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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH:
"Here is the big set of char and misc and other tiny driver subsystem
updates for 5.16-rc1.
Loads of things in here, all of which have been in linux-next for a
while with no reported problems (except for one called out below.)
Included are:
- habanana labs driver updates, including dma_buf usage, reviewed and
acked by the dma_buf maintainers
- iio driver update (going through this tree not staging as they
really do not belong going through that tree anymore)
- counter driver updates
- hwmon driver updates that the counter drivers needed, acked by the
hwmon maintainer
- xillybus driver updates
- binder driver updates
- extcon driver updates
- dma_buf module namespaces added (will cause a build error in arm64
for allmodconfig, but that change is on its way through the drm
tree)
- lkdtm driver updates
- pvpanic driver updates
- phy driver updates
- virt acrn and nitr_enclaves driver updates
- smaller char and misc driver updates"
* tag 'char-misc-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (386 commits)
comedi: dt9812: fix DMA buffers on stack
comedi: ni_usb6501: fix NULL-deref in command paths
arm64: errata: Enable TRBE workaround for write to out-of-range address
arm64: errata: Enable workaround for TRBE overwrite in FILL mode
coresight: trbe: Work around write to out of range
coresight: trbe: Make sure we have enough space
coresight: trbe: Add a helper to determine the minimum buffer size
coresight: trbe: Workaround TRBE errata overwrite in FILL mode
coresight: trbe: Add infrastructure for Errata handling
coresight: trbe: Allow driver to choose a different alignment
coresight: trbe: Decouple buffer base from the hardware base
coresight: trbe: Add a helper to pad a given buffer area
coresight: trbe: Add a helper to calculate the trace generated
coresight: trbe: Defer the probe on offline CPUs
coresight: trbe: Fix incorrect access of the sink specific data
coresight: etm4x: Add ETM PID for Kryo-5XX
coresight: trbe: Prohibit trace before disabling TRBE
coresight: trbe: End the AUX handle on truncation
coresight: trbe: Do not truncate buffer on IRQ
coresight: trbe: Fix handling of spurious interrupts
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver updates from Greg KH:
"Here is the big set of staging driver updates and cleanups for
5.16-rc1.
Overall we ended up removing a lot of code this time, a bit over
20,000 lines are now gone thanks to a lot of cleanup work by many
developers.
Nothing huge in here functionality wise, just loads of cleanups:
- r8188eu driver major cleanups and removal of unused and dead code
- wlan-ng minor cleanups
- fbtft driver cleanups
- most driver cleanups
- rtl8* drivers cleanups
- rts5208 driver cleanups
- vt6655 driver cleanups
- vc04_services drivers cleanups
- wfx cleanups on the way to almost getting this merged out of
staging (it's close!)
- tiny mips changes needed for the mt7621 drivers, they have been
acked by the respective subsystem maintainers to go through this
tree.
All of these have been in linux-next for a while with no reported
issues"
* tag 'staging-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (622 commits)
staging: r8188eu: hal: remove goto statement and local variable
staging: rtl8723bs: hal remove the assignment to itself
staging: rtl8723bs: fix unmet dependency on CRYPTO for CRYPTO_LIB_ARC4
staging: vchiq_core: get rid of typedef
staging: fieldbus: anybus: reframe comment to avoid warning
staging: r8188eu: fix missing unlock in rtw_resume()
staging: r8188eu: core: remove the goto from rtw_IOL_accquire_xmit_frame
staging: r8188eu: core: remove goto statement
staging: vt6655: Rename `dwAL7230InitTable` array
staging: vt6655: Rename `dwAL2230PowerTable` array
staging: vt6655: Rename `dwAL7230InitTableAMode` array
staging: vt6655: Rename `dwAL7230ChannelTable2` array
staging: vt6655: Rename `dwAL7230ChannelTable1` array
staging: vt6655: Rename `dwAL7230ChannelTable0` array
staging: vt6655: Rename `dwAL2230ChannelTable1` array
staging: vt6655: Rename `dwAL2230ChannelTable0` array
staging: r8712u: fix control-message timeout
staging: rtl8192u: fix control-message timeouts
staging: mt7621-dts: add missing SPDX license to files
staging: vchiq_core: fix quoted strings split across lines
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / Thunderbolt updates from Greg KH:
"Here is the big set of USB and Thunderbolt driver updates for
5.16-rc1.
Nothing major in here, just lots of little cleanups and additions for
new hardware, all of which have been in linux-next for a while with no
reported problems.
Included in here are:
- tiny Thunderbolt driver updates
- USB typec driver updates
- USB serial driver updates
- USB gadget driver updates
- dwc2 and dwc3 controller driver updates
- tiny USB host driver updates
- minor USB driver fixes and updates
- USB dts updates for various platforms"
* tag 'usb-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (123 commits)
usb: gadget: Mark USB_FSL_QE broken on 64-bit
usb: gadget: f_mass_storage: Disable eps during disconnect
usb: gadget: udc: core: Revise comments for USB ep enable/disable
USB: serial: keyspan: fix memleak on probe errors
USB: serial: cp210x: use usb_control_msg_recv() and usb_control_msg_send()
USB: serial: ch314: use usb_control_msg_recv()
USB: iowarrior: fix control-message timeouts
Documentation: USB: fix example bulk-message timeout
usb: dwc2: stm32mp15: set otg_rev
usb: dwc2: add otg_rev and otg_caps information for gadget driver
dt-bindings: usb: dwc2: adopt otg properties defined in usb-drd.yaml
dt-bindings: usb: dwc2: Add reference to usb-drd.yaml
usb: gadget: uvc: implement dwPresentationTime and scrSourceClock
usb: gadget: uvc: use on returned header len in video_encode_isoc_sg
usb:gadget: f_uac1: fixed sync playback
Docs: usb: remove :c:func: for usb_register and usb_deregister
Docs: usb: update struct usb_driver
usb: gadget: configfs: change config attributes file operation
usb: gadget: configfs: add cfg_to_gadget_info() helper
usb: dwc3: Align DWC3_EP_* flag macros
...
