Commit Graph

983489 Commits

Author SHA1 Message Date
Roderick Colenbrander
0b25b55d34 HID: playstation: report DualSense hardware and firmware version.
Retrieve DualSense hardware and firmware information using a vendor
specific feature report. Report the data through sysfs and also
report using hid_info as there can be signficant differences between
versions.

Signed-off-by: Roderick Colenbrander <roderick.colenbrander@sony.com>
Reviewed-by: Barnabás Pőcze <pobrn@protonmail.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
2021-02-17 18:34:49 +01:00
Roderick Colenbrander
51151098d7 HID: playstation: add DualSense classic rumble support.
The DualSense features a haptics system based on voicecoil motors,
which requires PCM data (or special HID packets using Bluetooth). There
is no appropriate API yet in the Linux kernel to expose these. The
controller also provides a classic rumble feature for backwards
compatibility. Expose this classic rumble feature using the FF framework.

Signed-off-by: Roderick Colenbrander <roderick.colenbrander@sony.com>
Reviewed-by: Barnabás Pőcze <pobrn@protonmail.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
2021-02-11 16:57:26 +01:00
Roderick Colenbrander
799b2b533a HID: playstation: add DualSense Bluetooth support.
This patch adds support for the DualSense when operating in Bluetooth mode.
The device has the same behavior as the DualShock 4 in that by default it
sends a limited input report (0x1), but after requesting calibration data,
it switches to an extended input report (report 49), which adds data for
touchpad, motion sensors, battery and more.

Signed-off-by: Roderick Colenbrander <roderick.colenbrander@sony.com>
Reviewed-by: Barnabás Pőcze <pobrn@protonmail.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
2021-02-11 16:57:22 +01:00
Roderick Colenbrander
53f04e8357 HID: playstation: track devices in list.
Track devices in a list, so we can detect when a device is connected
twice when using Bluetooth and USB.

Signed-off-by: Roderick Colenbrander <roderick.colenbrander@sony.com>
Reviewed-by: Barnabás Pőcze <pobrn@protonmail.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
2021-02-11 16:57:18 +01:00
Roderick Colenbrander
402987c5d9 HID: playstation: add DualSense accelerometer and gyroscope support.
The DualSense features an accelerometer and gyroscope. The data is
embedded into the main HID input reports. Expose both sensors through
through a separate evdev node.

Signed-off-by: Roderick Colenbrander <roderick.colenbrander@sony.com>
Reviewed-by: Barnabás Pőcze <pobrn@protonmail.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
2021-02-11 16:57:13 +01:00
Roderick Colenbrander
f6bb05fcb2 HID: playstation: add DualSense touchpad support.
Implement support for DualSense touchpad as a separate input device.

Signed-off-by: Roderick Colenbrander <roderick.colenbrander@sony.com>
Reviewed-by: Barnabás Pőcze <pobrn@protonmail.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
2021-02-11 16:57:09 +01:00
Roderick Colenbrander
d30bca4480 HID: playstation: add DualSense battery support.
Report DualSense battery status information through power_supply class.

Signed-off-by: Roderick Colenbrander <roderick.colenbrander@sony.com>
Reviewed-by: Barnabás Pőcze <pobrn@protonmail.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
2021-02-11 16:57:06 +01:00
Roderick Colenbrander
b99dcefd78 HID: playstation: use DualSense MAC address as unique identifier.
Use the DualSense MAC address as a unique identifier for the HID device.

Signed-off-by: Roderick Colenbrander <roderick.colenbrander@sony.com>
Reviewed-by: Barnabás Pőcze <pobrn@protonmail.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
2021-02-11 16:57:01 +01:00
Roderick Colenbrander
bc2e15a9a0 HID: playstation: initial DualSense USB support.
Implement support for PlayStation DualSense gamepad in USB mode.
Support features include buttons and sticks, which adhere to the
Linux gamepad spec.

Signed-off-by: Roderick Colenbrander <roderick.colenbrander@sony.com>
Reviewed-by: Barnabás Pőcze <pobrn@protonmail.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
2021-02-11 16:56:40 +01:00
Linus Torvalds
25221c99c5 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID fixes from Jiri Kosina:

 - NULL pointer dereference regression fix for Wacom driver (Jason
   Gerecke)

 - functional regression fix for pam handling on some Elan and Synaptics
   touchpads (Kai-Heng Feng)

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
  HID: wacom: Correct NULL dereference on AES pen proximity
  HID: multitouch: Apply MT_QUIRK_CONFIDENCE quirk for multi-input devices
2021-01-28 09:23:01 -08:00
Linus Torvalds
fc856f1df7 media fixes for v5.11-rc6
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Merge tag 'media/v5.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media fixes from Mauro Carvalho Chehab:

 - a V4L2 core regression at videobuf2 when checking for single-plane
   dmabuf

 - a change at uAPI header v4l2-subdev.h, fixing a breakage as BIT()
   macro is not available in userspace

 - fix some regressions at RC core due to the usage of microseconds
   everywhere on it

 - a fix for a race condition at RC core

 - a rename on a newly-introduced kAPI symbol (v4l2_get_link_rate),
   currently used only by a single driver

 - Regression fixes for rcar-vin, cedrus, ite-cir, hantro, css, venus,
   and cec drivers.

