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996178 commits

Author SHA1 Message Date
Dan Carpenter
5011c5a663 btrfs: validate qgroup inherit for SNAP_CREATE_V2 ioctl
The problem is we're copying "inherit" from user space but we don't
necessarily know that we're copying enough data for a 64 byte
struct.  Then the next problem is that 'inherit' has a variable size
array at the end, and we have to verify that array is the size we
expected.

Fixes: 6f72c7e20d ("Btrfs: add qgroup inheritance")
CC: stable@vger.kernel.org # 4.4+
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2021-03-02 16:55:47 +01:00
Nikolay Borisov
4f6a49de64 btrfs: unlock extents in btrfs_zero_range in case of quota reservation errors
If btrfs_qgroup_reserve_data returns an error (i.e quota limit reached)
the handling logic directly goes to the 'out' label without first
unlocking the extent range between lockstart, lockend. This results in
deadlocks as other processes try to lock the same extent.

Fixes: a7f8b1c2ac ("btrfs: file: reserve qgroup space after the hole punch range is locked")
CC: stable@vger.kernel.org # 5.10+
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2021-03-02 16:55:44 +01:00
Randy Dunlap
aedb9d9089 btrfs: ref-verify: use 'inline void' keyword ordering
Fix build warnings of function signature when CONFIG_STACKTRACE is not
enabled by reordering the 'inline' and 'void' keywords.

../fs/btrfs/ref-verify.c:221:1: warning: ‘inline’ is not at beginning of declaration [-Wold-style-declaration]
 static void inline __save_stack_trace(struct ref_action *ra)
../fs/btrfs/ref-verify.c:225:1: warning: ‘inline’ is not at beginning of declaration [-Wold-style-declaration]
 static void inline __print_stack_trace(struct btrfs_fs_info *fs_info,

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2021-03-02 16:55:40 +01:00
Pierre-Louis Bossart
ffd7e705fa ALSA: hda: intel-sdw-acpi: add missing include files
We rely on implicit includes, list out explicitly what this code
relies on.

Suggested-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Reviewed-by: Bard Liao <bard.liao@intel.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20210302003125.1178419-8-pierre-louis.bossart@linux.intel.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-03-02 15:33:17 +01:00
Pierre-Louis Bossart
08c2a4bc9f ALSA: hda: move Intel SoundWire ACPI scan to dedicated module
The ACPI scan capabilities is called from the intel-dspconfig as well
as the SOF/HDaudio drivers. This creates dependencies and randconfig issues
when HDaudio and SOF/SoundWire are not all configured as modules.

To simplify Kconfig dependencies between HDAudio, SoundWire, SOF and
intel-dspconfig, move the ACPI scan helpers to a dedicated
module. This follows the same idea as NHLT helpers which are already
handled as a dedicated module.

The only functional change is that the kernel parameter to filter
links is now handled by a different module, but that was only provided
for developers needing work-arounds for early BIOS releases.

Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Reviewed-by: Bard Liao <bard.liao@intel.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20210302003125.1178419-7-pierre-louis.bossart@linux.intel.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-03-02 15:33:00 +01:00
Pierre-Louis Bossart
cf5807f5f8 ASoC: SOF: Intel: SoundWire: simplify Kconfig
The Kconfig file is way too convoluted. Track platforms where
SoundWire is supported, and add simpler conditions to make sure there
is no module/built-in issue.

The use of 'depends on' is less intuitive if a required 'depend' is
missing, but that's a small price to pay for clarity and simplicity.

Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Reviewed-by: Bard Liao <bard.liao@intel.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20210302003125.1178419-6-pierre-louis.bossart@linux.intel.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-03-02 15:32:43 +01:00
Pierre-Louis Bossart
194fe0fc34 ASoC: SOF: pci: move DSP_CONFIG use to platform-specific drivers
There is no reason why we should call the intel_dspcfg helpers from
common code, this should be moved in Intel-specific code and only
called from platforms where a conflict may occur with the HDaudio or
SST/Skylake driver.

Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Reviewed-by: Bard Liao <bard.liao@intel.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20210302003125.1178419-5-pierre-louis.bossart@linux.intel.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-03-02 15:32:20 +01:00
Pierre-Louis Bossart
8d4ba1be3d ASoC: SOF: pci: split PCI into different drivers
Move PCI IDs and device-specific definitions out of common code. No
functionality change for now, just code split and removal of
IF_ENABLED() which made the configurations too complicated in case of
reuse of IP across generations.

Additional changes to address the DSP_CONFIG case and SoundWire
depends/select confusions are provided in follow-up patches.

Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Reviewed-by: Bard Liao <bard.liao@intel.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20210302003125.1178419-4-pierre-louis.bossart@linux.intel.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-03-02 15:32:00 +01:00
Arnd Bergmann
8a49cd11e6 ASoC: SOF: ACPI: avoid reverse module dependency
The SOF-ACPI driver is backwards from the normal Linux model, it has a
generic driver that knows about all the specific drivers, as opposed to
having hardware specific drivers that link against a common framework.

This requires ugly Kconfig magic and leads to missed dependencies as
seen in this link error:

arm-linux-gnueabi-ld: sound/soc/sof/sof-pci-dev.o: in function `sof_acpi_probe':
sof-pci-dev.c:(.text+0x1c): undefined reference to `snd_intel_dsp_driver_probe'

Change it to use the normal probe order of starting with a specific
device in a driver, turning the sof-acpi-dev.c driver into a
library (exported symbols are name-spaced to avoid symbol pollution).

For backwards-compatibility with previous Kconfigs, the default values
for platform drivers uses the top-level ACPI configurations. The
modules were also renamed to allow for gradual transitions in test
scripts.

