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Commit Graph

968523 Commits

Author SHA1 Message Date
Randy Dunlap
f9b7dd05b7 media: Documentation: userspace-api/media: dvb/audio: drop doubled word
Drop the doubled word "Any".

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2020-11-27 12:52:41 +01:00
Randy Dunlap
4d06867e7d media: Documentation: userspace-api/media: v4l/selection-api-config: drop doubled word
Drop the doubled word "in".

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2020-11-27 12:52:20 +01:00
Randy Dunlap
c5c91a1d0b media: Documentation: userspace-api/media: v4l/vidioc-g-ext-ctrls: drop doubled word
Drop the doubled word "controls".

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2020-11-27 12:51:52 +01:00
Randy Dunlap
650ddad381 media: Documentation: userspace-api/media: v4l/vidioc-g-output: drop doubled word
Drop the doubled word "standard.".

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2020-11-27 12:51:30 +01:00
Randy Dunlap
33bbc0b35b media: Documentation: userspace-api/media: v4l/vidioc-qbuf: drop doubled word
Drop the doubled word "the".

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2020-11-27 12:51:08 +01:00
Randy Dunlap
c302763139 media: Documentation: userspace-api/media: dvb/video: drop doubled word
Drop the doubled word "and".

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2020-11-27 12:50:47 +01:00
Randy Dunlap
08bbe2d882 media: Documentation: userspace-api/media: dvb/dmx-qbuf: drop doubled word
Drop the doubled word "the".

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2020-11-27 12:50:26 +01:00
Randy Dunlap
eabed8f256 media: Documentation: userspace-api/media: dvb/demux: drop doubled word
Drop the doubled word "and".

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2020-11-27 12:50:06 +01:00
Randy Dunlap
4aab0a2d47 media: Documentation: userspace-api/media: dvb/ca: drop doubled word
Drop the doubled word "and".

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2020-11-27 12:49:43 +01:00
Geert Uytterhoeven
8b0ff66503 media: Remove superfluous dependency for MEDIA_SUPPORT_FILTER
The MEDIA_SUPPORT_FILTER configuration option is located inside a block
protected by "#if MEDIA_SUPPORT", so there is no need to have an
explicit dependency on MEDIA_SUPPORT.  Drop it.

Fixes: c6774ee035 ("media: Kconfig: make filtering devices optional")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2020-11-27 12:19:25 +01:00
John Ogness
4ad9921af4 printk: finalize records with trailing newlines
Any record with a trailing newline (LOG_NEWLINE flag) cannot
be continued because the newline has been stripped and will
not be visible if the message is appended. This was already
handled correctly when committing in log_output() but was
not handled correctly when committing in log_store().

Fixes: f5f022e53b ("printk: reimplement log_cont using record extension")
Link: https://lore.kernel.org/r/20201126114836.14750-1-john.ogness@linutronix.de
Reported-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: John Ogness <john.ogness@linutronix.de>
Tested-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Signed-off-by: Petr Mladek <pmladek@suse.com>
2020-11-27 11:58:54 +01:00
Sameer Puri
fbef89886d media: i2c: imx219: remove redundant writes
These writes to 0x162, 0x163 already appear earlier in the struct for
the 1920x1080 mode and do not need to be repeated.

Signed-off-by: Sameer Puri <purisame@spuri.io>
Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2020-11-27 11:13:47 +01:00
Colin Ian King
6814e218b9 media: mantis: remove redundant assignment to variable err
The variable err is being initialized with a value that is never read
and it is being updated later with a new value.  The initialization is
redundant and can be removed.

Addresses-Coverity: ("Unused value")

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2020-11-27 11:12:27 +01:00
Dan Carpenter
9b1b0cb063 media: max2175: fix max2175_set_csm_mode() error code
This is supposed to return negative error codes but the type is bool so
it returns true instead.

Fixes: b47b79d8a2 ("[media] media: i2c: max2175: Add MAX2175 support")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2020-11-27 10:58:30 +01:00
Oliver Hartkopp
d73ff9b7c4 can: af_can: can_rx_unregister(): remove WARN() statement from list operation sanity check
To detect potential bugs in CAN protocol implementations (double removal of
receiver entries) a WARN() statement has been used if no matching list item was
found for removal.

