Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from David Miller:
1) Validate tunnel options length in act_tunnel_key, from Xin Long.
2) Fix DMA sync bug in gve driver, from Adi Suresh.
3) TSO kills performance on some r8169 chips due to HW issues, disable
by default in that case, from Corinna Vinschen.
4) Fix clock disable mismatch in fec driver, from Chubong Yuan.
5) Fix interrupt status bits define in hns3 driver, from Huazhong Tan.
6) Fix workqueue deadlocks in qeth driver, from Julian Wiedmann.
7) Don't napi_disable() twice in r8152 driver, from Hayes Wang.
8) Fix SKB extension memory leak, from Florian Westphal.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (54 commits)
r8152: avoid to call napi_disable twice
MAINTAINERS: Add myself as maintainer of virtio-vsock
udp: drop skb extensions before marking skb stateless
net: rtnetlink: prevent underflows in do_setvfinfo()
can: m_can_platform: remove unnecessary m_can_class_resume() call
can: m_can_platform: set net_device structure as driver data
hv_netvsc: Fix send_table offset in case of a host bug
hv_netvsc: Fix offset usage in netvsc_send_table()
net-ipv6: IPV6_TRANSPARENT - check NET_RAW prior to NET_ADMIN
sfc: Only cancel the PPS workqueue if it exists
nfc: port100: handle command failure cleanly
net-sysfs: fix netdev_queue_add_kobject() breakage
r8152: Re-order napi_disable in rtl8152_close
net: qca_spi: Move reset_count to struct qcaspi
net: qca_spi: fix receive buffer size check
net/ibmvnic: Ignore H_FUNCTION return from H_EOI to tolerate XIVE mode
Revert "net/ibmvnic: Fix EOI when running in XIVE mode"
net/mlxfw: Verify FSM error code translation doesn't exceed array size
net/mlx5: Update the list of the PCI supported devices
net/mlx5: Fix auto group size calculation
...
diff --git a/MAINTAINERS b/MAINTAINERS
index 077c4ba..9d3a5c5 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -8298,11 +8298,14 @@
INTEL IOMMU (VT-d)
M: David Woodhouse <dwmw2@infradead.org>
+M: Lu Baolu <baolu.lu@linux.intel.com>
L: iommu@lists.linux-foundation.org
-T: git git://git.infradead.org/iommu-2.6.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git
S: Supported
-F: drivers/iommu/intel-iommu.c
+F: drivers/iommu/dmar.c
+F: drivers/iommu/intel*.[ch]
F: include/linux/intel-iommu.h
+F: include/linux/intel-svm.h
INTEL IOP-ADMA DMA DRIVER
R: Dan Williams <dan.j.williams@intel.com>
diff --git a/Makefile b/Makefile
index 42bfda2..9cd2891 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@
VERSION = 5
PATCHLEVEL = 4
SUBLEVEL = 0
-EXTRAVERSION = -rc7
+EXTRAVERSION = -rc8
NAME = Kleptomaniac Octopus
# *DOCUMENTATION*
diff --git a/arch/arm64/include/asm/asm-uaccess.h b/arch/arm64/include/asm/asm-uaccess.h
index 5bf9638..c764cc8 100644
--- a/arch/arm64/include/asm/asm-uaccess.h
+++ b/arch/arm64/include/asm/asm-uaccess.h
@@ -59,23 +59,6 @@ alternative_else_nop_endif
#endif
/*
- * These macros are no-ops when UAO is present.
- */
- .macro uaccess_disable_not_uao, tmp1, tmp2
- uaccess_ttbr0_disable \tmp1, \tmp2
-alternative_if ARM64_ALT_PAN_NOT_UAO
- SET_PSTATE_PAN(1)
-alternative_else_nop_endif
- .endm
-
- .macro uaccess_enable_not_uao, tmp1, tmp2, tmp3
- uaccess_ttbr0_enable \tmp1, \tmp2, \tmp3
-alternative_if ARM64_ALT_PAN_NOT_UAO
- SET_PSTATE_PAN(0)
-alternative_else_nop_endif
- .endm
-
-/*
* Remove the address tag from a virtual address, if present.
*/
.macro untagged_addr, dst, addr
diff --git a/arch/arm64/include/asm/uaccess.h b/arch/arm64/include/asm/uaccess.h
index 097d6bf..127712b 100644
--- a/arch/arm64/include/asm/uaccess.h
+++ b/arch/arm64/include/asm/uaccess.h
@@ -378,20 +378,34 @@ do { \
extern unsigned long __must_check __arch_copy_from_user(void *to, const void __user *from, unsigned long n);
#define raw_copy_from_user(to, from, n) \
({ \
- __arch_copy_from_user((to), __uaccess_mask_ptr(from), (n)); \
+ unsigned long __acfu_ret; \
+ uaccess_enable_not_uao(); \
+ __acfu_ret = __arch_copy_from_user((to), \
+ __uaccess_mask_ptr(from), (n)); \
+ uaccess_disable_not_uao(); \
+ __acfu_ret; \
})
extern unsigned long __must_check __arch_copy_to_user(void __user *to, const void *from, unsigned long n);
#define raw_copy_to_user(to, from, n) \
({ \
- __arch_copy_to_user(__uaccess_mask_ptr(to), (from), (n)); \
+ unsigned long __actu_ret; \
+ uaccess_enable_not_uao(); \
+ __actu_ret = __arch_copy_to_user(__uaccess_mask_ptr(to), \
+ (from), (n)); \
+ uaccess_disable_not_uao(); \
+ __actu_ret; \
})
extern unsigned long __must_check __arch_copy_in_user(void __user *to, const void __user *from, unsigned long n);
#define raw_copy_in_user(to, from, n) \
({ \
- __arch_copy_in_user(__uaccess_mask_ptr(to), \
- __uaccess_mask_ptr(from), (n)); \
+ unsigned long __aciu_ret; \
+ uaccess_enable_not_uao(); \
+ __aciu_ret = __arch_copy_in_user(__uaccess_mask_ptr(to), \
+ __uaccess_mask_ptr(from), (n)); \
+ uaccess_disable_not_uao(); \
+ __aciu_ret; \
})
#define INLINE_COPY_TO_USER
@@ -400,8 +414,11 @@ extern unsigned long __must_check __arch_copy_in_user(void __user *to, const voi
extern unsigned long __must_check __arch_clear_user(void __user *to, unsigned long n);
static inline unsigned long __must_check __clear_user(void __user *to, unsigned long n)
{
- if (access_ok(to, n))
+ if (access_ok(to, n)) {
+ uaccess_enable_not_uao();
n = __arch_clear_user(__uaccess_mask_ptr(to), n);
+ uaccess_disable_not_uao();
+ }
return n;
}
#define clear_user __clear_user
diff --git a/arch/arm64/lib/clear_user.S b/arch/arm64/lib/clear_user.S
index 1041557..aeafc03 100644
--- a/arch/arm64/lib/clear_user.S
+++ b/arch/arm64/lib/clear_user.S
@@ -20,7 +20,6 @@
* Alignment fixed up by hardware.