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We already include <linux/device.h> and <linux/msi.h>, which
include <asm/device.h> and <asm/msi.h>.
Drop the redundant includes of <asm/device.h> and <asm/msi.h>.
[bhelgaas: squash in fix from Wan Jiabing <wanjiabing@vivo.com>:
https://lore.kernel.org/r/20211104063720.29375-1-wanjiabing@vivo.com]
Link: https://lore.kernel.org/r/20211013003145.1107148-1-kw@linux.com
Signed-off-by: Krzysztof Wilczyński <kw@linux.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Jonathan Derrick <jonathan.derrick@linux.dev>
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This regression can be reproduced with ntfs-3g and overlayfs:
mkdir lower upper work overlay
dd if=/dev/zero of=ntfs.raw bs=1M count=2
mkntfs -F ntfs.raw
mount ntfs.raw lower
touch lower/file.txt
mount -t overlay -o lowerdir=lower,upperdir=upper,workdir=work - overlay
mv overlay/file.txt overlay/file2.txt
mv fails and (misleadingly) prints
mv: cannot move 'overlay/file.txt' to a subdirectory of itself, 'overlay/file2.txt'
The reason is that ovl_copy_fileattr() is triggered due to S_NOATIME being
set on all inodes (by fuse) regardless of fileattr.
ovl_copy_fileattr() tries to retrieve file attributes from lower file, but
that fails because filesystem does not support this ioctl (this should fail
with ENOTTY, but ntfs-3g return EINVAL instead). This failure is
propagated to origial operation (in this case rename) that triggered the
copy-up.
The fix is to ignore ENOTTY and EINVAL errors from fileattr_get() in copy
up. This also requires turning the internal ENOIOCTLCMD into ENOTTY.
As a further measure to prevent unnecessary failures, only try the
fileattr_get/set on upper if there are any flags to copy up.
Side note: a number of filesystems set S_NOATIME (and sometimes other inode
flags) irrespective of fileattr flags. This causes unnecessary calls
during copy up, which might lead to a performance issue, especially if
latency is high. To fix this, the kernel would need to differentiate
between the two cases. E.g. introduce SB_NOATIME_UPDATE, a per-sb variant
of S_NOATIME. SB_NOATIME doesn't work, because that's interpreted as
"filesystem doesn't store an atime attribute"
Reported-and-tested-by: Kevin Locke <kevin@kevinlocke.name>
Fixes: 72db82115d2b ("ovl: copy up sync/noatime fileattr flags")
Cc: <stable@vger.kernel.org> # v5.15
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
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The parameters to two functions and the location of a variable have
changed in more recent LLVM/clang releases.
Remove the unneecessary -fmessage-length and -ferror-limit flags, the
former causes failures like:
58: builtin clang support :
58.1: builtin clang compile C source to IR :
--- start ---
test child forked, pid 279307
error: unknown argument: '-fmessage-length'
1 error generated.
test child finished with -1
Tested with LLVM 6, 8, 9, 10 and 11.
Reviewed-by: Fangrui Song <maskray@google.com>
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sedat Dilek <sedat.dilek@gmail.com>,
Cc: llvm@lists.linux.dev
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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LLVM 9 (current release is LLVM 13) moved the minimum C++ version to
GNU++14. Bump the version numbers in the feature test and perf build.
Reviewed-by: Fangrui Song <maskray@google.com>
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sedat Dilek <sedat.dilek@gmail.com>
Cc: llvm@lists.linux.dev
Link: https://lore.kernel.org/r/20211012021321.291635-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Sohaib Mohamed started a serie of tiny and incomplete checkpatch fixes but
seemingly stopped halfway -- take over and do most of it.
This is still missing net/9p/trans* and net/9p/protocol.c for a later
time...
Link: http://lkml.kernel.org/r/20211102134608.1588018-3-dominique.martinet@atmark-techno.com
Signed-off-by: Dominique Martinet <asmadeus@codewreck.org>
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having a readahead of 128k with a msize of 128k (with overhead) lead to
reading 124+4k everytime, making two roundtrips needlessly.
tune readahead according to msize when cache is enabled for better
performance
Link: http://lkml.kernel.org/r/20211104120323.2189376-1-asmadeus@codewreck.org
Signed-off-by: Dominique Martinet <asmadeus@codewreck.org>
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We need to cleanup resources on the probe() callback registered
with __register_blkdev(), now that add_disk() error handling is
supported. Address this.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Link: https://lore.kernel.org/r/20211103230437.1639990-14-mcgrof@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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We need to cleanup resources on the probe() callback registered
with __register_blkdev(), now that add_disk() error handling is
supported. Address this.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Link: https://lore.kernel.org/r/20211103230437.1639990-13-mcgrof@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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__register_blkdev() is used to register a probe callback, and
that callback is typically used to call add_disk(). Now that
we are able to capture errors for add_disk(), we need to fix
those probe calls where add_disk() fails and clean up resources.
We don't extend the probe call to return the error given:
1) we'd have to always special-case the case where the disk
was already present, as otherwise concurrent requests to
open an existing block device would fail, and this would be
a userspace visible change
2) the error from ilookup() on blkdev_get_no_open() is sufficient
3) The only thing the probe call is used for is to support
pre-devtmpfs, pre-udev semantics that want to create disks when
their pre-created device node is accessed, and so we don't care
for failures on probe there.
