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>
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
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>
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>
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>
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>
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>
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>
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>
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>
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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
- 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
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
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
...
- 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
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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()
...
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>
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>
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>
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>
'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>
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>
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>
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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
...
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
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
: 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>
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>
The existing code is essentially
free_initmem_default()->free_reserved_area() without poisoning.
Note that existing code missed to update the managed page count of the
zone.
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Wei Yang <richard.weiyang@linux.alibaba.com>
Tested-by: Guo Ren <guoren@kernel.org>
Signed-off-by: Guo Ren <guoren@kernel.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
The max_mapnr is the number of PFNs, not absolute PFN offset.
Using set_max_mapnr API instead of setting the value directly.
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
It could help to reduce the latency of the time-related functions
in user space.
We have referenced arm's and riscv's implementation for the patch.
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Cc: Vincent Chen <vincent.chen@sifive.com>
Cc: Arnd Bergmann <arnd@arndb.de>
The type of 'val' is 'unsigned long' in simulate_blz32, so 'val < 0'
can't be true.
Cast 'val' to 'long' here to determine branch token or not,
Fixup instructions: bnezad32, bhsz32, bhz32, blsz32, blz32
Link: https://lore.kernel.org/linux-csky/CAJF2gTQjKXR9gpo06WAWG1aquiT87mATiMGorXs6ChxOxoe90Q@mail.gmail.com/T/#t
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Co-developed-by: Menglong Dong <dong.menglong@zte.com.cn>
Signed-off-by: Menglong Dong <dong.menglong@zte.com.cn>
Current csky's swappon is broken by wrong swap PTE entry format.
Now redesign the new format for abiv1 & abiv2 and make swappon +
zram work properly on csky machines.
C-SKY PTE has VALID, DIRTY to emulate PRESENT, READ, WRITE, EXEC
attributes. GLOBAL bit is shared by two pages in the same tlb
entry. So we need to keep GLOBAL, VALID, PRESENT zero in swp_pte.
To distinguish PAGE_NONE and swp_pte, we need to use an additional
bit (abiv1 is _PAGE_READ, abiv2 is _PAGE_WRITE).
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Cc: Arnd Bergmann <arnd@arndb.de>
The commit 93db51d06b ("ALSA: usb-audio: Check valid altsetting at
parsing rates for UAC2/3") changed the behavior of the function
set_sample_rate_v2v3() slightly to treat the inconsistent sample rate
as an error. It was done by assumption that the sample rate
validation should have been done at the parser phase as implemented in
that patch. But the validation is later selectively enabled only for
certain devices as it causes a regression (the commit fe773b8711
"ALSA: usb-audio: workaround for iface reset issue"), and now the
inconsistency surfaced as a fatal error while it worked in the past as
is, as reported for FiiO M3K DAC.
For recovering from the regression, change set_sample_rate_v2v3()
again to ignore the sample rate difference as non-error.
BugLink: https://bugzilla.opensuse.org/show_bug.cgi?id=1182633
Fixes: 93db51d06b ("ALSA: usb-audio: Check valid altsetting at parsing rates for UAC2/3")
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20210227082002.21185-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Some randconfig builds fail with undefined references to _mcount
when CONFIG_TRIM_UNUSED_KSYMS is set:
ERROR: modpost: "_mcount" [drivers/tee/optee/optee.ko] undefined!
ERROR: modpost: "_mcount" [drivers/fsi/fsi-occ.ko] undefined!
ERROR: modpost: "_mcount" [drivers/fpga/dfl-pci.ko] undefined!
Since there is already a list of symbols that get generated at link
time, add this one as well.
Fixes: fbe078d397 ("kbuild: lto: add a default list of used symbols")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
After the following patches,
commit de043da0b9 ("RISC-V: Fix usage of memblock_enforce_memory_limit")
commit 1bd14a66ee ("RISC-V: Remove any memblock representing unusable memory area")
commit b10d6bca87 ("arch, drivers: replace for_each_membock() with for_each_mem_range()")
some logic is useless, kill the mem_start/start/end and unneeded code.
Reviewed-by: Atish Patra <atish.patra@wdc.com>
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
The CPU hotplug support has been tested on QEMU, Spike, and SiFive
Unleashed so let's enable it by default in RV32 and RV64 defconfigs.
Signed-off-by: Anup Patel <anup.patel@wdc.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
In theory these are orthogonal, but in practice all NUMA systems are
SMP. NUMA && !SMP doesn't build, everyone else is coupling them, and I
don't really see any value in supporting that configuration.
