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We need two patches inside linux-block tree as dependencies of the patch
which will follow this merge.
Specifically, we need:
block: fix race between set_blocksize and read paths
block: hoist block size validation code to a separate function
Signed-off-by: Carlos Maiolino <cem@kernel.org>
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ublk_cancel_cmd() calls io_uring_cmd_done() to complete uring_cmd, but
we may have scheduled task work via io_uring_cmd_complete_in_task() for
dispatching request, then kernel crash can be triggered.
Fix it by not trying to canceling the command if ublk block request is
started.
Fixes: 216c8f5ef0f2 ("ublk: replace monitor with cancelable uring_cmd")
Reported-by: Jared Holzman <jholzman@nvidia.com>
Tested-by: Jared Holzman <jholzman@nvidia.com>
Closes: https://lore.kernel.org/linux-block/d2179120-171b-47ba-b664-23242981ef19@nvidia.com/
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250425013742.1079549-3-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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We call io_uring_cmd_complete_in_task() to schedule task_work for handling
UBLK_U_IO_NEED_GET_DATA.
This way is really not necessary because the current context is exactly
the ublk queue context, so call ublk_dispatch_req() directly for handling
UBLK_U_IO_NEED_GET_DATA.
Fixes: 216c8f5ef0f2 ("ublk: replace monitor with cancelable uring_cmd")
Tested-by: Jared Holzman <jholzman@nvidia.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250425013742.1079549-2-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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When trying to enable a port that has no transport configured yet,
nvmet_enable_port() uses NVMF_TRTYPE_MAX (255) to query the transports
array, causing an out-of-bounds access:
[ 106.058694] BUG: KASAN: global-out-of-bounds in nvmet_enable_port+0x42/0x1da
[ 106.058719] Read of size 8 at addr ffffffff89dafa58 by task ln/632
[...]
[ 106.076026] nvmet: transport type 255 not supported
Since commit 200adac75888, NVMF_TRTYPE_MAX is the default state as configured by
nvmet_ports_make().
Avoid this by checking for NVMF_TRTYPE_MAX before proceeding.
Fixes: 200adac75888 ("nvme: Add PCI transport type")
Signed-off-by: Richard Weinberger <richard@nod.at>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
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Pull NVMe fixes from Christoph:
"nvme fixes for Linux 6.15
- fix scan failure for non-ANA multipath controllers (Hannes Reinecke)
- fix multipath sysfs links creation for some cases (Hannes Reinecke)
- PCIe endpoint fixes (Damien Le Moal)
- use NULL instead of 0 in the auth code (Damien Le Moal)"
* tag 'nvme-6.15-2025-04-17' of git://git.infradead.org/nvme:
nvmet: pci-epf: cleanup link state management
nvmet: pci-epf: clear CC and CSTS when disabling the controller
nvmet: pci-epf: always fully initialize completion entries
nvmet: auth: use NULL to clear a pointer in nvmet_auth_sq_free()
nvme-multipath: sysfs links may not be created for devices
nvme: fixup scan failure for non-ANA multipath controllers
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https://git.kernel.org/pub/scm/linux/kernel/git/mdraid/linux into block-6.15
Pull MD fixes from Yu:
"- fix raid10 missing discard IO accounting (Yu Kuai)
- fix bitmap stats for bitmap file (Zheng Qixing)
- fix oops while reading all member disks failed during check/repair
(Meir Elisha)"
* tag 'md-6.15-20250416' of https://git.kernel.org/pub/scm/linux/kernel/git/mdraid/linux:
md/raid1: Add check for missing source disk in process_checks()
md/md-bitmap: fix stats collection for external bitmaps
md/raid10: fix missing discard IO accounting
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Now ublk_abort_queue() is moved to ublk char device release handler,
meantime our request queue is "quiesced" because either ->canceling was
set from uring_cmd cancel function or all IOs are inflight and can't be
completed by ublk server, things becomes easy much:
- all uring_cmd are done, so we needn't to mark io as UBLK_IO_FLAG_ABORTED
for handling completion from uring_cmd
- ublk char device is closed, no one can hold IO request reference any more,
so we can simply complete this request or requeue it for ublk_nosrv_should_reissue_outstanding.
