We have several places in the code where we treat the
error -EAGAIN very differently. Some code retry for
arbitrary number of times.
Introducing this new mount option named "retrans", so
that all these handlers of -EAGAIN can retry a fixed
number of times. This applies only to soft mounts.
Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Today, we schedule periodic query for server interfaces
once every 10 minutes once a tree connection has been
established. Recent change to handle disabling of
multichannel disabled this delayed work.
This change reenables it following a reconnect, and
the server advertises multichannel.
Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Don't clobber ->i_rdev from valid reparse inodes over readdir(2) as it
can't be provided by query dir responses.
Signed-off-by: Paulo Alcantara <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Merge smb311_posix_query_path_info into ->query_path_info() to get rid
of duplicate code.
Signed-off-by: Paulo Alcantara <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Parse owner/group when creating special files and symlinks under
SMB3.1.1 POSIX mounts.
Move the parsing of owner/group to smb2_compound_op() so we don't have
to duplicate it in both smb2_get_reparse_inode() and
smb311_posix_query_path_info().
Signed-off-by: Paulo Alcantara <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
The data offset for the SMB3.1.1 POSIX create context will always be
8-byte aligned so having the check 'noff + nlen >= doff' in
smb2_parse_contexts() is wrong as it will lead to -EINVAL because noff
+ nlen == doff.
Fix the sanity check to correctly handle aligned create context data.
Fixes: af1689a9b7 ("smb: client: fix potential OOBs in smb2_parse_contexts()")
Signed-off-by: Paulo Alcantara <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
When offlining and onlining CPUs the overall reported idle and iowait
times as reported by /proc/stat jump backward and forward:
cpu 132 0 176 225249 47 6 6 21 0 0
cpu0 80 0 115 112575 33 3 4 18 0 0
cpu1 52 0 60 112673 13 3 1 2 0 0
cpu 133 0 177 226681 47 6 6 21 0 0
cpu0 80 0 116 113387 33 3 4 18 0 0
cpu 133 0 178 114431 33 6 6 21 0 0 <---- jump backward
cpu0 80 0 116 114247 33 3 4 18 0 0
cpu1 52 0 61 183 0 3 1 2 0 0 <---- idle + iowait start with 0
cpu 133 0 178 228956 47 6 6 21 0 0 <---- jump forward
cpu0 81 0 117 114929 33 3 4 18 0 0
Reason for this is that get_idle_time() in fs/proc/stat.c has different
sources for both values depending on if a CPU is online or offline:
- if a CPU is online the values may be taken from its per cpu
tick_cpu_sched structure
- if a CPU is offline the values are taken from its per cpu cpustat
structure
The problem is that the per cpu tick_cpu_sched structure is set to zero on
CPU offline. See tick_cancel_sched_timer() in kernel/time/tick-sched.c.
Therefore when a CPU is brought offline and online afterwards both its idle
and iowait sleeptime will be zero, causing a jump backward in total system
idle and iowait sleeptime. In a similar way if a CPU is then brought
offline again the total idle and iowait sleeptimes will jump forward.
It looks like this behavior was introduced with commit 4b0c0f294f
("tick: Cleanup NOHZ per cpu data on cpu down").
This was only noticed now on s390, since we switched to generic idle time
reporting with commit be76ea6144 ("s390/idle: remove arch_cpu_idle_time()
and corresponding code").
Fix this by preserving the values of idle_sleeptime and iowait_sleeptime
members of the per-cpu tick_sched structure on CPU hotplug.
Fixes: 4b0c0f294f ("tick: Cleanup NOHZ per cpu data on cpu down")
Reported-by: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
Link: https://lore.kernel.org/r/20240115163555.1004144-1-hca@linux.ibm.com
The DT of_device.h and of_platform.h headers date back to the separate
of_platform_bus_type before it was merged into the regular platform bus.
As part of that merge prepping Arm DT support 13 years ago, they
"temporarily" include each other. The headers also include
platform_device.h and of.h. The result was lots of drivers relied on
these implicit includes.
Now the entire tree has been fixed over the last couple of cycles to
explicitly include the necessary headers instead of relying on
of_device.h and/or of_platform.h implicit includes, so the implicit and
circular includes can finally be removed.
Signed-off-by: Rob Herring <robh@kernel.org>
The DT of_device.h and of_platform.h date back to the separate
of_platform_bus_type before it as merged into the regular platform bus.
As part of that merge prepping Arm DT support 13 years ago, they
"temporarily" include each other. They also include platform_device.h
and of.h.
of_device.h isn't needed, but mod_devicetable.h and platform_device.h
were implicitly included.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Reviewed-by: Sibi Sankar <quic_sibis@quicinc.com>
Link: https://lore.kernel.org/r/20231211160510.0aef871b@canb.auug.org.au
[robh: Redo commit msg]
Signed-off-by: Rob Herring <robh@kernel.org>
The DT of_device.h and of_platform.h date back to the separate
of_platform_bus_type before it as merged into the regular platform bus.
As part of that merge prepping Arm DT support 13 years ago, they
"temporarily" include each other. They also include platform_device.h
and of.h.
of_device.h isn't needed, but mod_devicetable.h and property.h were
implicitly included.
Signed-off-by: Rob Herring <robh@kernel.org>
Use preferred device_get_match_data() instead of of_match_device() to
get the driver match data. With this, adjust the includes to explicitly
include the correct headers.
Error checking for matching and match data was not necessary as matching
is always successful if we're already in probe and the match tables always
have data pointers.