Expand documentation for the probe callback to ensure users cleanup
resources if add_disk() is used and to clarify this interface may be
removed in the future.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Link: https://lore.kernel.org/r/20211103230437.1639990-12-mcgrof@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Commit bf9c0538e485b591 ("ataflop: use a separate gendisk for each media
format") introduced ataflop_probe_lock mutex, but forgot to unlock the
mutex when atari_floppy_init() (i.e. module loading) succeeded. This will
result in double lock deadlock if ataflop_probe() is called. Also,
unregister_blkdev() must not be called from atari_floppy_init() with
ataflop_probe_lock held when atari_floppy_init() failed, for
ataflop_probe() waits for ataflop_probe_lock with major_names_lock held
(i.e. AB-BA deadlock).
__register_blkdev() needs to be called last in order to avoid calling
ataflop_probe() when atari_floppy_init() is about to fail, for memory for
completing already-started ataflop_probe() safely will be released as soon
as atari_floppy_init() released ataflop_probe_lock mutex.
As with commit 8b52d8be86d72308 ("loop: reorder loop_exit"),
unregister_blkdev() needs to be called first in order to avoid calling
ataflop_alloc_disk() from ataflop_probe() after del_gendisk() from
atari_floppy_exit().
By relocating __register_blkdev() / unregister_blkdev() as explained above,
we can remove ataflop_probe_lock mutex, for probe function and __exit
function are serialized by major_names_lock mutex.
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Fixes: bf9c0538e485b591 ("ataflop: use a separate gendisk for each media format")
Reviewed-by: Luis Chamberlain <mcgrof@kernel.org>
Tested-by: Michael Schmitz <schmitzmic@gmail.com>
Link: https://lore.kernel.org/r/20211103230437.1639990-11-mcgrof@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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We never checked for errors on add_disk() as this function
returned void. Now that this is fixed, use the shiny new
error handling.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Link: https://lore.kernel.org/r/20211103230437.1639990-10-mcgrof@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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We never checked for errors on add_disk() as this function
returned void. Now that this is fixed, use the shiny new
error handling.
We re-use the same free tag call, so we also add a label for
that as well.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Link: https://lore.kernel.org/r/20211103230437.1639990-9-mcgrof@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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We never checked for errors on add_disk() as this function
returned void. Now that this is fixed, use the shiny new
error handling. Only the disk is cleaned up inside
z2ram_register_disk() as the caller deals with the rest.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Link: https://lore.kernel.org/r/20211103230437.1639990-8-mcgrof@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Now that device_add_disk() supports returning an error, use
that. We must unwind alloc_dax() on error.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Link: https://lore.kernel.org/r/20211103230437.1639990-7-mcgrof@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Prior to devm being able to use pmem_release_disk() there are other
failure which can occur for which we must account for and release the
disk for. Address those few cases.
Fixes: 3dd60fb9d95d ("nvdimm/pmem: stop using q_usage_count as external pgmap refcount")
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Link: https://lore.kernel.org/r/20211103230437.1639990-6-mcgrof@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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We never checked for errors on add_disk() as this function
returned void. Now that this is fixed, use the shiny new
error handling.
Since nvdimm/blk uses devm we just need to move the devm
registration towards the end. And in hindsight, that seems
to also provide a fix given del_gendisk() should not be
called unless the disk was already added via add_disk().
The probably of that issue happening is low though, like
OOM while calling devm_add_action(), so the fix is minor.
We manually unwind in case of add_disk() failure prior
to the devm registration.
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Link: https://lore.kernel.org/r/20211103230437.1639990-5-mcgrof@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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If nd_integrity_init() fails we'd get del_gendisk() called,
but that's not correct as we should only call that if we're
done with device_add_disk(). Fix this by providing unwinding
prior to the devm call being registered and moving the devm
registration to the very end.
This should fix calling del_gendisk() if nd_integrity_init()
fails. I only spotted this issue through code inspection. It
does not fix any real world bug.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Link: https://lore.kernel.org/r/20211103230437.1639990-4-mcgrof@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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We never checked for errors on add_disk() as this function
returned void. Now that this is fixed, use the shiny new
error handling.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Link: https://lore.kernel.org/r/20211103230437.1639990-3-mcgrof@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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This will make it easier to share common error paths.
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Link: https://lore.kernel.org/r/20211103230437.1639990-2-mcgrof@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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The assignment and operation there will be overwritten later, so
it should be deleted.
The clang_analyzer complains as follows:
drivers/block/loop.c:2330:2 warning:
Value stored to 'err' is never read
change in v2:
Repair the sending email box
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: luo penghao <luo.penghao@zte.com.cn>
Link: https://lore.kernel.org/r/20211104064546.3074-1-luo.penghao@zte.com.cn
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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In drbd_create_device(), the 'out_no_io_page' lable has called
blk_cleanup_disk() when return failed.
So remove the 'out_cleanup_disk' lable to avoid double free the
disk pointer.
Fixes: e92ab4eda516 ("drbd: add error handling support for add_disk()")
Signed-off-by: Wu Bo <wubo40@huawei.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/1636013229-26309-1-git-send-email-wubo40@huawei.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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In commit 2214c0e77259 ("parisc: Move thread_info into task struct")
PA-RISC gained support for THREAD_INFO_IN_TASK while changes were
already underway to keep the CPU field in thread_info rather than move
it into task_struct when THREAD_INFO_IN_TASK is enabled. The result is a
broken build for all PA-RISC configs that enable SMP.
So let's partially revert that commit, and get rid of the ugly hack to
get at the offset of task_struct::cpu without having to include
linux/sched.h, and put the CPU field back where it was before.
Reported-by: Guenter Roeck <linux@roeck-us.net>
Fixes: bcf9033e5449 ("sched: move CPU field back into thread_info if THREAD_INFO_IN_TASK=y")
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Helge Deller <deller@gmx.de>
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I no longer think interrupts can be disabled in the futex and cmpxchg
operations because of COW breaks. This not ideal but I suspect it's the
best we can do.
