiag_dst, 0, sizeof(r->id.idiag_dst));
 	r->id.idiag_src[0] = smc->clcsock->sk->sk_rcv_saddr;
 	r->id.idiag_dst[0] = smc->clcsock->sk->sk_daddr;
 }
diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index 27aac27..fa423fc 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -1238,7 +1238,7 @@
 
 		sym_calc_value(csym);
 		if (mode == def_random)
-			has_changed = randomize_choice_values(csym);
+			has_changed |= randomize_choice_values(csym);
 		else {
 			set_all_choice_values(csym);
 			has_changed = true;
diff --git a/security/selinux/avc.c b/security/selinux/avc.c
index 2380b8d..23f387b 100644
--- a/security/selinux/avc.c
+++ b/security/selinux/avc.c
@@ -863,7 +863,7 @@
 	if (orig->ae.xp_node) {
 		rc = avc_xperms_populate(node, orig->ae.xp_node);
 		if (rc) {
-			kmem_cache_free(avc_node_cachep, node);
+			avc_node_kill(node);
 			goto out_unlock;
 		}
 	}
diff --git a/sound/core/control.c b/sound/core/control.c
index 36571cd..a0ce221 100644
--- a/sound/core/control.c
+++ b/sound/core/control.c
@@ -1467,8 +1467,9 @@
 	if (kctl->tlv.c == NULL)
 		return -ENXIO;
 
-	/* When locked, this is unavailable. */
-	if (vd->owner != NULL && vd->owner != file)
+	/* Write and command operations are not allowed for locked element. */
+	if (op_flag != SNDRV_CTL_TLV_OP_READ &&
+	    vd->owner != NULL && vd->owner != file)
 		return -EPERM;
 
 	return kctl->tlv.c(kctl, op_flag, size, buf);
diff --git a/sound/core/seq/seq_clientmgr.c b/sound/core/seq/seq_clientmgr.c
index 92b0d45..6fe93d5 100644
--- a/sound/core/seq/seq_clientmgr.c
+++ b/sound/core/seq/seq_clientmgr.c
@@ -564,7 +564,7 @@
 	event->queue = queue;
 	event->flags &= ~SNDRV_SEQ_TIME_STAMP_MASK;
 	if (real_time) {
-		event->time.time = snd_seq_timer_get_cur_time(q->timer);
+		event->time.time = snd_seq_timer_get_cur_time(q->timer, true);
 		event->flags |= SNDRV_SEQ_TIME_STAMP_REAL;
 	} else {
 		event->time.tick = snd_seq_timer_get_cur_tick(q->timer);
@@ -1639,7 +1639,7 @@
 	tmr = queue->timer;
 	status->events = queue->tickq->cells + queue->timeq->cells;
 
-	status->time = snd_seq_timer_get_cur_time(tmr);
+	status->time = snd_seq_timer_get_cur_time(tmr, true);
 	status->tick = snd_seq_timer_get_cur_tick(tmr);
 
 	status->running = tmr->running;
diff --git a/sound/core/seq/seq_queue.c b/sound/core/seq/seq_queue.c
index 1a6dc4ff..ea1aa07 100644
--- a/sound/core/seq/seq_queue.c
+++ b/sound/core/seq/seq_queue.c
@@ -261,6 +261,8 @@
 {
 	unsigned long flags;
 	struct snd_seq_event_cell *cell;
+	snd_seq_tick_time_t cur_tick;
+	snd_seq_real_time_t cur_time;
 
 	if (q == NULL)
 		return;
@@ -277,17 +279,18 @@
 
       __again:
 	/* Process tick queue... */
+	cur_tick = snd_seq_timer_get_cur_tick(q->timer);
 	for (;;) {
-		cell = snd_seq_prioq_cell_out(q->tickq,
-					      &q->timer->tick.cur_tick);
+		cell = snd_seq_prioq_cell_out(q->tickq, &cur_tick);
 		if (!cell)
 			break;
 		snd_seq_dispatch_event(cell, atomic, hop);
 	}
 