Fixes: 4f0e8eef77 ("riscv: Add numa support for riscv64 platform")
Suggested-by: Andrew Morton <akpm@linux-foundation.org>
Suggested-by: Atish Patra <atishp@atishpatra.org>
Reported-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Tested-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
It's often inconvenient to use BIO_MAX_PAGES due to min() requiring the
sign to be the same. Introduce bio_max_segs() and change BIO_MAX_PAGES to
be unsigned to make it easier for the users.
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Merge tag 'docs-5.12-2' of git://git.lwn.net/linux
Pull documentation fixes from Jonathan Corbet:
"A handful of late-arriving documentation fixes, nothing all that
notable"
* tag 'docs-5.12-2' of git://git.lwn.net/linux:
docs: proc.rst: fix indentation warning
Documentation: cgroup-v2: fix path to example BPF program
docs: powerpc: Fix tables in syscall64-abi.rst
Documentation: features: refresh feature list
Documentation: features: remove c6x references
docs: ABI: testing: ima_policy: Fixed missing bracket
Fix unaesthetic indentation
scripts: kernel-doc: fix array element capture in pointer-to-func parsing
doc: use KCFLAGS instead of EXTRA_CFLAGS to pass flags from command line
Documentation: proc.rst: add more about the 6 fields in loadavg
Include:
- Update for Litex SoC controller to support wider width registers as
well as reset.
- Refactor SMP code to use device tree to define possible cpus.
- Updates build including generating vmlinux.bin
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Merge tag 'for-linus' of git://github.com/openrisc/linux
Pull OpenRISC updates from Stafford Horne:
- Update for Litex SoC controller to support wider width registers as
well as reset.
- Refactor SMP code to use device tree to define possible cpus.
- Update build including generating vmlinux.bin
* tag 'for-linus' of git://github.com/openrisc/linux:
openrisc: Use devicetree to determine present cpus
drivers/soc/litex: Add restart handler
openrisc: add arch/openrisc/Kbuild
drivers/soc/litex: make 'litex_[set|get]_reg()' methods private
drivers/soc/litex: support 32-bit subregisters, 64-bit CPUs
drivers/soc/litex: s/LITEX_REG_SIZE/LITEX_SUBREG_ALIGN/g
drivers/soc/litex: separate MMIO from subregister offset calculation
drivers/soc/litex: move generic accessors to litex.h
openrisc: restart: Call common handlers before hanging
openrisc: Add vmlinux.bin target
- Fix physical vs virtual confusion in some basic mm macros and
routines. Caused by __pa == __va on s390 currently.
- Get rid of on-stack cpu masks.
- Add support for complete CPU counter set extraction.
- Add arch_irq_work_raise implementation.
- virtio-ccw revision and opcode fixes.
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Merge tag 's390-5.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull more s390 updates from Vasily Gorbik:
- Fix physical vs virtual confusion in some basic mm macros and
routines. Caused by __pa == __va on s390 currently.
- Get rid of on-stack cpu masks.
- Add support for complete CPU counter set extraction.
- Add arch_irq_work_raise implementation.
- virtio-ccw revision and opcode fixes.
* tag 's390-5.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/cpumf: Add support for complete counter set extraction
virtio/s390: implement virtio-ccw revision 2 correctly
s390/smp: implement arch_irq_work_raise()
s390/topology: move cpumasks away from stack
s390/smp: smp_emergency_stop() - move cpumask away from stack
s390/smp: __smp_rescan_cpus() - move cpumask away from stack
s390/smp: consolidate locking for smp_rescan()
s390/mm: fix phys vs virt confusion in vmem_*() functions family
s390/mm: fix phys vs virt confusion in pgtable allocation routines
s390/mm: fix invalid __pa() usage in pfn_pXd() macros
s390/mm: make pXd_deref() macros return a pointer
s390/opcodes: rename selhhhr to selfhr
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Merge tag '5.12-smb3-part1' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs updates from Steve French:
- improvements to mode bit conversion, chmod and chown when using
cifsacl mount option
- two new mount options for controlling attribute caching
- improvements to crediting and reconnect, improved debugging
- reconnect fix
- add SMB3.1.1 dialect to default dialects for vers=3
* tag '5.12-smb3-part1' of git://git.samba.org/sfrench/cifs-2.6: (27 commits)
cifs: update internal version number
cifs: use discard iterator to discard unneeded network data more efficiently
cifs: introduce helper for finding referral server to improve DFS target resolution
cifs: check all path components in resolved dfs target
cifs: fix DFS failover
cifs: fix nodfs mount option
cifs: fix handling of escaped ',' in the password mount argument
cifs: Add new parameter "acregmax" for distinct file and directory metadata timeout
cifs: convert revalidate of directories to using directory metadata cache timeout
cifs: Add new mount parameter "acdirmax" to allow caching directory metadata
cifs: If a corrupted DACL is returned by the server, bail out.
cifs: minor simplification to smb2_is_network_name_deleted
TCON Reconnect during STATUS_NETWORK_NAME_DELETED
cifs: cleanup a few le16 vs. le32 uses in cifsacl.c
cifs: Change SIDs in ACEs while transferring file ownership.
cifs: Retain old ACEs when converting between mode bits and ACL.
cifs: Fix cifsacl ACE mask for group and others.
cifs: clarify hostname vs ip address in /proc/fs/cifs/DebugData
cifs: change confusing field serverName (to ip_addr)
cifs: Fix inconsistent IS_ERR and PTR_ERR
...
