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a patch for a mostly benign race from Dongsheng.
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Merge tag 'ceph-for-5.4-rc4' of git://github.com/ceph/ceph-client
Pull ceph fixes from Ilya Dryomov:
"A future-proofing decoding fix from Jeff intended for stable and a
patch for a mostly benign race from Dongsheng"
* tag 'ceph-for-5.4-rc4' of git://github.com/ceph/ceph-client:
rbd: cancel lock_dwork if the wait is interrupted
ceph: just skip unrecognized info in ceph_reply_info_extra
preventing locks from being released.
- Fix DM cache's GFP_NOWAIT allocation failure error paths by switching
to GFP_NOIO.
- Make __hash_find() static in the DM clone target.
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Merge tag 'for-5.4/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
- Fix DM snapshot deadlock that can occur due to COW throttling
preventing locks from being released.
- Fix DM cache's GFP_NOWAIT allocation failure error paths by switching
to GFP_NOIO.
- Make __hash_find() static in the DM clone target.
* tag 'for-5.4/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm cache: fix bugs when a GFP_NOWAIT allocation fails
dm snapshot: rework COW throttling to fix deadlock
dm snapshot: introduce account_start_copy() and account_end_copy()
dm clone: Make __hash_find static
Including:
- Fixes for page-table issues on Mali GPUs
- Missing free in an error path for ARM-SMMU
- PASID decoding in the AMD IOMMU Event log code
- Another update for the locking fixes in the AMD IOMMU driver
- Reduce the calls to platform_get_irq() in the IPMMU-VMSA and
Rockchip IOMMUs to get rid of the warning message added to this
function recently
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Merge tag 'iommu-fixes-v5.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu fixes from Joerg Roedel:
- Fixes for page-table issues on Mali GPUs
- Missing free in an error path for ARM-SMMU
- PASID decoding in the AMD IOMMU Event log code
- Another update for the locking fixes in the AMD IOMMU driver
- Reduce the calls to platform_get_irq() in the IPMMU-VMSA and Rockchip
IOMMUs to get rid of the warning message added to this function
recently
* tag 'iommu-fixes-v5.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/amd: Check PM_LEVEL_SIZE() condition in locked section
iommu/amd: Fix incorrect PASID decoding from event log
iommu/ipmmu-vmsa: Only call platform_get_irq() when interrupt is mandatory
iommu/rockchip: Don't use platform_get_irq to implicitly count irqs
iommu/io-pgtable-arm: Support all Mali configurations
iommu/io-pgtable-arm: Correct Mali attributes
iommu/arm-smmu: Free context bitmap in the err path of arm_smmu_init_domain_context
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Merge tag 'copy-struct-from-user-v5.4-rc4' of gitolite.kernel.org:pub/scm/linux/kernel/git/brauner/linux
Pull usercopy test fixlets from Christian Brauner:
"This contains two improvements for the copy_struct_from_user() tests:
- a coding style change to get rid of the ugly "if ((ret |= test()))"
pointed out when pulling the original patchset.
- avoid a soft lockups when running the usercopy tests on machines
with large page sizes by scanning only a 1024 byte region"
* tag 'copy-struct-from-user-v5.4-rc4' of gitolite.kernel.org:pub/scm/linux/kernel/git/brauner/linux:
usercopy: Avoid soft lockups in test_check_nonzero_user()
lib: test_user_copy: style cleanup
- sdhci-iproc: Prevent some spurious interrupts
- renesas_sdhi/sh_mmcif: Avoid false warnings about IRQs not found
MEMSTICK host:
- jmb38x_ms: Fix an error handling path at ->probe()
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Merge tag 'mmc-v5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
"MMC host:
- sdhci-iproc: Prevent some spurious interrupts
- renesas_sdhi/sh_mmcif: Avoid false warnings about IRQs not found
MEMSTICK host:
- jmb38x_ms: Fix an error handling path at ->probe()"
* tag 'mmc-v5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
memstick: jmb38x_ms: Fix an error handling path in 'jmb38x_ms_probe()'
mmc: sdhci-iproc: fix spurious interrupts on Multiblock reads with bcm2711
mmc: sh_mmcif: Use platform_get_irq_optional() for optional interrupt
mmc: renesas_sdhi: Do not use platform_get_irq() to count interrupts
Just a few small fixes for the usual suspect, HD- and USB-audio:
enablement of runtime PM for Nvidia due to the recent PCI
changes, a fix for potential hangs with recent HD-audio platforms,
and the rest device-specific quirks.