* tag 'media/v5.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
  media: hantro: Fix reset_raw_fmt initialization
  media: cec: add stm32 driver
  media: cedrus: Fix H264 decoding
  media: v4l2-subdev.h: BIT() is not available in userspace
  media: Revert "media: videobuf2: Fix length check for single plane dmabuf queueing"
  media: rc: ite-cir: fix min_timeout calculation
  media: venus: core: Fix platform driver shutdown
  media: rc: fix timeout handling after switch to microsecond durations
  media: v4l: common: Fix naming of v4l2_get_link_rate
  media: rcar-vin: fix return, use ret instead of zero
  media: ccs: Get static data version minor correctly
  media: ccs-pll: Fix link frequency for C-PHY
  media: rc: ensure that uevent can be read directly after rc device register
2021-01-28 09:18:05 -08:00
Linus Torvalds
a467b07361 A handful of clk driver fixes
- Build fix for CONFIG_PM=n in the mmp2 driver
  - Kconfig warning for unmet dependencies in the i.MX driver
  - Make the camera AHB clk always be enabled on qcom sc7180
  - Use rate round down semantics for qcom sm8250 SD clks
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk fixes from Stephen Boyd:
 "A handful of clk driver fixes:

   - Build fix for CONFIG_PM=n in the mmp2 driver

   - Kconfig warning for unmet dependencies in the i.MX driver

   - Make the camera AHB clk always be enabled on qcom sc7180

   - Use rate round down semantics for qcom sm8250 SD clks"

* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
  clk: mmp2: fix build without CONFIG_PM
  clk: qcom: gcc-sm250: Use floor ops for sdcc clks
  clk: imx: fix Kconfig warning for i.MX SCU clk
  clk: qcom: gcc-sc7180: Mark the camera abh clock always ON
2021-01-28 09:14:58 -08:00
Linus Torvalds
be4a338596 sound fixes for 5.11-rc6
Although the incoming fixes haven't settled down yet, all changes
 here are small and mostly device-specific fixes, so nothing look
 worrisome.
 
 - Yet another USB-audio regression fixes
 - HD-audio ID fix and device-specific quirks
 - SOF Intel / SoundWire fixes including topology
 - ASoC Qualcomm and Mediatek fixes
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Merge tag 'sound-5.11-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "Although the incoming fixes haven't settled down yet, all changes here
  are small and mostly device-specific fixes, so nothing look worrisome.

   - Yet another USB-audio regression fixes

   - HD-audio ID fix and device-specific quirks

   - SOF Intel / SoundWire fixes including topology

   - ASoC Qualcomm and Mediatek fixes"

* tag 'sound-5.11-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (24 commits)
  ALSA: hda/via: Apply the workaround generically for Clevo machines
  ASoC: Intel: sof_sdw: set proper flags for Dell TGL-H SKU 0A5E
  ASoC: qcom: lpass: Fix out-of-bounds DAI ID lookup
  ASoC: mediatek: mt8192-mt6359: add format constraints for RT5682
  ASoC: ak4458: correct reset polarity
  ASoC: SOF: SND_INTEL_DSP_CONFIG dependency
  ASoC: SOF: Intel: soundwire: fix select/depend unmet dependencies
  ALSA: hda: intel-dsp-config: add PCI id for TGL-H
  ALSA: usb-audio: workaround for iface reset issue
  ALSA: pcm: One more dependency for hw constraints
  ALSA: hda/realtek: Enable headset of ASUS B1400CEPE with ALC256
  ASoC: Intel: Skylake: Zero snd_ctl_elem_value
  ASoC: Intel: Skylake: skl-topology: Fix OOPs ib skl_tplg_complete
  ASoC: qcom: Fix number of HDMI RDMA channels on sc7180
  ASoC: mediatek: mt8183-da7219: ignore TDM DAI link by default
  ASoC: mediatek: mt8183-mt6358: ignore TDM DAI link by default
  ASoC: topology: Properly unregister DAI on removal
  ASoC: topology: Fix memory corruption in soc_tplg_denum_create_values()
  ASoC: qcom: lpass-ipq806x: fix bitwidth regmap field
  ASoC: AMD Renoir - refine DMI entries for some Lenovo products
  ...
2021-01-28 09:06:52 -08:00
Wang Hai
757fed1d08 Revert "mm/slub: fix a memory leak in sysfs_slab_add()"
This reverts commit dde3c6b72a.

syzbot report a double-free bug. The following case can cause this bug.