Signed-off-by: Rob Herring <robh@kernel.org>
Use preferred device_get_match_data() instead of of_match_device() to
get the driver match data. With this, adjust the includes to explicitly
include the correct headers.
Signed-off-by: Rob Herring <robh@kernel.org>
We seem to have hit warnings of 'output may be truncated' which is fixed
by increasing the size of 'name'
drivers/dma/dw-edma/dw-hdma-v0-debugfs.c: In function ‘dw_hdma_v0_debugfs_on’:
drivers/dma/dw-edma/dw-hdma-v0-debugfs.c:125:50: error: ‘%d’ directive output may be truncated writing between 1 and 11 bytes into a region of size 8 [-Werror=format-truncation=]
125 | snprintf(name, sizeof(name), "%s:%d", CHANNEL_STR, i);
| ^~
drivers/dma/dw-edma/dw-hdma-v0-debugfs.c: In function ‘dw_hdma_v0_debugfs_on’:
drivers/dma/dw-edma/dw-hdma-v0-debugfs.c:142:50: error: ‘%d’ directive output may be truncated writing between 1 and 11 bytes into a region of size 8 [-Werror=format-truncation=]
142 | snprintf(name, sizeof(name), "%s:%d", CHANNEL_STR, i);
| ^~
drivers/dma/dw-edma/dw-edma-v0-debugfs.c: In function ‘dw_edma_debugfs_regs_wr’:
drivers/dma/dw-edma/dw-edma-v0-debugfs.c:193:50: error: ‘%d’ directive output may be truncated writing between 1 and 11 bytes into a region of size 8 [-Werror=format-truncation=]
193 | snprintf(name, sizeof(name), "%s:%d", CHANNEL_STR, i);
| ^~
Signed-off-by: Vinod Koul <vkoul@kernel.org>
We seem to have hit warnings of 'output may be truncated' which is fixed
by increasing the size of 'irq_name'
drivers/dma/fsl-qdma.c: In function ‘fsl_qdma_irq_init’:
drivers/dma/fsl-qdma.c:824:46: error: ‘%d’ directive writing between 1 and 11 bytes into a region of size 10 [-Werror=format-overflow=]
824 | sprintf(irq_name, "qdma-queue%d", i);
| ^~
drivers/dma/fsl-qdma.c:824:35: note: directive argument in the range [-2147483641, 2147483646]
824 | sprintf(irq_name, "qdma-queue%d", i);
| ^~~~~~~~~~~~~~
drivers/dma/fsl-qdma.c:824:17: note: ‘sprintf’ output between 12 and 22 bytes into a destination of size 20
824 | sprintf(irq_name, "qdma-queue%d", i);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Signed-off-by: Vinod Koul <vkoul@kernel.org>
We seem to have hit warnings of 'output may be truncated' which is fixed
by increasing the size of 'dev_id'
drivers/dma/sh/shdmac.c: In function ‘sh_dmae_probe’:
drivers/dma/sh/shdmac.c:541:34: error: ‘%d’ directive output may be truncated writing between 1 and 10 bytes into a region of size 9 [-Werror=format-truncation=]
541 | "sh-dmae%d.%d", pdev->id, id);
| ^~
In function ‘sh_dmae_chan_probe’,
inlined from ‘sh_dmae_probe’ at drivers/dma/sh/shdmac.c:845:9:
drivers/dma/sh/shdmac.c:541:26: note: directive argument in the range [0, 2147483647]
541 | "sh-dmae%d.%d", pdev->id, id);
| ^~~~~~~~~~~~~~
drivers/dma/sh/shdmac.c:541:26: note: directive argument in the range [0, 19]
drivers/dma/sh/shdmac.c:540:17: note: ‘snprintf’ output between 11 and 21 bytes into a destination of size 16
540 | snprintf(sh_chan->dev_id, sizeof(sh_chan->dev_id),
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
541 | "sh-dmae%d.%d", pdev->id, id);
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Signed-off-by: Vinod Koul <vkoul@kernel.org>
gcc points out that the fix-byte buffer might be too small:
drivers/dma/sh/usb-dmac.c: In function 'usb_dmac_probe':
drivers/dma/sh/usb-dmac.c:720:34: warning: '%u' directive writing between 1 and 10 bytes into a region of size 3 [-Wformat-overflow=]
720 | sprintf(pdev_irqname, "ch%u", index);
| ^~
In function 'usb_dmac_chan_probe',
inlined from 'usb_dmac_probe' at drivers/dma/sh/usb-dmac.c:814:9:
drivers/dma/sh/usb-dmac.c:720:31: note: directive argument in the range [0, 4294967294]
720 | sprintf(pdev_irqname, "ch%u", index);
| ^~~~~~
drivers/dma/sh/usb-dmac.c:720:9: note: 'sprintf' output between 4 and 13 bytes into a destination of size 5
720 | sprintf(pdev_irqname, "ch%u", index);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Maximum number of channels for USB-DMAC as per the driver is 1-99 so use
u8 instead of unsigned int/int for DMAC channel indexing and make the
pdev_irqname string long enough to avoid the warning.
While at it use scnprintf() instead of sprintf() to make the code more
robust.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20240110222210.193479-1-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The max channel count for RZ DMAC is 16, hence use u8 instead of unsigned
int and make the pdev_irqname string long enough to avoid the warning.