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Merge tag 'sound-5.4-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Just a few small fixes for the usual suspect, HD- and USB-audio:
enablement of runtime PM for Nvidia due to the recent PCI changes, a
fix for potential hangs with recent HD-audio platforms, and the rest
device-specific quirks"
* tag 'sound-5.4-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda - Force runtime PM on Nvidia HDMI codecs
ALSA: hda/realtek - Enable headset mic on Asus MJ401TA
ALSA: usb-audio: Disable quirks for BOSS Katana amplifiers
ALSA: hdac: clear link output stream mapping
ALSA: hda/realtek: Reduce the Headphone static noise on XPS 9350/9360
Fix possible use-after-free in the ACPI CPPC support code (John Garry)
and prevent the ACPI HMAT parsing code from using possibly incorrect
data coming from the platform firmware (Daniel Black).
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Merge tag 'acpi-5.4-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"Fix possible use-after-free in the ACPI CPPC support code (John Garry)
and prevent the ACPI HMAT parsing code from using possibly incorrect
data coming from the platform firmware (Daniel Black)"
* tag 'acpi-5.4-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: CPPC: Set pcc_data[pcc_ss_id] to NULL in acpi_cppc_processor_exit()
ACPI: HMAT: ACPI_HMAT_MEMORY_PD_VALID is deprecated since ACPI-6.3
- Fix possible NULL pointer dereference in the ACPI processor
scaling initialization code introduced by a recent cpufreq
update (Rafael Wysocki).
- Fix possible deadlock due to suspending cpufreq too late during
system shutdown (Rafael Wysocki).
- Make the PCI device system resume code path be more consistent
with its PM-runtime counterpart to fix an issue with missing
delay on transitions from D3cold to D0 during system resume from
suspend-to-idle on some systems (Rafael Wysocki).
- Drop Dell XPS13 9360 from the LPS0 Idle _DSM blacklist to make it
use suspend-to-idle by default (Mario Limonciello).
- Fix build warning in the core system suspend support code (Ben
Dooks).
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Merge tag 'pm-5.4-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These include a fix for a recent regression in the ACPI CPU
performance scaling code, a PCI device power management fix,
a system shutdown fix related to cpufreq, a removal of an ACPI
suspend-to-idle blacklist entry and a build warning fix.
Specifics:
- Fix possible NULL pointer dereference in the ACPI processor scaling
initialization code introduced by a recent cpufreq update (Rafael
Wysocki).
- Fix possible deadlock due to suspending cpufreq too late during
system shutdown (Rafael Wysocki).
- Make the PCI device system resume code path be more consistent with
its PM-runtime counterpart to fix an issue with missing delay on
transitions from D3cold to D0 during system resume from
suspend-to-idle on some systems (Rafael Wysocki).
- Drop Dell XPS13 9360 from the LPS0 Idle _DSM blacklist to make it
use suspend-to-idle by default (Mario Limonciello).
- Fix build warning in the core system suspend support code (Ben
Dooks)"
* tag 'pm-5.4-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: processor: Avoid NULL pointer dereferences at init time
PCI: PM: Fix pci_power_up()
PM: sleep: include <linux/pm_runtime.h> for pm_wq
cpufreq: Avoid cpufreq_suspend() deadlock on system shutdown
ACPI: PM: Drop Dell XPS13 9360 from LPS0 Idle _DSM blacklist
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Merge tag 'mkp-scsi-postmerge' of git://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi
Pull scsi fixes from Martin Petersen:
"These two commits were in a separate postmerge branch due to a
dependency on changes merged for 5.4 in the block tree.
They fix two issues in the intersection of the request cleanup changes
from block (b7e9e1fb7a92) and the request batching changes
(8930a6c20791) that were made to SCSI during the 5.4 cycle"
* tag 'mkp-scsi-postmerge' of git://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi:
scsi: core: fix dh and multipathing for SCSI hosts without request batching
scsi: core: fix missing .cleanup_rq for SCSI hosts without request batching
The increase_address_space() function has to check the PM_LEVEL_SIZE()
condition again under the domain->lock to avoid a false trigger of the
WARN_ON_ONCE() and to avoid that the address space is increase more
often than necessary.
Reported-by: Qian Cai <cai@lca.pw>
Fixes: 754265bcab78 ("iommu/amd: Fix race in increase_address_space()")
Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
* pm-cpufreq:
ACPI: processor: Avoid NULL pointer dereferences at init time
cpufreq: Avoid cpufreq_suspend() deadlock on system shutdown
* pm-sleep:
PM: sleep: include <linux/pm_runtime.h> for pm_wq
ACPI: PM: Drop Dell XPS13 9360 from LPS0 Idle _DSM blacklist
- Work around Cavium/Marvell ThunderX2 erratum #219
- Fix regression in mlock() ABI caused by sign-extension of TTBR1 addresses
- More fixes to the spurious kernel fault detection logic
- Fix pathological preemption race when enabling some CPU features at boot
- Drop broken kcore macros in favour of generic implementations
- Fix userspace view of ID_AA64ZFR0_EL1 when SVE is disabled
- Avoid NULL dereference on allocation failure during hibernation
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"The main thing here is a long-awaited workaround for a CPU erratum on
ThunderX2 which we have developed in conjunction with engineers from
Cavium/Marvell.