*/
ENTRY(__arch_clear_user)
- uaccess_enable_not_uao x2, x3, x4
mov x2, x1 // save the size for fixup return
subs x1, x1, #8
b.mi 2f
@@ -40,7 +39,6 @@
b.mi 5f
uao_user_alternative 9f, strb, sttrb, wzr, x0, 0
5: mov x0, #0
- uaccess_disable_not_uao x2, x3
ret
ENDPROC(__arch_clear_user)
EXPORT_SYMBOL(__arch_clear_user)
diff --git a/arch/arm64/lib/copy_from_user.S b/arch/arm64/lib/copy_from_user.S
index 680e744..ebb3c06 100644
--- a/arch/arm64/lib/copy_from_user.S
+++ b/arch/arm64/lib/copy_from_user.S
@@ -54,10 +54,8 @@
end .req x5
ENTRY(__arch_copy_from_user)
- uaccess_enable_not_uao x3, x4, x5
add end, x0, x2
#include "copy_template.S"
- uaccess_disable_not_uao x3, x4
mov x0, #0 // Nothing to copy
ret
ENDPROC(__arch_copy_from_user)
diff --git a/arch/arm64/lib/copy_in_user.S b/arch/arm64/lib/copy_in_user.S
index 0bedae3..3d8153a 100644
--- a/arch/arm64/lib/copy_in_user.S
+++ b/arch/arm64/lib/copy_in_user.S
@@ -56,10 +56,8 @@
end .req x5
ENTRY(__arch_copy_in_user)
- uaccess_enable_not_uao x3, x4, x5
add end, x0, x2
#include "copy_template.S"
- uaccess_disable_not_uao x3, x4
mov x0, #0
ret
ENDPROC(__arch_copy_in_user)
diff --git a/arch/arm64/lib/copy_to_user.S b/arch/arm64/lib/copy_to_user.S
index 2d88c73..357eae2 100644
--- a/arch/arm64/lib/copy_to_user.S
+++ b/arch/arm64/lib/copy_to_user.S
@@ -53,10 +53,8 @@
end .req x5
ENTRY(__arch_copy_to_user)
- uaccess_enable_not_uao x3, x4, x5
add end, x0, x2
#include "copy_template.S"
- uaccess_disable_not_uao x3, x4
mov x0, #0
ret
ENDPROC(__arch_copy_to_user)
diff --git a/arch/arm64/lib/uaccess_flushcache.c b/arch/arm64/lib/uaccess_flushcache.c
index cbfcbe6..bfa30b7 100644
--- a/arch/arm64/lib/uaccess_flushcache.c
+++ b/arch/arm64/lib/uaccess_flushcache.c
@@ -28,7 +28,11 @@ void memcpy_page_flushcache(char *to, struct page *page, size_t offset,
unsigned long __copy_user_flushcache(void *to, const void __user *from,
unsigned long n)
{
- unsigned long rc = __arch_copy_from_user(to, from, n);
+ unsigned long rc;
+
+ uaccess_enable_not_uao();
+ rc = __arch_copy_from_user(to, from, n);
+ uaccess_disable_not_uao();
/* See above */
__clean_dcache_area_pop(to, n - rc);
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index a94ee45..19e7599 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -993,6 +993,7 @@ static struct socket *nbd_get_socket(struct nbd_device *nbd, unsigned long fd,
if (sock->ops->shutdown == sock_no_shutdown) {
dev_err(disk_to_dev(nbd->disk), "Unsupported socket: shutdown callout must be supported.\n");
*err = -EINVAL;
+ sockfd_put(sock);
return NULL;
}
diff --git a/drivers/gpio/gpio-bd70528.c b/drivers/gpio/gpio-bd70528.c
index 0c1ead1..4ba4d4a 100644
--- a/drivers/gpio/gpio-bd70528.c
+++ b/drivers/gpio/gpio-bd70528.c
@@ -25,13 +25,13 @@ static int bd70528_set_debounce(struct bd70528_gpio *bdgpio,
case 0:
val = BD70528_DEBOUNCE_DISABLE;
break;
- case 1 ... 15:
+ case 1 ... 15000:
val = BD70528_DEBOUNCE_15MS;
break;
- case 16 ... 30:
+ case 15001 ... 30000:
val = BD70528_DEBOUNCE_30MS;
break;
- case 31 ... 50:
+ case 30001 ... 50000:
val = BD70528_DEBOUNCE_50MS;
break;
default:
diff --git a/drivers/gpio/gpio-max77620.c b/drivers/gpio/gpio-max77620.c
index faf86ea9..642c6321c 100644
--- a/drivers/gpio/gpio-max77620.c
+++ b/drivers/gpio/gpio-max77620.c
@@ -192,13 +192,13 @@ static int max77620_gpio_set_debounce(struct max77620_gpio *mgpio,
case 0:
val = MAX77620_CNFG_GPIO_DBNC_None;
break;
- case 1000 ... 8000:
+ case 1 ... 8000:
val = MAX77620_CNFG_GPIO_DBNC_8ms;
break;
- case 9000 ... 16000:
+ case 8001 ... 16000:
val = MAX77620_CNFG_GPIO_DBNC_16ms;
break;
- case 17000 ... 32000:
+ case 16001 ... 32000:
val = MAX77620_CNFG_GPIO_DBNC_32ms;
break;
default:
diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c
index 609ed16..59ccfd2 100644
--- a/drivers/gpio/gpiolib-acpi.c
+++ b/drivers/gpio/gpiolib-acpi.c
@@ -1304,11 +1304,28 @@ late_initcall_sync(acpi_gpio_handle_deferred_request_irqs);
static const struct dmi_system_id run_edge_events_on_boot_blacklist[] = {
{
+ /*
+ * The Minix Neo Z83-4 has a micro-USB-B id-pin handler for
+ * a non existing micro-USB-B connector which puts the HDMI
+ * DDC pins in GPIO mode, breaking HDMI support.
+ */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "MINIX"),
DMI_MATCH(DMI_PRODUCT_NAME, "Z83-4"),
}
},
+ {
+ /*
+ * The Terra Pad 1061 has a micro-USB-B id-pin handler, which
+ * instead of controlling the actual micro-USB-B turns the 5V
+ * boost for its USB-A connector off. The actual micro-USB-B
+ * connector is wired for charging only.