For the cmpxchg operations in syscall.S, we rely on the code to not
schedule off the gateway page. For the futex, I added code to disable
preemption.
So far, I haven't seen the warnings with the attached change but the
change is only lightly tested.
Signed-off-by: Dave Anglin <dave.anglin@bell.net>
Signed-off-by: Helge Deller <deller@gmx.de>
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If the previous context had interrupts disabled, we should better
keep them disabled. This was noticed in the unwinding code where
a copy_from_kernel_nofault() triggered a page fault, and after
the fixup by the page fault handler interrupts where suddenly
enabled.
Signed-off-by: Sven Schnelle <svens@stackframe.org>
Signed-off-by: Helge Deller <deller@gmx.de>
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Syzbot triggered the following warning in ovl_workdir_create() ->
ovl_create_real():
if (!err && WARN_ON(!newdentry->d_inode)) {
The reason is that the cgroup2 filesystem returns from mkdir without
instantiating the new dentry.
Weird filesystems such as this will be rejected by overlayfs at a later
stage during setup, but to prevent such a warning, call ovl_mkdir_real()
directly from ovl_workdir_create() and reject this case early.
Reported-and-tested-by: syzbot+75eab84fd0af9e8bf66b@syzkaller.appspotmail.com
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk updates from Stephen Boyd:
"The usual collection of clk driver updates and new driver additions.
In terms of lines it's mainly Qualcomm and Mediatek code, supporting
various SoCs and their multitude of clk controllers.
New Drivers:
- GCC and RPMcc support for Qualcomm QCM2290 SoCs
- GCC support for Qualcomm MSM8994/MSM8992 SoCs
- LPASSCC and CAMCC support for Qualcomm SC7280 SoCs
- Support for Mediatek MT8195 SoCs
- Initial clock driver for the Exynos850 SoC
- Add i.MX8ULP clock driver and related bindings
Updates:
- Clock power management for new SAMA7G5 SoC
- Updates to the master clock driver and sam9x60-pll to be able to
use cpufreq-dt driver and avoid overclocking of CPU and MCK0
domains while changing the frequency via DVFS
- Use ARRAY_SIZE in qcom clk drivers
- Remove some impractical fallback parent names in qcom clk drivers
- Make Mediatek clk drivers tristate
- Refactoring of the CPU clock code and conversion of Samsung
Exynos5433 CPU clock driver to the platform driver
- A few conversions to devm_platform_ioremap_resource()
- Updates of the Samsung Kconfig help text
- Update video path realted clocks for Amlogic meson8
- Add SPI Multi I/O Bus and SDHI clocks and resets on Renesas RZ/G2L
- Add SPI Multi I/O Bus (RPC) clocks on Renesas R-Car V3U
- Add MediaLB clocks on Renesas R-Car H3, M3-W/W+, and M3-N
- Remove unused helpers from i.MX specific clock header
- Rework all i.MX clk based helpers to use clk_hw based ones
- Rework i.MX gate/mux/divider wrappers
- Rework imx_clk_hw_composite and imx_clk_hw_pll14xx wrappers
- Update i.MX pllv4 and composite clocks to support i.MX8ULP
- Disable i.MX7ULP composite clock during initialization
- Add CLK_SET_RATE_NO_REPARENT flag to the i.MX7ULP composite
- Disable the i.MX pfd when set pfdv2 clock rate
- Add support for i.MX8ULP in pfdv2
- Add the pcc reset controller support on i.MX8ULP
- Fix the build break when clk-imx8ulp is built as module
- Move csi_sel mux to correct base register in i.MX6UL clock drivr
- Fix csi clk gate register in i.MX6UL clock driver
- Fix build bug making CLK_IMX8ULP select MXC_CLK
- Add TPU (PWM), and Z (Cortex-A76) clocks on Renesas R-Car V3U
- Add Ethernet clocks on Renesas RZ/G2L
- Move Rockchip to use module_platform_probe
- Enable usage of Coresight related clocks on Rockchip rk3399"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (170 commits)
clk: use clk_core_get_rate_recalc() in clk_rate_get()
clk: at91: sama7g5: set low limit for mck0 at 32KHz
clk: at91: sama7g5: remove prescaler part of master clock
clk: at91: clk-master: add notifier for divider
clk: at91: clk-sam9x60-pll: add notifier for div part of PLL
clk: at91: clk-master: fix prescaler logic
clk: at91: clk-master: mask mckr against layout->mask
clk: at91: clk-master: check if div or pres is zero
clk: at91: sam9x60-pll: use DIV_ROUND_CLOSEST_ULL
clk: at91: pmc: add sama7g5 to the list of available pmcs
clk: at91: clk-master: improve readability by using local variables
clk: at91: clk-master: add register definition for sama7g5's master clock
clk: at91: sama7g5: add securam's peripheral clock
clk: at91: pmc: execute suspend/resume only for backup mode
clk: at91: re-factor clocks suspend/resume
clk: ux500: Add driver for the reset portions of PRCC
dt-bindings: clock: u8500: Rewrite in YAML and extend
clk: composite: Use rate_ops.determine_rate when also a mux is available
clk: samsung: describe drivers in Kconfig
clk: samsung: exynos5433: update apollo and atlas clock probing
...
