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We need to copy the io priority, too; otherwise the clone will run
with a different priority than the original one.
Fixes: 43b62ce3ff0a ("block: move bio io prio to a new field")
Signed-off-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Fixed up subject, and ordered stores.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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When copying to the latency type, we should be passing LATENCY_TYPE_LEN,
not DOMAIN_LEN (this isn't a problem in practice because we only pass
"total" or "I/O"). Fix it by changing all of the strlcpy() calls to use
sizeof().
Fixes: 6c3b7af1c975 ("kyber: add tracepoints")
Reported-by: Jordan Glover <Golden_Miller83@protonmail.ch>
Tested-by: Jordan Glover <Golden_Miller83@protonmail.ch>
Signed-off-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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LKP recently reported a hang at bootup in the floppy code:
[ 245.678853] INFO: task mount:580 blocked for more than 120 seconds.
[ 245.679906] Tainted: G T 4.19.0-rc6-00172-ga9f38e1 #1
[ 245.680959] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 245.682181] mount D 6372 580 1 0x00000004
[ 245.683023] Call Trace:
[ 245.683425] __schedule+0x2df/0x570
[ 245.683975] schedule+0x2d/0x80
[ 245.684476] schedule_timeout+0x19d/0x330
[ 245.685090] ? wait_for_common+0xa5/0x170
[ 245.685735] wait_for_common+0xac/0x170
[ 245.686339] ? do_sched_yield+0x90/0x90
[ 245.686935] wait_for_completion+0x12/0x20
[ 245.687571] __floppy_read_block_0+0xfb/0x150
[ 245.688244] ? floppy_resume+0x40/0x40
[ 245.688844] floppy_revalidate+0x20f/0x240
[ 245.689486] check_disk_change+0x43/0x60
[ 245.690087] floppy_open+0x1ea/0x360
[ 245.690653] __blkdev_get+0xb4/0x4d0
[ 245.691212] ? blkdev_get+0x1db/0x370
[ 245.691777] blkdev_get+0x1f3/0x370
[ 245.692351] ? path_put+0x15/0x20
[ 245.692871] ? lookup_bdev+0x4b/0x90
[ 245.693539] blkdev_get_by_path+0x3d/0x80
[ 245.694165] mount_bdev+0x2a/0x190
[ 245.694695] squashfs_mount+0x10/0x20
[ 245.695271] ? squashfs_alloc_inode+0x30/0x30
[ 245.695960] mount_fs+0xf/0x90
[ 245.696451] vfs_kern_mount+0x43/0x130
[ 245.697036] do_mount+0x187/0xc40
[ 245.697563] ? memdup_user+0x28/0x50
[ 245.698124] ksys_mount+0x60/0xc0
[ 245.698639] sys_mount+0x19/0x20
[ 245.699167] do_int80_syscall_32+0x61/0x130
[ 245.699813] entry_INT80_32+0xc7/0xc7
showing that we never complete that read request. The reason is that
the completion setup is racy - it initializes the completion event
AFTER submitting the IO, which means that the IO could complete
before/during the init. If it does, we are passing garbage to
complete() and we may sleep forever waiting for the event to
occur.
Fixes: 7b7b68bba5ef ("floppy: bail out in open() if drive is not responding to block0 read")
Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Pull block layer fixes from Jens Axboe:
- Two fixes for an ubd regression, one for missing locking, and one for
a missing initialization of a field. The latter was an old latent
bug, but it's now visible and triggers (Me, Anton Ivanov)
- Set of NVMe fixes via Christoph, but applied manually due to a git
tree mixup (Christoph, Sagi)
- Fix for a discard split regression, in three patches (Ming)
- Update libata git trees (Geert)
- SPDX identifier for sata_rcar (Kuninori Morimoto)
- Virtual boundary merge fix (Johannes)
- Preemptively clear memory we are going to pass to userspace, in case
the driver does a short read (Keith)
* tag 'for-linus-20181109' of git://git.kernel.dk/linux-block:
block: make sure writesame bio is aligned with logical block size
block: cleanup __blkdev_issue_discard()
block: make sure discard bio is aligned with logical block size
Revert "nvmet-rdma: use a private workqueue for delete"
nvme: make sure ns head inherits underlying device limits
nvmet: don't try to add ns to p2p map unless it actually uses it
sata_rcar: convert to SPDX identifiers
ubd: fix missing initialization of io_req
block: Clear kernel memory before copying to user
MAINTAINERS: Fix remaining pointers to obsolete libata.git
ubd: fix missing lock around request issue
block: respect virtual boundary mask in bvecs
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Pull Ceph fixes from Ilya Dryomov:
"Two CephFS fixes (copy_file_range and quota) and a small feature bit
cleanup"
* tag 'ceph-for-4.20-rc2' of https://github.com/ceph/ceph-client:
libceph: assume argonaut on the server side
ceph: quota: fix null pointer dereference in quota check
ceph: add destination file data sync before doing any remote copy
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git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS fixes from Paul Burton:
"A couple of small MIPS fixes for 4.20:
- Extend an array to avoid overruns on some Octeon hardware, fixing a
bug introduced in 4.3.