 - mm/slab_common.c: create_cache(): if the __kmem_cache_create() fails,
   it does:

	out_free_cache:
		kmem_cache_free(kmem_cache, s);

 - but __kmem_cache_create() - at least for slub() - will have done

	sysfs_slab_add(s)
		-> sysfs_create_group() .. fails ..
		-> kobject_del(&s->kobj); .. which frees s ...

We can't remove the kmem_cache_free() in create_cache(), because other
error cases of __kmem_cache_create() do not free this.

So, revert the commit dde3c6b72a ("mm/slub: fix a memory leak in
sysfs_slab_add()") to fix this.

Reported-by: syzbot+d0bd96b4696c1ef67991@syzkaller.appspotmail.com
Fixes: dde3c6b72a ("mm/slub: fix a memory leak in sysfs_slab_add()")
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-01-28 09:05:44 -08:00
Linus Torvalds
76c057c84d Merge branch 'parisc-5.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc fixes from Helge Deller:
 "Two small fixes:

   - Fix linking error with 64-bit kernel when modules are disabled,
     reported by kernel test robot

   - Remove leftover reference to power_tasklet, by Davidlohr Bueso"

* 'parisc-5.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
  parisc: Enable -mlong-calls gcc option by default when !CONFIG_MODULES
  parisc: Remove leftover reference to the power_tasklet
2021-01-27 11:06:15 -08:00
Ævar Arnfjörð Bjarmason
2ab38c17aa mailmap: remove the "repo-abbrev" comment
Remove the magical "repo-abbrev" comment added when this file was
introduced in e0ab1ec9fc ([PATCH] add .mailmap for proper
git-shortlog output, 2007-02-14).

It's been an undocumented feature of git-shortlog(1), originally added
to git for Linus's use. Since then he's no longer using it[1], and
I've removed the feature in git.git's 4e168333a87 (shortlog: remove
unused(?) "repo-abbrev" feature, 2021-01-12). It's on the "master"
branch, but not yet in a release version.

Let's also remove it from linux.git, both as a heads-up to any
potential users of it in linux.git whose use would be broken sooner
than later by git itself, and because it'll eventually be entirely
redundant.

1. https://lore.kernel.org/git/CAHk-=wixHyBKZVUcxq+NCWMbkrX0xnppb7UCopRWw1+oExYpYw@mail.gmail.com/

Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-01-26 11:40:17 -08:00
Helge Deller
00e35f2b0e parisc: Enable -mlong-calls gcc option by default when !CONFIG_MODULES
When building a kernel without module support, the CONFIG_MLONGCALL option
needs to be enabled in order to reach symbols which are outside of a 22-bit
branch.

This patch changes the autodetection in the Kconfig script to always enable
CONFIG_MLONGCALL when modules are disabled and uses a far call to
preempt_schedule_irq() in intr_do_preempt() to reach the symbol in all cases.

Signed-off-by: Helge Deller <deller@gmx.de>
Reported-by: kernel test robot <lkp@intel.com>
Cc: stable@vger.kernel.org # v5.6+
2021-01-26 20:16:21 +01:00
Linus Torvalds
4992eb41ab * x86 bugfixes
* Documentation fixes
 * Avoid performance regression due to SEV-ES patches
 
 ARM:
 - Don't allow tagged pointers to point to memslots
 - Filter out ARMv8.1+ PMU events on v8.0 hardware
 - Hide PMU registers from userspace when no PMU is configured
 - More PMU cleanups
 - Don't try to handle broken PSCI firmware
 - More sys_reg() to reg_to_encoding() conversions
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm fixes from Paolo Bonzini:

 -  x86 bugfixes

 - Documentation fixes

 - Avoid performance regression due to SEV-ES patches

 - ARM:
     - Don't allow tagged pointers to point to memslots
     - Filter out ARMv8.1+ PMU events on v8.0 hardware
     - Hide PMU registers from userspace when no PMU is configured
     - More PMU cleanups
     - Don't try to handle broken PSCI firmware
     - More sys_reg() to reg_to_encoding() conversions