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM defconfig updates from Arnd Bergmann:
"These are the usual changes to enable newly added driver by default,
and to do some housekeeping around changing Kconfig symbols"
* tag 'defconfig-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (33 commits)
arm64: defconfig: Enable Qualcomm LMH driver
arm64: defconfig: Enable Qualcomm prima/pronto drivers
arm64: defconfig: Enable Sleep stats driver
arm64: defconfig: Visconti: Enable PCIe host controller
ARM: configs: aspeed: Remove unused USB gadget devices
ARM: config: aspeed: Enable Network Block Device
ARM: configs: aspeed: Enable pstore and lockup detectors
ARM: configs: aspeed: Enable commonly used drivers
ARM: configs: aspeed: Disable IPV6 SIT device
ARM: imx_v6_v7_defconfig: Enable HID I2C
arm64: defconfig: Enable QTI SC7280 pinctrl, gcc and interconnect
arm64: defconfig: Disable firmware sysfs fallback
ARM: mvebu_v7_defconfig: rebuild default configuration
ARM: mvebu_v7_defconfig: enable mtd physmap
arm64: defconfig: Enable few Tegra210 based AHUB drivers
arm64: defconfig: drop obsolete ARCH_* configs
ARM: imx_v6_v7_defconfig: enable bpf syscall and cgroup bpf
ARM: imx_v6_v7_defconfig: build imx sdma driver as module
ARM: imx_v6_v7_defconfig: rebuild default configuration
ARM: imx_v6_v7_defconfig: change snd soc tlv320aic3x to i2c variant
...
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC driver updates from Arnd Bergmann:
"These are all the driver updates for SoC specific drivers. There are a
couple of subsystems with individual maintainers picking up their
patches here:
- The reset controller subsystem add support for a few new SoC
variants to existing drivers, along with other minor improvements
- The OP-TEE subsystem gets a driver for the ARM FF-A transport
- The memory controller subsystem has improvements for Tegra,
Mediatek, Renesas, Freescale and Broadcom specific drivers.
- The tegra cpuidle driver changes get merged through this tree this
time. There are only minor changes, but they depend on other tegra
driver updates here.
- The ep93xx platform finally moves to using the drivers/clk/
subsystem, moving the code out of arch/arm in the process. This
depends on a small sound driver change that is included here as
well.
- There are some minor updates for Qualcomm and Tegra specific
firmware drivers.
The other driver updates are mainly for drivers/soc, which contains a
mixture of vendor specific drivers that don't really fit elsewhere:
- Mediatek drivers gain more support for MT8192, with new support for
hw-mutex and mmsys routing, plus support for reset lines in the
mmsys driver.
- Qualcomm gains a new "sleep stats" driver, and support for the
"Generic Packet Router" in the APR driver.
- There is a new user interface for routing the UARTS on ASpeed BMCs,
something that apparently nobody else has needed so far.
- More drivers can now be built as loadable modules, in particular
for Broadcom and Samsung platforms.
- Lots of improvements to the TI sysc driver for better
suspend/resume support"
Finally, there are lots of minor cleanups and new device IDs for
amlogic, renesas, tegra, qualcomm, mediateka, samsung, imx,
layerscape, allwinner, broadcom, and omap"
* tag 'drivers-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (179 commits)
optee: Fix spelling mistake "reclain" -> "reclaim"
Revert "firmware: qcom: scm: Add support for MC boot address API"
qcom: spm: allow compile-testing
firmware: arm_ffa: Remove unused 'compat_version' variable
soc: samsung: exynos-chipid: add exynosautov9 SoC support
firmware: qcom: scm: Don't break compile test on non-ARM platforms
soc: qcom: smp2p: Add of_node_put() before goto
soc: qcom: apr: Add of_node_put() before return
soc: qcom: qcom_stats: Fix client votes offset
soc: qcom: rpmhpd: fix sm8350_mxc's peer domain
dt-bindings: arm: cpus: Document qcom,msm8916-smp enable-method
ARM: qcom: Add qcom,msm8916-smp enable-method identical to MSM8226
firmware: qcom: scm: Add support for MC boot address API
soc: qcom: spm: Add 8916 SPM register data
dt-bindings: soc: qcom: spm: Document qcom,msm8916-saw2-v3.0-cpu
soc: qcom: socinfo: Add PM8150C and SMB2351 models
firmware: qcom_scm: Fix error retval in __qcom_scm_is_call_available()
soc: aspeed: Add UART routing support
soc: fsl: dpio: rename the enqueue descriptor variable
soc: fsl: dpio: use an explicit NULL instead of 0
...
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Pull ARM SoC DT updates from Arnd Bergmann:
"This is a rather large update for the ARM devicetree files, after a
few quieter releases, with 775 total commits and 47 branches pulled
into this one.
There are 5 new SoC types plus some minor variations, and a total of
60 new machines, so I'm limiting the summary to the main noteworthy
items:
- Apple M1 gain support for PCI and pinctrl, getting a bit closer to
a usable system out of the box.
- Qualcomm gains support for Snapdragon 690 (aka SM6350) as well as
SM7225, 11 new smartphones, and three additional Chromebooks, and
improvements all over the place.
- Samsung gains support for ExynosAutov9, an automotive version of
their smartphone SoC, but otherwise no major changes.
- Microchip adds the SAMA5D29 SoC in the SAMA5 family, and a number
of improvements for the recently added SAMA7 family. The LAN966 SoC
that was added in the platform code does not have dts files yet.
Two board files are added for the older at91sam9g20 SoC
- Aspeed supports two additional server boards using their AST2600 as
BMC, and improves support for qemu models
- Rockchip RK3566/RK3688 gets added, along with six new development
boards using RK3328/RK3399/RK3566, and one Chromebook tablet.