+ */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Wortmann_AG"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "TERRA_PAD_1061"),
+ }
+ },
{} /* Terminating entry */
};
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
index 1d4aaa9..82efc1e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
@@ -511,7 +511,7 @@ uint32_t amdgpu_display_supported_domains(struct amdgpu_device *adev,
* Also, don't allow GTT domain if the BO doens't have USWC falg set.
*/
if (adev->asic_type >= CHIP_CARRIZO &&
- adev->asic_type <= CHIP_RAVEN &&
+ adev->asic_type < CHIP_RAVEN &&
(adev->flags & AMD_IS_APU) &&
(bo_flags & AMDGPU_GEM_CREATE_CPU_GTT_USWC) &&
amdgpu_bo_support_uswc(bo_flags) &&
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index e1c1572..b19157b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -1013,10 +1013,10 @@ static const struct pci_device_id pciidlist[] = {
{0x1002, 0x731B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_NAVI10},
{0x1002, 0x731F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_NAVI10},
/* Navi14 */
- {0x1002, 0x7340, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_NAVI14|AMD_EXP_HW_SUPPORT},
- {0x1002, 0x7341, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_NAVI14|AMD_EXP_HW_SUPPORT},
- {0x1002, 0x7347, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_NAVI14|AMD_EXP_HW_SUPPORT},
- {0x1002, 0x734F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_NAVI14|AMD_EXP_HW_SUPPORT},
+ {0x1002, 0x7340, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_NAVI14},
+ {0x1002, 0x7341, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_NAVI14},
+ {0x1002, 0x7347, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_NAVI14},
+ {0x1002, 0x734F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_NAVI14},
/* Renoir */
{0x1002, 0x1636, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RENOIR|AMD_IS_APU|AMD_EXP_HW_SUPPORT},
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index a042ef4..a732067 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -649,15 +649,19 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
return -ENOMEM;
alloc_size = info->read_mmr_reg.count * sizeof(*regs);
- for (i = 0; i < info->read_mmr_reg.count; i++)
+ amdgpu_gfx_off_ctrl(adev, false);
+ for (i = 0; i < info->read_mmr_reg.count; i++) {
if (amdgpu_asic_read_register(adev, se_num, sh_num,
info->read_mmr_reg.dword_offset + i,
®s[i])) {
DRM_DEBUG_KMS("unallowed offset %#x\n",
info->read_mmr_reg.dword_offset + i);
kfree(regs);
+ amdgpu_gfx_off_ctrl(adev, true);
return -EFAULT;
}
+ }
+ amdgpu_gfx_off_ctrl(adev, true);
n = copy_to_user(out, regs, min(size, alloc_size));
kfree(regs);
return n ? -EFAULT : 0;
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index dfca83a..97cf0b5 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -1038,8 +1038,13 @@ static void gfx_v9_0_check_if_need_gfxoff(struct amdgpu_device *adev)
case CHIP_VEGA20:
break;
case CHIP_RAVEN:
- if (!(adev->rev_id >= 0x8 || adev->pdev->device == 0x15d8)
- &&((adev->gfx.rlc_fw_version != 106 &&
+ /* Disable GFXOFF on original raven. There are combinations
+ * of sbios and platforms that are not stable.
+ */
+ if (!(adev->rev_id >= 0x8 || adev->pdev->device == 0x15d8))
+ adev->pm.pp_feature &= ~PP_GFXOFF_MASK;
+ else if (!(adev->rev_id >= 0x8 || adev->pdev->device == 0x15d8)
+ &&((adev->gfx.rlc_fw_version != 106 &&
adev->gfx.rlc_fw_version < 531) ||
(adev->gfx.rlc_fw_version == 53815) ||
(adev->gfx.rlc_feature_version < 1) ||
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index a52f0b1..4139f12 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -688,7 +688,7 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
*/
if (adev->flags & AMD_IS_APU &&
adev->asic_type >= CHIP_CARRIZO &&
- adev->asic_type <= CHIP_RAVEN)
+ adev->asic_type < CHIP_RAVEN)
init_data.flags.gpu_vm_support = true;
if (amdgpu_dc_feature_mask & DC_FBC_MASK)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
index 34f95e0..203ce4b 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
@@ -3478,18 +3478,31 @@ static int smu7_get_pp_table_entry(struct pp_hwmgr *hwmgr,
static int smu7_get_gpu_power(struct pp_hwmgr *hwmgr, u32 *query)
{
+ struct amdgpu_device *adev = hwmgr->adev;
int i;
u32 tmp = 0;
if (!query)
return -EINVAL;
- smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_GetCurrPkgPwr, 0);
- tmp = cgs_read_register(hwmgr->device, mmSMC_MSG_ARG_0);
- *query = tmp;
+ /*
+ * PPSMC_MSG_GetCurrPkgPwr is not supported on:
+ * - Hawaii
+ * - Bonaire
+ * - Fiji
+ * - Tonga
+ */
+ if ((adev->asic_type != CHIP_HAWAII) &&
+ (adev->asic_type != CHIP_BONAIRE) &&
+ (adev->asic_type != CHIP_FIJI) &&
+ (adev->asic_type != CHIP_TONGA)) {
+ smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_GetCurrPkgPwr, 0);
+ tmp = cgs_read_register(hwmgr->device, mmSMC_MSG_ARG_0);
+ *query = tmp;
- if (tmp != 0)
- return 0;
+ if (tmp != 0)
+ return 0;
+ }
smum_send_msg_to_smc(hwmgr, PPSMC_MSG_PmStatusLogStart);
cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
index 3ec5a10..328e258 100644
--- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
@@ -759,6 +759,12 @@ static int navi10_force_clk_levels(struct smu_context *smu,
case SMU_UCLK:
case SMU_DCEFCLK:
case SMU_FCLK:
+ /* There is only 2 levels for fine grained DPM */
+ if (navi10_is_support_fine_grained_dpm(smu, clk_type)) {
+ soft_max_level = (soft_max_level >= 1 ? 1 : 0);
+ soft_min_level = (soft_min_level >= 1 ? 1 : 0);
+ }
+
ret = smu_get_dpm_freq_by_index(smu, clk_type, soft_min_level, &min_freq);
if (ret)
return size;
diff --git a/drivers/gpu/drm/i915/display/intel_atomic.c b/drivers/gpu/drm/i915/display/intel_atomic.c
index d3fb75b..7cb2257 100644
--- a/drivers/gpu/drm/i915/display/intel_atomic.c
+++ b/drivers/gpu/drm/i915/display/intel_atomic.c
@@ -201,6 +201,7 @@ intel_crtc_duplicate_state(struct drm_crtc *crtc)
crtc_state->update_wm_post = false;
crtc_state->fb_changed = false;
crtc_state->fifo_changed = false;
+ crtc_state->preload_luts = false;
crtc_state->wm.need_postvbl_update = false;
crtc_state->fb_bits = 0;
crtc_state->update_planes = 0;
diff --git a/drivers/gpu/drm/i915/display/intel_color.c b/drivers/gpu/drm/i915/display/intel_color.c
index 71a0201..aa1e2c6 100644
--- a/drivers/gpu/drm/i915/display/intel_color.c
+++ b/drivers/gpu/drm/i915/display/intel_color.c
@@ -990,6 +990,55 @@ void intel_color_commit(const struct intel_crtc_state *crtc_state)
dev_priv->display.color_commit(crtc_state);
}
+static bool intel_can_preload_luts(const struct intel_crtc_state *new_crtc_state)
+{
+ struct intel_crtc *crtc = to_intel_crtc(new_crtc_state->base.crtc);
+ struct intel_atomic_state *state =
+ to_intel_atomic_state(new_crtc_state->base.state);
+ const struct intel_crtc_state *old_crtc_state =
+ intel_atomic_get_old_crtc_state(state, crtc);
+
+ return !old_crtc_state->base.gamma_lut &&
+ !old_crtc_state->base.degamma_lut;
+}
+
+static bool chv_can_preload_luts(const struct intel_crtc_state *new_crtc_state)
+{
+ struct intel_crtc *crtc = to_intel_crtc(new_crtc_state->base.crtc);
+ struct intel_atomic_state *state =
+ to_intel_atomic_state(new_crtc_state->base.state);
+ const struct intel_crtc_state *old_crtc_state =
+ intel_atomic_get_old_crtc_state(state, crtc);
+
+ /*
+ * CGM_PIPE_MODE is itself single buffered. We'd have to
+ * somehow split it out from chv_load_luts() if we wanted
+ * the ability to preload the CGM LUTs/CSC without tearing.