Co-developed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Reviewed-by: Bard Liao <bard.liao@intel.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20210302003125.1178419-3-pierre-louis.bossart@linux.intel.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-03-02 15:31:40 +01:00
Pierre-Louis Bossart
c7929b15b6 ASoC: soc-acpi: allow for partial match in parent name
To change the module dependencies and simplify Kconfigs, we need to
introduce new driver names (sof-audio-acpi-intel-byt and
sof-audio-acpi-intel-bdw), and move from an exact string match to a
partial one.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Reviewed-by: Bard Liao <bard.liao@intel.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20210302003125.1178419-2-pierre-louis.bossart@linux.intel.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-03-02 15:31:06 +01:00
Ben Skeggs
78652ff69b drm/nouveau/fifo/gk104-gp1xx: fix creation of sw class
Fixes: 496162037c ("drm/nouveau/fifo: add id_engine hook")
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2021-03-02 21:48:42 +10:00
Pierre-Louis Bossart
a864e8f159 ALSA: hda: intel-nhlt: verify config type
Multiple bug reports report issues with the SOF and SST drivers when
dealing with single microphone cases.

We currently read the DMIC array information unconditionally but we
don't check that the configuration type is actually a mic array.

When the DMIC link does not rely on a mic array configuration, the
recommendation is to check the format information to infer the maximum
number of channels, and map this to the number of microphones.

This leaves a potential for a mismatch between actual microphones
available in hardware and what the ACPI table contains, but we have no
other source of information.

Note that single microphone configurations can alternatively be
handled with a 'mic array' configuration along with a 'vendor-defined'
geometry.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=201251
BugLink: https://github.com/thesofproject/linux/issues/2725
Fixes: 7a33ea70e1 ('ALSA: hda: intel-nhlt: handle NHLT VENDOR_DEFINED DMIC geometry')
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20210302000146.1177770-1-pierre-louis.bossart@linux.intel.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-03-02 10:22:47 +01:00
Pierre-Louis Bossart
3531ba21f5 ALSA: hda: fix kernel-doc warnings
v5.12-rc1 flags new warnings with make W=1, fix missing or broken
function descriptors.

sound/pci/hda/hda_codec.c:3492: warning: expecting prototype for
snd_hda_input_mux_info_info(). Prototype was for
snd_hda_input_mux_info() instead

sound/pci/hda/hda_codec.c:3521: warning: expecting prototype for
snd_hda_input_mux_info_put(). Prototype was for
snd_hda_input_mux_put() instead

sound/pci/hda/hda_codec.c:3958: warning: expecting prototype for
_snd_hda_pin_ctl(). Prototype was for _snd_hda_set_pin_ctl() instead

sound/pci/hda/hda_jack.c:223: warning: expecting prototype for
snd_hda_set_dirty_all(). Prototype was for
snd_hda_jack_set_dirty_all() instead

sound/pci/hda/hda_jack.c:309: warning: expecting prototype for
snd_hda_jack_detect_enable_mst(). Prototype was for
snd_hda_jack_detect_enable_callback_mst() instead

sound/pci/hda/hda_generic.c:3933: warning: expecting prototype for
snd_dha_gen_add_mute_led_cdev(). Prototype was for
snd_hda_gen_add_mute_led_cdev() instead

sound/pci/hda/hda_generic.c:4093: warning: expecting prototype for
snd_dha_gen_add_micmute_led_cdev(). Prototype was for
snd_hda_gen_add_micmute_led_cdev() instead

sound/pci/hda/patch_ca0132.c:2357: warning: expecting prototype for
Prepare and send the SCP message to DSP(). Prototype was for
dspio_scp() instead

sound/pci/hda/patch_ca0132.c:2883: warning: expecting prototype for
Allocate router ports(). Prototype was for dsp_allocate_router_ports()
instead

sound/pci/hda/patch_ca0132.c:3202: warning: expecting prototype for
Write a block of data into DSP code or data RAM using pre(). Prototype
was for dspxfr_one_seg() instead

sound/pci/hda/patch_ca0132.c:3397: warning: expecting prototype for
data overlay to DSP memories(). Prototype was for dspxfr_image()
instead

sound/hda/hdac_regmap.c:393: warning: expecting prototype for
snd_hdac_regmap_init(). Prototype was for snd_hdac_regmap_exit()
instead

sound/hda/ext/hdac_ext_controller.c:142: warning: expecting prototype
for snd_hdac_ext_bus_get_link_index(). Prototype was for
snd_hdac_ext_bus_get_link() instead

sound/hda/ext/hdac_ext_stream.c:140: warning: expecting prototype for
snd_hdac_ext_linkstream_start(). Prototype was for
snd_hdac_ext_link_stream_start() instead

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20210301174617.116960-1-pierre-louis.bossart@linux.intel.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-03-02 10:21:36 +01:00
Jason Yan
5477edcaca gcc-plugins: latent_entropy: remove unneeded semicolon
Fix the following coccicheck warning:

scripts/gcc-plugins/latent_entropy_plugin.c:539:2-3: Unneeded semicolon

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20200418070521.10931-1-yanaijie@huawei.com
2021-03-01 19:19:50 -08:00
Jason Yan
b924a8197a gcc-plugins: structleak: remove unneeded variable 'ret'
Fix the following coccicheck warning:

scripts/gcc-plugins/structleak_plugin.c:177:14-17: Unneeded variable:
"ret". Return "0" on line 207

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20200418070505.10715-1-yanaijie@huawei.com
2021-03-01 19:19:44 -08:00
Linus Torvalds
7a7fd0de4a Merge branch 'kmap-conversion-for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull kmap conversion updates from David Sterba:
 "This contains changes regarding kmap API use and eg conversion from
  kmap_atomic to kmap_local_page.