- Two NAS boxes are added using the ARMv4 based Gemini platform
- One new board is added to the Intel Arria SoC FPGA family
- Marvell adds one network switch based on Armada 381 and the new
MOCHAbin 7040 development board
- NXP adds support for the S32G2 automotive SoC, two imx6 based ebook
readers, and three additional development boards, which is notably
less than their usual additions, but they also gain improvements to
their many existing boards
- STmicroelectronics adds their stm32mp13 SoC family along with a
reference board
- Renesas adds new versions of their R-Car Gen3 SoCs and many updates
for their older generations
- Broadcom adds support for a number of Cisco Meraki wireless
controllers, along with two new boards and other updates for
BCM53xx/BCM47xx networking SoCs and the Raspberry Pi boards
- Mediatek improves support for the MT81xx SoCs used in Chromebooks
as well as the MT76xx networking SoCs
- NVIDIA adds a number of cleanups and additional support for more
hardware on the already supported machines
- TI K3 adds support for three new boards along with cleanups
- Toshiba adds one board for the Visconti family
- Xilinx adds five new ZynqMP based machines
- Amlogic support is added for the Radxa Zero and two Jethub home
automation controllers, along with changes to other machines
- Rob Herring continues his work on fixing dtc warnings all over the
tree.
- Minor updates for TI OMAP, Mstar, Allwinner/sunxi, Hisilicon,
Ux500, Unisoc"
* tag 'dt-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (720 commits)
arm64: dts: apple: j274: Expose PCI node for the Ethernet MAC address
arm64: dts: apple: t8103: Add root port interrupt routing
arm64: dts: apple: t8103: Add PCIe DARTs
arm64: apple: Add PCIe node
arm64: apple: Add pinctrl nodes
ARM: dts: arm: Update ICST clock nodes 'reg' and node names
ARM: dts: arm: Update register-bit-led nodes 'reg' and node names
arm64: dts: exynos: add chipid node for exynosautov9 SoC
ARM: dts: qcom: fix typo in IPQ8064 thermal-sensor node
Revert "arm64: dts: qcom: msm8916-asus-z00l: Add sensors"
arm64: dts: qcom: ipq6018: Remove unused 'iface_clk' property from dma-controller node
arm64: dts: qcom: ipq6018: Remove unused 'qcom,config-pipe-trust-reg' property
arm64: dts: qcom: sm8350: Add CPU topology and idle-states
arm64: dts: qcom: Drop unneeded extra device-specific includes
arm64: dts: qcom: msm8916: Drop standalone smem node
arm64: dts: qcom: Fix node name of rpm-msg-ram device nodes
arm64: dts: qcom: msm8916-asus-z00l: Add sensors
arm64: dts: qcom: msm8916-asus-z00l: Add SDCard
arm64: dts: qcom: msm8916-asus-z00l: Add touchscreen
arm64: dts: qcom: sdm845-oneplus: remove devinfo-size from ramoops node
...
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Pull ARM SoC updates from Arnd Bergmann:
"The SoC updates this time are mainly removing obsolete code from the
OMAP2 platform, another step in the eternal cleanup of that platform.
There are two new SoCs getting added: STMicroelectronics stm32mp13 and
Microchip lan966. Both fit into existing platforms and require minimal
changes here.
A couple of MAINTAINER file updates relate to those changes, and
update some file paths"
* tag 'soc-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (28 commits)
MAINTAINERS: Update BCM7XXX entry with additional patterns
MAINTAINERS: add pinctrl-apple-gpio to ARM/APPLE MACHINE
MAINTAINERS: Add pasemi i2c to ARM/APPLE MACHINE
ARM: SPEAr: Update MAINTAINERS entries
ARM: OMAP2+: Drop unused CM defines for am3
ARM: OMAP2+: Drop unused CM and SCRM defines for omap4
ARM: OMAP2+: Drop unused CM and SCRM defines for omap5
ARM: OMAP2+: Drop unused CM defines for dra7
ARM: OMAP2+: Drop unused PRM defines for am3
ARM: OMAP2+: Drop unused PRM defines for am4
ARM: OMAP2+: Drop unused PRM defines for omap4
ARM: OMAP2+: Drop unused PRM defines for omap5
ARM: OMAP2+: Drop unused PRM defines for dra7
ARM: OMAP2+: Fix comment typo
ARM: OMAP2+: Fix typo in some comments
ARM: at91: add basic support for new SoC family lan966
dt-bindings: arm: at91: Document lan966 pcb8291 and pcb8290 boards
ARM: at91: Documentation: add lan966 family
ARM: at91: Documentation: add sama7g5 family
MAINTAINERS: add an entry for NXP S32G boards
...
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Pull virtio updates from Michael Tsirkin:
"vhost and virtio fixes and features:
- Hardening work by Jason
- vdpa driver for Alibaba ENI
- Performance tweaks for virtio blk
- virtio rng rework using an internal buffer
- mac/mtu programming for mlx5 vdpa
- Misc fixes, cleanups"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (45 commits)
vdpa/mlx5: Forward only packets with allowed MAC address
vdpa/mlx5: Support configuration of MAC
vdpa/mlx5: Fix clearing of VIRTIO_NET_F_MAC feature bit
vdpa_sim_net: Enable user to set mac address and mtu
vdpa: Enable user to set mac and mtu of vdpa device
vdpa: Use kernel coding style for structure comments
vdpa: Introduce query of device config layout
vdpa: Introduce and use vdpa device get, set config helpers
virtio-scsi: don't let virtio core to validate used buffer length
virtio-blk: don't let virtio core to validate used length
virtio-net: don't let virtio core to validate used length
virtio_ring: validate used buffer length
virtio_blk: correct types for status handling
virtio_blk: allow 0 as num_request_queues
i2c: virtio: Add support for zero-length requests
virtio-blk: fixup coccinelle warnings
virtio_ring: fix typos in vring_desc_extra
virtio-pci: harden INTX interrupts
virtio_pci: harden MSI-X interrupts
virtio_config: introduce a new .enable_cbs method
...
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When cdns_plat_pcie_probe() succeeds, return success instead of falling
into the error handling code.