+ */
+ if (old_crtc_state->cgm_mode || new_crtc_state->cgm_mode)
+ return false;
+
+ return !old_crtc_state->base.gamma_lut;
+}
+
+static bool glk_can_preload_luts(const struct intel_crtc_state *new_crtc_state)
+{
+ struct intel_crtc *crtc = to_intel_crtc(new_crtc_state->base.crtc);
+ struct intel_atomic_state *state =
+ to_intel_atomic_state(new_crtc_state->base.state);
+ const struct intel_crtc_state *old_crtc_state =
+ intel_atomic_get_old_crtc_state(state, crtc);
+
+ /*
+ * The hardware degamma is active whenever the pipe
+ * CSC is active. Thus even if the old state has no
+ * software degamma we need to avoid clobbering the
+ * linear hardware degamma mid scanout.
+ */
+ return !old_crtc_state->csc_enable &&
+ !old_crtc_state->base.gamma_lut;
+}
+
int intel_color_check(struct intel_crtc_state *crtc_state)
{
struct drm_i915_private *dev_priv = to_i915(crtc_state->base.crtc->dev);
@@ -1133,6 +1182,8 @@ static int i9xx_color_check(struct intel_crtc_state *crtc_state)
if (ret)
return ret;
+ crtc_state->preload_luts = intel_can_preload_luts(crtc_state);
+
return 0;
}
@@ -1185,6 +1236,8 @@ static int chv_color_check(struct intel_crtc_state *crtc_state)
if (ret)
return ret;
+ crtc_state->preload_luts = chv_can_preload_luts(crtc_state);
+
return 0;
}
@@ -1224,6 +1277,8 @@ static int ilk_color_check(struct intel_crtc_state *crtc_state)
if (ret)
return ret;
+ crtc_state->preload_luts = intel_can_preload_luts(crtc_state);
+
return 0;
}
@@ -1281,6 +1336,8 @@ static int ivb_color_check(struct intel_crtc_state *crtc_state)
if (ret)
return ret;
+ crtc_state->preload_luts = intel_can_preload_luts(crtc_state);
+
return 0;
}
@@ -1319,6 +1376,8 @@ static int glk_color_check(struct intel_crtc_state *crtc_state)
if (ret)
return ret;
+ crtc_state->preload_luts = glk_can_preload_luts(crtc_state);
+
return 0;
}
@@ -1368,6 +1427,8 @@ static int icl_color_check(struct intel_crtc_state *crtc_state)
crtc_state->csc_mode = icl_csc_mode(crtc_state);
+ crtc_state->preload_luts = intel_can_preload_luts(crtc_state);
+
return 0;
}
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index dfff6f4..af50f05 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -2504,6 +2504,9 @@ u32 intel_plane_fb_max_stride(struct drm_i915_private *dev_priv,
* the highest stride limits of them all.
*/
crtc = intel_get_crtc_for_pipe(dev_priv, PIPE_A);
+ if (!crtc)
+ return 0;
+
plane = to_intel_plane(crtc->base.primary);
return plane->max_stride(plane, pixel_format, modifier,
@@ -13740,6 +13743,11 @@ static void intel_update_crtc(struct intel_crtc *crtc,
/* vblanks work again, re-enable pipe CRC. */
intel_crtc_enable_pipe_crc(crtc);
} else {
+ if (new_crtc_state->preload_luts &&
+ (new_crtc_state->base.color_mgmt_changed ||
+ new_crtc_state->update_pipe))
+ intel_color_load_luts(new_crtc_state);
+
intel_pre_plane_update(old_crtc_state, new_crtc_state);
if (new_crtc_state->update_pipe)
@@ -14034,6 +14042,7 @@ static void intel_atomic_commit_tail(struct intel_atomic_state *state)
for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i) {
if (new_crtc_state->base.active &&
!needs_modeset(new_crtc_state) &&
+ !new_crtc_state->preload_luts &&
(new_crtc_state->base.color_mgmt_changed ||
new_crtc_state->update_pipe))
intel_color_load_luts(new_crtc_state);
diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
index 449abae..4075b03 100644
--- a/drivers/gpu/drm/i915/display/intel_display_types.h
+++ b/drivers/gpu/drm/i915/display/intel_display_types.h
@@ -761,6 +761,7 @@ struct intel_crtc_state {
bool update_wm_pre, update_wm_post; /* watermarks are updated */
bool fb_changed; /* fb on any of the planes is changed */
bool fifo_changed; /* FIFO split is changed */
+ bool preload_luts;
/* Pipe source size (ie. panel fitter input size)
* All planes will be positioned inside this space,
diff --git a/drivers/gpu/drm/i915/display/intel_fbdev.c b/drivers/gpu/drm/i915/display/intel_fbdev.c
index d59eee5..b5c588e 100644
--- a/drivers/gpu/drm/i915/display/intel_fbdev.c
+++ b/drivers/gpu/drm/i915/display/intel_fbdev.c
@@ -235,6 +235,11 @@ static int intelfb_create(struct drm_fb_helper *helper,
info->apertures->ranges[0].base = ggtt->gmadr.start;
info->apertures->ranges[0].size = ggtt->mappable_end;
+ /* Our framebuffer is the entirety of fbdev's system memory */
+ info->fix.smem_start =
+ (unsigned long)(ggtt->gmadr.start + vma->node.start);
+ info->fix.smem_len = vma->node.size;
+
vaddr = i915_vma_pin_iomap(vma);
if (IS_ERR(vaddr)) {
DRM_ERROR("Failed to remap framebuffer into virtual memory\n");
@@ -244,10 +249,6 @@ static int intelfb_create(struct drm_fb_helper *helper,
info->screen_base = vaddr;
info->screen_size = vma->node.size;
- /* Our framebuffer is the entirety of fbdev's system memory */
- info->fix.smem_start = (unsigned long)info->screen_base;
- info->fix.smem_len = info->screen_size;
-
drm_fb_helper_fill_info(info, &ifbdev->helper, sizes);
/* If the object is shmemfs backed, it will have given us zeroed pages.