Reviewed-by: Uday Shankar <ushankar@purestorage.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250416035444.99569-8-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Remove __ublk_quiesce_dev() and open code for updating device state as
QUIESCED.
We needn't to drain inflight requests in __ublk_quiesce_dev() any more,
because all inflight requests are aborted in ublk char device release
handler.
Also we needn't to set ->canceling in __ublk_quiesce_dev() any more
because it is done unconditionally now in ublk_ch_release().
Reviewed-by: Uday Shankar <ushankar@purestorage.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250416035444.99569-7-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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There are currently two ways in which ublk server exit is detected by
ublk_drv:
1. uring_cmd cancellation. If there are any outstanding uring_cmds which
have not been completed to the ublk server when it exits, io_uring
calls the uring_cmd callback with a special cancellation flag as the
issuing task is exiting.
2. I/O timeout. This is needed in addition to the above to handle the
"saturated queue" case, when all I/Os for a given queue are in the
ublk server, and therefore there are no outstanding uring_cmds to
cancel when the ublk server exits.
There are a couple of issues with this approach:
- It is complex and inelegant to have two methods to detect the same
condition
- The second method detects ublk server exit only after a long delay
(~30s, the default timeout assigned by the block layer). This delays
the nosrv behavior from kicking in and potential subsequent recovery
of the device.
The second issue is brought to light with the new test_generic_06 which
will be added in following patch. It fails before this fix:
selftests: ublk: test_generic_06.sh
dev id is 0
dd: error writing '/dev/ublkb0': Input/output error
1+0 records in
0+0 records out
0 bytes copied, 30.0611 s, 0.0 kB/s
DEAD
dd took 31 seconds to exit (>= 5s tolerance)!
generic_06 : [FAIL]
Fix this by instead detecting and handling ublk server exit in the
character file release callback. This has several advantages:
- This one place can handle both saturated and unsaturated queues. Thus,
it replaces both preexisting methods of detecting ublk server exit.
- It runs quickly on ublk server exit - there is no 30s delay.
- It starts the process of removing task references in ublk_drv. This is
needed if we want to relax restrictions in the driver like letting
only one thread serve each queue
There is also the disadvantage that the character file release callback
can also be triggered by intentional close of the file, which is a
significant behavior change. Preexisting ublk servers (libublksrv) are
dependent on the ability to open/close the file multiple times. To
address this, only transition to a nosrv state if the file is released
while the ublk device is live. This allows for programs to open/close
the file multiple times during setup. It is still a behavior change if a
ublk server decides to close/reopen the file while the device is LIVE
(i.e. while it is responsible for serving I/O), but that would be highly
unusual. This behavior is in line with what is done by FUSE, which is
very similar to ublk in that a userspace daemon is providing services
traditionally provided by the kernel.
With this change in, the new test (and all other selftests, and all
ublksrv tests) pass:
selftests: ublk: test_generic_06.sh
dev id is 0
dd: error writing '/dev/ublkb0': Input/output error
1+0 records in
0+0 records out
0 bytes copied, 0.0376731 s, 0.0 kB/s
DEAD
generic_04 : [PASS]
Signed-off-by: Uday Shankar <ushankar@purestorage.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250416035444.99569-6-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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ublk_ch_release() is called after ublk char device is closed, when all
uring_cmd are done, so it is perfect fine to move ublk device reset to
ublk_ch_release() from ublk_ctrl_start_recovery().
This way can avoid to grab the exiting daemon task_struct too long.
However, reset of the following ublk IO flags has to be moved until ublk
io_uring queues are ready:
- ubq->canceling
For requeuing IO in case of ublk_nosrv_dev_should_queue_io() before device
is recovered
- ubq->fail_io
For failing IO in case of UBLK_F_USER_RECOVERY_FAIL_IO before device is
recovered
- ublk_io->flags
For preventing using io->cmd
With this way, recovery is simplified a lot.
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250416035444.99569-5-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Now ublk deals with ublk_nosrv_dev_should_queue_io() by keeping request
queue as quiesced. This way is fragile because queue quiesce crosses syscalls
or process contexts.
Switch to rely on ubq->canceling for dealing with
ublk_nosrv_dev_should_queue_io(), because it has been used for this purpose
during io_uring context exiting, and it can be reused before recovering too.