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: x86: allow KVM_REQ_GET_NESTED_STATE_PAGES outside guest mode for VMX
  KVM: x86: Revert "KVM: x86: Mark GPRs dirty when written"
  KVM: SVM: Unconditionally sync GPRs to GHCB on VMRUN of SEV-ES guest
  KVM: nVMX: Sync unsync'd vmcs02 state to vmcs12 on migration
  kvm: tracing: Fix unmatched kvm_entry and kvm_exit events
  KVM: Documentation: Update description of KVM_{GET,CLEAR}_DIRTY_LOG
  KVM: x86: get smi pending status correctly
  KVM: x86/pmu: Fix HW_REF_CPU_CYCLES event pseudo-encoding in intel_arch_events[]
  KVM: x86/pmu: Fix UBSAN shift-out-of-bounds warning in intel_pmu_refresh()
  KVM: x86: Add more protection against undefined behavior in rsvd_bits()
  KVM: Documentation: Fix spec for KVM_CAP_ENABLE_CAP_VM
  KVM: Forbid the use of tagged userspace addresses for memslots
  KVM: arm64: Filter out v8.1+ events on v8.0 HW
  KVM: arm64: Compute TPIDR_EL2 ignoring MTE tag
  KVM: arm64: Use the reg_to_encoding() macro instead of sys_reg()
  KVM: arm64: Allow PSCI SYSTEM_OFF/RESET to return
  KVM: arm64: Simplify handling of absent PMU system registers
  KVM: arm64: Hide PMU registers from userspace when not available
2021-01-26 11:10:14 -08:00
Linus Torvalds
c7230a48ed spi: Fixes for v5.11
One new device ID here, plus an error handling fix - nothing remarkable
 in either.
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Merge tag 'spi-fix-v5.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi fixes from Mark Brown:
 "One new device ID here, plus an error handling fix - nothing
  remarkable in either"

* tag 'spi-fix-v5.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
  spidev: Add cisco device compatible
  spi: altera: Fix memory leak on error path
2021-01-26 11:03:30 -08:00
Linus Torvalds
5bec2487ff regulator: Fixes for v5.11
The main thing here is a change to make sure that we don't try to double
 resolve the supply of a regulator if we have two probes going on
 simultaneously, plus an incremental fix on top of that to resolve a
 lockdep issue it introduced.
 
 There's also a patch from Dmitry Osipenko adding stubs for some
 functions to avoid build issues in consumers in some configurations.
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Merge tag 'regulator-fix-v5.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator fixes from Mark Brown:
 "The main thing here is a change to make sure that we don't try to
  double resolve the supply of a regulator if we have two probes going
  on simultaneously, plus an incremental fix on top of that to resolve a
  lockdep issue it introduced.

  There's also a patch from Dmitry Osipenko adding stubs for some
  functions to avoid build issues in consumers in some configurations"

* tag 'regulator-fix-v5.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: Fix lockdep warning resolving supplies
  regulator: consumer: Add missing stubs to regulator/consumer.h
  regulator: core: avoid regulator_resolve_supply() race condition
2021-01-26 10:59:01 -08:00
Davidlohr Bueso
0aa91f84b1 parisc: Remove leftover reference to the power_tasklet
This was removed long ago, back in:

     6e16d9409e ([PARISC] Convert soft power switch driver to kthread)

Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
Signed-off-by: Helge Deller <deller@gmx.de>
2021-01-26 19:57:26 +01:00
Linus Torvalds
377bf660d0 Revert "mm: fix initialization of struct page for holes in memory layout"
This reverts commit d3921cb8be.

Chris Wilson reports that it causes boot problems:

 "We have half a dozen or so different machines in CI that are silently
  failing to boot, that we believe is bisected to this patch"

and the CI team confirmed that a revert fixed the issues.

The cause is unknown for now, so let's revert it.

Link: https://lore.kernel.org/lkml/161160687463.28991.354987542182281928@build.alporthouse.com/
Reported-and-tested-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Mike Rapoport <rppt@linux.ibm.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-01-26 10:39:46 -08:00
Ricardo Ribalda
e081863ab4 media: hantro: Fix reset_raw_fmt initialization
raw_fmt->height in never initialized. But width in initialized twice.

Fixes: 88d06362d1 ("media: hantro: Refactor for V4L2 API spec compliancy")
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Cc: <stable@vger.kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2021-01-26 19:16:27 +01:00
Yannick Fertre
eaf18a4165 media: cec: add stm32 driver
Missing stm32 directory to Makefile.

Signed-off-by: Yannick Fertre <yannick.fertre@foss.st.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Fixes: 4be5e8648b ("media: move CEC platform drivers to a separate directory")
Cc: <stable@vger.kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2021-01-26 19:15:54 +01:00
Jernej Skrabec
73bc0b0c2a media: cedrus: Fix H264 decoding
During H264 API overhaul subtle bug was introduced Cedrus driver.
Progressive references have both, top and bottom reference flags set.
Cedrus reference list expects only bottom reference flag and only when
interlaced frames are decoded. However, due to a bug in Cedrus check,
exclusivity is not tested and that flag is set also for progressive
references. That causes "jumpy" background with many videos.

Fix that by checking that only bottom reference flag is set in control
and nothing else.

Tested-by: Andre Heider <a.heider@gmail.com>
Fixes: cfc8c3ed53 ("media: cedrus: h264: Properly configure reference field")
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Cc: <stable@vger.kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2021-01-26 19:15:32 +01:00
Hans Verkuil
a53e3c189c media: v4l2-subdev.h: BIT() is not available in userspace
The BIT macro is not available in userspace, so replace BIT(0) by
0x00000001.