This fixes the below issue:
drivers/dma/sh/rz-dmac.c: In function ‘rz_dmac_probe’:
drivers/dma/sh/rz-dmac.c:770:34: warning: ‘%u’ directive writing between 1 and 10 bytes into a region of size 3 [-Wformat-overflow=]
770 | sprintf(pdev_irqname, "ch%u", index);
| ^~
In function ‘rz_dmac_chan_probe’,
inlined from ‘rz_dmac_probe’ at drivers/dma/sh/rz-dmac.c:910:9:
drivers/dma/sh/rz-dmac.c:770:31: note: directive argument in the range [0, 4294967294]
770 | sprintf(pdev_irqname, "ch%u", index);
| ^~~~~~
drivers/dma/sh/rz-dmac.c:770:9: note: ‘sprintf’ output between 4 and 13 bytes into a destination of size 5
770 | sprintf(pdev_irqname, "ch%u", index);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
While at it use scnprintf() instead of sprintf() to make the code
more robust.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20240110222717.193719-1-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Clang warns (or errors with CONFIG_WERROR=y):
drivers/dma/xilinx/xdma.c:894:3: error: variable 'desc' is uninitialized when used here [-Werror,-Wuninitialized]
894 | desc->error = true;
| ^~~~
The initialization of desc was moved too far forward, move it back so
that this assignment does not result in a potential crash at runtime
while clearing up the warning.
Closes: https://github.com/ClangBuiltLinux/linux/issues/1972
Fixes: 2f8f90cd2f ("dmaengine: xilinx: xdma: Implement interleaved DMA transfers")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20231222-dma-xilinx-xdma-clang-fixes-v1-2-84a18ff184d2@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Clang warns (or errors with CONFIG_WERROR=y):
drivers/dma/xilinx/xdma.c:757:68: error: operator '?:' has lower precedence than '+'; '+' will be evaluated first [-Werror,-Wparentheses]
757 | src_addr += dmaengine_get_src_icg(xt, &xt->sgl[i]) + xt->src_inc ?
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^
drivers/dma/xilinx/xdma.c:757:68: note: place parentheses around the '+' expression to silence this warning
757 | src_addr += dmaengine_get_src_icg(xt, &xt->sgl[i]) + xt->src_inc ?
| ^
| ( )
drivers/dma/xilinx/xdma.c:757:68: note: place parentheses around the '?:' expression to evaluate it first
757 | src_addr += dmaengine_get_src_icg(xt, &xt->sgl[i]) + xt->src_inc ?
| ^
| (
758 | xt->sgl[i].size : 0;
|
| )
drivers/dma/xilinx/xdma.c:759:68: error: operator '?:' has lower precedence than '+'; '+' will be evaluated first [-Werror,-Wparentheses]
759 | dst_addr += dmaengine_get_dst_icg(xt, &xt->sgl[i]) + xt->dst_inc ?
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^
drivers/dma/xilinx/xdma.c:759:68: note: place parentheses around the '+' expression to silence this warning
759 | dst_addr += dmaengine_get_dst_icg(xt, &xt->sgl[i]) + xt->dst_inc ?
| ^
| ( )
drivers/dma/xilinx/xdma.c:759:68: note: place parentheses around the '?:' expression to evaluate it first
759 | dst_addr += dmaengine_get_dst_icg(xt, &xt->sgl[i]) + xt->dst_inc ?
| ^
| (
760 | xt->sgl[i].size : 0;
|
| )
The src_inc and dst_inc members of 'struct dma_interleaved_template' are
booleans, so it does not make sense for the addition to happen first.
Wrap the conditional operator in parantheses so it is evaluated first.
Closes: https://github.com/ClangBuiltLinux/linux/issues/1971
Fixes: 2f8f90cd2f ("dmaengine: xilinx: xdma: Implement interleaved DMA transfers")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20231222-dma-xilinx-xdma-clang-fixes-v1-1-84a18ff184d2@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
There is no need to use $(foreach ...) for iterating over just one parameter.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Link: https://lore.kernel.org/r/20231120235423.4103310-1-masahiroy@kernel.org
Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
One instance of gpio_backlight_platform_data.fbdev was renamed, but the
second instance was forgotten, causing a build failure:
arch/sh/boards/mach-ecovec24/setup.c: In function ‘arch_setup’:
arch/sh/boards/mach-ecovec24/setup.c:1223:37: error: ‘struct gpio_backlight_platform_data’ has no member named ‘fbdev’; did you mean ‘dev’?
1223 | gpio_backlight_data.fbdev = NULL;
| ^~~~~
| dev
Fix this by updating the second instance.
Fixes: ed369def91 ("backlight/gpio_backlight: Rename field 'fbdev' to 'dev'")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202309231601.Uu6qcRnU-lkp@intel.com/
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Link: https://lore.kernel.org/r/20230925111022.3626362-1-geert+renesas@glider.be
Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
- Fix for definition of wakeref_t
- Fix for an error code aliasing
- Fix for VM_UNBIND_ALL in the case there are no bound VMAs
- Fixes for a number of __iomem address space mismatches reported by sparse
- Fixes for the assignment of exec_queue priority
- A Fix for skip_guc_pc not taking effect
- Workaround for a build problem on GCC 11
- A couple of fixes for error paths
- Fix a Flat CCS compression metadata copy issue
- Fix a misplace array bounds checking
- Don't have display support depend on EXPERT (as discussed on IRC)
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Merge tag 'drm-xe-next-fixes-2024-01-16' of https://gitlab.freedesktop.org/drm/xe/kernel into drm-next
Driver Changes:
- Fix for definition of wakeref_t
- Fix for an error code aliasing
- Fix for VM_UNBIND_ALL in the case there are no bound VMAs
- Fixes for a number of __iomem address space mismatches reported by sparse
- Fixes for the assignment of exec_queue priority
- A Fix for skip_guc_pc not taking effect
- Workaround for a build problem on GCC 11
- A couple of fixes for error paths
- Fix a Flat CCS compression metadata copy issue
- Fix a misplace array bounds checking
- Don't have display support depend on EXPERT (as discussed on IRC)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: =?UTF-8?q?Thomas=20Hellstr=C3=B6m?= <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240116102204.106520-1-thomas.hellstrom@linux.intel.com
MS-SMB2 spec has introduced two new status codes,
STATUS_SERVER_UNAVAILABLE and STATUS_FILE_NOT_AVAILABLE
which are to be treated as retryable errors.