At the moment, the workaround is unconditionally enabled for affected
CPUs at runtime but we may add a command-line option to disable it in
future if performance numbers show up indicating a significant cost
for real workloads.
Summary:
- Work around Cavium/Marvell ThunderX2 erratum #219
- Fix regression in mlock() ABI caused by sign-extension of TTBR1 addresses
- More fixes to the spurious kernel fault detection logic
- Fix pathological preemption race when enabling some CPU features at boot
- Drop broken kcore macros in favour of generic implementations
- Fix userspace view of ID_AA64ZFR0_EL1 when SVE is disabled
- Avoid NULL dereference on allocation failure during hibernation"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: tags: Preserve tags for addresses translated via TTBR1
arm64: mm: fix inverted PAR_EL1.F check
arm64: sysreg: fix incorrect definition of SYS_PAR_EL1_F
arm64: entry.S: Do not preempt from IRQ before all cpufeatures are enabled
arm64: hibernate: check pgd table allocation
arm64: cpufeature: Treat ID_AA64ZFR0_EL1 as RAZ when SVE is not enabled
arm64: Fix kcore macros after 52-bit virtual addressing fallout
arm64: Allow CAVIUM_TX2_ERRATUM_219 to be selected
arm64: Avoid Cavium TX2 erratum 219 when switching TTBR
arm64: Enable workaround for Cavium TX2 erratum 219 when running SMT
arm64: KVM: Trap VM ops when ARM64_WORKAROUND_CAVIUM_TX2_219_TVM is set
- Fix a timestamp signedness problem in the new bulkstat ioctl.
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Merge tag 'xfs-5.4-fixes-4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs fix from Darrick Wong:
"The single fix converts the seconds field in the recently added XFS
bulkstat structure to a signed 64-bit quantity.
The structure layout doesn't change and so far there are no users of
the ioctl to break because we only publish xfs ioctl interfaces
through the XFS userspace development libraries, and we're still
working on a 5.3 release"
* tag 'xfs-5.4-fixes-4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: change the seconds fields in xfs_bulkstat to signed
dma-resv:
- shared fences for lima/panfrost
ttm:
- prefault regression fix
- lifetime fix
panfrost:
- stopped job timeout fix
- missing register values
amdgpu:
- smu7 powerplay fix
- bail earlier for cik/si detection
- navi SDMA fix
radeon:
- revert a ppc64 shutdown fix that broke x86
i915:
- VBT information handling fix
- Circular locking fix
- preemption vs resubmission virtual requests fix
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Merge tag 'drm-fixes-2019-10-18' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"This is this weeks fixes for drm.
The dma-resv one is probably the more important one a fair few people
have reported it, besides that it's a couple of panfrost, a few i915
and a few amdgpu fixes.
One radeon patch to fix some ppc64 related issues caused an x86
regression so is getting reverted for now.
Summary:
dma-resv:
- shared fences for lima/panfrost
ttm:
- prefault regression fix
- lifetime fix
panfrost:
- stopped job timeout fix
- missing register values
amdgpu:
- smu7 powerplay fix
- bail earlier for cik/si detection
- navi SDMA fix
radeon:
- revert a ppc64 shutdown fix that broke x86
i915:
- VBT information handling fix
- Circular locking fix
- preemption vs resubmission virtual requests fix"
* tag 'drm-fixes-2019-10-18' of git://anongit.freedesktop.org/drm/drm:
drm/i915: Fixup preempt-to-busy vs resubmission of a virtual request
drm/i915/userptr: Never allow userptr into the mappable GGTT
drm/i915: Favor last VBT child device with conflicting AUX ch/DDC pin
drm/i915/execlists: Refactor -EIO markup of hung requests
drm/panfrost: Handle resetting on timeout better
drm/panfrost: Add missing GPU feature registers
drm/ttm: fix handling in ttm_bo_add_mem_to_lru
drm/ttm: Restore ttm prefaulting
drm/ttm: fix busy reference in ttm_mem_evict_first
drm/amdgpu/sdma5: fix mask value of POLL_REGMEM packet for pipe sync
drm/amdgpu: Bail earlier when amdgpu.cik_/si_support is not set to 1
Revert "drm/radeon: Fix EEH during kexec"
drm/msm/dsi: Implement reset correctly
dma-buf/resv: fix exclusive fence get
drm/edid: Add 6 bpc quirk for SDC panel in Lenovo G50
drm/tiny: Kconfig: Remove always-y THERMAL dep. from TINYDRM_REPAPER
drm/amdgpu/powerplay: fix typo in mvdd table setup
Workaround for Cavium/Marvell ThunderX2 erratum #219.