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Fixes: 6446ec6cbf ("media: v4l2-subdev: add VIDIOC_SUBDEV_QUERYCAP ioctl")
Cc: <stable@vger.kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2021-01-26 19:14:33 +01:00
Takashi Iwai
4961167bf7 ALSA: hda/via: Apply the workaround generically for Clevo machines
We've got another report indicating a similar problem wrt the
power-saving behavior with VIA codec on Clevo machines.  Let's apply
the existing workaround generically to all Clevo devices with VIA
codecs to cover all in once.

BugLink: https://bugzilla.opensuse.org/show_bug.cgi?id=1181330
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20210126165603.11683-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-01-26 18:05:03 +01:00
Takashi Iwai
49951ae308 ASoC: Fixes for v5.11
More fixes for v5.11, almost all driver specific issues including new
 device IDs - there's one error handling fix for the topology stuff too.
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Merge tag 'asoc-fix-v5.11-rc5' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v5.11

More fixes for v5.11, almost all driver specific issues including new
device IDs - there's one error handling fix for the topology stuff too.
2021-01-26 13:45:53 +01:00
Jason Gerecke
179e8e47c0 HID: wacom: Correct NULL dereference on AES pen proximity
The recent commit to fix a memory leak introduced an inadvertant NULL
pointer dereference. The `wacom_wac->pen_fifo` variable was never
intialized, resuling in a crash whenever functions tried to use it.
Since the FIFO is only used by AES pens (to buffer events from pen
proximity until the hardware reports the pen serial number) this would
have been easily overlooked without testing an AES device.

This patch converts `wacom_wac->pen_fifo` over to a pointer (since the
call to `devres_alloc` allocates memory for us) and ensures that we assign
it to point to the allocated and initalized `pen_fifo` before the function
returns.

Link: https://github.com/linuxwacom/input-wacom/issues/230
Fixes: 37309f47e2 ("HID: wacom: Fix memory leakage caused by kfifo_alloc")
CC: stable@vger.kernel.org # v4.19+
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Tested-by: Ping Cheng <ping.cheng@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2021-01-26 11:53:53 +01:00
Paolo Bonzini
9a78e15802 KVM: x86: allow KVM_REQ_GET_NESTED_STATE_PAGES outside guest mode for VMX
VMX also uses KVM_REQ_GET_NESTED_STATE_PAGES for the Hyper-V eVMCS,
which may need to be loaded outside guest mode.  Therefore we cannot
WARN in that case.

However, that part of nested_get_vmcs12_pages is _not_ needed at
vmentry time.  Split it out of KVM_REQ_GET_NESTED_STATE_PAGES handling,
so that both vmentry and migration (and in the latter case, independent
of is_guest_mode) do the parts that are needed.

Cc: <stable@vger.kernel.org> # 5.10.x: f2c7ef3ba: KVM: nSVM: cancel KVM_REQ_GET_NESTED_STATE_PAGES
Cc: <stable@vger.kernel.org> # 5.10.x
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-01-25 18:54:09 -05:00
Sean Christopherson
aed89418de KVM: x86: Revert "KVM: x86: Mark GPRs dirty when written"
Revert the dirty/available tracking of GPRs now that KVM copies the GPRs
to the GHCB on any post-VMGEXIT VMRUN, even if a GPR is not dirty.  Per
commit de3cd117ed ("KVM: x86: Omit caching logic for always-available
GPRs"), tracking for GPRs noticeably impacts KVM's code footprint.

This reverts commit 1c04d8c986.

Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20210122235049.3107620-3-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-01-25 18:52:10 -05:00
Sean Christopherson
250091409a KVM: SVM: Unconditionally sync GPRs to GHCB on VMRUN of SEV-ES guest
Drop the per-GPR dirty checks when synchronizing GPRs to the GHCB, the
GRPs' dirty bits are set from time zero and never cleared, i.e. will
always be seen as dirty.  The obvious alternative would be to clear
the dirty bits when appropriate, but removing the dirty checks is
desirable as it allows reverting GPR dirty+available tracking, which
adds overhead to all flavors of x86 VMs.

Note, unconditionally writing the GPRs in the GHCB is tacitly allowed
by the GHCB spec, which allows the hypervisor (or guest) to provide
unnecessary info; it's the guest's responsibility to consume only what
it needs (the hypervisor is untrusted after all).

  The guest and hypervisor can supply additional state if desired but
  must not rely on that additional state being provided.