Fixes: bd22885aa188 ("PCI: cadence: Refactor driver to use as a core library")
Link: https://lore.kernel.org/r/DM6PR19MB40271B93057D949310F0B0EDA0BF9@DM6PR19MB4027.namprd19.prod.outlook.com
Signed-off-by: Xuliang Zhang <xlzhanga@ambarella.com>
Signed-off-by: Li Chen <lchen@ambarella.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: stable@vger.kernel.org
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Pull VFIO updates from Alex Williamson:
- Cleanup vfio iommu_group creation (Christoph Hellwig)
- Add individual device reset for vfio/fsl-mc (Diana Craciun)
- IGD OpRegion 2.0+ support (Colin Xu)
- Use modern cdev lifecycle for vfio_group (Jason Gunthorpe)
- Use new mdev API in vfio_ccw (Jason Gunthorpe)
* tag 'vfio-v5.16-rc1' of git://github.com/awilliam/linux-vfio: (27 commits)
vfio/ccw: Convert to use vfio_register_emulated_iommu_dev()
vfio/ccw: Pass vfio_ccw_private not mdev_device to various functions
vfio/ccw: Use functions for alloc/free of the vfio_ccw_private
vfio/ccw: Remove unneeded GFP_DMA
vfio: Use cdev_device_add() instead of device_create()
vfio: Use a refcount_t instead of a kref in the vfio_group
vfio: Don't leak a group reference if the group already exists
vfio: Do not open code the group list search in vfio_create_group()
vfio: Delete vfio_get/put_group from vfio_iommu_group_notifier()
vfio/pci: Add OpRegion 2.0+ Extended VBT support.
vfio/iommu_type1: remove IS_IOMMU_CAP_DOMAIN_IN_CONTAINER
vfio/iommu_type1: remove the "external" domain
vfio/iommu_type1: initialize pgsize_bitmap in ->open
vfio/spapr_tce: reject mediated devices
vfio: clean up the check for mediated device in vfio_iommu_type1
vfio: remove the unused mdev iommu hook
vfio: move the vfio_iommu_driver_ops interface out of <linux/vfio.h>
vfio: remove unused method from vfio_iommu_driver_ops
vfio: simplify iommu group allocation for mediated devices
vfio: remove the iommudata hack for noiommu groups
...
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del_gendisk() should not called if the disk has not been added. Fix this.
Fixes: 41cd8b70c37a ("libnvdimm, btt: add support for blk integrity")
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Link: https://lore.kernel.org/r/20211103165843.1402142-1-mcgrof@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
Pull per signal_struct coredumps from Eric Biederman:
"Current coredumps are mixed up with the exit code, the signal handling
code, and the ptrace code making coredumps much more complicated than
necessary and difficult to follow.
This series of changes starts with ptrace_stop and cleans it up,
making it easier to follow what is happening in ptrace_stop. Then
cleans up the exec interactions with coredumps. Then cleans up the
coredump interactions with exit. Finally the coredump interactions
with the signal handling code is cleaned up.
The first and last changes are bug fixes for minor bugs.
I believe the fact that vfork followed by execve can kill the process
the called vfork if exec fails is sufficient justification to change
the userspace visible behavior.
In previous discussions some of these changes were organized
differently and individually appeared to make the code base worse. As
currently written I believe they all stand on their own as cleanups
and bug fixes.
Which means that even if the worst should happen and the last change
needs to be reverted for some unimaginable reason, the code base will
still be improved.
If the worst does not happen there are a more cleanups that can be
made. Signals that generate coredumps can easily become eligible for
short circuit delivery in complete_signal. The entire rendezvous for
generating a coredump can move into get_signal. The function
force_sig_info_to_task be written in a way that does not modify the
signal handling state of the target task (because coredumps are
eligible for short circuit delivery). Many of these future cleanups
can be done another way but nothing so cleanly as if coredumps become
per signal_struct"
* 'per_signal_struct_coredumps-for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
coredump: Limit coredumps to a single thread group
coredump: Don't perform any cleanups before dumping core
exit: Factor coredump_exit_mm out of exit_mm
exec: Check for a pending fatal signal instead of core_state
ptrace: Remove the unnecessary arguments from arch_ptrace_stop
signal: Remove the bogus sigkill_pending in ptrace_stop
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If an error occurs after a successful cdns_pcie_init_phy() call, it must be
undone by a cdns_pcie_disable_phy() call, as already done above and below.
Update the goto to branch at the correct place of the error handling path.
Link: https://lore.kernel.org/r/db477b0cb444891a17c4bb424467667dc30d0bab.1624794264.git.christophe.jaillet@wanadoo.fr
Fixes: 49e0efdce791 ("PCI: j721e: Add support to provide refclk to PCIe connector")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Krzysztof Wilczyński <kw@linux.com>
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When building m68k:allmodconfig, recent versions of gcc generate the
following error if the length of UTS_RELEASE is less than 8 bytes.
In function 'memcpy_and_pad',
inlined from 'nvmet_execute_disc_identify' at
drivers/nvme/target/discovery.c:268:2: arch/m68k/include/asm/string.h:72:25: error:
'__builtin_memcpy' reading 8 bytes from a region of size 7
Discussions around the problem suggest that this only happens if an
architecture does not provide strlen(), if -ffreestanding is provided as
compiler option, and if CONFIG_FORTIFY_SOURCE=n. All of this is the case
for m68k. The exact reasons are unknown, but seem to be related to the
ability of the compiler to evaluate the return value of strlen() and
the resulting execution flow in memcpy_and_pad(). It would be possible
to work around the problem by using sizeof(UTS_RELEASE) instead of
strlen(UTS_RELEASE), but that would only postpone the problem until the
function is called in a similar way. Uninline memcpy_and_pad() instead
to solve the problem for good.
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Currently kdb contains some open-coded routines to generate a summary
character for each task. This code currently issues warnings, is
almost certainly broken and won't make sense to any kernel dev who
has ever used /proc to examine task states.