* errata/tx2-219:
arm64: Allow CAVIUM_TX2_ERRATUM_219 to be selected
arm64: Avoid Cavium TX2 erratum 219 when switching TTBR
arm64: Enable workaround for Cavium TX2 erratum 219 when running SMT
arm64: KVM: Trap VM ops when ARM64_WORKAROUND_CAVIUM_TX2_219_TVM is set
-ttm: A couple fixes related to lifetime and restore prefault behavior
(Christian & Thomas)
-panfrost: Fill in missing feature reg values and fix stoppedjob timeouts
(Steven)
Cc: Qiang Yu <yuq825@gmail.com>
Cc: Thomas Hellstrom <thellstrom@vmware.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Steven Price <steven.price@arm.com>
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Merge tag 'drm-misc-fixes-2019-10-17' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
-dma-resv: Change shared_count to post-increment to fix lima crash (Qiang)
-ttm: A couple fixes related to lifetime and restore prefault behavior
(Christian & Thomas)
-panfrost: Fill in missing feature reg values and fix stoppedjob timeouts
(Steven)
Cc: Qiang Yu <yuq825@gmail.com>
Cc: Thomas Hellstrom <thellstrom@vmware.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Steven Price <steven.price@arm.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Sean Paul <sean@poorly.run>
Link: https://patchwork.freedesktop.org/patch/msgid/20191017203419.GA142909@art_vandelay
drm-fixes-5.4-2019-10-16:
amdgpu:
- Powerplay fix for SMU7 parts
- Bail earlier when cik/si support is not set to 1
- Fix an SDMA issue on navi
radeon:
- revert a PPC fix which broken x86
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191017022443.3853-1-alexander.deucher@amd.com
- Important circular locking fix
- Fix for preemption vs resubmission on virtual requests
- and a prep patch to make this last one to apply cleanly
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Merge tag 'drm-intel-fixes-2019-10-17' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
- Display fix on handling VBT information.
- Important circular locking fix
- Fix for preemption vs resubmission on virtual requests
- and a prep patch to make this last one to apply cleanly
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191017135444.GA12255@intel.com
Pull input fixes from Dmitry Torokhov:
"The main change is that we are reverting blanket enablement of SMBus
mode for devices with Elan touchpads that report BIOS release date as
2018+ because there are older boxes with updated BIOSes that still do
not work well in SMbus mode.
We will have to establish whitelist for SMBus mode it looks like"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Revert "Input: elantech - enable SMBus on new (2018+) systems"
Input: synaptics-rmi4 - avoid processing unknown IRQs
Input: soc_button_array - partial revert of support for newer surface devices
Input: goodix - add support for 9-bytes reports
Input: da9063 - fix capability and drop KEY_SLEEP
While it is useful for new drivers to use devm_platform_ioremap_resource,
this script is currently used to spam maintainers, often updating very
old drivers. The net benefit is the removal of 2 lines of code in the
driver but the review load for the maintainers is huge. As of now, more
that 560 patches have been sent, some of them obviously broken, as in:
https://lore.kernel.org/lkml/9bbcce19c777583815c92ce3c2ff2586@www.loen.fr/
Remove the script to reduce the spam.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Przemysław Kopa reports that since commit b516ea586d71 ("PCI: Enable
NVIDIA HDA controllers"), the discrete GPU Nvidia GeForce GT 540M on his
2011 Samsung laptop refuses to runtime suspend, resulting in a power
regression and excessive heat.
Rivera Valdez witnesses the same issue with a GeForce GT 525M (GF108M)
of the same era, as does another Arch Linux user named "R0AR" with a
more recent GeForce GTX 1050 Ti (GP107M).
The commit exposes the discrete GPU's HDA controller and all four codecs
on the controller do not set the CLKSTOP and EPSS bits in the Supported
Power States Response. They also do not set the PS-ClkStopOk bit in the
Get Power State Response. hda_codec_runtime_suspend() therefore does
not call snd_hdac_codec_link_down(), which prevents each codec and the
PCI device from runtime suspending.
The same issue is present on some AMD discrete GPUs and we addressed it
by forcing runtime PM despite the bits not being set, see commit
57cb54e53bdd ("ALSA: hda - Force to link down at runtime suspend on
ATI/AMD HDMI").