Cc: Brijesh Singh <brijesh.singh@amd.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Fixes: 291bd20d5d ("KVM: SVM: Add initial support for a VMGEXIT VMEXIT")
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20210122235049.3107620-2-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-01-25 18:52:09 -05:00
Maxim Levitsky
d51e1d3f6b KVM: nVMX: Sync unsync'd vmcs02 state to vmcs12 on migration
Even when we are outside the nested guest, some vmcs02 fields
may not be in sync vs vmcs12.  This is intentional, even across
nested VM-exit, because the sync can be delayed until the nested
hypervisor performs a VMCLEAR or a VMREAD/VMWRITE that affects those
rarely accessed fields.

However, during KVM_GET_NESTED_STATE, the vmcs12 has to be up to date to
be able to restore it.  To fix that, call copy_vmcs02_to_vmcs12_rare()
before the vmcs12 contents are copied to userspace.

Fixes: 7952d769c2 ("KVM: nVMX: Sync rarely accessed guest fields only when needed")
Reviewed-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-Id: <20210114205449.8715-2-mlevitsk@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-01-25 18:52:09 -05:00
Lorenzo Brescia
d95df95106 kvm: tracing: Fix unmatched kvm_entry and kvm_exit events
On VMX, if we exit and then re-enter immediately without leaving
the vmx_vcpu_run() function, the kvm_entry event is not logged.
That means we will see one (or more) kvm_exit, without its (their)
corresponding kvm_entry, as shown here:

 CPU-1979 [002] 89.871187: kvm_entry: vcpu 1
 CPU-1979 [002] 89.871218: kvm_exit:  reason MSR_WRITE
 CPU-1979 [002] 89.871259: kvm_exit:  reason MSR_WRITE

It also seems possible for a kvm_entry event to be logged, but then
we leave vmx_vcpu_run() right away (if vmx->emulation_required is
true). In this case, we will have a spurious kvm_entry event in the
trace.

Fix these situations by moving trace_kvm_entry() inside vmx_vcpu_run()
(where trace_kvm_exit() already is).

A trace obtained with this patch applied looks like this:

 CPU-14295 [000] 8388.395387: kvm_entry: vcpu 0
 CPU-14295 [000] 8388.395392: kvm_exit:  reason MSR_WRITE
 CPU-14295 [000] 8388.395393: kvm_entry: vcpu 0
 CPU-14295 [000] 8388.395503: kvm_exit:  reason EXTERNAL_INTERRUPT

Of course, not calling trace_kvm_entry() in common x86 code any
longer means that we need to adjust the SVM side of things too.

Signed-off-by: Lorenzo Brescia <lorenzo.brescia@edu.unito.it>
Signed-off-by: Dario Faggioli <dfaggioli@suse.com>
Message-Id: <160873470698.11652.13483635328769030605.stgit@Wayrath>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-01-25 18:52:08 -05:00
Zenghui Yu
01ead84ccd KVM: Documentation: Update description of KVM_{GET,CLEAR}_DIRTY_LOG
Update various words, including the wrong parameter name and the vague
description of the usage of "slot" field.

Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Message-Id: <20201208043439.895-1-yuzenghui@huawei.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-01-25 18:52:08 -05:00
Jay Zhou
1f7becf1b7 KVM: x86: get smi pending status correctly
The injection process of smi has two steps:

    Qemu                        KVM
Step1:
    cpu->interrupt_request &= \
        ~CPU_INTERRUPT_SMI;
    kvm_vcpu_ioctl(cpu, KVM_SMI)

                                call kvm_vcpu_ioctl_smi() and
                                kvm_make_request(KVM_REQ_SMI, vcpu);

Step2:
    kvm_vcpu_ioctl(cpu, KVM_RUN, 0)

                                call process_smi() if
                                kvm_check_request(KVM_REQ_SMI, vcpu) is
                                true, mark vcpu->arch.smi_pending = true;

The vcpu->arch.smi_pending will be set true in step2, unfortunately if
vcpu paused between step1 and step2, the kvm_run->immediate_exit will be
set and vcpu has to exit to Qemu immediately during step2 before mark
vcpu->arch.smi_pending true.
During VM migration, Qemu will get the smi pending status from KVM using
KVM_GET_VCPU_EVENTS ioctl at the downtime, then the smi pending status
will be lost.

Signed-off-by: Jay Zhou <jianjay.zhou@huawei.com>
Signed-off-by: Shengen Zhuang <zhuangshengen@huawei.com>
Message-Id: <20210118084720.1585-1-jianjay.zhou@huawei.com>
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-01-25 18:52:07 -05:00
Like Xu
98dd2f108e KVM: x86/pmu: Fix HW_REF_CPU_CYCLES event pseudo-encoding in intel_arch_events[]
The HW_REF_CPU_CYCLES event on the fixed counter 2 is pseudo-encoded as
0x0300 in the intel_perfmon_event_map[]. Correct its usage.