The fault injection issued by syzkaller was able to create a situation where
the closing of a socket runs simultaneously to the notifier call chain for
removing the CAN network device in use.

This case is very unlikely in real life but it doesn't break anything.
Therefore we just replace the WARN() statement with pr_warn() to preserve the
notification for the CAN protocol development.

Reported-by: syzbot+381d06e0c8eaacb8706f@syzkaller.appspotmail.com
Reported-by: syzbot+d0ddd88c9a7432f041e6@syzkaller.appspotmail.com
Reported-by: syzbot+76d62d3b8162883c7d11@syzkaller.appspotmail.com
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Link: https://lore.kernel.org/r/20201126192140.14350-1-socketcan@hartkopp.net
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-11-27 10:49:28 +01:00
Pankaj Sharma
5c7d55bded can: m_can: m_can_dev_setup(): add support for bosch mcan version 3.3.0
Add support for mcan bit timing and control mode according to bosch mcan IP
version 3.3.0. The mcan version read from the Core Release field of CREL
register would be 33. Accordingly the properties are to be set for mcan v3.3.0

Signed-off-by: Pankaj Sharma <pankj.sharma@samsung.com>
Link: https://lore.kernel.org/r/1606366302-5520-1-git-send-email-pankj.sharma@samsung.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-11-27 10:49:20 +01:00
Marc Kleine-Budde
e3409e4192 can: m_can: fix nominal bitiming tseg2 min for version >= 3.1
At lest the revision 3.3.0 of the bosch m_can IP core specifies that valid
register values for "Nominal Time segment after sample point (NTSEG2)" are from
1 to 127. As the hardware uses a value of one more than the programmed value,
mean tseg2_min is 2.

This patch fixes the tseg2_min value accordingly.

Cc: Dan Murphy <dmurphy@ti.com>
Cc: Mario Huettel <mario.huettel@gmx.net>
Acked-by: Sriram Dash <sriram.dash@samsung.com>
Link: https://lore.kernel.org/r/20201124190751.3972238-1-mkl@pengutronix.de
Fixes: b03cfc5bb0 ("can: m_can: Enable M_CAN version dependent initialization")
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-11-27 10:49:20 +01:00
Marc Kleine-Budde
865f5b671b can: m_can: m_can_open(): remove IRQF_TRIGGER_FALLING from request_threaded_irq()'s flags
The threaded IRQ handler is used for the tcan4x5x driver only. The IRQ pin of
the tcan4x5x controller is active low, so better not use IRQF_TRIGGER_FALLING
when requesting the IRQ. As this can result in missing interrupts.

Further, if the device tree specified the interrupt as "IRQ_TYPE_LEVEL_LOW",
unloading and reloading of the driver results in the following error during
ifup:

| irq: type mismatch, failed to map hwirq-31 for gpio@20a8000!
| tcan4x5x spi1.1: m_can device registered (irq=0, version=32)
| tcan4x5x spi1.1 can2: TCAN4X5X successfully initialized.
| tcan4x5x spi1.1 can2: failed to request interrupt

This patch fixes the problem by removing the IRQF_TRIGGER_FALLING from the
request_threaded_irq().

Fixes: f524f829b7 ("can: m_can: Create a m_can platform framework")
Cc: Dan Murphy <dmurphy@ti.com>
Cc: Sriram Dash <sriram.dash@samsung.com>
Cc: Pankaj Sharma <pankj.sharma@samsung.com>
Link: https://lore.kernel.org/r/20201127093548.509253-1-mkl@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-11-27 10:49:20 +01:00
Dan Carpenter
dc10472baf media: c8sectpfe: clean up some indenting
The "seg_num," line wasn't indented.  All the arguments can fit nicely
on two lines.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2020-11-27 10:43:34 +01:00
zhong jiang
7ae5308190 media: uvcvideo: Use DIV_ROUND_CLOSEST directly to make it readable
The kernel.h macro DIV_ROUND_CLOSEST performs the computation (x + d/2)/d
but is perhaps more readable.

Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2020-11-27 10:19:29 +01:00
Daniel Gomez
eeb76afbe8 media: imx214: Fix stop streaming
Stop video streaming when requested.

When s_stream is called to stop the video streaming, if/else condition calls
start_streaming function instead of the one for stopping it.