  The API belongs to memory management but to save cross-tree
  dependency headaches we've agreed to take it through the btrfs tree
  because there are some trivial conversions possible, while the rest
  will need some time and getting the easy cases out of the way would be
  convenient.

  The changes can be grouped:

   - function exports, new helpers

   - new VM_BUG_ON for additional verification; it's been discussed if
     it should be VM_BUG_ON or BUG_ON, the former was chosen due to
     performance reasons

   - code replaced by relevant helpers"

[ This is an updated version of a request that originally came in during
  the merge window, but I asked for some updates:

    https://lore.kernel.org/lkml/cover.1614090658.git.dsterba@suse.com/

  which is why this got merge after the merge window closed.  - Linus ]

* 'kmap-conversion-for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
  btrfs: use copy_highpage() instead of 2 kmaps()
  btrfs: use memcpy_[to|from]_page() and kmap_local_page()
  mm/highmem: Add VM_BUG_ON() to mem*_page() calls
  mm/highmem: Introduce memcpy_page(), memmove_page(), and memset_page()
  mm/highmem: Convert memcpy_[to|from]_page() to kmap_local_page()
  mm/highmem: Lift memcpy_[to|from]_page to core
2021-03-01 11:24:18 -08:00
Linus Torvalds
c608aca57d for-5.12-rc1-tag
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Merge tag 'for-5.12-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux

Pull btrfs fixes from David Sterba:
 "This is the first batch of fixes that usually arrive during the merge
  window code freeze. Regressions and stable material.

  Regressions:

   - fix deadlock in log sync in zoned mode

   - fix bugs in subpage mode still wrongly assuming sectorsize == page
     size

  Fixes:

   - fix missing kunmap of the Q stripe in RAID6

   - block group fixes:
      - fix race between extent freeing/allocation when using bitmaps
      - avoid double put of block group when emptying cluster

   - swapfile fixes:
      - fix swapfile writes vs running scrub
      - fix swapfile activation vs snapshot creation

   - fix stale data exposure after cloning a hole with NO_HOLES enabled

   - remove tree-checker check that does not work in case information
     from other leaves is necessary"

* tag 'for-5.12-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
  btrfs: zoned: fix deadlock on log sync
  btrfs: avoid double put of block group when emptying cluster
  btrfs: fix stale data exposure after cloning a hole with NO_HOLES enabled
  btrfs: tree-checker: do not error out if extent ref hash doesn't match
  btrfs: fix race between swap file activation and snapshot creation
  btrfs: fix race between writes to swap files and scrub
  btrfs: avoid checking for RO block group twice during nocow writeback
  btrfs: fix race between extent freeing/allocation when using bitmaps
  btrfs: make check_compressed_csum() to be subpage compatible
  btrfs: make btrfs_submit_compressed_read() subpage compatible
  btrfs: fix raid6 qstripe kmap
2021-03-01 11:17:37 -08:00
YueHaibing
3a9b3d4536 IB/mlx5: Add missing error code
Set err to -ENOMEM if kzalloc fails instead of 0.

Fixes: 7597385371 ("IB/mlx5: Enable subscription for device events over DEVX")
Link: https://lore.kernel.org/r/20210222122343.19720-1-yuehaibing@huawei.com
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-03-01 14:49:09 -04:00
Julian Braha
475f23b8c6 RDMA/rxe: Fix missing kconfig dependency on CRYPTO
When RDMA_RXE is enabled and CRYPTO is disabled, Kbuild gives the
following warning:

 WARNING: unmet direct dependencies detected for CRYPTO_CRC32
   Depends on [n]: CRYPTO [=n]
   Selected by [y]:
   - RDMA_RXE [=y] && (INFINIBAND_USER_ACCESS [=y] || !INFINIBAND_USER_ACCESS [=y]) && INET [=y] && PCI [=y] && INFINIBAND [=y] && INFINIBAND_VIRT_DMA [=y]

This is because RDMA_RXE selects CRYPTO_CRC32, without depending on or
selecting CRYPTO, despite that config option being subordinate to CRYPTO.

Fixes: cee2688e3c ("IB/rxe: Offload CRC calculation when possible")
Signed-off-by: Julian Braha <julianbraha@gmail.com>
Link: https://lore.kernel.org/r/21525878.NYvzQUHefP@ubuntu-mate-laptop
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-03-01 14:46:31 -04:00
Saeed Mahameed
221384df61 RDMA/cm: Fix IRQ restore in ib_send_cm_sidr_rep
ib_send_cm_sidr_rep() {
	spin_lock_irqsave()
        cm_send_sidr_rep_locked() {
                ...
        	spin_lock_irq()
                ....
                spin_unlock_irq() <--- this will enable interrupts
        }
        spin_unlock_irqrestore()
}

spin_unlock_irqrestore() expects interrupts to be disabled but the
internal spin_unlock_irq() will always enable hard interrupts.

Fix this by replacing the internal spin_{lock,unlock}_irq() with
irqsave/restore variants.

It fixes the following kernel trace:

 raw_local_irq_restore() called with IRQs enabled
 WARNING: CPU: 2 PID: 20001 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x1d/0x20

 Call Trace:
  _raw_spin_unlock_irqrestore+0x4e/0x50
  ib_send_cm_sidr_rep+0x3a/0x50 [ib_cm]
  cma_send_sidr_rep+0xa1/0x160 [rdma_cm]
  rdma_accept+0x25e/0x350 [rdma_cm]
  ucma_accept+0x132/0x1cc [rdma_ucm]
  ucma_write+0xbf/0x140 [rdma_ucm]
  vfs_write+0xc1/0x340
  ksys_write+0xb3/0xe0
  do_syscall_64+0x2d/0x40
  entry_SYSCALL_64_after_hwframe+0x44/0xae

Fixes: 87c4c774cb ("RDMA/cm: Protect access to remote_sidr_table")
Link: https://lore.kernel.org/r/20210301081844.445823-1-leon@kernel.org
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-03-01 14:43:16 -04:00
Rob Herring
b5a95bb188 dt-bindings: media: Use graph and video-interfaces schemas, round 2
A couple of media schemas got applied without using or incorrectly
using the video-interfaces.yaml and graph.yaml schemas. Fix them up
before we have more copy-n-paste errors.