Fix both the warning and the potential for confusion by adopting the
scheduler's task classification. Whilst doing this we also simplify the
filtering by using mask strings directly (which means we don't have to
guess all the characters the scheduler might give us).
Unfortunately we can't quite match the scheduler classification completely.
We add four extra states: - for idle loops and i, m and s for sleeping
system daemons (which means kthreads in one of the I, M and S states).
These extra states are used to manage the filters for tools to make the
output of ps and bta less noisy.
Note: The Fixes below is the last point the original dubious code was
moved; it was not introduced by that patch. However it gives us
the last point to which this patch can be easily backported.
Happily that should be enough to cover the introduction of
CONFIG_WERROR!
Fixes: 2f064a59a11f ("sched: Change task_struct::state")
Link: https://lore.kernel.org/r/20211102173158.3315227-1-daniel.thompson@linaro.org
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
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Properly document why changing PCI Class Code for GT64111 device to Host
Bridge is required as important details were after 20 years forgotten.
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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Pull jfs fix from David Kleikamp:
"Just one JFS patch"
* tag 'jfs-5.16' of git://github.com/kleikamp/linux-shaggy:
JFS: fix memleak in jfs_mount
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull more tracing updates from Steven Rostedt:
- osnoise and timerlat updates that will work with the RTLA tool
(Real-Time Linux Analysis).
Specifically it disconnects the work load (threads that look for
latency) from the tracing instances attached to them, allowing for
more than one instance to retrieve data from the work load.
- Optimization on division in the trace histogram trigger code to use
shift and multiply when possible. Also added documentation.
- Fix prototype to my_direct_func in direct ftrace trampoline sample
code.
* tag 'trace-v5.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
ftrace/samples: Add missing prototype for my_direct_func
tracing/selftests: Add tests for hist trigger expression parsing
tracing/histogram: Document hist trigger variables
tracing/histogram: Update division by 0 documentation
tracing/histogram: Optimize division by constants
tracing/osnoise: Remove PREEMPT_RT ifdefs from inside functions
tracing/osnoise: Remove STACKTRACE ifdefs from inside functions
tracing/osnoise: Allow multiple instances of the same tracer
tracing/osnoise: Remove TIMERLAT ifdefs from inside functions
tracing/osnoise: Support a list of trace_array *tr
tracing/osnoise: Use start/stop_per_cpu_kthreads() on osnoise_cpus_write()
tracing/osnoise: Split workload start from the tracer start
tracing/osnoise: Improve comments about barrier need for NMI callbacks
tracing/osnoise: Do not follow tracing_cpumask
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Broadcom STB systems use the bcm7038 pattern as well as the bcm7120
pattern for some of its drivers, add those to the existing entry.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20211028163756.4014059-1-f.fainelli@gmail.com'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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In case of shared tags and none io sched, batched completion still may
be run into, and hctx->nr_active is accounted when getting driver tag,
so it has to be updated in blk_mq_end_request_batch().
Otherwise, hctx->nr_active may become same with queue depth, then
hctx_may_queue() always return false, then io hang is caused.
Fixes the issue by updating the counter in batched way.
Reported-by: Shinichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Fixes: f794f3351f26 ("block: add support for blk_mq_end_request_batch()")
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20211102153619.3627505-4-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Looks it is missed so add it.
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20211102133502.3619184-3-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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It is obvious that io merge can't be done between two different queues, so
just try to run io merge in case of same queue.
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20211102133502.3619184-2-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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It's not safe to do this before blk_queue_enter(), as the scheduler state
could have changed in between. Hence move the RQF_ELV setting into the
allocators, where we know the queue is already entered.
Suggested-by: Ming Lei <ming.lei@redhat.com>
Reported-by: Yi Zhang <yi.zhang@redhat.com>
Reported-by: Steffen Maier <maier@linux.ibm.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Pull rdma updates from Jason Gunthorpe:
"A typical collection of patches this cycle, mostly fixing with a few
new features:
- Fixes from static tools. clang warnings, dead code, unused
variable, coccinelle sweeps, etc
- Driver bug fixes and minor improvements in rxe, bnxt_re, hfi1,
mlx5, irdma, qedr
- rtrs ULP bug fixes an improvments
- Additional counters for bnxt_re
- Support verbs CQ notifications in EFA
- Continued reworking and fixing of rxe
- netlink control to enable/disable optional device counters
- rxe now can use AH objects for its UD path, fixing various bugs in
the process
- Add DMABUF support to EFA"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (103 commits)
RDMA/core: Require the driver to set the IOVA correctly during rereg_mr
RDMA/bnxt_re: Remove unsupported bnxt_re_modify_ah callback
RDMA/irdma: optimize rx path by removing unnecessary copy
RDMA/qed: Use helper function to set GUIDs
RDMA/hns: Use the core code to manage the fixed mmap entries
IB/opa_vnic: Rebranding of OPA VNIC driver to Cornelis Networks
IB/qib: Rebranding of qib driver to Cornelis Networks
IB/hfi1: Rebranding of hfi1 driver to Cornelis Networks
RDMA/bnxt_re: Use helper function to set GUIDs
RDMA/bnxt_re: Fix kernel panic when trying to access bnxt_re_stat_descs
RDMA/qedr: Fix NULL deref for query_qp on the GSI QP
RDMA/hns: Modify the value of MAX_LP_MSG_LEN to meet hardware compatibility
RDMA/hns: Fix initial arm_st of CQ
RDMA/rxe: Make rxe_type_info static const
RDMA/rxe: Use 'bitmap_zalloc()' when applicable
RDMA/rxe: Save a few bytes from struct rxe_pool
RDMA/irdma: Remove the unused variable local_qp
RDMA/core: Fix missed initialization of rdma_hw_stats::lock
RDMA/efa: Add support for dmabuf memory regions
RDMA/umem: Allow pinned dmabuf umem usage
...
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