Fixes: 4361905962 ("media: imx214: Add imx214 camera sensor driver")
Signed-off-by: Daniel Gomez <daniel@qtec.com>
Signed-off-by: Ricardo Ribalda <ribalda@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2020-11-27 10:16:27 +01:00
Antti Palosaari
9c60cc797c media: msi2500: assign SPI bus number dynamically
SPI bus number must be assigned dynamically for each device, otherwise it
will crash when multiple devices are plugged to system.

Reported-and-tested-by: syzbot+c60ddb60b685777d9d59@syzkaller.appspotmail.com

Cc: stable@vger.kernel.org
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2020-11-27 08:12:11 +01:00
Jia-Ju Bai
3ec7fdc583 media: usb: msi2500: Fix a possible null-pointer dereference in msi2500_stop_streaming()
In msi2500_stop_streaming(), there is an if statement on line 870 to
check whether dev->udev is NULL:
    if (dev->udev)

When dev->udev is NULL, it is used on line 877:
    msi2500_ctrl_msg(dev, CMD_STOP_STREAMING, 0)
        usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0), ...)

Thus, a possible null-pointer dereference may occur.

To fix this bug, dev->udev is checked before calling msi2500_ctrl_msg().

This bug is found by a static analysis tool STCheck written by us.

Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2020-11-27 08:02:13 +01:00
Nishka Dasgupta
bf9d46f751 media: platform: sti: c8sectpfe: core: Add of_node_put() at goto
Each iteration of for_each_child_of_node puts the previous node, but in
the case of a goto from the middle of the loop, there is no put, thus
causing a memory leak. Hence add a new label that puts the last used
node, and edit the goto statements in the middle of the loop to first go
to the new label.
Issue found with Coccinelle.

Signed-off-by: Nishka Dasgupta <nishkadg.linux@gmail.com>
Acked-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2020-11-27 07:53:26 +01:00
Mauro Carvalho Chehab
d0ac1a26ed media: gp8psk: initialize stats at power control logic
As reported on:
	https://lore.kernel.org/linux-media/20190627222020.45909-1-willemdebruijn.kernel@gmail.com/

if gp8psk_usb_in_op() returns an error, the status var is not
initialized. Yet, this var is used later on, in order to
identify:
	- if the device was already started;
	- if firmware has loaded;
	- if the LNBf was powered on.

Using status = 0 seems to ensure that everything will be
properly powered up.

So, instead of the proposed solution, let's just set
status = 0.

Reported-by: syzbot <syzkaller@googlegroups.com>
Reported-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2020-11-27 07:40:21 +01:00
Dave Airlie
9595930db4 A bunch of fixes for vc4 fixing some coexistence issue between wifi and
HDMI, unsupported modes, and vblank timeouts, a fix for ast to reload
 the gamma LUT after changing the plane format and a double-free fix for
 nouveau
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Merge tag 'drm-misc-fixes-2020-11-26' of ssh://git.freedesktop.org/git/drm/drm-misc into drm-fixes

A bunch of fixes for vc4 fixing some coexistence issue between wifi and
HDMI, unsupported modes, and vblank timeouts, a fix for ast to reload
the gamma LUT after changing the plane format and a double-free fix for
nouveau

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20201126085450.r3i7wvj7pizsa4l6@gilmour
2020-11-27 09:39:51 +10:00
Dave Airlie
d45618c285 Mediatek DRM Fixes for Linux 5.10
1. Remove unused variable.
 2. Modify horizontal front/back porch byte formula.
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Merge tag 'mediatek-drm-fixes-5.10' of https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux into drm-fixes

Mediatek DRM Fixes for Linux 5.10

1. Remove unused variable.
2. Modify horizontal front/back porch byte formula.

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20201123234131.387-1-chunkuang.hu@kernel.org
2020-11-27 09:37:06 +10:00
Dave Airlie
5929dd876b One bug fix
. Add COMMON_CLK dependency to fix a build error below,
 	/usr/bin/mips-linux-gnu-ld: drivers/gpu/drm/exynos/exynos_mixer.o: in function `mixer_bind':
 	exynos_mixer.c:(.text+0x958): undefined reference to `clk_set_parent'
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Merge tag 'exynos-drm-fixes-for-v5.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-fixes