- Fix a coherent DMA regression for systems without cache-coherent
DMA introduced in the 4.20 merge window"
* tag 'mips_fixes_4.20_2' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
MIPS: Fix `dma_alloc_coherent' returning a non-coherent allocation
MIPS: OCTEON: fix out of bounds array access on CN68XX
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Obviously the created writesame bio has to be aligned with logical block
size, and use bio_allowed_max_sectors() to retrieve this number.
Cc: stable@vger.kernel.org
Cc: Mike Snitzer <snitzer@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Xiao Ni <xni@redhat.com>
Cc: Mariusz Dabrowski <mariusz.dabrowski@intel.com>
Fixes: b49a0871be31a745b2ef ("block: remove split code in blkdev_issue_{discard,write_same}")
Tested-by: Rui Salvaterra <rsalvaterra@gmail.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Cleanup __blkdev_issue_discard() a bit:
- remove local variable of 'end_sect'
- remove code block of 'fail'
Cc: Mike Snitzer <snitzer@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Xiao Ni <xni@redhat.com>
Cc: Mariusz Dabrowski <mariusz.dabrowski@intel.com>
Tested-by: Rui Salvaterra <rsalvaterra@gmail.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Obviously the created discard bio has to be aligned with logical block size.
This patch introduces the helper of bio_allowed_max_sectors() for
this purpose.
Cc: stable@vger.kernel.org
Cc: Mike Snitzer <snitzer@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Xiao Ni <xni@redhat.com>
Cc: Mariusz Dabrowski <mariusz.dabrowski@intel.com>
Fixes: 744889b7cbb56a6 ("block: don't deal with discard limit in blkdev_issue_discard()")
Fixes: a22c4d7e34402cc ("block: re-add discard_granularity and alignment checks")
Reported-by: Rui Salvaterra <rsalvaterra@gmail.com>
Tested-by: Rui Salvaterra <rsalvaterra@gmail.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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This reverts commit 2acf70ade79d26b97611a8df52eb22aa33814cd4.
The commit never really fixed the intended issue and caused all
kinds of other issues, including a use before initialization.
Suggested-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Whenever we update ns_head info, we need to make sure it is still
compatible with all underlying backing devices because although nvme
multipath doesn't have any explicit use of these limits, other devices
can still be stacked on top of it which may rely on the underlying limits.
Start with unlimited stacking limits, and every info update iterate over
siblings and adjust queue limits.
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Even without CONFIG_P2PDMA this results in a error print:
nvmet: no peer-to-peer memory is available that's supported by rxe0 and /dev/nullb0
Fixes: c6925093d0b2 ("nvmet: Optionally use PCI P2P memory")
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Martin Schwidefsky:
- A fix for the pgtable_bytes misaccounting on s390. The patch changes
common code part in regard to page table folding and adds extra
checks to mm_[inc|dec]_nr_[pmds|puds].