Do the same for Nvidia HDMI codecs.
Fixes: b516ea586d71 ("PCI: Enable NVIDIA HDA controllers")
Link: https://bbs.archlinux.org/viewtopic.php?pid=1865512
Link: https://bugs.freedesktop.org/show_bug.cgi?id=75985#c81
Reported-by: Przemysław Kopa <prymoo@gmail.com>
Reported-by: Rivera Valdez <riveravaldez@ysinembargo.com>
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Cc: Daniel Drake <dan@reactivated.net>
Cc: stable@vger.kernel.org # v5.3+
Link: https://lore.kernel.org/r/3086bc75135c1e3567c5bc4f3cc4ff5cbf7a56c2.1571324194.git.lukas@wunner.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Users of Intel P-Unit IPC driver might be surprised by harmless warning.
Thus, switch to API which doesn't issue a warning at all.
I²C multi-instantiate driver continues to add slave devices even when IRQ
resource is not found. For devices in the market IRQ resource is mandatory,
so, fail the ->probe() of the parent driver to avoid slaves being probed.
Avoid compiler warning due to unused variable in Classmate laptop driver.
The following is an automated git shortlog grouped by driver:
classmate-laptop:
- remove unused variable
i2c-multi-instantiate:
- Fail the probe if no IRQ provided
intel_punit_ipc:
- Avoid error message when retrieving IRQ
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Merge tag 'platform-drivers-x86-v5.4-3' of git://git.infradead.org/linux-platform-drivers-x86
Pull x86 platform driver fixes from Andy Shevchenko:
- Users of Intel P-Unit IPC driver might be surprised by harmless
warning. Thus, switch to API which doesn't issue a warning at all.
- I²C multi-instantiate driver continues to add slave devices even when
IRQ resource is not found. For devices in the market IRQ resource is
mandatory, so, fail the ->probe() of the parent driver to avoid
slaves being probed.
- Avoid compiler warning due to unused variable in Classmate laptop
driver.
* tag 'platform-drivers-x86-v5.4-3' of git://git.infradead.org/linux-platform-drivers-x86:
platform/x86: i2c-multi-instantiate: Fail the probe if no IRQ provided
platform/x86: intel_punit_ipc: Avoid error message when retrieving IRQ
platform/x86: classmate-laptop: remove unused variable
GFP_NOWAIT allocation can fail anytime - it doesn't wait for memory being
available and it fails if the mempool is exhausted and there is not enough
memory.
If we go down this path:
map_bio -> mg_start -> alloc_migration -> mempool_alloc(GFP_NOWAIT)
we can see that map_bio() doesn't check the return value of mg_start(),
and the bio is leaked.
If we go down this path:
map_bio -> mg_start -> mg_lock_writes -> alloc_prison_cell ->
dm_bio_prison_alloc_cell_v2 -> mempool_alloc(GFP_NOWAIT) ->
mg_lock_writes -> mg_complete
the bio is ended with an error - it is unacceptable because it could
cause filesystem corruption if the machine ran out of memory
temporarily.
Change GFP_NOWAIT to GFP_NOIO, so that the mempool code will properly
wait until memory becomes available. mempool_alloc with GFP_NOIO can't
fail, so remove the code paths that deal with allocation failure.
Cc: stable@vger.kernel.org
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
The fixes pertain to a problem with initializing the Intel GPIO
irqchips when adding gpiochips, Andy fixed it up elegantly by
adding a hardware initialization callback to the struct
gpio_irq_chip so let's use this. Tested and verified on the
target hardware.
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Merge tag 'gpio-v5.4-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
"The fixes pertain to a problem with initializing the Intel GPIO
irqchips when adding gpiochips.
Andy fixed it up elegantly by adding a hardware initialization
callback to the struct gpio_irq_chip so let's use this. Tested and
verified on the target hardware"
* tag 'gpio-v5.4-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: lynxpoint: set default handler to be handle_bad_irq()
gpio: merrifield: Move hardware initialization to callback
gpio: lynxpoint: Move hardware initialization to callback
gpio: intel-mid: Move hardware initialization to callback
gpiolib: Initialize the hardware with a callback
gpio: merrifield: Restore use of irq_base
On Asus MJ401TA (with Realtek ALC256), the headset mic is connected to
pin 0x19, with default configuration value 0x411111f0 (indicating no
physical connection).
Enable this by quirking the pin. Mic jack detection was also tested and
found to be working.
This enables use of the headset mic on this product.
Signed-off-by: Daniel Drake <drake@endlessm.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20191017081501.17135-1-drake@endlessm.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
As preempt-to-busy leaves the request on the HW as the resubmission is
processed, that request may complete in the background and even cause a
second virtual request to enter queue. This second virtual request
breaks our "single request in the virtual pipeline" assumptions.