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_userptr.c b/drivers/gpu/drm/i915/gem/i915_gem_userptr.c
index 6b3b50f..abfbac49 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_userptr.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_userptr.c
@@ -671,8 +671,28 @@ i915_gem_userptr_put_pages(struct drm_i915_gem_object *obj,
obj->mm.dirty = false;
for_each_sgt_page(page, sgt_iter, pages) {
- if (obj->mm.dirty)
+ if (obj->mm.dirty && trylock_page(page)) {
+ /*
+ * As this may not be anonymous memory (e.g. shmem)
+ * but exist on a real mapping, we have to lock
+ * the page in order to dirty it -- holding
+ * the page reference is not sufficient to
+ * prevent the inode from being truncated.
+ * Play safe and take the lock.
+ *
+ * However...!
+ *
+ * The mmu-notifier can be invalidated for a
+ * migrate_page, that is alreadying holding the lock
+ * on the page. Such a try_to_unmap() will result
+ * in us calling put_pages() and so recursively try
+ * to lock the page. We avoid that deadlock with
+ * a trylock_page() and in exchange we risk missing
+ * some page dirtying.
+ */
set_page_dirty(page);
+ unlock_page(page);
+ }
mark_page_accessed(page);
put_page(page);
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_pool.c b/drivers/gpu/drm/i915/gt/intel_engine_pool.c
index 4cd54c5..379a917 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_pool.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_pool.c
@@ -103,6 +103,8 @@ node_create(struct intel_engine_pool *pool, size_t sz)
return ERR_CAST(obj);
}
+ i915_gem_object_set_readonly(obj);
+
node->obj = obj;
return node;
}
diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c
index 8e251e7..212acae 100644
--- a/drivers/gpu/drm/i915/i915_pmu.c
+++ b/drivers/gpu/drm/i915/i915_pmu.c
@@ -843,8 +843,8 @@ create_event_attributes(struct i915_pmu *pmu)
const char *name;
const char *unit;
} events[] = {
- __event(I915_PMU_ACTUAL_FREQUENCY, "actual-frequency", "MHz"),
- __event(I915_PMU_REQUESTED_FREQUENCY, "requested-frequency", "MHz"),
+ __event(I915_PMU_ACTUAL_FREQUENCY, "actual-frequency", "M"),
+ __event(I915_PMU_REQUESTED_FREQUENCY, "requested-frequency", "M"),
__event(I915_PMU_INTERRUPTS, "interrupts", NULL),
__event(I915_PMU_RC6_RESIDENCY, "rc6-residency", "ns"),
};
diff --git a/drivers/gpu/drm/i915/i915_scheduler.c b/drivers/gpu/drm/i915/i915_scheduler.c
index 7b84ebc..3eba8a2 100644
--- a/drivers/gpu/drm/i915/i915_scheduler.c
+++ b/drivers/gpu/drm/i915/i915_scheduler.c
@@ -177,9 +177,37 @@ static inline int rq_prio(const struct i915_request *rq)
return rq->sched.attr.priority | __NO_PREEMPTION;
}
-static void kick_submission(struct intel_engine_cs *engine, int prio)
+static inline bool need_preempt(int prio, int active)
{
- const struct i915_request *inflight = *engine->execlists.active;
+ /*
+ * Allow preemption of low -> normal -> high, but we do
+ * not allow low priority tasks to preempt other low priority
+ * tasks under the impression that latency for low priority
+ * tasks does not matter (as much as background throughput),
+ * so kiss.
+ */
+ return prio >= max(I915_PRIORITY_NORMAL, active);
+}
+
+static void kick_submission(struct intel_engine_cs *engine,
+ const struct i915_request *rq,
+ int prio)
+{
+ const struct i915_request *inflight;
+
+ /*
+ * We only need to kick the tasklet once for the high priority
+ * new context we add into the queue.
+ */
+ if (prio <= engine->execlists.queue_priority_hint)
+ return;
+
+ rcu_read_lock();
+
+ /* Nothing currently active? We're overdue for a submission! */
+ inflight = execlists_active(&engine->execlists);
+ if (!inflight)
+ goto unlock;
/*
* If we are already the currently executing context, don't
@@ -188,10 +216,15 @@ static void kick_submission(struct intel_engine_cs *engine, int prio)
* tasklet, i.e. we have not change the priority queue
* sufficiently to oust the running context.
*/
- if (!inflight || !i915_scheduler_need_preempt(prio, rq_prio(inflight)))
- return;
+ if (inflight->hw_context == rq->hw_context)
+ goto unlock;
- tasklet_hi_schedule(&engine->execlists.tasklet);
+ engine->execlists.queue_priority_hint = prio;
+ if (need_preempt(prio, rq_prio(inflight)))
+ tasklet_hi_schedule(&engine->execlists.tasklet);
+
+unlock:
+ rcu_read_unlock();
}
static void __i915_schedule(struct i915_sched_node *node,
@@ -317,13 +350,8 @@ static void __i915_schedule(struct i915_sched_node *node,
list_move_tail(&node->link, cache.priolist);
}
- if (prio <= engine->execlists.queue_priority_hint)
- continue;
-
- engine->execlists.queue_priority_hint = prio;
-
/* Defer (tasklet) submission until after all of our updates. */
- kick_submission(engine, prio);
+ kick_submission(engine, node_to_request(node), prio);
}
spin_unlock(&engine->active.lock);
diff --git a/drivers/i2c/i2c-core-acpi.c b/drivers/i2c/i2c-core-acpi.c
index 9cb2aa1..62a1c92a 100644
--- a/drivers/i2c/i2c-core-acpi.c
+++ b/drivers/i2c/i2c-core-acpi.c
@@ -39,6 +39,7 @@ struct i2c_acpi_lookup {
int index;
u32 speed;
u32 min_speed;
+ u32 force_speed;
};
/**
@@ -285,6 +286,19 @@ i2c_acpi_match_device(const struct acpi_device_id *matches,
return acpi_match_device(matches, &client->dev);
}
+static const struct acpi_device_id i2c_acpi_force_400khz_device_ids[] = {
+ /*
+ * These Silead touchscreen controllers only work at 400KHz, for
+ * some reason they do not work at 100KHz. On some devices the ACPI
+ * tables list another device at their bus as only being capable
+ * of 100KHz, testing has shown that these other devices work fine
+ * at 400KHz (as can be expected of any recent i2c hw) so we force
+ * the speed of the bus to 400 KHz if a Silead device is present.