- Add FORCE for all build targets using if_changed
- Use non-loadable phdr for the .vmlinux.info section to avoid a
segment overlap that confuses kexec
- Cleanup the attribute definition for the diagnostic sampling
- Increase stack size for CONFIG_KASAN=y builds
- Export __node_distance to fix a build error
- Correct return code of a PMU event init function
- An update for the default configs
* tag 's390-4.20-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/perf: Change CPUM_CF return code in event init function
s390: update defconfigs
s390/mm: Fix ERROR: "__node_distance" undefined!
s390/kasan: increase instrumented stack size to 64k
s390/cpum_sf: Rework attribute definition for diagnostic sampling
s390/mm: fix mis-accounting of pgtable_bytes
mm: add mm_pxd_folded checks to pgtable_bytes accounting functions
mm: introduce mm_[p4d|pud|pmd]_folded
mm: make the __PAGETABLE_PxD_FOLDED defines non-empty
s390: avoid vmlinux segments overlap
s390/vdso: add missing FORCE to build targets
s390/decompressor: add missing FORCE to build targets
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Pull xfs fixes from Darrick Wong:
- fix incorrect dropping of error code from bmap
- print buffer offsets instead of useless hashed pointers when dumping
corrupt metadata
- fix integer overflow in attribute verifier
* tag 'xfs-4.20-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: fix overflow in xfs_attr3_leaf_verify
xfs: print buffer offsets when dumping corrupt buffers
xfs: Fix error code in 'xfs_ioc_getbmap()'
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git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds
Pull LED fixes from Jacek Anaszewski:
"All three fixes are related to the newly added pattern trigger:
- remove mutex_lock() from timer callback, which would trigger
problems related to sleeping in atomic context, the removal is
harmless since mutex protection turned out to be redundant in this
case
- fix pattern parsing to properly handle intervals with brightness == 0
- fix typos in the ABI documentation"
* tag 'led-fixes-for-4.20-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds:
Documentation: ABI: led-trigger-pattern: Fix typos
leds: trigger: Fix sleeping function called from invalid context
Fix pattern handling optimalization
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Two small regression fixes for HD-audio: one about vga_switcheroo and
runtime PM, and another about Oops on some Thinkpads"
* tag 'sound-4.20-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda - Fix incorrect clearance of thinkpad_acpi hooks
vga_switcheroo: Fix missing gpu_bound call at audio client registration
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No one is running pre-argonaut. In addition one of the argonaut
features (NOSRCADDR) has been required since day one (and a half,
2.6.34 vs 2.6.35) of the kernel client.
Allow for the possibility of reusing these feature bits later.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Sage Weil <sage@redhat.com>
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This patch fixes a possible null pointer dereference in
check_quota_exceeded, detected by the static checker smatch, with the
following warning:
fs/ceph/quota.c:240 check_quota_exceeded()
error: we previously assumed 'realm' could be null (see line 188)
Fixes: b7a2921765cf ("ceph: quota: support for ceph.quota.max_files")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Luis Henriques <lhenriques@suse.com>
Reviewed-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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If we try to copy into a file that was just written, any data that is
remote copied will be overwritten by our buffered writes once they are
flushed. When this happens, the call to invalidate_inode_pages2_range
will also return a -EBUSY error.
This patch fixes this by also sync'ing the destination file before
starting any copy.
Fixes: 503f82a9932d ("ceph: support copy_file_range file operation")
Signed-off-by: Luis Henriques <lhenriques@suse.com>
Reviewed-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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This patch updates license to use SPDX-License-Identifier
instead of verbose license text.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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The SYNC path doesn't initialize io_req->error, which can cause
random errors. Before the conversion to blk-mq, we always
completed requests with BLK_STS_OK status, but now we actually
look at the error field and this issue becomes apparent.