Fixes: 62079d8a43 ("KVM: PMU: add proper support for fixed counter 2")
Signed-off-by: Like Xu <like.xu@linux.intel.com>
Message-Id: <20201230081916.63417-1-like.xu@linux.intel.com>
Reviewed-by: Sean Christopherson <seanjc@google.com>
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-01-25 18:52:07 -05:00
Like Xu
e61ab2a320 KVM: x86/pmu: Fix UBSAN shift-out-of-bounds warning in intel_pmu_refresh()
Since we know vPMU will not work properly when (1) the guest bit_width(s)
of the [gp|fixed] counters are greater than the host ones, or (2) guest
requested architectural events exceeds the range supported by the host, so
we can setup a smaller left shift value and refresh the guest cpuid entry,
thus fixing the following UBSAN shift-out-of-bounds warning:

shift exponent 197 is too large for 64-bit type 'long long unsigned int'

Call Trace:
 __dump_stack lib/dump_stack.c:79 [inline]
 dump_stack+0x107/0x163 lib/dump_stack.c:120
 ubsan_epilogue+0xb/0x5a lib/ubsan.c:148
 __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x181 lib/ubsan.c:395
 intel_pmu_refresh.cold+0x75/0x99 arch/x86/kvm/vmx/pmu_intel.c:348
 kvm_vcpu_after_set_cpuid+0x65a/0xf80 arch/x86/kvm/cpuid.c:177
 kvm_vcpu_ioctl_set_cpuid2+0x160/0x440 arch/x86/kvm/cpuid.c:308
 kvm_arch_vcpu_ioctl+0x11b6/0x2d70 arch/x86/kvm/x86.c:4709
 kvm_vcpu_ioctl+0x7b9/0xdb0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3386
 vfs_ioctl fs/ioctl.c:48 [inline]
 __do_sys_ioctl fs/ioctl.c:753 [inline]
 __se_sys_ioctl fs/ioctl.c:739 [inline]
 __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:739
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

Reported-by: syzbot+ae488dc136a4cc6ba32b@syzkaller.appspotmail.com
Signed-off-by: Like Xu <like.xu@linux.intel.com>
Message-Id: <20210118025800.34620-1-like.xu@linux.intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-01-25 18:52:06 -05:00
Sean Christopherson
eb79cd00ce KVM: x86: Add more protection against undefined behavior in rsvd_bits()
Add compile-time asserts in rsvd_bits() to guard against KVM passing in
garbage hardcoded values, and cap the upper bound at '63' for dynamic
values to prevent generating a mask that would overflow a u64.

Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20210113204515.3473079-1-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-01-25 18:52:06 -05:00
Quentin Perret
a10f373ad3 KVM: Documentation: Fix spec for KVM_CAP_ENABLE_CAP_VM
The documentation classifies KVM_ENABLE_CAP with KVM_CAP_ENABLE_CAP_VM
as a vcpu ioctl, which is incorrect. Fix it by specifying it as a VM
ioctl.

Fixes: e5d83c74a5 ("kvm: make KVM_CAP_ENABLE_CAP_VM architecture agnostic")
Signed-off-by: Quentin Perret <qperret@google.com>
Message-Id: <20210108165349.747359-1-qperret@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-01-25 18:52:06 -05:00
Paolo Bonzini
615099b01e KVM/arm64 fixes for 5.11, take #2
- Don't allow tagged pointers to point to memslots
 - Filter out ARMv8.1+ PMU events on v8.0 hardware
 - Hide PMU registers from userspace when no PMU is configured
 - More PMU cleanups
 - Don't try to handle broken PSCI firmware
 - More sys_reg() to reg_to_encoding() conversions
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Merge tag 'kvmarm-fixes-5.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

KVM/arm64 fixes for 5.11, take #2

- Don't allow tagged pointers to point to memslots
- Filter out ARMv8.1+ PMU events on v8.0 hardware
- Hide PMU registers from userspace when no PMU is configured
- More PMU cleanups
- Don't try to handle broken PSCI firmware
- More sys_reg() to reg_to_encoding() conversions
2021-01-25 18:52:01 -05:00
Linus Torvalds
13391c60da Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fix from Herbert Xu:
 "Fix a regression in the cesa driver"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  crypto: marvel/cesa - Fix tdma descriptor on 64-bit
2021-01-25 15:26:51 -08:00
Johannes Berg
f8ad8187c3 fs/pipe: allow sendfile() to pipe again
After commit 36e2c7421f ("fs: don't allow splice read/write
without explicit ops") sendfile() could no longer send data
from a real file to a pipe, breaking for example certain cgit
setups (e.g. when running behind fcgiwrap), because in this
case cgit will try to do exactly this: sendfile() to a pipe.

Fix this by using iter_file_splice_write for the splice_write
method of pipes, as suggested by Christoph.