+ */
+ { "MSSL1680", 0 },
+ {}
+};
+
static acpi_status i2c_acpi_lookup_speed(acpi_handle handle, u32 level,
void *data, void **return_value)
{
@@ -303,6 +317,9 @@ static acpi_status i2c_acpi_lookup_speed(acpi_handle handle, u32 level,
if (lookup->speed <= lookup->min_speed)
lookup->min_speed = lookup->speed;
+ if (acpi_match_device_ids(adev, i2c_acpi_force_400khz_device_ids) == 0)
+ lookup->force_speed = 400000;
+
return AE_OK;
}
@@ -340,7 +357,16 @@ u32 i2c_acpi_find_bus_speed(struct device *dev)
return 0;
}
- return lookup.min_speed != UINT_MAX ? lookup.min_speed : 0;
+ if (lookup.force_speed) {
+ if (lookup.force_speed != lookup.min_speed)
+ dev_warn(dev, FW_BUG "DSDT uses known not-working I2C bus speed %d, forcing it to %d\n",
+ lookup.min_speed, lookup.force_speed);
+ return lookup.force_speed;
+ } else if (lookup.min_speed != UINT_MAX) {
+ return lookup.min_speed;
+ } else {
+ return 0;
+ }
}
EXPORT_SYMBOL_GPL(i2c_acpi_find_bus_speed);
diff --git a/drivers/i2c/i2c-core-of.c b/drivers/i2c/i2c-core-of.c
index 6f632d54..7eb4199 100644
--- a/drivers/i2c/i2c-core-of.c
+++ b/drivers/i2c/i2c-core-of.c
@@ -245,14 +245,14 @@ static int of_i2c_notify(struct notifier_block *nb, unsigned long action,
}
client = of_i2c_register_device(adap, rd->dn);
- put_device(&adap->dev);
-
if (IS_ERR(client)) {
dev_err(&adap->dev, "failed to create client for '%pOF'\n",
rd->dn);
+ put_device(&adap->dev);
of_node_clear_flag(rd->dn, OF_POPULATED);
return notifier_from_errno(PTR_ERR(client));
}
+ put_device(&adap->dev);
break;
case OF_RECONFIG_CHANGE_REMOVE:
/* already depopulated? */
diff --git a/fs/afs/callback.c b/fs/afs/callback.c
index 6cdd704..2dca8df 100644
--- a/fs/afs/callback.c
+++ b/fs/afs/callback.c
@@ -312,7 +312,6 @@ void afs_break_callbacks(struct afs_server *server, size_t count,
_enter("%p,%zu,", server, count);
ASSERT(server != NULL);
- ASSERTCMP(count, <=, AFSCBMAX);
/* TODO: Sort the callback break list by volume ID */
diff --git a/fs/afs/rxrpc.c b/fs/afs/rxrpc.c
index 0e52693..61498d9 100644
--- a/fs/afs/rxrpc.c
+++ b/fs/afs/rxrpc.c
@@ -637,6 +637,7 @@ long afs_wait_for_call_to_complete(struct afs_call *call,
call->need_attention = false;
__set_current_state(TASK_RUNNING);
afs_deliver_to_call(call);
+ timeout = rtt2;
continue;
}
diff --git a/fs/afs/super.c b/fs/afs/super.c
index f18911e..488641b 100644
--- a/fs/afs/super.c
+++ b/fs/afs/super.c
@@ -435,6 +435,7 @@ static int afs_fill_super(struct super_block *sb, struct afs_fs_context *ctx)
/* fill in the superblock */
sb->s_blocksize = PAGE_SIZE;
sb->s_blocksize_bits = PAGE_SHIFT;
+ sb->s_maxbytes = MAX_LFS_FILESIZE;
sb->s_magic = AFS_FS_MAGIC;
sb->s_op = &afs_super_ops;
if (!as->dyn_root)
diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
index d850797..90c830e3 100644
--- a/fs/ocfs2/xattr.c
+++ b/fs/ocfs2/xattr.c
@@ -1490,6 +1490,18 @@ static int ocfs2_xa_check_space(struct ocfs2_xa_loc *loc,
return loc->xl_ops->xlo_check_space(loc, xi);
}
+static void ocfs2_xa_add_entry(struct ocfs2_xa_loc *loc, u32 name_hash)
+{
+ loc->xl_ops->xlo_add_entry(loc, name_hash);
+ loc->xl_entry->xe_name_hash = cpu_to_le32(name_hash);
+ /*
+ * We can't leave the new entry's xe_name_offset at zero or
+ * add_namevalue() will go nuts. We set it to the size of our
+ * storage so that it can never be less than any other entry.