Signed-off-by: Anton Ivanov <anton.ivanov@cambridgegreys.com>
[axboe: fixed up commit message to explain what is actually going on]
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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https://github.com/ojeda/linux
Pull compiler attribute fixlets from Miguel Ojeda:
"Small improvements to Compiler Attributes:
- Define asm_volatile_goto for non-gcc compilers (Nick Desaulniers)
- Improve the explanation of compiler_attributes.h"
* tag 'compiler-attributes-for-linus-v4.20-rc2' of https://github.com/ojeda/linux:
Compiler Attributes: improve explanation of header
include/linux/compiler*.h: define asm_volatile_goto
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Pull MTD fixes from Boris Brezillon:
"MTD changes:
- Kill a VLA in sa1100
SPI NOR changes:
- Make sure ->addr_width is restored when SFDP parsing fails
- Propate errors happening in cqspi_direct_read_execute()
NAND changes:
- Fix kernel-doc mismatch
- Fix nanddev_neraseblocks() to return the correct value
- Avoid selection of BCH_CONST_PARAMS when some users require dynamic
BCH settings"
* tag 'mtd/fixes-for-4.20-rc2' of git://git.infradead.org/linux-mtd:
mtd: nand: Fix nanddev_pos_next_page() kernel-doc header
mtd: sa1100: avoid VLA in sa1100_setup_mtd
mtd: spi-nor: Reset nor->addr_width when SFDP parsing failed
mtd: spi-nor: cadence-quadspi: Return error code in cqspi_direct_read_execute()
mtd: nand: Fix nanddev_neraseblocks()
mtd: nand: drop kernel-doc notation for a deleted function parameter
mtd: docg3: don't set conflicting BCH_CONST_PARAMS option
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Explain better what "optional" attributes are, and avoid calling
them so to avoid confusion. Simply retain "Optional" as a word
to look for in the comments.
Moreover, add a couple sentences to explain a bit more the intention
and the documentation links.
Signed-off-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
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The function perf_init_event() creates a new event and
assignes it to a PMU. This a done in a loop over all existing
PMUs. For each listed PMU the event init function is called
and if this function does return any other error than -ENOENT,
the loop is terminated the creation of the event fails.
If the event is invalid, return -ENOENT to try other PMUs.
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Reviewed-by: Hendrik Brueckner <brueckner@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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If the kernel allocates a bounce buffer for user read data, this memory
needs to be cleared before copying it to the user, otherwise it may leak
kernel memory to user space.
Laurence Oberman <loberman@redhat.com>
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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libata.git no longer exists. Replace the remaining pointers to it by
pointers to the block tree, which is where all libata development
happens now.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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We need to hold the device lock (and disable interrupts) while
writing new commands, or we could be interrupted while that
is happening and read invalid requests in the completion path.
Fixes: 4e6da0fe8058 ("um: Convert ubd driver to blk-mq")
Tested-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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- Spelling s/brigntess/brightness/,
- Double "use".
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
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We will meet below issue due to mutex_lock() is called in interrupt context.
The mutex lock is used to protect the pattern trigger data, but before changing
new pattern trigger data (pattern values or repeat value) by users, we always
cancel the timer firstly to clear previous patterns' performance. That means
there is no race in pattern_trig_timer_function(), so we can drop the mutex
lock in pattern_trig_timer_function() to avoid this issue.
Moreover we can move the timer cancelling into mutex protection, since there
is no deadlock risk if we remove the mutex lock in pattern_trig_timer_function().
BUG: sleeping function called from invalid context at kernel/locking/mutex.c:254
in_atomic(): 1, irqs_disabled(): 0, pid: 0, name: swapper/1
CPU: 1 PID: 0 Comm: swapper/1 Not tainted
4.20.0-rc1-koelsch-00841-ga338c8181013c1a9 #171
Hardware name: Generic R-Car Gen2 (Flattened Device Tree)
[<c020f19c>] (unwind_backtrace) from [<c020aecc>] (show_stack+0x10/0x14)
[<c020aecc>] (show_stack) from [<c07affb8>] (dump_stack+0x7c/0x9c)
[<c07affb8>] (dump_stack) from [<c02417d4>] (___might_sleep+0xf4/0x158)