This change adds these to the available mappings and
maps them to Linux errno EAGAIN.
Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Today, the tree connect and disconnect requests are
sent on the primary channel only. However, the new
multichannel logic allows the session to remain active
even if one of the channels are alive. So a tree connect
can now be triggered during a reconnect on any of
its channels.
This change changes tcon and tdis calls to pick an
active channel instead of the first one.
Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
open_cached_dir today selects ses->server a.k.a primary channel
to send requests. When multichannel is used, the primary
channel maybe down. So it does not make sense to rely only
on that channel.
This fix makes this function pick a channel with the standard
helper function cifs_pick_channel.
Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Update the usage documentation to include some missing
configuration options. Update the todo list documentation
for cifs.ko
Reviewed-by: Bharath SM <bharathsm@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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Merge tag 'for-6.8/block-2024-01-18' of git://git.kernel.dk/linux
Pull block fixes from Jens Axboe:
- NVMe pull request via Keith:
- tcp, fc, and rdma target fixes (Maurizio, Daniel, Hannes,
Christoph)
- discard fixes and improvements (Christoph)
- timeout debug improvements (Keith, Max)
- various cleanups (Daniel, Max, Giuxen)
- trace event string fixes (Arnd)
- shadow doorbell setup on reset fix (William)
- a write zeroes quirk for SK Hynix (Jim)
- MD pull request via Song:
- Sparse warning since v6.0 (Bart)
- /proc/mdstat regression since v6.7 (Yu Kuai)
- Use symbolic error value (Christian)
- IO Priority documentation update (Christian)
- Fix for accessing queue limits without having entered the queue
(Christoph, me)
- Fix for loop dio support (Christoph)
- Move null_blk off deprecated ida interface (Christophe)
- Ensure nbd initializes full msghdr (Eric)
- Fix for a regression with the folio conversion, which is now easier
to hit because of an unrelated change (Matthew)
- Remove redundant check in virtio-blk (Li)
- Fix for a potential hang in sbitmap (Ming)
- Fix for partial zone appending (Damien)
- Misc changes and fixes (Bart, me, Kemeng, Dmitry)
* tag 'for-6.8/block-2024-01-18' of git://git.kernel.dk/linux: (45 commits)
Documentation: block: ioprio: Update schedulers
loop: fix the the direct I/O support check when used on top of block devices
blk-mq: Remove the hctx 'run' debugfs attribute
nbd: always initialize struct msghdr completely
block: Fix iterating over an empty bio with bio_for_each_folio_all
block: bio-integrity: fix kcalloc() arguments order
virtio_blk: remove duplicate check if queue is broken in virtblk_done
sbitmap: remove stale comment in sbq_calc_wake_batch
block: Correct a documentation comment in blk-cgroup.c
null_blk: Remove usage of the deprecated ida_simple_xx() API
block: ensure we hold a queue reference when using queue limits
blk-mq: rename blk_mq_can_use_cached_rq
block: print symbolic error name instead of error code
blk-mq: fix IO hang from sbitmap wakeup race
nvmet-rdma: avoid circular locking dependency on install_queue()
nvmet-tcp: avoid circular locking dependency on install_queue()
nvme-pci: set doorbell config before unquiescing
block: fix partial zone append completion handling in req_bio_endio()
block/iocost: silence warning on 'last_period' potentially being unused
md/raid1: Use blk_opf_t for read and write operations
...
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Merge tag 'for-6.8/io_uring-2024-01-18' of git://git.kernel.dk/linux
Pull io_uring fixes from Jens Axboe:
"Nothing major in here, just a few fixes and cleanups that arrived
after the initial merge window pull request got finalized, as well as
a fix for a patch that got merged earlier"
* tag 'for-6.8/io_uring-2024-01-18' of git://git.kernel.dk/linux:
io_uring: combine cq_wait_nr checks
io_uring: clean *local_work_add var naming
io_uring: clean up local tw add-wait sync
io_uring: adjust defer tw counting
io_uring/register: guard compat syscall with CONFIG_COMPAT
io_uring/rsrc: improve code generation for fixed file assignment
io_uring/rw: cleanup io_rw_done()
- Fix a "BUG: kernel NULL pointer dereference" issue due to
inconsistent on-disk indices of compressed inodes against
per-sb `available_compr_algs` generated by Syzkaller;
- Don't use certain unnecessary folio_*() helpers if the folio
type (page cache) is known.