One bug fix
. Add COMMON_CLK dependency to fix a build error below,
	/usr/bin/mips-linux-gnu-ld: drivers/gpu/drm/exynos/exynos_mixer.o: in function `mixer_bind':
	exynos_mixer.c:(.text+0x958): undefined reference to `clk_set_parent'

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Inki Dae <inki.dae@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1606184478-23384-1-git-send-email-inki.dae@samsung.com
2020-11-27 09:23:11 +10:00
Arnd Bergmann
06ceddef30 arm64: tegra: Device tree fixes for v5.10-rc6
This contains a couple of fixes to device trees. Among other things,
 this restores suspend/resume on Jetson TX2 and makes USB OTG work on
 Jetson TX1.
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Merge tag 'tegra-for-5.10-arm64-dt-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/fixes

arm64: tegra: Device tree fixes for v5.10-rc6

This contains a couple of fixes to device trees. Among other things,
this restores suspend/resume on Jetson TX2 and makes USB OTG work on
Jetson TX1.

* tag 'tegra-for-5.10-arm64-dt-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  arm64: tegra: Fix Tegra234 VDK node names
  arm64: tegra: Wrong AON HSP reg property size
  arm64: tegra: Fix USB_VBUS_EN0 regulator on Jetson TX1
  arm64: tegra: Correct the UART for Jetson Xavier NX
  arm64: tegra: Disable the ACONNECT for Jetson TX2

Link: https://lore.kernel.org/r/20201125170306.1095734-1-thierry.reding@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-11-26 22:08:01 +01:00
Arnd Bergmann
3a18293e4a NXP/FSL SoC driver fix for 5.10
DPAA2 DPIO driver
 - Fix non-static cpumask for irq affinity setting
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Merge tag 'soc-fsl-fix-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux into arm/fixes

NXP/FSL SoC driver fix for 5.10

DPAA2 DPIO driver
- Fix non-static cpumask for irq affinity setting

* tag 'soc-fsl-fix-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux:
  soc: fsl: dpio: Get the cpumask through cpumask_of(cpu)

Link: https://lore.kernel.org/r/20201125165922.15487-1-leoyang.li@nxp.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-11-26 22:07:22 +01:00
Arnd Bergmann
dbae2736fd arm64: soc: ZynqMP SoC fixes for v5.10-rc6
- Fix SD dll reset issue by using proper macro
 - Fix PM feature checking for Xilinx Versal SoC
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Merge tag 'zynqmp-soc-fixes-for-v5.10-rc6' of https://github.com/Xilinx/linux-xlnx into arm/fixes

arm64: soc: ZynqMP SoC fixes for v5.10-rc6

- Fix SD dll reset issue by using proper macro
- Fix PM feature checking for Xilinx Versal SoC

* tag 'zynqmp-soc-fixes-for-v5.10-rc6' of https://github.com/Xilinx/linux-xlnx: (337 commits)
  firmware: xilinx: Use hash-table for api feature check
  firmware: xilinx: Fix SD DLL node reset issue
  Linux 5.10-rc4
  kvm: mmu: fix is_tdp_mmu_check when the TDP MMU is not in use
  afs: Fix afs_write_end() when called with copied == 0 [ver #3]
  ocfs2: initialize ip_next_orphan
  panic: don't dump stack twice on warn
  hugetlbfs: fix anon huge page migration race
  mm: memcontrol: fix missing wakeup polling thread
  kernel/watchdog: fix watchdog_allowed_mask not used warning
  reboot: fix overflow parsing reboot cpu number
  Revert "kernel/reboot.c: convert simple_strtoul to kstrtoint"
  compiler.h: fix barrier_data() on clang
  mm/gup: use unpin_user_pages() in __gup_longterm_locked()
  mm/slub: fix panic in slab_alloc_node()
  mailmap: fix entry for Dmitry Baryshkov/Eremin-Solenikov
  mm/vmscan: fix NR_ISOLATED_FILE corruption on 64-bit
  mm/compaction: stop isolation if too many pages are isolated and we have pages to migrate
  mm/compaction: count pages and stop correctly during page isolation
  drm/nouveau/kms/nv50-: Use atomic encoder callbacks everywhere
  ...