[<c02417d4>] (___might_sleep) from [<c07c92c4>] (mutex_lock+0x18/0x60)
[<c07c92c4>] (mutex_lock) from [<c067b28c>] (pattern_trig_timer_function+0x1c/0x11c)
[<c067b28c>] (pattern_trig_timer_function) from [<c027f6fc>] (call_timer_fn+0x1c/0x90)
[<c027f6fc>] (call_timer_fn) from [<c027f944>] (expire_timers+0x94/0xa4)
[<c027f944>] (expire_timers) from [<c027fc98>] (run_timer_softirq+0x108/0x15c)
[<c027fc98>] (run_timer_softirq) from [<c02021cc>] (__do_softirq+0x1d4/0x258)
[<c02021cc>] (__do_softirq) from [<c0224d24>] (irq_exit+0x64/0xc4)
[<c0224d24>] (irq_exit) from [<c0268dd0>] (__handle_domain_irq+0x80/0xb4)
[<c0268dd0>] (__handle_domain_irq) from [<c045e1b0>] (gic_handle_irq+0x58/0x90)
[<c045e1b0>] (gic_handle_irq) from [<c02019f8>] (__irq_svc+0x58/0x74)
Exception stack(0xeb483f60 to 0xeb483fa8)
3f60: 00000000 00000000 eb9afaa0 c0217e80 00000000 ffffe000 00000000 c0e06408
3f80: 00000002 c0e0647c c0c6a5f0 00000000 c0e04900 eb483fb0 c0207ea8 c0207e98
3fa0: 60020013 ffffffff
[<c02019f8>] (__irq_svc) from [<c0207e98>] (arch_cpu_idle+0x1c/0x38)
[<c0207e98>] (arch_cpu_idle) from [<c0247ca8>] (do_idle+0x138/0x268)
[<c0247ca8>] (do_idle) from [<c0248050>] (cpu_startup_entry+0x18/0x1c)
[<c0248050>] (cpu_startup_entry) from [<402022ec>] (0x402022ec)
Fixes: 5fd752b6b3a2 ("leds: core: Introduce LED pattern trigger")
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Reported-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
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With drivers that are settting a virtual boundary constrain, we are
seeing a lot of bio splitting and smaller I/Os being submitted to the
driver.
This happens because the bio gap detection code does not account cases
where PAGE_SIZE - 1 is bigger than queue_virt_boundary() and thus will
split the bio unnecessarily.
Cc: Jan Kara <jack@suse.cz>
Cc: Bart Van Assche <bvanassche@acm.org>
Cc: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Acked-by: Keith Busch <keith.busch@intel.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
- Remove bogus __init annotations in ibmpowernv driver
- Fix double-free in error handling of __hwmon_device_register()
* tag 'hwmon-for-v4.20-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (ibmpowernv) Remove bogus __init annotations
hwmon: (core) Fix double-free in __hwmon_device_register()
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"A few more fixes that have come in, and one revert of a previous fix.
I was a bit too trigger happy to enable PREEMPT on multi_v7_defconfig,
and it ended up regressing at least BeagleBone XM boards. While we get
that debugged for next merge window, let's disable it again.
Beyond that:
- Stratix change to fix multicast filtering
- Minor DT fixes for Renesas and i.MX
- Ethernet fix for a Renesas board (switching main interfaces)
- Ethernet phy regulator fix for i.MX6SX"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
arm64: dts: stratix10: fix multicast filtering
ARM: defconfig: Disable PREEMPT again on multi_v7
arm64: dts: renesas: condor: switch from EtherAVB to GEther
dt-bindings: arm: Fix RZ/G2E part number
arm64: dts: renesas: r8a7795: add missing dma-names on hscif2
ARM: dts: imx6sx-sdb: Fix enet phy regulator
ARM: dts: fsl: Fix improperly quoted stdout-path values
ARM: dts: imx6sll: fix typo for fsl,imx6sll-i2c node
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git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID fixes from Jiri Kosina:
- hid.git is moving towards group maintainership (where group is myself
and Benjamin Tissoires), therefore this pull request updates
MAINTAINERS accordingly
- fix for hid-asus config dependency from Arnd Bergmann
- two device-specific quirks for i2c-hid from Julian Sax and Kai-Heng
Feng
- other few small assorted fixes
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
HID: fix up .raw_event() documentation
HID: asus: fix build warning wiht CONFIG_ASUS_WMI disabled
HID: i2c-hid: add Direkt-Tek DTLAPY133-1 to descriptor override
HID: moving to group maintainership model
HID: alps: allow incoming reports when only the trackstick is opened
Revert "HID: add NOGET quirk for Eaton Ellipse MAX UPS"
HID: i2c-hid: Add a small delay after sleep command for Raydium touchpanel
HID: hiddev: fix potential Spectre v1
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git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux into fixes
ARM: dts: stratix10: fix multicast filtering
On Stratix 10, the EMAC has 256 hash buckets for multicast filtering. This
needs to be specified in DTS, otherwise the stmmac driver defaults to 64
buckets and initializes the filter incorrectly. As a result, e.g. valid
IPv6 multicast traffic ends up being dropped.