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Merge tag 'erofs-for-6.8-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs
Pull erofs fixes from Gao Xiang:
- Fix a "BUG: kernel NULL pointer dereference" issue due to
inconsistent on-disk indices of compressed inodes against
per-sb `available_compr_algs` generated by Syzkaller
- Don't use certain unnecessary folio_*() helpers if the folio
type (page cache) is known
* tag 'erofs-for-6.8-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
erofs: Don't use certain unnecessary folio_*() functions
erofs: fix inconsistent per-file compression format
- Make Kconfig parse the input .config more precisely
- Support W=c and W=e options for Kconfig
- Set Kconfig int/hex symbols to zero if the 'default' property is
missing
- Add .editorconfig
- Add scripts/git.orderFile
- Add a script to detect backward-incompatible changes in UAPI headers
- Resolve the symlink passed to O= option properly
- Use the user-supplied mtime for all files in the builtin initramfs,
which provides better reproducible builds
- Fix the direct execution of debian/rules for Debian package builds
- Use build ID instead of the .gnu_debuglink section for the Debian dbg
package
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Merge tag 'kbuild-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- Make Kconfig parse the input .config more precisely
- Support W=c and W=e options for Kconfig
- Set Kconfig int/hex symbols to zero if the 'default' property is
missing
- Add .editorconfig
- Add scripts/git.orderFile
- Add a script to detect backward-incompatible changes in UAPI headers
- Resolve the symlink passed to O= option properly
- Use the user-supplied mtime for all files in the builtin initramfs,
which provides better reproducible builds
- Fix the direct execution of debian/rules for Debian package builds
- Use build ID instead of the .gnu_debuglink section for the Debian dbg
package
* tag 'kbuild-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (53 commits)
kbuild: deb-pkg: use debian/<package> for tmpdir
kbuild: deb-pkg: move 'make headers' to build-arch
kbuild: deb-pkg: do not search for 'scripts' directory under arch/
kbuild: deb-pkg: use build ID instead of debug link for dbg package
kbuild: deb-pkg: use more debhelper commands in builddeb
kbuild: deb-pkg: remove unneeded '-f $srctree/Makefile' in debian/rules
kbuild: deb-pkg: allow to run debian/rules from output directory
kbuild: deb-pkg: set DEB_* variables if debian/rules is directly executed
kbuild: deb-pkg: squash scripts/package/deb-build-option to debian/rules
kbuild: deb-pkg: factor out common Make options in debian/rules
kbuild: deb-pkg: hard-code Build-Depends
kbuild: deb-pkg: split debian/copyright from the mkdebian script
gen_init_cpio: Apply mtime supplied by user to all file types
kbuild: resolve symlinks for O= properly
docs: dev-tools: Add UAPI checker documentation
check-uapi: Introduce check-uapi.sh
scripts: Introduce a default git.orderFile
kconfig: WERROR unmet symbol dependency
Add .editorconfig file for basic formatting
kconfig: Use KCONFIG_CONFIG instead of .config
...
The entire changeset for kgdb this cycle is a single two-line change to
remove some deadcode that, had it not been dead, would have called
strncpy() in an unsafe manner.
To be fair there were other modest clean ups were discussed this cycle
but they are not finalized and will have to wait until next time.
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
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Merge tag 'kgdb-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux
Pull kgdb update from Daniel Thompson:
"The entire changeset for kgdb this cycle is a single two-line change
to remove some deadcode that, had it not been dead, would have called
strncpy() in an unsafe manner.
To be fair there were other modest clean ups were discussed this cycle
but they are not finalized and will have to wait until next time"
* tag 'kgdb-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux:
kdb: Fix a potential buffer overflow in kdb_local()
Previous releases - regressions:
- Revert "net: rtnetlink: Enslave device before bringing it up",
breaks the case inverse to the one it was trying to fix
- net: dsa: fix oob access in DSA's netdevice event handler
dereference netdev_priv() before check its a DSA port
- sched: track device in tcf_block_get/put_ext() only for clsact
binder types
- net: tls, fix WARNING in __sk_msg_free when record becomes full
during splice and MORE hint set
- sfp-bus: fix SFP mode detect from bitrate
- drv: stmmac: prevent DSA tags from breaking COE
Previous releases - always broken:
- bpf: fix no forward progress in in bpf_iter_udp if output
buffer is too small
- bpf: reject variable offset alu on registers with a type
of PTR_TO_FLOW_KEYS to prevent oob access
- netfilter: tighten input validation
- net: add more sanity check in virtio_net_hdr_to_skb()
- rxrpc: fix use of Don't Fragment flag on RESPONSE packets,
avoid infinite loop
- amt: do not use the portion of skb->cb area which may get clobbered
- mptcp: improve validation of the MPTCPOPT_MP_JOIN MCTCP option
Misc:
- spring cleanup of inactive maintainers
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from bpf and netfilter.