Fixes: 41b3e23376 ("media: dt-bindings: media: Add bindings for imx334")
Fixes: d899e5f1db ("media: dt-bindings: media: imx258: add bindings for IMX258 sensor")
Fixes: 918b866edf ("media: dt-bindings: Remove old ov5647.yaml file, update ovti,ov5647.yaml")
Fixes: 22f2b47517 ("media: dt-bindings: media: i2c: Add OV8865 bindings documentation")
Fixes: 29a202fa7a ("media: dt-bindings: media: i2c: Add OV5648 bindings documentation")
Cc: Sakari Ailus <sakari.ailus@linux.intel.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Dave Stevenson <dave.stevenson@raspberrypi.com>
Cc: Jacopo Mondi <jacopo@jmondi.org>
Cc: "Paul J. Murphy" <paul.j.murphy@intel.com>
Cc: Daniele Alessandrelli <daniele.alessandrelli@intel.com>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Cc: linux-media@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20210223210127.55455-1-robh@kernel.org
2021-03-01 11:30:21 -06:00
Jens Axboe
65d4302317 io-wq: wait for worker startup when forking a new one
We need to have our worker count updated before continuing, to avoid
cases where we repeatedly think we need a new worker, but a fork is
already in progress.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-03-01 10:21:06 -07:00
Jean Delvare
5218e12e9f block: Drop leftover references to RQF_SORTED
Commit a1ce35fa49 ("block: remove dead
elevator code") removed all users of RQF_SORTED. However it is still
defined, and there is one reference left to it (which in effect is
dead code). Clear it all up.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Ming Lei <ming.lei@redhat.com>
Cc: Omar Sandoval <osandov@fb.com>
Cc: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-03-01 10:15:07 -07:00
Daniel Lezcano
9e2be308f0 powercap/drivers/dtpm: Add the experimental label to the option description
The DTPM framework will evolve in the next cycles. Let's add a
temporary EXPERIMENTAL tag to the option so users will be aware
the API may change over time.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2021-03-01 17:43:29 +01:00
Daniel Lezcano
f3c1410579 powercap/drivers/dtpm: Fix root node initialization
The root node is not set to NULL when the dtpm root node is
removed. Consequently, it is not possible to create a new root
as it is already set.

Set the root node to NULL when the last node is removed.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2021-03-01 17:43:29 +01:00
Rafael J. Wysocki
44cc89f764 PM: runtime: Update device status before letting suppliers suspend
Because the PM-runtime status of the device is not updated in
__rpm_callback(), attempts to suspend the suppliers of the given
device triggered by rpm_put_suppliers() called by it may fail.

Fix this by making __rpm_callback() update the device's status to
RPM_SUSPENDED before calling rpm_put_suppliers() if the current
status of the device is RPM_SUSPENDING and the callback just invoked
by it has returned 0 (success).

While at it, modify the code in __rpm_callback() to always check
the device's PM-runtime status under its PM lock.

Link: https://lore.kernel.org/linux-pm/CAPDyKFqm06KDw_p8WXsM4dijDbho4bb6T4k50UqqvR1_COsp8g@mail.gmail.com/
Fixes: 21d5c57b37 ("PM / runtime: Use device links")
Reported-by: Elaine Zhang <zhangqing@rock-chips.com>
Diagnosed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Tested-by: Elaine Zhang <zhangiqng@rock-chips.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Cc: 4.10+ <stable@vger.kernel.org> # 4.10+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2021-03-01 17:40:38 +01:00
Nicolas MURE
2c9119001d ALSA: usb-audio: Fix Pioneer DJM devices URB_CONTROL request direction to set samplerate
This commit only contains the fix about the `URB_CONTROL` request
direction to set the samplerate of Pioneer DJM devices (`URB_CONTROL out`).

Fixes: 3b85f5fc75 ("ALSA: usb-audio: Add DJM450 to Pioneer format quirk")
Signed-off-by: Nicolas MURE <nicolas.mure2019@gmail.com>
Link: https://lore.kernel.org/r/20210301142927.14552-1-nicolas.mure2019@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-03-01 15:44:53 +01:00
Andrea Fagiani
11302bb69e ALSA: usb-audio: use Corsair Virtuoso mapping for Corsair Virtuoso SE
The Corsair Virtuoso SE RGB Wireless is a USB headset with a mic and a
sidetone feature. Assign the Corsair Virtuoso name map to the SE product
ids as well, in order to label its mixer appropriately and allow
userspace to pick the correct volume controls.

Signed-off-by: Andrea Fagiani <andfagiani@gmail.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/40bbdf55-f854-e2ee-87b4-183e6451352c@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-03-01 09:24:47 +01:00
Damien Le Moal
0f47227705 block: revert "block: fix bd_size_lock use"
With the removal of the skd driver, using IRQ safe locking of a bdev
bd_size_lock spinlock to protect the bdev inode size is not necessary
anymore as there is no other known driver using this lock under an IRQ
disabled context (e.g. calling set_capacity() with IRQ disabled).
Revert commit 0fe37724f8 ("block: fix bd_size_lock use") which
introduced the IRQ safe change.

Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-02-28 20:12:02 -07:00
Linus Torvalds
fe07bfda2f Linux 5.12-rc1 2021-02-28 16:05:19 -08:00
Linus Torvalds
d346da4a4a ide-5.11-2021-02-28
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Merge tag 'ide-5.11-2021-02-28' of git://git.kernel.dk/linux-block

Pull ide fix from Jens Axboe:
 "This is a leftover fix from 5.11, where I forgot to ship it your way"

* tag 'ide-5.11-2021-02-28' of git://git.kernel.dk/linux-block:
  ide/falconide: Fix module unload
2021-02-28 15:48:25 -08:00
Linus Torvalds
06d5d309a3 Kbuild fixes for v5.12
- Fix UNUSED_KSYMS_WHITELIST for Clang LTO
 
  - Make -s builds really silent irrespective of V= option
 
  - Fix build error when SUBLEVEL or PATCHLEVEL is empty
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Merge tag 'kbuild-fixes-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - Fix UNUSED_KSYMS_WHITELIST for Clang LTO

 - Make -s builds really silent irrespective of V= option

 - Fix build error when SUBLEVEL or PATCHLEVEL is empty

* tag 'kbuild-fixes-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  kbuild: Fix <linux/version.h> for empty SUBLEVEL or PATCHLEVEL again
  kbuild: make -s option take precedence over V=1
  ia64: remove redundant READELF from arch/ia64/Makefile
  kbuild: do not include include/config/auto.conf from adjust_autoksyms.sh
  kbuild: fix UNUSED_KSYMS_WHITELIST for Clang LTO
  kbuild: lto: add _mcount to list of used symbols
2021-02-28 12:40:35 -08:00
Linus Torvalds
cd278456d4 arch/csky patches for 5.12-rc1
Features:
  - Add new memory layout 2.5G(user):1.5G(kernel)
  - Add kmemleak support
  - Reconstruct VDSO framework
    Add VDSO with GENERIC_GETTIMEOFDAY,
    GENERIC_TIME_VSYSCALL, HAVE_GENERIC_VDSO
  - Add faulthandler_disabled() check
  - Support(Fixup) swapon
  - Add(Fixup) _PAGE_ACCESSED for default pgprot
  - abort uaccess retries upon fatal signal (From arm)
 
 Fixup & Optimization:
  - Fixup perf probe failed
  - Fixup show_regs doesn't contain regs->usp
  - Remove custom asm/atomic.h implementation
  - Fixup barrier design
  - Fixup futex SMP implementation
  - Fixup asm/cmpxchg.h with correct ordering barrier
  - Cleanup asm/spinlock.h
  - Fixup PTE global for 2.5:1.5 virtual memory
  - Remove prologue of page fault handler in entry.S
  - Fix TLB maintenance synchronization problem
  - Add show_tlb for CPU_CK860 debug
  - Fixup FAULT_FLAG_XXX param for handle_mm_fault
  - Fixup update_mmu_cache called with user io mapping
  - Fixup do_page_fault parent irq status
  - Fix a size determination in gpr_get()
  - pgtable.h: Coding convention
  - kprobe: Fixup code in simulate without 'long'
  - Fixup pfn_valid error with wrong max_mapnr
  - use free_initmem_default() in free_initmem()
  - Fixup compile error
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Merge tag 'csky-for-linus-5.12-rc1' of git://github.com/c-sky/csky-linux

Pull arch/csky updates from Guo Ren:
 "Features:
   - add new memory layout 2.5G(user):1.5G(kernel)
   - add kmemleak support
   - reconstruct VDSO framework: add VDSO with GENERIC_GETTIMEOFDAY,
     GENERIC_TIME_VSYSCALL, HAVE_GENERIC_VDSO
   - add faulthandler_disabled() check
   - support (fix) swapon
   - add (fix) _PAGE_ACCESSED for default pgprot
   - abort uaccess retries upon fatal signal (from arm)

  Fixes and optimizations:
   - fix perf probe failure
   - fix show_regs doesn't contain regs->usp
   - remove custom asm/atomic.h implementation
   - fix barrier design
   - fix futex SMP implementation
   - fix asm/cmpxchg.h with correct ordering barrier
   - cleanup asm/spinlock.h
   - fix PTE global for 2.5:1.5 virtual memory
   - remove prologue of page fault handler in entry.S
   - fix TLB maintenance synchronization problem
   - add show_tlb for CPU_CK860 debug
   - fix FAULT_FLAG_XXX param for handle_mm_fault
   - fix update_mmu_cache called with user io mapping
   - fix do_page_fault parent irq status
   - fix a size determination in gpr_get()
   - pgtable.h: Coding convention
   - kprobe: Fix code in simulate without 'long'
   - fix pfn_valid error with wrong max_mapnr
   - use free_initmem_default() in free_initmem()
   - fix compile error"

* tag 'csky-for-linus-5.12-rc1' of git://github.com/c-sky/csky-linux: (30 commits)
  csky: Fixup compile error
  csky: use free_initmem_default() in free_initmem()
  csky: Fixup pfn_valid error with wrong max_mapnr
  csky: Add VDSO with GENERIC_GETTIMEOFDAY, GENERIC_TIME_VSYSCALL, HAVE_GENERIC_VDSO
  csky: kprobe: Fixup code in simulate without 'long'
  csky: Fixup swapon
  csky: pgtable.h: Coding convention
  csky: Fixup _PAGE_ACCESSED for default pgprot
  csky: remove unused including <linux/version.h>
  csky: Fix a size determination in gpr_get()
  csky: Reconstruct VDSO framework
  csky: mm: abort uaccess retries upon fatal signal
  csky: Sync riscv mm/fault.c for easy maintenance
  csky: Fixup do_page_fault parent irq status
  csky: Add faulthandler_disabled() check
  csky: Fixup update_mmu_cache called with user io mapping
  csky: Fixup FAULT_FLAG_XXX param for handle_mm_fault
  csky: Add show_tlb for CPU_CK860 debug
  csky: Fix TLB maintenance synchronization problem
  csky: Add kmemleak support
  ...
2021-02-28 12:06:45 -08:00
Linus Torvalds
7d19ea5e99 RISC-V Patches for the 5.12 Merge Window, Part 2
I have a pair of patches that slipped through the cracks:
 
 * CPU hotplug has been enabled in the defconfigs
 * Some cleanups to setup_bootmem.
 