* tag 'stratix10_dts_fix_for_v4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux:
arm64: dts: stratix10: fix multicast filtering
Signed-off-by: Olof Johansson <olof@lixom.net>
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https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into fixes
Renesas ARM Based SoC Fixes for v4.20
* R-Car V3H (r8a77980) based Condor board
- Switch from EtherAVB to GEther to match offical boards
* RZ/G2E (ra8774c0) SoC: correct documentation of part number
* R-Car H3 (r8a7795) SoC: reinstate all DMA channels on HSCIF2
* tag 'renesas-fixes-for-v4.20' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
arm64: dts: renesas: condor: switch from EtherAVB to GEther
dt-bindings: arm: Fix RZ/G2E part number
arm64: dts: renesas: r8a7795: add missing dma-names on hscif2
Signed-off-by: Olof Johansson <olof@lixom.net>
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Function name is wrong in the kernel-doc header.
Fixes: 9c3736a3de21 ("mtd: nand: Add core infrastructure to deal with NAND devices")
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fix from Steven Rostedt:
"Masami found a slight bug in his code where he transposed the
arguments of a call to strpbrk.
The reason this wasn't detected in our tests is that the only way this
would transpire is when a kprobe event with a symbol offset is
attached to a function that belongs to a module that isn't loaded yet.
When the kprobe trace event is added, the offset would be truncated
after it was parsed, and when the module is loaded, it would use the
symbol without the offset (as the nul character added by the parsing
would not be replaced with the original character)"
* tag 'trace-v4.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing/kprobes: Fix strpbrk() argument order
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Pull ARM fix from Russell King:
"Ard spotted a typo in one of the assembly files which leads to a
kernel oops when that code path is executed. Fix this"
* 'spectre' of git://git.armlinux.org.uk/~rmk/linux-arm:
ARM: 8809/1: proc-v7: fix Thumb annotation of cpu_v7_hvc_switch_mm
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generic/070 on 64k block size filesystems is failing with a verifier
corruption on writeback or an attribute leaf block:
[ 94.973083] XFS (pmem0): Metadata corruption detected at xfs_attr3_leaf_verify+0x246/0x260, xfs_attr3_leaf block 0x811480
[ 94.975623] XFS (pmem0): Unmount and run xfs_repair
[ 94.976720] XFS (pmem0): First 128 bytes of corrupted metadata buffer:
[ 94.978270] 000000004b2e7b45: 00 00 00 00 00 00 00 00 3b ee 00 00 00 00 00 00 ........;.......
[ 94.980268] 000000006b1db90b: 00 00 00 00 00 81 14 80 00 00 00 00 00 00 00 00 ................
[ 94.982251] 00000000433f2407: 22 7b 5c 82 2d 5c 47 4c bb 31 1c 37 fa a9 ce d6 "{\.-\GL.1.7....
[ 94.984157] 0000000010dc7dfb: 00 00 00 00 00 81 04 8a 00 0a 18 e8 dd 94 01 00 ................
[ 94.986215] 00000000d5a19229: 00 a0 dc f4 fe 98 01 68 f0 d8 07 e0 00 00 00 00 .......h........
[ 94.988171] 00000000521df36c: 0c 2d 32 e2 fe 20 01 00 0c 2d 58 65 fe 0c 01 00 .-2.. ...-Xe....
[ 94.990162] 000000008477ae06: 0c 2d 5b 66 fe 8c 01 00 0c 2d 71 35 fe 7c 01 00 .-[f.....-q5.|..
[ 94.992139] 00000000a4a6bca6: 0c 2d 72 37 fc d4 01 00 0c 2d d8 b8 f0 90 01 00 .-r7.....-......
[ 94.994789] XFS (pmem0): xfs_do_force_shutdown(0x8) called from line 1453 of file fs/xfs/xfs_buf.c. Return address = ffffffff815365f3
This is failing this check:
end = ichdr.freemap[i].base + ichdr.freemap[i].size;
if (end < ichdr.freemap[i].base)
>>>>> return __this_address;
if (end > mp->m_attr_geo->blksize)
return __this_address;
And from the buffer output above, the freemap array is:
freemap[0].base = 0x00a0
freemap[0].size = 0xdcf4 end = 0xdd94
freemap[1].base = 0xfe98
freemap[1].size = 0x0168 end = 0x10000
freemap[2].base = 0xf0d8
freemap[2].size = 0x07e0 end = 0xf8b8
These all look valid - the block size is 0x10000 and so from the
last check in the above verifier fragment we know that the end
of freemap[1] is valid. The problem is that end is declared as:
uint16_t end;
And (uint16_t)0x10000 = 0. So we have a verifier bug here, not a
corruption. Fix the verifier to use uint32_t types for the check and
hence avoid the overflow.
Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=201577
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
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Use DUMP_PREFIX_OFFSET when printing hex dumps of corrupt buffers
because modern Linux now prints a 32-bit hash of our 64-bit pointer when
using DUMP_PREFIX_ADDRESS:
00000000b4bb4297: 00 00 00 00 00 00 00 00 3b ee 00 00 00 00 00 00 ........;.......
00000005ec77e26: 00 00 00 00 02 d0 5a 00 00 00 00 00 00 00 00 00 ......Z.........
000000015938018: 21 98 e8 b4 fd de 4c 07 bc ea 3c e5 ae b4 7c 48 !.....L...<...|H
This is totally worthless for a sequential dump since we probably only
care about tracking the buffer offsets and afaik there's no way to
recover the actual pointer from the hashed value.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
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In this function, once 'buf' has been allocated, we unconditionally
return 0.
However, 'error' is set to some error codes in several error handling
paths.
Before commit 232b51948b99 ("xfs: simplify the xfs_getbmap interface")
this was not an issue because all error paths were returning directly,
but now that some cleanup at the end may be needed, we must propagate the
error code.
Fixes: 232b51948b99 ("xfs: simplify the xfs_getbmap interface")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
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Pull networking fixes from David Miller:
1) Handle errors mid-stream of an all dump, from Alexey Kodanev.
2) Fix build of openvswitch with certain combinations of netfilter
options, from Arnd Bergmann.
3) Fix interactions between GSO and BQL, from Eric Dumazet.
4) Don't put a '/' in RTL8201F's sysfs file name, from Holger
Hoffstätte.
5) S390 qeth driver fixes from Julian Wiedmann.
6) Allow ipv6 link local addresses for netconsole when both source and
destination are link local, from Matwey V. Kornilov.
7) Fix the BPF program address seen in /proc/kallsyms, from Song Liu.
8) Initialize mutex before use in dsa microchip driver, from Tristram
Ha.
9) Out-of-bounds access in hns3, from Yunsheng Lin.
10) Various netfilter fixes from Stefano Brivio, Jozsef Kadlecsik, Jiri
Slaby, Florian Westphal, Eric Westbrook, Andrey Ryabinin, and Pablo
Neira Ayuso.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (50 commits)
net: alx: make alx_drv_name static
net: bpfilter: fix iptables failure if bpfilter_umh is disabled
sock_diag: fix autoloading of the raw_diag module
net: core: netpoll: Enable netconsole IPv6 link local address
ipv6: properly check return value in inet6_dump_all()
rtnetlink: restore handling of dumpit return value in rtnl_dump_all()
net/ipv6: Move anycast init/cleanup functions out of CONFIG_PROC_FS
bonding/802.3ad: fix link_failure_count tracking
net: phy: realtek: fix RTL8201F sysfs name
sctp: define SCTP_SS_DEFAULT for Stream schedulers
sctp: fix strchange_flags name for Stream Change Event
mlxsw: spectrum: Fix IP2ME CPU policer configuration
openvswitch: fix linking without CONFIG_NF_CONNTRACK_LABELS
qed: fix link config error handling
net: hns3: Fix for out-of-bounds access when setting pfc back pressure
net/mlx4_en: use __netdev_tx_sent_queue()
net: do not abort bulk send on BQL status
net: bql: add __netdev_tx_sent_queue()
s390/qeth: report 25Gbit link speed
s390/qeth: sanitize ARP requests
...
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Since the commit c647f806b8c2 ("ALSA: hda - Allow multiple ADCs for
mic mute LED controls") we allow enabling the mic mute LED with
multiple ADCs. The commit changed the function return value to be
zero or a negative error, while this change was overlooked in the
thinkpad_acpi helper code where it still expects a positive return
value for success. This eventually leads to a NULL dereference on a
system that has only a mic mute LED.