Previous releases - regressions:
- Revert "net: rtnetlink: Enslave device before bringing it up",
breaks the case inverse to the one it was trying to fix
- net: dsa: fix oob access in DSA's netdevice event handler
dereference netdev_priv() before check its a DSA port
- sched: track device in tcf_block_get/put_ext() only for clsact
binder types
- net: tls, fix WARNING in __sk_msg_free when record becomes full
during splice and MORE hint set
- sfp-bus: fix SFP mode detect from bitrate
- drv: stmmac: prevent DSA tags from breaking COE
Previous releases - always broken:
- bpf: fix no forward progress in in bpf_iter_udp if output buffer is
too small
- bpf: reject variable offset alu on registers with a type of
PTR_TO_FLOW_KEYS to prevent oob access
- netfilter: tighten input validation
- net: add more sanity check in virtio_net_hdr_to_skb()
- rxrpc: fix use of Don't Fragment flag on RESPONSE packets, avoid
infinite loop
- amt: do not use the portion of skb->cb area which may get clobbered
- mptcp: improve validation of the MPTCPOPT_MP_JOIN MCTCP option
Misc:
- spring cleanup of inactive maintainers"
* tag 'net-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (88 commits)
i40e: Include types.h to some headers
ipv6: mcast: fix data-race in ipv6_mc_down / mld_ifc_work
selftests: mlxsw: qos_pfc: Adjust the test to support 8 lanes
selftests: mlxsw: qos_pfc: Remove wrong description
mlxsw: spectrum_router: Register netdevice notifier before nexthop
mlxsw: spectrum_acl_tcam: Fix stack corruption
mlxsw: spectrum_acl_tcam: Fix NULL pointer dereference in error path
mlxsw: spectrum_acl_erp: Fix error flow of pool allocation failure
ethtool: netlink: Add missing ethnl_ops_begin/complete
selftests: bonding: Add more missing config options
selftests: netdevsim: add a config file
libbpf: warn on unexpected __arg_ctx type when rewriting BTF
selftests/bpf: add tests confirming type logic in kernel for __arg_ctx
bpf: enforce types for __arg_ctx-tagged arguments in global subprogs
bpf: extract bpf_ctx_convert_map logic and make it more reusable
libbpf: feature-detect arg:ctx tag support in kernel
ipvs: avoid stat macros calls from preemptible context
netfilter: nf_tables: reject NFT_SET_CONCAT with not field length description
netfilter: nf_tables: skip dead set elements in netlink dump
netfilter: nf_tables: do not allow mismatch field size and set key length
...
(controllers set the flag, but there is no client to use it). Also,
CLASS_SPD support gets simplified to prepare removal in the future.
Class based instantiation is not recommended these days anyhow.
Furthermore, I2C core now creates a debugfs directory per I2C adapter.
Current bus driver users were converted to use it. Then, there are also
quite some driver updates. Standing out are patches for the wmt-driver
which is refactored to support more variants. This is the rebased pull
request where a large series for the designware driver was dropped.
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Merge tag 'i2c-for-6.8-rc1-rebased' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
"This removes the currently unused CLASS_DDC support (controllers set
the flag, but there is no client to use it).
Also, CLASS_SPD support gets simplified to prepare removal in the
future. Class based instantiation is not recommended these days
anyhow.
Furthermore, I2C core now creates a debugfs directory per I2C adapter.
Current bus driver users were converted to use it.
Finally, quite some driver updates. Standing out are patches for the
wmt-driver which is refactored to support more variants.
This is the rebased pull request where a large series for the
designware driver was dropped"
* tag 'i2c-for-6.8-rc1-rebased' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (38 commits)
MAINTAINERS: use proper email for my I2C work
i2c: stm32f7: add support for stm32mp25 soc
i2c: stm32f7: perform I2C_ISR read once at beginning of event isr
dt-bindings: i2c: document st,stm32mp25-i2c compatible
i2c: stm32f7: simplify status messages in case of errors
i2c: stm32f7: perform most of irq job in threaded handler
i2c: stm32f7: use dev_err_probe upon calls of devm_request_irq
i2c: i801: Add lis3lv02d for Dell XPS 15 7590
i2c: i801: Add lis3lv02d for Dell Precision 3540
i2c: wmt: Reduce redundant: REG_CR setting
i2c: wmt: Reduce redundant: function parameter
i2c: wmt: Reduce redundant: clock mode setting
i2c: wmt: Reduce redundant: wait event complete
i2c: wmt: Reduce redundant: bus busy check
i2c: mux: reg: Remove class-based device auto-detection support
i2c: make i2c_bus_type const
dt-bindings: at24: add ROHM BR24G04
eeprom: at24: use of_match_ptr()
i2c: cpm: Remove linux,i2c-index conversion from be32
i2c: imx: Make SDA actually optional for bus recovering
...
Subsytem:
New driver:
- Analog Devices MAX31335
- Nuvoton ma35d1
- Texas Instrument TPS6594 PMIC RTC
Drivers:
- cmos: use ACPI alarm instead of HPET on recent AMD platforms
- nuvoton: add NCT3015Y-R and NCT3018Y-R support
- rv8803: proper suspend/resume and wakeup-source support
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Merge tag 'rtc-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"There are three new drivers this cycle. Also the cmos driver is
getting fixes for longstanding wakeup issues on AMD.
New drivers:
- Analog Devices MAX31335
- Nuvoton ma35d1
- Texas Instrument TPS6594 PMIC RTC
Drivers:
- cmos: use ACPI alarm instead of HPET on recent AMD platforms
- nuvoton: add NCT3015Y-R and NCT3018Y-R support
- rv8803: proper suspend/resume and wakeup-source support"
* tag 'rtc-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (26 commits)
rtc: nuvoton: Compatible with NCT3015Y-R and NCT3018Y-R
rtc: da9063: Use dev_err_probe()
rtc: da9063: Use device_get_match_data()
rtc: da9063: Make IRQ as optional
rtc: max31335: Fix comparison in max31335_volatile_reg()
rtc: max31335: use regmap_update_bits_check
rtc: max31335: remove unecessary locking
rtc: max31335: add driver support
dt-bindings: rtc: max31335: add max31335 bindings
rtc: rv8803: add wakeup-source support
rtc: ac100: remove misuses of kernel-doc
rtc: class: Remove usage of the deprecated ida_simple_xx() API
rtc: MAINTAINERS: drop Alessandro Zummo
rtc: ma35d1: remove hardcoded UIE support
dt-bindings: rtc: qcom-pm8xxx: fix inconsistent example
rtc: rv8803: Add power management support
rtc: ds3232: avoid unused-const-variable warning
rtc: lpc24xx: add missing dependency
rtc: tps6594: Add driver for TPS6594 RTC
rtc: Add driver for Nuvoton ma35d1 rtc controller
...