 	/* Process time queue... */
+	cur_time = snd_seq_timer_get_cur_time(q->timer, false);
 	for (;;) {
-		cell = snd_seq_prioq_cell_out(q->timeq, &q->timer->cur_time);
+		cell = snd_seq_prioq_cell_out(q->timeq, &cur_time);
 		if (!cell)
 			break;
 		snd_seq_dispatch_event(cell, atomic, hop);
@@ -415,6 +418,7 @@
 int snd_seq_queue_set_owner(int queueid, int client, int locked)
 {
 	struct snd_seq_queue *q = queueptr(queueid);
+	unsigned long flags;
 
 	if (q == NULL)
 		return -EINVAL;
@@ -424,8 +428,10 @@
 		return -EPERM;
 	}
 
+	spin_lock_irqsave(&q->owner_lock, flags);
 	q->locked = locked ? 1 : 0;
 	q->owner = client;
+	spin_unlock_irqrestore(&q->owner_lock, flags);
 	queue_access_unlock(q);
 	queuefree(q);
 
@@ -564,15 +570,17 @@
 	unsigned long flags;
 	int i;
 	struct snd_seq_queue *q;
+	bool matched;
 
 	for (i = 0; i < SNDRV_SEQ_MAX_QUEUES; i++) {
 		if ((q = queueptr(i)) == NULL)
 			continue;
 		spin_lock_irqsave(&q->owner_lock, flags);
-		if (q->owner == client)
+		matched = (q->owner == client);
+		if (matched)
 			q->klocked = 1;
 		spin_unlock_irqrestore(&q->owner_lock, flags);
-		if (q->owner == client) {
+		if (matched) {
 			if (q->timer->running)
 				snd_seq_timer_stop(q->timer);
 			snd_seq_timer_reset(q->timer);
@@ -764,6 +772,8 @@
 	int i, bpm;
 	struct snd_seq_queue *q;
 	struct snd_seq_timer *tmr;
+	bool locked;
+	int owner;
 
 	for (i = 0; i < SNDRV_SEQ_MAX_QUEUES; i++) {
 		if ((q = queueptr(i)) == NULL)
@@ -775,9 +785,14 @@
 		else
 			bpm = 0;
 
+		spin_lock_irq(&q->owner_lock);
+		locked = q->locked;
+		owner = q->owner;
+		spin_unlock_irq(&q->owner_lock);
+
 		snd_iprintf(buffer, "queue %d: [%s]\n", q->queue, q->name);
-		snd_iprintf(buffer, "owned by client    : %d\n", q->owner);
-		snd_iprintf(buffer, "lock status        : %s\n", q->locked ? "Locked" : "Free");
+		snd_iprintf(buffer, "owned by client    : %d\n", owner);
+		snd_iprintf(buffer, "lock status        : %s\n", locked ? "Locked" : "Free");
 		snd_iprintf(buffer, "queued time events : %d\n", snd_seq_prioq_avail(q->timeq));
 		snd_iprintf(buffer, "queued tick events : %d\n", snd_seq_prioq_avail(q->tickq));
 		snd_iprintf(buffer, "timer state        : %s\n", tmr->running ? "Running" : "Stopped");
diff --git a/sound/core/seq/seq_timer.c b/sound/core/seq/seq_timer.c
index 0e1feb5..bd5e5a5d 100644
--- a/sound/core/seq/seq_timer.c
+++ b/sound/core/seq/seq_timer.c
@@ -436,14 +436,15 @@
 }
 
 /* return current 'real' time. use timeofday() to get better granularity. */
-snd_seq_real_time_t snd_seq_timer_get_cur_time(struct snd_seq_timer *tmr)
+snd_seq_real_time_t snd_seq_timer_get_cur_time(struct snd_seq_timer *tmr,
+					       bool adjust_ktime)
 {
 	snd_seq_real_time_t cur_time;
 	unsigned long flags;
 
 	spin_lock_irqsave(&tmr->lock, flags);
 	cur_time = tmr->cur_time;
-	if (tmr->running) { 
+	if (adjust_ktime && tmr->running) {
 		struct timespec64 tm;
 
 		ktime_get_ts64(&tm);
@@ -460,7 +461,13 @@
  high PPQ values) */
 snd_seq_tick_time_t snd_seq_timer_get_cur_tick(struct snd_seq_timer *tmr)
 {
-	return tmr->tick.cur_tick;
+	snd_seq_tick_time_t cur_tick;
+	unsigned long flags;
+
+	spin_lock_irqsave(&tmr->lock, flags);
+	cur_tick = tmr->tick.cur_tick;
+	spin_unlock_irqrestore(&tmr->lock, flags);
+	return cur_tick;
 }
 