+ */
+ loc->xl_entry->xe_name_offset = cpu_to_le16(loc->xl_size);
+}
+
static void ocfs2_xa_add_namevalue(struct ocfs2_xa_loc *loc,
struct ocfs2_xattr_info *xi)
{
@@ -2121,31 +2133,29 @@ static int ocfs2_xa_prepare_entry(struct ocfs2_xa_loc *loc,
if (rc)
goto out;
- if (!loc->xl_entry) {
- rc = -EINVAL;
- goto out;
- }
-
- if (ocfs2_xa_can_reuse_entry(loc, xi)) {
- orig_value_size = loc->xl_entry->xe_value_size;
- rc = ocfs2_xa_reuse_entry(loc, xi, ctxt);
- if (rc)
- goto out;
- goto alloc_value;
- }
-
- if (!ocfs2_xattr_is_local(loc->xl_entry)) {
- orig_clusters = ocfs2_xa_value_clusters(loc);
- rc = ocfs2_xa_value_truncate(loc, 0, ctxt);
- if (rc) {
- mlog_errno(rc);
- ocfs2_xa_cleanup_value_truncate(loc,
- "overwriting",
- orig_clusters);
- goto out;
+ if (loc->xl_entry) {
+ if (ocfs2_xa_can_reuse_entry(loc, xi)) {
+ orig_value_size = loc->xl_entry->xe_value_size;
+ rc = ocfs2_xa_reuse_entry(loc, xi, ctxt);
+ if (rc)
+ goto out;
+ goto alloc_value;
}
- }
- ocfs2_xa_wipe_namevalue(loc);
+
+ if (!ocfs2_xattr_is_local(loc->xl_entry)) {
+ orig_clusters = ocfs2_xa_value_clusters(loc);
+ rc = ocfs2_xa_value_truncate(loc, 0, ctxt);
+ if (rc) {
+ mlog_errno(rc);
+ ocfs2_xa_cleanup_value_truncate(loc,
+ "overwriting",
+ orig_clusters);
+ goto out;
+ }
+ }
+ ocfs2_xa_wipe_namevalue(loc);
+ } else
+ ocfs2_xa_add_entry(loc, name_hash);
/*
* If we get here, we have a blank entry. Fill it. We grow our
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index ed11ef59..6d8bf4b 100644
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -336,7 +336,8 @@ enum {
#define QI_DEV_IOTLB_SID(sid) ((u64)((sid) & 0xffff) << 32)
#define QI_DEV_IOTLB_QDEP(qdep) (((qdep) & 0x1f) << 16)
#define QI_DEV_IOTLB_ADDR(addr) ((u64)(addr) & VTD_PAGE_MASK)
-#define QI_DEV_IOTLB_PFSID(pfsid) (((u64)(pfsid & 0xf) << 12) | ((u64)(pfsid & 0xfff) << 52))
+#define QI_DEV_IOTLB_PFSID(pfsid) (((u64)(pfsid & 0xf) << 12) | \
+ ((u64)((pfsid >> 4) & 0xfff) << 52))
#define QI_DEV_IOTLB_SIZE 1
#define QI_DEV_IOTLB_MAX_INVS 32
@@ -360,7 +361,8 @@ enum {
#define QI_DEV_EIOTLB_PASID(p) (((u64)p) << 32)
#define QI_DEV_EIOTLB_SID(sid) ((u64)((sid) & 0xffff) << 16)
#define QI_DEV_EIOTLB_QDEP(qd) ((u64)((qd) & 0x1f) << 4)
-#define QI_DEV_EIOTLB_PFSID(pfsid) (((u64)(pfsid & 0xf) << 12) | ((u64)(pfsid & 0xfff) << 52))
+#define QI_DEV_EIOTLB_PFSID(pfsid) (((u64)(pfsid & 0xf) << 12) | \
+ ((u64)((pfsid >> 4) & 0xfff) << 52))
#define QI_DEV_EIOTLB_MAX_INVS 32
/* Page group response descriptor QW0 */
diff --git a/kernel/fork.c b/kernel/fork.c
index 55af693..13b3879 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1708,11 +1708,11 @@ static void pidfd_show_fdinfo(struct seq_file *m, struct file *f)
/*
* Poll support for process exit notification.
*/
-static unsigned int pidfd_poll(struct file *file, struct poll_table_struct *pts)
+static __poll_t pidfd_poll(struct file *file, struct poll_table_struct *pts)
{
struct task_struct *task;
struct pid *pid = file->private_data;
- int poll_flags = 0;
+ __poll_t poll_flags = 0;
poll_wait(file, &pid->wait_pidfd, pts);
@@ -1724,7 +1724,7 @@ static unsigned int pidfd_poll(struct file *file, struct poll_table_struct *pts)
* group, then poll(2) should block, similar to the wait(2) family.
*/
if (!task || (task->exit_state && thread_group_empty(task)))
- poll_flags = POLLIN | POLLRDNORM;
+ poll_flags = EPOLLIN | EPOLLRDNORM;
rcu_read_unlock();
return poll_flags;
diff --git a/kernel/power/qos.c b/kernel/power/qos.c
index 04e83fd..a45cba7 100644
--- a/kernel/power/qos.c
+++ b/kernel/power/qos.c
@@ -814,6 +814,8 @@ EXPORT_SYMBOL_GPL(freq_qos_update_request);
*/
int freq_qos_remove_request(struct freq_qos_request *req)
{
+ int ret;
+
if (!req)
return -EINVAL;
@@ -821,7 +823,11 @@ int freq_qos_remove_request(struct freq_qos_request *req)
"%s() called for unknown object\n", __func__))
return -EINVAL;
- return freq_qos_apply(req, PM_QOS_REMOVE_REQ, PM_QOS_DEFAULT_VALUE);
+ ret = freq_qos_apply(req, PM_QOS_REMOVE_REQ, PM_QOS_DEFAULT_VALUE);
+ req->qos = NULL;
+ req->type = 0;
+
+ return ret;
}
EXPORT_SYMBOL_GPL(freq_qos_remove_request);
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 0f2eb36..44123b4 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -1065,7 +1065,7 @@ uclamp_update_active(struct task_struct *p, enum uclamp_id clamp_id)
* affecting a valid clamp bucket, the next time it's enqueued,
* it will already see the updated clamp bucket value.
*/
- if (!p->uclamp[clamp_id].active) {
+ if (p->uclamp[clamp_id].active) {
uclamp_rq_dec_id(rq, p, clamp_id);
uclamp_rq_inc_id(rq, p, clamp_id);
}
@@ -6019,10 +6019,11 @@ void init_idle(struct task_struct *idle, int cpu)
struct rq *rq = cpu_rq(cpu);
unsigned long flags;
+ __sched_fork(0, idle);
+
raw_spin_lock_irqsave(&idle->pi_lock, flags);
raw_spin_lock(&rq->lock);
- __sched_fork(0, idle);
idle->state = TASK_RUNNING;
idle->se.exec_start = sched_clock();
idle->flags |= PF_IDLE;
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 22a2fed..69a81a5 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -7548,6 +7548,19 @@ static void update_blocked_averages(int cpu)
update_rq_clock(rq);
/*
+ * update_cfs_rq_load_avg() can call cpufreq_update_util(). Make sure
+ * that RT, DL and IRQ signals have been updated before updating CFS.
+ */
+ curr_class = rq->curr->sched_class;
+ update_rt_rq_load_avg(rq_clock_pelt(rq), rq, curr_class == &rt_sched_class);
+ update_dl_rq_load_avg(rq_clock_pelt(rq), rq, curr_class == &dl_sched_class);
+ update_irq_load_avg(rq, 0);
+
+ /* Don't need periodic decay once load/util_avg are null */
+ if (others_have_blocked(rq))
+ done = false;
+
+ /*
* Iterates the task_group tree in a bottom up fashion, see
* list_add_leaf_cfs_rq() for details.