- a new driver for Adafruit Seesaw gamepad device
- Zforce touchscreen will handle standard device properties for axis
swap/inversion
- handling of advanced sensitivity settings in Microchip CAP11xx
capacitive sensor driver
- more drivers have been converted to use newer gpiod API
- support for dedicated wakeup IRQs in gpio-keys dirver
- support for slider gestures and OTP variants in iqs269a driver
- atkbd will report keyboard version as 0xab83 in cases when GET ID
command was skipped (to deal with problematic firmware on newer
laptops), restoring the previous behavior
- other assorted cleanups and changes
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Merge tag 'input-for-v6.8-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
- a new driver for Adafruit Seesaw gamepad device
- Zforce touchscreen will handle standard device properties for axis
swap/inversion
- handling of advanced sensitivity settings in Microchip CAP11xx
capacitive sensor driver
- more drivers have been converted to use newer gpiod API
- support for dedicated wakeup IRQs in gpio-keys dirver
- support for slider gestures and OTP variants in iqs269a driver
- atkbd will report keyboard version as 0xab83 in cases when GET ID
command was skipped (to deal with problematic firmware on newer
laptops), restoring the previous behavior
- other assorted cleanups and changes
* tag 'input-for-v6.8-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (44 commits)
Input: atkbd - use ab83 as id when skipping the getid command
Input: driver for Adafruit Seesaw Gamepad
dt-bindings: input: bindings for Adafruit Seesaw Gamepad
Input: da9063_onkey - avoid explicitly setting input's parent
Input: da9063_onkey - avoid using OF-specific APIs
Input: iqs269a - add support for OTP variants
dt-bindings: input: iqs269a: Add bindings for OTP variants
Input: iqs269a - add support for slider gestures
dt-bindings: input: iqs269a: Add bindings for slider gestures
Input: gpio-keys - filter gpio_keys -EPROBE_DEFER error messages
Input: zforce_ts - accept standard touchscreen properties
dt-bindings: touchscreen: neonode,zforce: Use standard properties
dt-bindings: touchscreen: convert neonode,zforce to json-schema
dt-bindings: input: convert drv266x to json-schema
Input: da9063 - use dev_err_probe()
Input: da9063 - drop redundant prints in probe()
Input: da9063 - simplify obtaining OF match data
Input: as5011 - convert to GPIO descriptor
Input: omap-keypad - drop optional GPIO support
Input: tca6416-keypad - drop unused include
...
- Core: add concept of controller_id to deal with clear Controller/Manager
hierarchy
- bunch of qcom driver refactoring for qcom_swrm_stream_alloc_ports(),
qcom_swrm_stream_alloc_ports() and setting controller id to hw master id
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Merge tag 'soundwire-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire
Pull soundwire updates from Vinod Koul:
- Core: add concept of controller_id to deal with clear Controller /
Manager hierarchy
- bunch of qcom driver refactoring for qcom_swrm_stream_alloc_ports(),
qcom_swrm_stream_alloc_ports() and setting controller id to hw master
id
* tag 'soundwire-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire:
soundwire: amd: drop bus freq calculation and set 'max_clk_freq'
soundwire: generic_bandwidth_allocation use bus->params.max_dr_freq
soundwire: qcom: set controller id to hw master id
soundwire: fix initializing sysfs for same devices on different buses
soundwire: bus: introduce controller_id
soundwire: stream: constify sdw_port_config when adding devices
soundwire: qcom: move sconfig in qcom_swrm_stream_alloc_ports() out of critical section
soundwire: qcom: drop unneeded qcom_swrm_stream_alloc_ports() cleanup
- revert the changes aiming to use a read-write semaphore to protect the
list of GPIO devices due to calls to legacy API taking that lock from
atomic context in old code
- fix inverted logic in DEFINE_FREE() for GPIO device references
- check the return value of bgpio_init() in gpio-mlxbf3
- fix node address in the DT bindings example for gpio-xilinx
- fix signedness bug in gpio-rtd
- fix kernel-doc warnings in gpio-en7523
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Merge tag 'gpio-fixes-for-v6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
"Apart from some regular driver fixes there's a relatively big revert
of the locking changes that were introduced to GPIOLIB in this merge
window.
This is because it turned out that some legacy GPIO interfaces - that
need to translate a number from the global GPIO numberspace to the
address of the relevant descriptor, thus running a GPIO device lookup
and taking the GPIO device list lock - are still used in old code from
atomic context resulting in "scheduling while atomic" errors.
I'll try to make the read-only part of the list access entirely
lockless using SRCU but this will take some time so let's go back to
the old global spinlock for now.
Summary:
- revert the changes aiming to use a read-write semaphore to protect
the list of GPIO devices due to calls to legacy API taking that
lock from atomic context in old code
- fix inverted logic in DEFINE_FREE() for GPIO device references
- check the return value of bgpio_init() in gpio-mlxbf3
- fix node address in the DT bindings example for gpio-xilinx
- fix signedness bug in gpio-rtd
- fix kernel-doc warnings in gpio-en7523"
* tag 'gpio-fixes-for-v6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpiolib: revert the attempt to protect the GPIO device list with an rwsem
gpio: EN7523: fix kernel-doc warnings
gpiolib: Fix scope-based gpio_device refcounting
gpio: mlxbf3: add an error code check in mlxbf3_gpio_probe
dt-bindings: gpio: xilinx: Fix node address in gpio
gpio: rtd: Fix signedness bug in probe
The first commit fixes a duplicate cleanup in an error path introduced
in pwm/for-6.8-rc1~13.