 
diff --git a/sound/core/seq/seq_timer.h b/sound/core/seq/seq_timer.h
index 9506b66..5d47d55 100644
--- a/sound/core/seq/seq_timer.h
+++ b/sound/core/seq/seq_timer.h
@@ -135,7 +135,8 @@
 int snd_seq_timer_set_position_tick(struct snd_seq_timer *tmr, snd_seq_tick_time_t position);
 int snd_seq_timer_set_position_time(struct snd_seq_timer *tmr, snd_seq_real_time_t position);
 int snd_seq_timer_set_skew(struct snd_seq_timer *tmr, unsigned int skew, unsigned int base);
-snd_seq_real_time_t snd_seq_timer_get_cur_time(struct snd_seq_timer *tmr);
+snd_seq_real_time_t snd_seq_timer_get_cur_time(struct snd_seq_timer *tmr,
+					       bool adjust_ktime);
 snd_seq_tick_time_t snd_seq_timer_get_cur_tick(struct snd_seq_timer *tmr);
 
 extern int seq_default_timer_class;
diff --git a/sound/hda/hdmi_chmap.c b/sound/hda/hdmi_chmap.c
index f21633c..acbe61b 100644
--- a/sound/hda/hdmi_chmap.c
+++ b/sound/hda/hdmi_chmap.c
@@ -249,7 +249,7 @@
 
 	for (i = 0, j = 0; i < ARRAY_SIZE(cea_speaker_allocation_names); i++) {
 		if (spk_alloc & (1 << i))
-			j += snprintf(buf + j, buflen - j,  " %s",
+			j += scnprintf(buf + j, buflen - j,  " %s",
 					cea_speaker_allocation_names[i]);
 	}
 	buf[j] = '\0';	/* necessary when j == 0 */
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index e3f3351..a6f7561 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -4002,7 +4002,7 @@
 
 	for (i = 0, j = 0; i < ARRAY_SIZE(bits); i++)
 		if (pcm & (AC_SUPPCM_BITS_8 << i))
-			j += snprintf(buf + j, buflen - j,  " %d", bits[i]);
+			j += scnprintf(buf + j, buflen - j,  " %d", bits[i]);
 
 	buf[j] = '\0'; /* necessary when j == 0 */
 }
diff --git a/sound/pci/hda/hda_eld.c b/sound/pci/hda/hda_eld.c
index ba7fe9b..864cc8c 100644
--- a/sound/pci/hda/hda_eld.c
+++ b/sound/pci/hda/hda_eld.c
@@ -373,7 +373,7 @@
 
 	for (i = 0, j = 0; i < ARRAY_SIZE(alsa_rates); i++)
 		if (pcm & (1 << i))
-			j += snprintf(buf + j, buflen - j,  " %d",
+			j += scnprintf(buf + j, buflen - j,  " %d",
 				alsa_rates[i]);
 
 	buf[j] = '\0'; /* necessary when j == 0 */
diff --git a/sound/pci/hda/hda_sysfs.c b/sound/pci/hda/hda_sysfs.c
index 9b7efec..2a173de 100644
--- a/sound/pci/hda/hda_sysfs.c
+++ b/sound/pci/hda/hda_sysfs.c
@@ -221,7 +221,7 @@
 	mutex_lock(&codec->user_mutex);
 	for (i = 0; i < codec->init_verbs.used; i++) {
 		struct hda_verb *v = snd_array_elem(&codec->init_verbs, i);
-		len += snprintf(buf + len, PAGE_SIZE - len,
+		len += scnprintf(buf + len, PAGE_SIZE - len,
 				"0x%02x 0x%03x 0x%04x\n",
 				v->nid, v->verb, v->param);
 	}
@@ -271,7 +271,7 @@
 	mutex_lock(&codec->user_mutex);
 	for (i = 0; i < codec->hints.used; i++) {
 		struct hda_hint *hint = snd_array_elem(&codec->hints, i);
-		len += snprintf(buf + len, PAGE_SIZE - len,
+		len += scnprintf(buf + len, PAGE_SIZE - len,
 				"%s = %s\n", hint->key, hint->val);
 	}
 	mutex_unlock(&codec->user_mutex);
diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index 382b6d2..9cc9304 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -969,6 +969,7 @@
 	SND_PCI_QUIRK(0x17aa, 0x215f, "Lenovo T510", CXT_PINCFG_LENOVO_TP410),