 There's also a single fix
 
 * Force NUMA to depend on SMP.  This fixes some randconfig build
   failures.
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Merge tag 'riscv-for-linus-5.12-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull more RISC-V updates from Palmer Dabbelt:
 "A pair of patches that slipped through the cracks:

   - enable CPU hotplug in the defconfigs

   - some cleanups to setup_bootmem

  There's also a single fix for some randconfig build failures:

   - make NUMA depend on SMP"

* tag 'riscv-for-linus-5.12-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
  riscv: Cleanup setup_bootmem()
  RISC-V: Enable CPU Hotplug in defconfigs
  RISC-V: Make NUMA depend on SMP
2021-02-28 12:01:23 -08:00
Linus Torvalds
0b311e34d5 SCSI misc on 20210228
This is a few driver updates (iscsi, mpt3sas) that were still in the
 staging queue when the merge window opened (all committed on or before
 8 Feb) and some small bug fixes which came in during the merge window
 (all committed on 22 Feb).
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull more SCSI updates from James Bottomley:
 "This is a few driver updates (iscsi, mpt3sas) that were still in the
  staging queue when the merge window opened (all committed on or before
  8 Feb) and some small bug fixes which came in during the merge window
  (all committed on 22 Feb)"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (30 commits)
  scsi: hpsa: Correct dev cmds outstanding for retried cmds
  scsi: sd: Fix Opal support
  scsi: target: tcmu: Fix memory leak caused by wrong uio usage
  scsi: target: tcmu: Move some functions without code change
  scsi: sd: sd_zbc: Don't pass GFP_NOIO to kvcalloc
  scsi: aic7xxx: Remove unused function pointer typedef ahc_bus_suspend/resume_t
  scsi: bnx2fc: Fix Kconfig warning & CNIC build errors
  scsi: ufs: Fix a duplicate dev quirk number
  scsi: aic79xx: Fix spelling of version
  scsi: target: core: Prevent underflow for service actions
  scsi: target: core: Add cmd length set before cmd complete
  scsi: iscsi: Drop session lock in iscsi_session_chkready()
  scsi: qla4xxx: Use iscsi_is_session_online()
  scsi: libiscsi: Reset max/exp cmdsn during recovery
  scsi: iscsi_tcp: Fix shost can_queue initialization
  scsi: libiscsi: Add helper to calculate max SCSI cmds per session
  scsi: libiscsi: Fix iSCSI host workq destruction
  scsi: libiscsi: Fix iscsi_task use after free()
  scsi: libiscsi: Drop taskqueuelock
  scsi: libiscsi: Fix iscsi_prep_scsi_cmd_pdu() error handling
  ...
2021-02-28 11:51:20 -08:00
Linus Torvalds
03dc748bf1 More new code for 5.12:
- Restore a disused sysctl control knob that was inadvertently dropped
   during the merge window to avoid fstests regressions.
 - Don't speculatively release freed blocks from the busy list until
   we're actually allocating them, which fixes a rare log recovery
   regression.
 - Don't nest transactions when scanning for free space.
 - Add an idiot^Wmaintainer light to detect nested transactions. ;)
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Merge tag 'xfs-5.12-merge-6' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

Pull more xfs updates from Darrick Wong:
 "The most notable fix here prevents premature reuse of freed metadata
  blocks, and adding the ability to detect accidental nested
  transactions, which are not allowed here.

   - Restore a disused sysctl control knob that was inadvertently
     dropped during the merge window to avoid fstests regressions.

   - Don't speculatively release freed blocks from the busy list until
     we're actually allocating them, which fixes a rare log recovery
     regression.

   - Don't nest transactions when scanning for free space.

   - Add an idiot^Wmaintainer light to detect nested transactions. ;)"

* tag 'xfs-5.12-merge-6' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
  xfs: use current->journal_info for detecting transaction recursion
  xfs: don't nest transactions when scanning for eofblocks
  xfs: don't reuse busy extents on extent trim
  xfs: restore speculative_cow_prealloc_lifetime sysctl
2021-02-28 11:45:25 -08:00
Linus Torvalds
3ab6608e66 block-5.12-2021-02-27
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Merge tag 'block-5.12-2021-02-27' of git://git.kernel.dk/linux-block

Pull more block updates from Jens Axboe:
 "A few stragglers (and one due to me missing it originally), and fixes
  for changes in this merge window mostly. In particular:

   - blktrace cleanups (Chaitanya, Greg)

   - Kill dead blk_pm_* functions (Bart)

   - Fixes for the bio alloc changes (Christoph)

   - Fix for the partition changes (Christoph, Ming)

   - Fix for turning off iopoll with polled IO inflight (Jeffle)

   - nbd disconnect fix (Josef)

   - loop fsync error fix (Mauricio)

   - kyber update depth fix (Yang)

   - max_sectors alignment fix (Mikulas)

   - Add bio_max_segs helper (Matthew)"