The second cares for an out-of-bounds access. In practise it doesn't
happen---otherwise someone would have noticed since v5.17-rc1 I
guess---because the device tree binding for the two drivers using
of_pwm_single_xlate() only have args->args_count == 1. A device-tree
that doesn't conform to the respective bindings could trigger that
easily however.
The third and last one corrects the request callback of the jz4740 pwm
driver which used dev_err_probe() long after .probe() completed. This is
conceptually wrong because dev_err_probe() might call
device_set_deferred_probe_reason() which is nonsensical after the driver
is bound.
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Merge tag 'pwm/for-6.8-2' of gitolite.kernel.org:pub/scm/linux/kernel/git/ukleinek/linux
Pull pwm fixes from Uwe Kleine-König:
- fix a duplicate cleanup in an error path introduced in
this merge window
- fix an out-of-bounds access
In practise it doesn't happen - otherwise someone would have noticed
since v5.17-rc1 I guess - because the device tree binding for the two
drivers using of_pwm_single_xlate() only have args->args_count == 1.
A device-tree that doesn't conform to the respective bindings could
trigger that easily however.
- correct the request callback of the jz4740 pwm driver which used
dev_err_probe() long after .probe() completed.
This is conceptually wrong because dev_err_probe() might call
device_set_deferred_probe_reason() which is nonsensical after the
driver is bound.
* tag 'pwm/for-6.8-2' of gitolite.kernel.org:pub/scm/linux/kernel/git/ukleinek/linux:
pwm: jz4740: Don't use dev_err_probe() in .request()
pwm: Fix out-of-bounds access in of_pwm_single_xlate()
pwm: bcm2835: Remove duplicate call to clk_rate_exclusive_put()
- Add support for Monolithic Power Systems MP3309C WLED Step-up Converter
- Fix-ups
- Use/convert to new/better APIs/helpers/MACROs instead of hand-rolling implementations
- Device Tree Binding updates
- Demote non-kerneldoc header comments
- Improve error handling; return proper error values, simplify, avoid duplicates, etc
- Convert over to the new (kinda) GPIOD API
- Bug Fixes
- Fix uninitialised local variable
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Merge tag 'backlight-next-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight
Pull backlight updates from Lee Jones:
"New Drivers:
- Add support for Monolithic Power Systems MP3309C WLED Step-up Converter
Fix-ups:
- Use/convert to new/better APIs/helpers/MACROs instead of
hand-rolling implementations
- Device Tree Binding updates
- Demote non-kerneldoc header comments
- Improve error handling; return proper error values, simplify, avoid
duplicates, etc
- Convert over to the new (kinda) GPIOD API
Bug Fixes:
- Fix uninitialised local variable"
* tag 'backlight-next-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
backlight: hx8357: Convert to agnostic GPIO API
backlight: ili922x: Add an error code check in ili922x_write()
backlight: ili922x: Drop kernel-doc for local macros
backlight: mp3309c: Fix uninitialized local variable
backlight: pwm_bl: Use dev_err_probe
backlight: mp3309c: Add support for MPS MP3309C
dt-bindings: backlight: mp3309c: Remove two required properties
Use NUMA_NO_NODE instead of -1 as return value of memblock_search_pfn_nid()
to improve code readability and consistency with the callers of that
function.
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Merge tag 'memblock-v6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock
Pull memblock update from Mike Rapoport:
"Code readability improvement.
Use NUMA_NO_NODE instead of -1 as return value of
memblock_search_pfn_nid() to improve code readability
and consistency with the callers of that function"
* tag 'memblock-v6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
memblock: Return NUMA_NO_NODE instead of -1 to improve code readability
vdpa/mlx5: support for resumable vqs
virtio_scsi: mq_poll support
3virtio_pmem: support SHMEM_REGION
virtio_balloon: stay awake while adjusting balloon
virtio: support for no-reset virtio PCI PM
Fixes, cleanups.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio updates from Michael Tsirkin:
- vdpa/mlx5: support for resumable vqs
- virtio_scsi: mq_poll support
- 3virtio_pmem: support SHMEM_REGION
- virtio_balloon: stay awake while adjusting balloon
- virtio: support for no-reset virtio PCI PM
- Fixes, cleanups
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
vdpa/mlx5: Add mkey leak detection
vdpa/mlx5: Introduce reference counting to mrs
vdpa/mlx5: Use vq suspend/resume during .set_map
vdpa/mlx5: Mark vq state for modification in hw vq
vdpa/mlx5: Mark vq addrs for modification in hw vq
vdpa/mlx5: Introduce per vq and device resume
vdpa/mlx5: Allow modifying multiple vq fields in one modify command
vdpa/mlx5: Expose resumable vq capability
vdpa: Block vq property changes in DRIVER_OK
vdpa: Track device suspended state
scsi: virtio_scsi: Add mq_poll support
virtio_pmem: support feature SHMEM_REGION
virtio_balloon: stay awake while adjusting balloon
vdpa: Remove usage of the deprecated ida_simple_xx() API
virtio: Add support for no-reset virtio PCI PM
virtio_net: fix missing dma unmap for resize
vhost-vdpa: account iommu allocations
vdpa: Fix an error handling path in eni_vdpa_probe()