Link: https://lore.kernel.org/r/fd5ab967-f3cf-95fb-7947-5477ff85f97e@monstr.eu
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-11-26 22:06:50 +01:00
Linus Torvalds
85a2c56cb4 Power management fix for 5.10-rc6
Fix a recently introduced build issue in the cpufreq SCMI
 driver (Sudeep Holla).
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Merge tag 'pm-5.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management fix from Rafael Wysocki:
 "Fix a recently introduced build issue in the cpufreq SCMI driver
  (Sudeep Holla)"

* tag 'pm-5.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  cpufreq: scmi: Fix build for !CONFIG_COMMON_CLK
2020-11-26 11:17:37 -08:00
Feng Tang
4df910620b mm: memcg: relayout structure mem_cgroup to avoid cache interference
0day reported one -22.7% regression for will-it-scale page_fault2
case [1] on a 4 sockets 144 CPU platform, and bisected to it to be
caused by Waiman's optimization (commit bd0b230fe1) of saving one
'struct page_counter' space for 'struct mem_cgroup'.

Initially we thought it was due to the cache alignment change introduced
by the patch, but further debug shows that it is due to some hot data
members ('vmstats_local', 'vmstats_percpu', 'vmstats') sit in 2 adjacent
cacheline (2N and 2N+1 cacheline), and when adjacent cache line prefetch
is enabled, it triggers an "extended level" of cache false sharing for
2 adjacent cache lines.

So exchange the 2 member blocks, while keeping mostly the original
cache alignment, which can restore and even enhance the performance,
and save 64 bytes of space for 'struct mem_cgroup' (from 2880 to 2816,
with 0day's default RHEL-8.3 kernel config)

[1]. https://lore.kernel.org/lkml/20201102091543.GM31092@shao2-debian/

Fixes: bd0b230fe1 ("mm/memcg: unify swap and memsw page counters")
Reported-by: kernel test robot <rong.a.chen@intel.com>
Signed-off-by: Feng Tang <feng.tang@intel.com>
Acked-by: Waiman Long <longman@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-11-26 09:35:49 -08:00
Pavel Begunkov
af60470347 io_uring: fix files grab/cancel race
When one task is in io_uring_cancel_files() and another is doing
io_prep_async_work() a race may happen. That's because after accounting
a request inflight in first call to io_grab_identity() it still may fail
and go to io_identity_cow(), which migh briefly keep dangling
work.identity and not only.

Grab files last, so io_prep_async_work() won't fail if it did get into
->inflight_list.

note: the bug shouldn't exist after making io_uring_cancel_files() not
poking into other tasks' requests.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-11-26 08:50:21 -07:00
Yixian Liu
17475e104d RDMA/hns: Bugfix for memory window mtpt configuration
When a memory window is bound to a memory region, the local write access
should be set for its mtpt table.

Fixes: c7c2819140 ("RDMA/hns: Add MW support for hip08")
Link: https://lore.kernel.org/r/1606386372-21094-1-git-send-email-liweihang@huawei.com
Signed-off-by: Yixian Liu <liuyixian@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2020-11-26 10:57:32 -04:00
Wenpeng Liang
ab6f7248cc RDMA/hns: Fix retry_cnt and rnr_cnt when querying QP
The maximum number of retransmission should be returned when querying QP,
not the value of retransmission counter.

Fixes: 99fcf82521 ("RDMA/hns: Fix the wrong value of rnr_retry when querying qp")
Fixes: 926a01dc00 ("RDMA/hns: Add QP operations support for hip08 SoC")
Link: https://lore.kernel.org/r/1606382977-21431-1-git-send-email-liweihang@huawei.com
Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2020-11-26 10:57:32 -04:00
Wenpeng Liang
ebed7b7ca4 RDMA/hns: Fix wrong field of SRQ number the device supports
The SRQ capacity is got from the firmware, whose field should be ended at
bit 19.

Fixes: ba6bb7e974 ("RDMA/hns: Add interfaces to get pf capabilities from firmware")
Link: https://lore.kernel.org/r/1606382812-23636-1-git-send-email-liweihang@huawei.com
Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2020-11-26 10:57:32 -04:00
David Woodhouse
d76b42e927 iommu/vt-d: Don't read VCCAP register unless it exists
My virtual IOMMU implementation is whining that the guest is reading a
register that doesn't exist. Only read the VCCAP_REG if the corresponding
capability is set in ECAP_REG to indicate that it actually exists.