Furthermore, as the virtual request may be completed and retired, we
lose the reference the virtual engine assumes is held. Normally, just
removing the request from the scheduler queue removes it from the
engine, but the virtual engine keeps track of its singleton request via
its ve->request. This pointer needs protecting with a reference.
v2: Drop unnecessary motion of rq->engine = owner
Fixes: 22b7a426bbe1 ("drm/i915/execlists: Preempt-to-busy")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190923152844.8914-1-chris@chris-wilson.co.uk
(cherry picked from commit b647c7df01b75761b4c0b1cb6f4841088c0b1121)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
The first come first served apporoach to handling the VBT
child device AUX ch conflicts has backfired. We have machines
in the wild where the VBT specifies both port A eDP and
port E DP (in that order) with port E being the real one.
So let's try to flip the preference around and let the last
child device win once again.
Cc: stable@vger.kernel.org
Cc: Jani Nikula <jani.nikula@intel.com>
Tested-by: Masami Ichikawa <masami256@gmail.com>
Tested-by: Torsten <freedesktop201910@liggy.de>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=111966
Fixes: 36a0f92020dc ("drm/i915/bios: make child device order the priority order")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191011202030.8829-1-ville.syrjala@linux.intel.com
Acked-by: Jani Nikula <jani.nikula@intel.com>
(cherry picked from commit 41e35ffb380bde1379e4030bb5b2ac824d5139cf)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Pull setting -EIO on the hung requests into its own utility function.
Having allowed ourselves to short-circuit submission of completed
requests, we can now do the mark_eio() prior to submission and avoid
some redundant operations.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190923110056.15176-4-chris@chris-wilson.co.uk
(cherry picked from commit 0d7cf7bc15e75bf79f2f65d61d19f896609f816a)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Sign-extending TTBR1 addresses when converting to an untagged address
breaks the documented POSIX semantics for mlock() in some obscure error
cases where we end up returning -EINVAL instead of -ENOMEM as a direct
result of rewriting the upper address bits.
Rework the untagged_addr() macro to preserve the upper address bits for
TTBR1 addresses and only clear the tag bits for user addresses. This
matches the behaviour of the 'clear_address_tag' assembly macro, so
rename that and align the implementations at the same time so that they
use the same instruction sequences for the tag manipulation.
Link: https://lore.kernel.org/stable/20191014162651.GF19200@arrakis.emea.arm.com/
Reported-by: Jan Stancek <jstancek@redhat.com>
Tested-by: Jan Stancek <jstancek@redhat.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Tested-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Tested-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Reviewed-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Will Deacon <will@kernel.org>
When detecting a spurious EL1 translation fault, we have the CPU retry
the translation using an AT S1E1R instruction, and inspect PAR_EL1 to
determine if the fault was spurious.
When PAR_EL1.F == 0, the AT instruction successfully translated the
address without a fault, which implies the original fault was spurious.
However, in this case we return false and treat the original fault as if
it was not spurious.
Invert the return value so that we treat such a case as spurious.
Cc: Catalin Marinas <catalin.marinas@arm.com>
Fixes: 42f91093b043 ("arm64: mm: Ignore spurious translation faults taken from the kernel")
Tested-by: James Morse <james.morse@arm.com>
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>
The 'F' field of the PAR_EL1 register lives in bit 0, not bit 1.
Fix the broken definition in 'sysreg.h'.
Fixes: e8620cff9994 ("arm64: sysreg: Add some field definitions for PAR_EL1")
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Will Deacon <will@kernel.org>
Preempting from IRQ-return means that the task has its PSTATE saved
on the stack, which will get restored when the task is resumed and does
the actual IRQ return.
However, enabling some CPU features requires modifying the PSTATE. This
means that, if a task was scheduled out during an IRQ-return before all
CPU features are enabled, the task might restore a PSTATE that does not
include the feature enablement changes once scheduled back in.
* Task 1:
PAN == 0 ---| |---------------
| |<- return from IRQ, PSTATE.PAN = 0
| <- IRQ |
+--------+ <- preempt() +--
^
|
reschedule Task 1, PSTATE.PAN == 1
* Init:
--------------------+------------------------
^
|
enable_cpu_features
set PSTATE.PAN on all CPUs
Worse than this, since PSTATE is untouched when task switching is done,
a task missing the new bits in PSTATE might affect another task, if both
do direct calls to schedule() (outside of IRQ/exception contexts).
Fix this by preventing preemption on IRQ-return until features are
enabled on all CPUs.