* tag 'block-5.12-2021-02-27' of git://git.kernel.dk/linux-block: (21 commits)
  block: Add bio_max_segs
  blktrace: fix documentation for blk_fill_rw()
  block: memory allocations in bounce_clone_bio must not fail
  block: remove the gfp_mask argument to bounce_clone_bio
  block: fix bounce_clone_bio for passthrough bios
  block-crypto-fallback: use a bio_set for splitting bios
  block: fix logging on capacity change
  blk-settings: align max_sectors on "logical_block_size" boundary
  block: reopen the device in blkdev_reread_part
  block: don't skip empty device in in disk_uevent
  blktrace: remove debugfs file dentries from struct blk_trace
  nbd: handle device refs for DESTROY_ON_DISCONNECT properly
  kyber: introduce kyber_depth_updated()
  loop: fix I/O error on fsync() in detached loop devices
  block: fix potential IO hang when turning off io_poll
  block: get rid of the trace rq insert wrapper
  blktrace: fix blk_rq_merge documentation
  blktrace: fix blk_rq_issue documentation
  blktrace: add blk_fill_rwbs documentation comment
  block: remove superfluous param in blk_fill_rwbs()
  ...
2021-02-28 11:23:38 -08:00
Chris Chiu
d0e185616a ALSA: hda/realtek: Enable headset mic of Acer SWIFT with ALC256
The Acer SWIFT Swift SF314-54/55 laptops with ALC256 cannot detect
both the headset mic and the internal mic. Introduce new fixup
to enable the jack sense and the headset mic. However, the internal
mic actually connects to Intel SST audio. It still needs Intel SST
support to make internal mic capture work.

Signed-off-by: Chris Chiu <chris.chiu@canonical.com>
Acked-by: Jian-Hong Pan <jhp@endlessos.org>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20210226010440.8474-1-chris.chiu@canonical.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-02-28 09:14:07 +01:00
Colin Ian King
26a9630c72 ALSA: ctxfi: cthw20k2: fix mask on conf to allow 4 bits
Currently the mask operation on variable conf is just 3 bits so
the switch statement case value of 8 is unreachable dead code.
The function daio_mgr_dao_init can be passed a 4 bit value,
function dao_rsc_init calls it with conf set to:

     conf = (desc->msr & 0x7) | (desc->passthru << 3);

so clearly when desc->passthru is set to 1 then conf can be
at least 8.

Fix this by changing the mask to 0xf.

Fixes: 8cc7236148 ("ALSA: SB X-Fi driver merge")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20210227001527.1077484-1-colin.king@canonical.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-02-28 09:12:41 +01:00
Takashi Iwai
5f5e6a3e8b ALSA: usb-audio: Allow modifying parameters with succeeding hw_params calls
The recent fix for the hw constraints for implicit feedback streams
via commit e4ea77f8e5 ("ALSA: usb-audio: Always apply the hw
constraints for implicit fb sync") added the check of the matching
endpoints and whether those EPs are already opened.  This is needed
and correct, per se, even for the normal streams without the implicit
feedback, as the endpoint setup is exclusive.

However, it's reported that there seem applications that behave in
unexpected ways to update the hw_params without clearing the previous
setup via hw_free, and those hit a problem now: then hw_params is
called with still the previous EP setup kept, hence it's restricted
with the previous own setup.  Although the obvious fix is to call
snd_pcm_hw_free() API in the application side, it's a kind of
unwelcome change.

This patch tries to ease the situation: in the endpoint check, we add
a couple of more conditions and now skip the endpoint that is being
used only by the stream in question itself.  That is, in addition to
the presence check of ep (ep->cur_audiofmt is non-NULL), when the
following conditions are met, we skip such an ep:
- ep->opened == 1, and
- ep->cur_audiofmt == subs->cur_audiofmt.

subs->cur_audiofmt is non-NULL only if it's a re-setup of hw_params,
and ep->cur_audiofmt points to the currently set up parameters.  So if
those match, it must be this stream itself.

Fixes: e4ea77f8e5 ("ALSA: usb-audio: Always apply the hw constraints for implicit fb sync")
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=211941
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20210228080138.9936-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-02-28 09:02:08 +01:00
Masahiro Yamada
207da4c82a kbuild: Fix <linux/version.h> for empty SUBLEVEL or PATCHLEVEL again
Commit 78d3bb4483 ("kbuild: Fix <linux/version.h> for empty SUBLEVEL
or PATCHLEVEL") fixed the build error for empty SUBLEVEL or PATCHLEVEL
by prepending a zero.

Commit 9b82f13e7e ("kbuild: clamp SUBLEVEL to 255") re-introduced
this issue.

This time, we cannot take the same approach because we have C code:

  #define LINUX_VERSION_PATCHLEVEL $(PATCHLEVEL)
  #define LINUX_VERSION_SUBLEVEL $(SUBLEVEL)

Replace empty SUBLEVEL/PATCHLEVEL with a zero.

Fixes: 9b82f13e7e ("kbuild: clamp SUBLEVEL to 255")
Reported-by: Christian Zigotzky <chzigotzky@xenosoft.de>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-and-tested-by: Sasha Levin <sashal@kernel.org>
2021-02-28 15:23:48 +09:00
Masahiro Yamada
2214945422 kbuild: make -s option take precedence over V=1
'make -s' should be really silent. However, 'make -s V=1' prints noisy
log messages from some shell scripts.

Of course, such a combination is odd, but the build system needs to do
the right thing even if a user gives strange input.

If -s is given, KBUILD_VERBOSE should be forced to 0.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2021-02-28 15:22:02 +09:00
Masahiro Yamada
ad7953e7ae ia64: remove redundant READELF from arch/ia64/Makefile
READELF is defined by the top Makefile.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2021-02-28 15:22:02 +09:00
Masahiro Yamada
12e9dea6c9 kbuild: do not include include/config/auto.conf from adjust_autoksyms.sh
Commit cd195bc477 ("kbuild: split adjust_autoksyms.sh in two parts")
split out the code that needs include/config/auto.conf.

This script no longer needs to include include/config/auto.conf.