Fixes: 3375303e82 ("iommu/vt-d: Add custom allocator for IOASID")
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Liu Yi L <yi.l.liu@intel.com>
Cc: stable@vger.kernel.org # v5.7+
Acked-by: Lu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/de32b150ffaa752e0cff8571b17dfb1213fbe71c.camel@infradead.org
Signed-off-by: Will Deacon <will@kernel.org>
2020-11-26 14:50:24 +00:00
Hans de Goede
c9aa128080 platform/x86: touchscreen_dmi: Add info for the Irbis TW118 tablet
Add touchscreen info for the Irbis TW118 tablet.

Reported-and-tested-by: russianneuromancer <russianneuromancer@ya.ru>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20201124110454.114286-1-hdegoede@redhat.com
2020-11-26 15:49:16 +01:00
Hans de Goede
0f511edc6a platform/x86: touchscreen_dmi: Add info for the Predia Basic tablet
Add touchscreen info for the Predia Basic tablet.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20201015194949.50566-1-hdegoede@redhat.com
2020-11-26 15:49:02 +01:00
Max Verevkin
8b205d3e1b platform/x86: intel-vbtn: Support for tablet mode on HP Pavilion 13 x360 PC
The Pavilion 13 x360 PC has a chassis-type which does not indicate it is
a convertible, while it is actually a convertible. Add it to the
dmi_switches_allow_list.

Signed-off-by: Max Verevkin <me@maxverevkin.tk>
Link: https://lore.kernel.org/r/20201124131652.11165-1-me@maxverevkin.tk
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2020-11-26 15:48:55 +01:00
Kaixu Xia
2a72c46ac4 platform/x86: toshiba_acpi: Fix the wrong variable assignment
The commit 78429e55e4 ("platform/x86: toshiba_acpi: Clean up
variable declaration") cleans up variable declaration in
video_proc_write(). Seems it does the variable assignment in the
wrong place, this results in dead code and changes the source code
logic. Fix it by doing the assignment at the beginning of the funciton.

Fixes: 78429e55e4 ("platform/x86: toshiba_acpi: Clean up variable declaration")
Reported-by: Tosk Robot <tencent_os_robot@tencent.com>
Signed-off-by: Kaixu Xia <kaixuxia@tencent.com>
Link: https://lore.kernel.org/r/1606024177-16481-1-git-send-email-kaixuxia@tencent.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2020-11-26 15:48:46 +01:00
Timo Witte
9e7a005ad5 platform/x86: acer-wmi: add automatic keyboard background light toggle key as KEY_LIGHTS_TOGGLE
Got a dmesg message on my AMD Renoir based Acer laptop:
"acer_wmi: Unknown key number - 0x84" when toggling keyboard
background light

Signed-off-by: Timo Witte <timo.witte@gmail.com>
Reviewed-by: "Lee, Chun-Yi" <jlee@suse.com>
Link: https://lore.kernel.org/r/20200804001423.36778-1-timo.witte@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2020-11-26 15:48:37 +01:00
Matthias Maier
80a8c3185f platform/x86: thinkpad_acpi: Whitelist P15 firmware for dual fan control
This commit enables dual fan control for the following new Lenovo
models: P15, P15v.

Signed-off-by: Matthias Maier <tamiko@43-1.org>
Link: https://lore.kernel.org/r/20201126000416.2459645-2-tamiko-ibm-acpi-devel@43-1.org
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2020-11-26 15:45:40 +01:00
Benjamin Berg
e40cc1b476 platform/x86: thinkpad_acpi: Send tablet mode switch at wakeup time
The lid state may change while the machine is suspended. As such, we may
need to re-check the state at wake-up time (at least when waking up from
hibernation).
Add the appropriate call to the resume handler in order to sync the
SW_TABLET_MODE switch state with the hardware state.