This way the only PSTATE values that are saved on the stack are from
synchronous exceptions. These are expected to be fatal this early, the
exception is BRK for WARN_ON(), but as this uses do_debug_exception()
which keeps IRQs masked, it shouldn't call schedule().
Signed-off-by: Julien Thierry <julien.thierry@arm.com>
[james: Replaced a really cool hack, with an even simpler static key in C.
expanded commit message with Julien's cover-letter ascii art]
Signed-off-by: James Morse <james.morse@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>
The __kthread_queue_delayed_work is not exported so
make it static, to avoid the following sparse warning:
kernel/kthread.c:869:6: warning: symbol '__kthread_queue_delayed_work' was not declared. Should it be static?
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
On a machine with a 64K PAGE_SIZE, the nested for loops in
test_check_nonzero_user() can lead to soft lockups, eg:
watchdog: BUG: soft lockup - CPU#4 stuck for 22s! [modprobe:611]
Modules linked in: test_user_copy(+) vmx_crypto gf128mul crc32c_vpmsum virtio_balloon ip_tables x_tables autofs4
CPU: 4 PID: 611 Comm: modprobe Tainted: G L 5.4.0-rc1-gcc-8.2.0-00001-gf5a1a536fa14-dirty #1151
...
NIP __might_sleep+0x20/0xc0
LR __might_fault+0x40/0x60
Call Trace:
check_zeroed_user+0x12c/0x200
test_user_copy_init+0x67c/0x1210 [test_user_copy]
do_one_initcall+0x60/0x340
do_init_module+0x7c/0x2f0
load_module+0x2d94/0x30e0
__do_sys_finit_module+0xc8/0x150
system_call+0x5c/0x68
Even with a 4K PAGE_SIZE the test takes multiple seconds. Instead
tweak it to only scan a 1024 byte region, but make it cross the
page boundary.
Fixes: f5a1a536fa14 ("lib: introduce copy_struct_from_user() helper")
Suggested-by: Aleksa Sarai <cyphar@cyphar.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Reviewed-by: Aleksa Sarai <cyphar@cyphar.com>
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Link: https://lore.kernel.org/r/20191016122732.13467-1-mpe@ellerman.id.au
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
If there are neither processor objects nor processor device objects
in the ACPI tables, the per-CPU processors table will not be
initialized and attempting to dereference pointers from there will
cause the kernel to crash. This happens in acpi_processor_ppc_init()
and acpi_thermal_cpufreq_init() after commit d15ce412737a ("ACPI:
cpufreq: Switch to QoS requests instead of cpufreq notifier")
which didn't add the requisite NULL pointer checks in there.
Add the NULL pointer checks to acpi_processor_ppc_init() and
acpi_thermal_cpufreq_init(), and to the corresponding "exit"
routines.
While at it, drop redundant return instructions from
acpi_processor_ppc_init() and acpi_thermal_cpufreq_init().
Fixes: d15ce412737a ("ACPI: cpufreq: Switch to QoS requests instead of cpufreq notifier")
Reported-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
change_bit implementation for XCHAL_HAVE_EXCLUSIVE case changes all bits
except the one required due to copy-paste error from clear_bit.
Cc: stable@vger.kernel.org # v5.2+
Fixes: f7c34874f04a ("xtensa: add exclusive atomics support")
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
This reverts commit 883a2a80f79ca5c0c105605fafabd1f3df99b34c.
Apparently use dmi_get_bios_year() as manufacturing date isn't accurate
and this breaks older laptops with new BIOS update.
So let's revert this patch.
There are still new HP laptops still need to use SMBus to support all
features, but it'll be enabled via a whitelist.
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20191001070845.9720-1-kai.heng.feng@canonical.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
There is an arbitrary difference between the system resume and
runtime resume code paths for PCI devices regarding the delay to
apply when switching the devices from D3cold to D0.
Namely, pci_restore_standard_config() used in the runtime resume
code path calls pci_set_power_state() which in turn invokes
__pci_start_power_transition() to power up the device through the
platform firmware and that function applies the transition delay
(as per PCI Express Base Specification Revision 2.0, Section 6.6.1).
However, pci_pm_default_resume_early() used in the system resume
code path calls pci_power_up() which doesn't apply the delay at
all and that causes issues to occur during resume from
suspend-to-idle on some systems where the delay is required.
Since there is no reason for that difference to exist, modify
pci_power_up() to follow pci_set_power_state() more closely and
invoke __pci_start_power_transition() from there to call the
platform firmware to power up the device (in case that's necessary).