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Merge tag 'for-5.12/io_uring-2021-02-25' of git://git.kernel.dk/linux-block
Pull more io_uring updates from Jens Axboe:
"A collection of later fixes that we should get into this release:
- Series of submission cleanups (Pavel)
- A few fixes for issues from earlier this merge window (Pavel, me)
- IOPOLL resubmission fix
- task_work locking fix (Hao)"
* tag 'for-5.12/io_uring-2021-02-25' of git://git.kernel.dk/linux-block: (25 commits)
Revert "io_uring: wait potential ->release() on resurrect"
io_uring: fix locked_free_list caches_free()
io_uring: don't attempt IO reissue from the ring exit path
io_uring: clear request count when freeing caches
io_uring: run task_work on io_uring_register()
io_uring: fix leaving invalid req->flags
io_uring: wait potential ->release() on resurrect
io_uring: keep generic rsrc infra generic
io_uring: zero ref_node after killing it
io_uring: make the !CONFIG_NET helpers a bit more robust
io_uring: don't hold uring_lock when calling io_run_task_work*
io_uring: fail io-wq submission from a task_work
io_uring: don't take uring_lock during iowq cancel
io_uring: fail links more in io_submit_sqe()
io_uring: don't do async setup for links' heads
io_uring: do io_*_prep() early in io_submit_sqe()
io_uring: split sqe-prep and async setup
io_uring: don't submit link on error
io_uring: move req link into submit_state
io_uring: move io_init_req() into io_submit_sqe()
...
Pull swiotlb updates from Konrad Rzeszutek Wilk:
"Two memory encryption related patches (SWIOTLB is enabled by default
for AMD-SEV):
- Add support for alignment so that NVME can properly work
- Keep track of requested DMA buffers length, as underlaying hardware
devices can trip SWIOTLB to bounce too much and crash the kernel
And a tiny fix to use proper APIs in drivers"
* 'stable/for-linus-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb:
swiotlb: Validate bounce size in the sync/unmap path
nvme-pci: set min_align_mask
swiotlb: respect min_align_mask
swiotlb: don't modify orig_addr in swiotlb_tbl_sync_single
swiotlb: refactor swiotlb_tbl_map_single
swiotlb: clean up swiotlb_tbl_unmap_single
swiotlb: factor out a nr_slots helper
swiotlb: factor out an io_tlb_offset helper
swiotlb: add a IO_TLB_SIZE define
driver core: add a min_align_mask field to struct device_dma_parameters
sdhci: stop poking into swiotlb internals
changing CLASS_FLASH to return success to make it easier to work with
V4L2 stuff disabled, and we are getting rid of enum that should have
been plain integer long time ago. I'm slightly nervous about potential
warnings, but it needed to be fixed at some point.
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Merge tag 'leds-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds
Pull LED updates from Pavel Machek:
"Besides the usual fixes and new drivers, we are changing CLASS_FLASH
to return success to make it easier to work with V4L2 stuff disabled,
and we are getting rid of enum that should have been plain integer
long time ago. I'm slightly nervous about potential warnings, but it
needed to be fixed at some point"
* tag 'leds-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds:
leds: lp50xx: Get rid of redundant explicit casting
leds: lp50xx: Update headers block to reflect reality
leds: lp50xx: Get rid of redundant check in lp50xx_enable_disable()
leds: lp50xx: Reduce level of dereferences
leds: lp50xx: Switch to new style i2c-driver probe function
leds: lp50xx: Don't spam logs when probe is deferred
leds: apu: extend support for PC Engines APU1 with newer firmware
leds: flash: Fix multicolor no-ops registration by return 0
leds: flash: Add flash registration with undefined CONFIG_LEDS_CLASS_FLASH
leds: lgm: Add LED controller driver for LGM SoC
dt-bindings: leds: Add bindings for Intel LGM SoC
leds: led-core: Get rid of enum led_brightness
leds: gpio: Set max brightness to 1
leds: lm3533: Switch to using the new API kobj_to_dev()
leds: ss4200: simplify the return expression of register_nasgpio_led()
leds: Use DEVICE_ATTR_{RW, RO, WO} macros
Saeed Mahameed