*/
@@ -7574,14 +7587,6 @@ static void update_blocked_averages(int cpu)
done = false;
}
- curr_class = rq->curr->sched_class;
- update_rt_rq_load_avg(rq_clock_pelt(rq), rq, curr_class == &rt_sched_class);
- update_dl_rq_load_avg(rq_clock_pelt(rq), rq, curr_class == &dl_sched_class);
- update_irq_load_avg(rq, 0);
- /* Don't need periodic decay once load/util_avg are null */
- if (others_have_blocked(rq))
- done = false;
-
update_blocked_load_status(rq, !done);
rq_unlock_irqrestore(rq, &rf);
}
@@ -7642,12 +7647,18 @@ static inline void update_blocked_averages(int cpu)
rq_lock_irqsave(rq, &rf);
update_rq_clock(rq);
- update_cfs_rq_load_avg(cfs_rq_clock_pelt(cfs_rq), cfs_rq);
+ /*
+ * update_cfs_rq_load_avg() can call cpufreq_update_util(). Make sure
+ * that RT, DL and IRQ signals have been updated before updating CFS.
+ */
curr_class = rq->curr->sched_class;
update_rt_rq_load_avg(rq_clock_pelt(rq), rq, curr_class == &rt_sched_class);
update_dl_rq_load_avg(rq_clock_pelt(rq), rq, curr_class == &dl_sched_class);
update_irq_load_avg(rq, 0);
+
+ update_cfs_rq_load_avg(cfs_rq_clock_pelt(cfs_rq), cfs_rq);
+
update_blocked_load_status(rq, cfs_rq_has_blocked(cfs_rq) || others_have_blocked(rq));
rq_unlock_irqrestore(rq, &rf);
}
diff --git a/mm/ksm.c b/mm/ksm.c
index dbee2eb..7905934 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -885,13 +885,13 @@ static int remove_stable_node(struct stable_node *stable_node)
return 0;
}
- if (WARN_ON_ONCE(page_mapped(page))) {
- /*
- * This should not happen: but if it does, just refuse to let
- * merge_across_nodes be switched - there is no need to panic.
- */
- err = -EBUSY;
- } else {
+ /*
+ * Page could be still mapped if this races with __mmput() running in
+ * between ksm_exit() and exit_mmap(). Just refuse to let
+ * merge_across_nodes/max_page_sharing be switched.
+ */
+ err = -EBUSY;
+ if (!page_mapped(page)) {
/*
* The stable node did not yet appear stale to get_ksm_page(),
* since that allows for an unmapped ksm page to be recognized
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 3b62a9f..f307bd8 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -331,7 +331,7 @@ static unsigned long find_smallest_section_pfn(int nid, struct zone *zone,
unsigned long end_pfn)
{
for (; start_pfn < end_pfn; start_pfn += PAGES_PER_SUBSECTION) {
- if (unlikely(!pfn_valid(start_pfn)))
+ if (unlikely(!pfn_to_online_page(start_pfn)))
continue;
if (unlikely(pfn_to_nid(start_pfn) != nid))
@@ -356,7 +356,7 @@ static unsigned long find_biggest_section_pfn(int nid, struct zone *zone,
/* pfn is the end pfn of a memory section. */
pfn = end_pfn - 1;
for (; pfn >= start_pfn; pfn -= PAGES_PER_SUBSECTION) {
- if (unlikely(!pfn_valid(pfn)))
+ if (unlikely(!pfn_to_online_page(pfn)))
continue;
if (unlikely(pfn_to_nid(pfn) != nid))
@@ -415,7 +415,7 @@ static void shrink_zone_span(struct zone *zone, unsigned long start_pfn,
*/
pfn = zone_start_pfn;
for (; pfn < zone_end_pfn; pfn += PAGES_PER_SUBSECTION) {
- if (unlikely(!pfn_valid(pfn)))
+ if (unlikely(!pfn_to_online_page(pfn)))
continue;
if (page_zone(pfn_to_page(pfn)) != zone)
@@ -471,6 +471,16 @@ static void __remove_zone(struct zone *zone, unsigned long start_pfn,
struct pglist_data *pgdat = zone->zone_pgdat;
unsigned long flags;
+#ifdef CONFIG_ZONE_DEVICE
+ /*
+ * Zone shrinking code cannot properly deal with ZONE_DEVICE. So
+ * we will not try to shrink the zones - which is okay as
+ * set_zone_contiguous() cannot deal with ZONE_DEVICE either way.
+ */
+ if (zone_idx(zone) == ZONE_DEVICE)
+ return;
+#endif
+
pgdat_resize_lock(zone->zone_pgdat, &flags);
shrink_zone_span(zone, start_pfn, start_pfn + nr_pages);
update_pgdat_span(pgdat);
diff --git a/tools/gpio/Build b/tools/gpio/Build
index 620c193..4141f35 100644
--- a/tools/gpio/Build
+++ b/tools/gpio/Build
@@ -1,3 +1,4 @@
+gpio-utils-y += gpio-utils.o
lsgpio-y += lsgpio.o gpio-utils.o
gpio-hammer-y += gpio-hammer.o gpio-utils.o
gpio-event-mon-y += gpio-event-mon.o gpio-utils.o
diff --git a/tools/gpio/Makefile b/tools/gpio/Makefile
index 1178d30..6080de58 100644
--- a/tools/gpio/Makefile
+++ b/tools/gpio/Makefile
@@ -35,11 +35,15 @@
prepare: $(OUTPUT)include/linux/gpio.h
+GPIO_UTILS_IN := $(output)gpio-utils-in.o
+$(GPIO_UTILS_IN): prepare FORCE
+ $(Q)$(MAKE) $(build)=gpio-utils
+
#
# lsgpio
#
LSGPIO_IN := $(OUTPUT)lsgpio-in.o
-$(LSGPIO_IN): prepare FORCE
+$(LSGPIO_IN): prepare FORCE $(OUTPUT)gpio-utils-in.o
$(Q)$(MAKE) $(build)=lsgpio
$(OUTPUT)lsgpio: $(LSGPIO_IN)
$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@
@@ -48,7 +52,7 @@
# gpio-hammer
#
GPIO_HAMMER_IN := $(OUTPUT)gpio-hammer-in.o
-$(GPIO_HAMMER_IN): prepare FORCE
+$(GPIO_HAMMER_IN): prepare FORCE $(OUTPUT)gpio-utils-in.o
$(Q)$(MAKE) $(build)=gpio-hammer
$(OUTPUT)gpio-hammer: $(GPIO_HAMMER_IN)
$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@
@@ -57,7 +61,7 @@
# gpio-event-mon
#
GPIO_EVENT_MON_IN := $(OUTPUT)gpio-event-mon-in.o
-$(GPIO_EVENT_MON_IN): prepare FORCE
+$(GPIO_EVENT_MON_IN): prepare FORCE $(OUTPUT)gpio-utils-in.o
$(Q)$(MAKE) $(build)=gpio-event-mon
$(OUTPUT)gpio-event-mon: $(GPIO_EVENT_MON_IN)
$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@