Fixes: db288c9c5f9d ("PCI / PM: restore the original behavior of pci_set_power_state()")
Reported-by: Daniel Drake <drake@endlessm.com>
Tested-by: Daniel Drake <drake@endlessm.com>
Link: https://lore.kernel.org/linux-pm/CAD8Lp44TYxrMgPLkHCqF9hv6smEurMXvmmvmtyFhZ6Q4SE+dig@mail.gmail.com/T/#m21be74af263c6a34f36e0fc5c77c5449d9406925
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: 3.10+ <stable@vger.kernel.org> # 3.10+
Some minor bugfixes
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio fixes from Michael Tsirkin:
"Some minor bugfixes"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
vhost/test: stop device before reset
tools/virtio: xen stub
tools/virtio: more stubs
virt device tree incorrectly uses 0xf0000000 on both sides of PCI IO
ports address space mapping. This results in incorrect port address
assignment in PCI IO BARs and subsequent crash on attempt to access
them. Use 0 as base address in PCI IO ports address space.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Five changes, two in drivers (qla2xxx, zfcp), one to MAINTAINERS
(qla2xxx) and two in the core. The last two are mostly about removing
incorrect messages from the kernel log: the resid message is
definitely wrong and the sync cache on protected drive problem is
arguably wrong.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Five changes, two in drivers (qla2xxx, zfcp), one to MAINTAINERS
(qla2xxx) and two in the core.
The last two are mostly about removing incorrect messages from the
kernel log: the resid message is definitely wrong and the sync cache
on protected drive problem is arguably wrong"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: MAINTAINERS: Update qla2xxx driver
scsi: zfcp: fix reaction on bit error threshold notification
scsi: core: save/restore command resid for error handling
scsi: qla2xxx: Remove WARN_ON_ONCE in qla2x00_status_cont_entry()
scsi: sd: Ignore a failure to sync cache due to lack of authorization
HAVE_FAST_GUP enables the lockless quick page table walker for simple
cases, and is a nice optimization for some random loads that can then
use get_user_pages_fast() rather than the more careful page walker.
However, for some unexplained reason, it seems to be subtly broken on
sparc64. The breakage is only with some compiler versions and some
hardware, and nobody seems to have figured out what triggers it,
although there's a simple reprodicer for the problem when it does
trigger.
The problem was introduced with the conversion to the generic GUP code
in commit 7b9afb86b632 ("sparc64: use the generic get_user_pages_fast
code"), but nothing looks obviously wrong in that conversion. It may be
a compiler bug that just hits us with the code reorganization. Or it
may be something very specific to sparc64.
This disables HAVE_FAST_GUP entirely. That makes things like futexes a
bit slower, but at least they work. If we can figure out the trigger,
that would be lovely, but it's been three months already..
Link: https://lore.kernel.org/lkml/20190717215956.GA30369@altlinux.org/
Fixes: 7b9afb86b632 ("sparc64: use the generic get_user_pages_fast code")
Reported-by: Dmitry V Levin <ldv@altlinux.org>
Reported-by: Anatoly Pugachev <matorola@gmail.com>
Requested-by: Meelis Roos <mroos@linux.ee>
Suggested-by: Christoph Hellwig <hch@infradead.org>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Panfrost uses multiple schedulers (one for each slot, so 2 in reality),
and on a timeout has to stop all the schedulers to safely perform a
reset. However more than one scheduler can trigger a timeout at the same
time. This race condition results in jobs being freed while they are
still in use.
When stopping other slots use cancel_delayed_work_sync() to ensure that
any timeout started for that slot has completed. Also use
mutex_trylock() to obtain reset_lock. This means that only one thread
attempts the reset, the other threads will simply complete without doing
anything (the first thread will wait for this in the call to
cancel_delayed_work_sync()).
While we're here and since the function is already dependent on
sched_job not being NULL, let's remove the unnecessary checks.
Fixes: aa20236784ab ("drm/panfrost: Prevent concurrent resets")
Tested-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Steven Price <steven.price@arm.com>
Cc: stable@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20191009094456.9704-1-steven.price@arm.com
Pull parisc fixes from Helge Deller:
- Fix a parisc-specific fallout of Christoph's
dma_set_mask_and_coherent() patches (Sven)
- Fix a vmap memory leak in ioremap()/ioremap() (Helge)
- Some minor cleanups and documentation updates (Nick, Helge)
* 'parisc-5.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Remove 32-bit DMA enforcement from sba_iommu
parisc: Fix vmap memory leak in ioremap()/iounmap()
parisc: prefer __section from compiler_attributes.h
parisc: sysctl.c: Use CONFIG_PARISC instead of __hppa_ define
MAINTAINERS: Add hp_sdc drivers to parisc arch
Pull dmi fix from Jean Delvare.
* 'dmi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
firmware: dmi: Fix unlikely out-of-bounds read in save_mem_devices