Fixes: cd195bc477 ("kbuild: split adjust_autoksyms.sh in two parts")
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2021-02-28 15:22:02 +09:00
Masahiro Yamada
a6aaeb8411 kbuild: fix UNUSED_KSYMS_WHITELIST for Clang LTO
Commit fbe078d397 ("kbuild: lto: add a default list of used symbols")
does not work as expected if the .config file has already specified
CONFIG_UNUSED_KSYMS_WHITELIST="my/own/white/list" before enabling
CONFIG_LTO_CLANG.

So, the user-supplied whitelist and LTO-specific white list must be
independent of each other.

I refactored the shell script so CONFIG_MODVERSIONS and CONFIG_CLANG_LTO
handle whitelists in the same way.

Fixes: fbe078d397 ("kbuild: lto: add a default list of used symbols")
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Tested-by: Sedat Dilek <sedat.dilek@gmail.com>
2021-02-28 15:19:21 +09:00
Linus Torvalds
5695e51619 io_uring-worker.v3-2021-02-25
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Merge tag 'io_uring-worker.v3-2021-02-25' of git://git.kernel.dk/linux-block

Pull io_uring thread rewrite from Jens Axboe:
 "This converts the io-wq workers to be forked off the tasks in question
  instead of being kernel threads that assume various bits of the
  original task identity.

  This kills > 400 lines of code from io_uring/io-wq, and it's the worst
  part of the code. We've had several bugs in this area, and the worry
  is always that we could be missing some pieces for file types doing
  unusual things (recent /dev/tty example comes to mind, userfaultfd
  reads installing file descriptors is another fun one... - both of
  which need special handling, and I bet it's not the last weird oddity
  we'll find).

  With these identical workers, we can have full confidence that we're
  never missing anything. That, in itself, is a huge win. Outside of
  that, it's also more efficient since we're not wasting space and code
  on tracking state, or switching between different states.

  I'm sure we're going to find little things to patch up after this
  series, but testing has been pretty thorough, from the usual
  regression suite to production. Any issue that may crop up should be
  manageable.

  There's also a nice series of further reductions we can do on top of
  this, but I wanted to get the meat of it out sooner rather than later.
  The general worry here isn't that it's fundamentally broken. Most of
  the little issues we've found over the last week have been related to
  just changes in how thread startup/exit is done, since that's the main
  difference between using kthreads and these kinds of threads. In fact,
  if all goes according to plan, I want to get this into the 5.10 and
  5.11 stable branches as well.

  That said, the changes outside of io_uring/io-wq are:

   - arch setup, simple one-liner to each arch copy_thread()
     implementation.

   - Removal of net and proc restrictions for io_uring, they are no
     longer needed or useful"

* tag 'io_uring-worker.v3-2021-02-25' of git://git.kernel.dk/linux-block: (30 commits)
  io-wq: remove now unused IO_WQ_BIT_ERROR
  io_uring: fix SQPOLL thread handling over exec
  io-wq: improve manager/worker handling over exec
  io_uring: ensure SQPOLL startup is triggered before error shutdown
  io-wq: make buffered file write hashed work map per-ctx
  io-wq: fix race around io_worker grabbing
  io-wq: fix races around manager/worker creation and task exit
  io_uring: ensure io-wq context is always destroyed for tasks
  arch: ensure parisc/powerpc handle PF_IO_WORKER in copy_thread()
  io_uring: cleanup ->user usage
  io-wq: remove nr_process accounting
  io_uring: flag new native workers with IORING_FEAT_NATIVE_WORKERS
  net: remove cmsg restriction from io_uring based send/recvmsg calls
  Revert "proc: don't allow async path resolution of /proc/self components"
  Revert "proc: don't allow async path resolution of /proc/thread-self components"
  io_uring: move SQPOLL thread io-wq forked worker
  io-wq: make io_wq_fork_thread() available to other users
  io-wq: only remove worker from free_list, if it was there
  io_uring: remove io_identity
  io_uring: remove any grabbing of context
  ...
2021-02-27 08:29:02 -08:00
Linus Torvalds
5ceabb6078 Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull misc vfs updates from Al Viro:
 "Assorted stuff pile - no common topic here"

* 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  whack-a-mole: don't open-code iminor/imajor
  9p: fix misuse of sscanf() in v9fs_stat2inode()
  audit_alloc_mark(): don't open-code ERR_CAST()
  fs/inode.c: make inode_init_always() initialize i_ino to 0
  vfs: don't unnecessarily clone write access for writable fds
2021-02-27 08:07:12 -08:00
Linus Torvalds
580cd7736f Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
 "Three more bugfixes and one revert. I accidently applied one patch too
  early"

* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: exynos5: Preserve high speed master code
  Revert "i2c: i2c-qcom-geni: Add shutdown callback for i2c"
  i2c: designware: Get right data length
  i2c: brcmstb: Fix brcmstd_send_i2c_cmd condition
2021-02-27 07:55:27 -08:00
Guo Ren
6607aa6f6b csky: Fixup compile error
: error: C++ style comments are not allowed in ISO C90
 // Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
 ^
error: (this will be reported only once per input file)

Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
2021-02-27 22:04:14 +08:00
Takashi Iwai
21cba9c535 ALSA: usb-audio: Drop bogus dB range in too low level
Some USB audio firmware seem to report broken dB values for the volume
controls, and this screws up applications like PulseAudio who blindly
trusts the given data.  For example, Edifier G2000 reports a PCM
volume from -128dB to -127dB, and this results in barely inaudible
sound.

This patch adds a sort of sanity check at parsing the dB values in
USB-audio driver and disables the dB reporting if the range looks
bogus.  Here, we assume -96dB as the bottom line of the max dB.

Note that, if one can figure out that proper dB range later, it can be
patched in the mixer maps.

BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=211929
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20210227105737.3656-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-02-27 11:58:05 +01:00