This patch corrects the return value check in the corresponding code
as well.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=201621
Fixes: c647f806b8c2 ("ALSA: hda - Allow multiple ADCs for mic mute LED controls")
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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asm_volatile_goto should also be defined for other compilers that support
asm goto.
Fixes commit 815f0ddb346c ("include/linux/compiler*.h: make compiler-*.h
mutually exclusive").
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
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The documentation for the .raw_event() callback says that if the
driver return 1, there will be no further processing of the event,
but this is not true, the actual code in hid-core.c looks like this:
if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) {
ret = hdrv->raw_event(hid, report, data, size);
if (ret < 0)
goto unlock;
}
ret = hid_report_raw_event(hid, type, data, size, interrupt);
The only return value that has any effect on the processing is
a negative error.
Correct this as it seems to confuse people: I found bogus code in
the Razer out-of-tree driver attempting to return 1 here.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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asus_wmi_evaluate_method() is an empty dummy function when CONFIG_ASUS_WMI
is disabled, or not reachable from a built-in device driver. This leads to
a theoretical evaluation of an uninitialized variable that the compiler
complains about, failing to check that the hardcoded return value makes
this an unreachable code path:
In file included from include/linux/printk.h:336,
from include/linux/kernel.h:14,
from include/linux/list.h:9,
from include/linux/dmi.h:5,
from drivers/hid/hid-asus.c:29:
drivers/hid/hid-asus.c: In function 'asus_input_configured':
include/linux/dynamic_debug.h:135:3: error: 'value' may be used uninitialized in this function [-Werror=maybe-uninitialized]
__dynamic_dev_dbg(&descriptor, dev, fmt, \
^~~~~~~~~~~~~~~~~
drivers/hid/hid-asus.c:359:6: note: 'value' was declared here
u32 value;
^~~~~
With an extra IS_ENABLED() check, the warning goes away.
Fixes: 3b692c55e58d ("HID: asus: only support backlight when it's not driven by WMI")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Pull in a merge commit that brought in 3b692c55e58d ("HID: asus: only
support backlight when it's not driven by WMI") so that fixup could be
applied on top of it.
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Due to what appears to be a copy/paste error, the opening ENTRY()
of cpu_v7_hvc_switch_mm() lacks a matching ENDPROC(), and instead,
the one for cpu_v7_smc_switch_mm() is duplicated.
Given that it is ENDPROC() that emits the Thumb annotation, the
cpu_v7_hvc_switch_mm() routine will be called in ARM mode on a
Thumb2 kernel, resulting in the following splat:
Internal error: Oops - undefined instruction: 0 [#1] SMP THUMB2
Modules linked in:
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.18.0-rc1-00030-g4d28ad89189d-dirty #488
Hardware name: QEMU KVM Virtual Machine, BIOS 0.0.0 02/06/2015
PC is at cpu_v7_hvc_switch_mm+0x12/0x18
LR is at flush_old_exec+0x31b/0x570
pc : [<c0316efe>] lr : [<c04117c7>] psr: 00000013
sp : ee899e50 ip : 00000000 fp : 00000001
r10: eda28f34 r9 : eda31800 r8 : c12470e0
r7 : eda1fc00 r6 : eda53000 r5 : 00000000 r4 : ee88c000
r3 : c0316eec r2 : 00000001 r1 : eda53000 r0 : 6da6c000
Flags: nzcv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none
Note the 'ISA ARM' in the last line.
Fix this by using the correct name in ENDPROC().
Cc: <stable@vger.kernel.org>
Fixes: 10115105cb3a ("ARM: spectre-v2: add firmware based hardening")
Reviewed-by: Dave Martin <Dave.Martin@arm.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Enabling -Wvla found another variable-length array with randconfig
testing:
drivers/mtd/maps/sa1100-flash.c: In function 'sa1100_setup_mtd':
drivers/mtd/maps/sa1100-flash.c:224:10: error: ISO C90 forbids variable length array 'cdev' [-Werror=vla]
Dynamically allocate the cdev array passed to mtd_concat_create()
instead of using a VLA.
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Olof Johansson <olof@lixom.net>
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