Cc: stable@vger.kernel.org
Fixes: 36e2c7421f ("fs: don't allow splice read/write without explicit ops")
Suggested-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Tested-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-01-25 12:32:26 -08:00
Sami Tolvanen
9f12e37cae Commit 9bb48c82ac ("tty: implement write_iter") converted the tty
layer to use write_iter. Fix the redirected_tty_write declaration
also in n_tty and change the comparisons to use write_iter instead of
write.

[ Also moved the declaration of redirected_tty_write() to the proper
  location in a header file. The reason for the bug was the bogus extern
  declaration in n_tty.c silently not matching the changed definition in
  tty_io.c, and because it wasn't in a shared header file, there was no
  cross-checking of the declaration.

  Sami noticed because Clang's Control Flow Integrity checking ended up
  incidentally noticing the inconsistent declaration.    - Linus ]

Fixes: 9bb48c82ac ("tty: implement write_iter")
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-01-25 12:08:07 -08:00
Linus Torvalds
007ad27d7b Printk urgent fixup for 5.11-rc6
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Merge tag 'printk-for-5.11-urgent-fixup' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux

Pull printk fix from Petr Mladek:
 "The fix of a potential buffer overflow in 5.11-rc5 introduced another
  one. The trailing '\0' might be written up to the message "len" past
  the buffer. Fortunately, it is not that easy to hit.

  Most readers use 1kB buffers for a single message. Typical messages
  fit into the temporary buffer with enough reserve.

  Also readers do not rely on the '\0'. It is related to the previous
  fix. Some readers required the space for the trailing '\0'. We decided
  to write it there to avoid such regressions in the future.

  The most realistic victims are dumpers using kmsg_dump_get_buffer().
  They are filling the entire buffer with as many messages as possible.
  They are typically used when handling panic()"

* tag 'printk-for-5.11-urgent-fixup' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux:
  printk: fix string termination for record_print_text()
2021-01-25 10:19:40 -08:00
Mark Brown
5413dfd8ce
Merge series "ASoC: SOF: partial fix to Kconfig issues" from Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>:
We've had several reports of broken dependencies. The 'right' fix is
to revisit the module dependencies as suggested by Arnd Bergmann. This
is WIP at https://github.com/thesofproject/linux/pull/2683. Since this
is taking longer than expected, I am only sharing quick fixes for now.

Pierre-Louis Bossart (2):
  ASoC: SOF: Intel: soundwire: fix select/depend unmet dependencies
  ASoC: SOF: SND_INTEL_DSP_CONFIG dependency

 sound/soc/sof/intel/Kconfig  |  3 ++-
 sound/soc/sof/sof-acpi-dev.c | 11 ++++++-----
 sound/soc/sof/sof-pci-dev.c  | 10 ++++++----
 3 files changed, 14 insertions(+), 10 deletions(-)

--
2.25.1
2021-01-25 14:15:12 +00:00
Petr Mladek
61bb17da44 Merge branch 'printk-rework' into for-linus 2021-01-25 14:29:35 +01:00
Daniel Walker
396cf2a46a
spidev: Add cisco device compatible
Add compatible string for Cisco device present on the Cisco Petra
platform.

Signed-off-by: Daniel Walker <danielwa@cisco.com>
Cc: xe-linux-external@cisco.com
Link: https://lore.kernel.org/r/20210121231237.30664-2-danielwa@cisco.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-01-25 12:53:48 +00:00
Libin Yang
9ad9bc59dd
ASoC: Intel: sof_sdw: set proper flags for Dell TGL-H SKU 0A5E
Add flag "SOF_RT711_JD_SRC_JD2", flag "SOF_RT715_DAI_ID_FIX"
and "SOF_SDW_FOUR_SPK" to the Dell TGL-H based SKU "0A5E".

Signed-off-by: Libin Yang <libin.yang@intel.com>
Co-developed-by: Hui Wang <hui.wang@canonical.com>
Signed-off-by: Hui Wang <hui.wang@canonical.com>
Reviewed-by: Bard Liao <bard.liao@intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20210125081117.814488-1-kai.vehmanen@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-01-25 12:53:46 +00:00
Stephan Gerhold
7004100045
ASoC: qcom: lpass: Fix out-of-bounds DAI ID lookup
The "dai_id" given into LPAIF_INTFDMA_REG(...) is already the real
DAI ID, not an index into v->dai_driver. Looking it up again seems
entirely redundant.

For IPQ806x (and SC7180 since commit 09a4f6f5d2
("ASoC: dt-bindings: lpass: Fix and common up lpass dai ids") this is
now often an out-of-bounds read because the indexes in the "dai_driver"
array no longer match the actual DAI ID.

Cc: Srinivasa Rao Mandadapu <srivasam@codeaurora.org>
Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Fixes: 7cb37b7bd0 ("ASoC: qcom: Add support for lpass hdmi driver")
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20210125104442.135899-1-stephan@gerhold.net
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-01-25 12:53:45 +00:00