Fixes: dda3ec0aa6 ("platform/x86: thinkpad_acpi: Implement tablet mode using GMMS method")
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=210269
Signed-off-by: Benjamin Berg <bberg@redhat.com>
Acked-by: Henrique de Moraes Holschuh <hnh@hmh.eng.br>
Link: https://lore.kernel.org/r/20201123132157.866303-1-benjamin@sipsolutions.net
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2020-11-26 15:45:24 +01:00
Hans de Goede
c986a70249 platform/x86: thinkpad_acpi: Add BAT1 is primary battery quirk for Thinkpad Yoga 11e 4th gen
The Thinkpad Yoga 11e 4th gen with the N3450 / Celeron CPU only has
one battery which is named BAT1 instead of the expected BAT0, add a
quirk for this. This fixes not being able to set the charging tresholds
on this model; and this alsoe fixes the following errors in dmesg:

ACPI: \_SB_.PCI0.LPCB.EC__.HKEY: BCTG evaluated but flagged as error
thinkpad_acpi: Error probing battery 2
battery: extension failed to load: ThinkPad Battery Extension
battery: extension unregistered: ThinkPad Battery Extension

Note that the added quirk is for the "R0K" BIOS versions which are
used on the Thinkpad Yoga 11e 4th gen's with a Celeron CPU, there
is a separate "R0L" BIOS for the i3/i5 based versions. This may also
need the same quirk, but if that really is necessary is unknown.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20201109103550.16265-1-hdegoede@redhat.com
2020-11-26 15:44:44 +01:00
Hans de Goede
f2eae1888c platform/x86: thinkpad_acpi: Do not report SW_TABLET_MODE on Yoga 11e
The Yoga 11e series has 2 accelerometers described by a BOSC0200 ACPI node.
This setup relies on a Windows service which reads both accelerometers and
then calculates the angle between the 2 halves to determine laptop / tent /
tablet mode and then reports the calculated mode back to the EC by calling
special ACPI methods on the BOSC0200 node.

The bmc150 iio driver does not support this (it involves double
calculations requiring sqrt and arccos so this really needs to be done
in userspace), as a result of this on the Yoga 11e the thinkpad_acpi
code always reports SW_TABLET_MODE=0, starting with GNOME 3.38 reporting
SW_TABLET_MODE=0 causes GNOME to:

1. Not show the onscreen keyboard when a text-input field is focussed
   with the touchscreen.
2. Disable accelerometer based auto display-rotation.

This makes sense when in laptop-mode but not when in tablet-mode. But
since for the Yoga 11e the thinkpad_acpi code always reports
SW_TABLET_MODE=0, GNOME does not know when the device is in tablet-mode.

Stop reporting the broken (always 0) SW_TABLET_MODE on Yoga 11e models
to fix this.

Note there are plans for userspace to support 360 degree hinges style
2-in-1s with 2 accelerometers and figure out the mode by itself, see:
https://gitlab.freedesktop.org/hadess/iio-sensor-proxy/-/issues/216

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20201106140130.46820-1-hdegoede@redhat.com
2020-11-26 15:44:35 +01:00
Iakov 'Jake' Kirilenko
15d89c9f6f platform/x86: thinkpad_acpi: add P1 gen3 second fan support
Tested on my P1 gen3, works fine with `thinkfan`. Since thinkpad_acpi fan
control is off by default, it is safe to add 2nd fan control for brave
overclockers

Signed-off-by: Iakov 'Jake' Kirilenko <jake.kirilenko@gmail.com>
Link: https://lore.kernel.org/r/20201105152556.34073-1-jake.kirilenko@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2020-11-26 15:44:09 +01:00
Sean Young
711561a41d media: lirc: fix lirc.h documentation generation
The rc_proto enum values should be ignored for now, otherwise we get
warnings like:

Documentation/output/lirc.h.rst:6: WARNING: undefined label: rc-proto-max (if the link has no caption the label must precede a section header)

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Fixes: 72e637fec5 ("media: rc: validate that "rc_proto" is reasonable")
Fixes: cea357bc25 ("media: lirc: ensure RC_PROTO_MAX has documentation")
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2020-11-26 14:29:37 +01:00
Christian Hewitt
2a14dfaffe media: rc: add keymap for KHAMSIN remote
This remote ships with the Amlogic SML-5442TW IPTV/VOD Set-Top Box
used by O2.cz. This keymap adds support for the default IR controls.

Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2020-11-26 14:28:10 +01:00