In ublk_queue_rq(), the request will be added to requeue list without
kicking off requeue in case of ubq->canceling, and finally requests added in
requeue list will be dispatched from either ublk_stop_dev() or
ublk_ctrl_end_recovery().
Meantime we have to move reset of ubq->canceling from ublk_ctrl_start_recovery()
to ublk_ctrl_end_recovery(), when IO handling can be recovered completely.
Then blk_mq_quiesce_queue() and blk_mq_unquiesce_queue() are always used
in same context.
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Uday Shankar <ushankar@purestorage.com>
Link: https://lore.kernel.org/r/20250416035444.99569-4-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Add ublk_force_abort_dev() for handling ublk_nosrv_dev_should_queue_io()
in ublk_stop_dev(). Then queue quiesce and unquiesce can be paired in
single function.
Meantime not change device state to QUIESCED any more, since the disk is
going to be removed soon.
Reviewed-by: Uday Shankar <ushankar@purestorage.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250416035444.99569-3-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Most uring_cmds issued against ublk character devices are serialized
because each command affects only one queue, and there is an early check
which only allows a single task (the queue's ubq_daemon) to issue
uring_cmds against that queue. However, this mechanism does not work for
FETCH_REQs, since they are expected before ubq_daemon is set. Since
FETCH_REQs are only used at initialization and not in the fast path,
serialize them using the per-ublk-device mutex. This fixes a number of
data races that were previously possible if a badly behaved ublk server
decided to issue multiple FETCH_REQs against the same qid/tag
concurrently.
Reported-by: Caleb Sander Mateos <csander@purestorage.com>
Signed-off-by: Uday Shankar <ushankar@purestorage.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250416035444.99569-2-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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During recovery/check operations, the process_checks function loops
through available disks to find a 'primary' source with successfully
read data.
If no suitable source disk is found after checking all possibilities,
the 'primary' index will reach conf->raid_disks * 2. Add an explicit
check for this condition after the loop. If no source disk was found,
print an error message and return early to prevent further processing
without a valid primary source.
Link: https://lore.kernel.org/linux-raid/20250408143808.1026534-1-meir.elisha@volumez.com
Signed-off-by: Meir Elisha <meir.elisha@volumez.com>
Suggested-and-reviewed-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
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Since the link_up boolean field of struct nvmet_pci_epf_ctrl is always
set to true when nvmet_pci_epf_start_ctrl() is called, assign true to
this field in nvmet_pci_epf_start_ctrl(). Conversely, since this field
is set to false when nvmet_pci_epf_stop_ctrl() is called, set this field
to false directly inside that function.
While at it, also add information messages to notify the user of the PCI
link state changes to help troubleshoot any link stability issues
without needing to enable debug messages.
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Niklas Cassel <cassel@kernel.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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When a host shuts down the controller when shutting down but does so
without first disabling the controller, the enable bit remains set in
the controller configuration register. When the host restarts and
attempts to enable the controller again, the
nvmet_pci_epf_poll_cc_work() function is unable to detect the change
from 0 to 1 of the enable bit, and thus the controller is not enabled
again, which result in a device scan timeout on the host. This problem
also occurs if the host shuts down uncleanly or if the PCIe link goes
down: as the CC.EN value is not reset, the controller is not enabled
again when the host restarts.
Fix this by introducing the function nvmet_pci_epf_clear_ctrl_config()
to clear the CC and CSTS registers of the controller when the PCIe link
is lost (nvmet_pci_epf_stop_ctrl() function), or when starting the
controller fails (nvmet_pci_epf_enable_ctrl() fails). Also use this
function in nvmet_pci_epf_init_bar() to simplify the initialization of
the CC and CSTS registers.
Furthermore, modify the function nvmet_pci_epf_disable_ctrl() to clear
the CC.EN bit and write this updated value to the BAR register when the
controller is shutdown by the host, to ensure that upon restart, we can
detect the host setting CC.EN.
Fixes: 0faa0fe6f90e ("nvmet: New NVMe PCI endpoint function target driver")
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Niklas Cassel <cassel@kernel.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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For a command that is normally processed through the command request
execute() function, the completion entry for the command is initialized
by __nvmet_req_complete() and nvmet_pci_epf_cq_work() only needs to set
the status field and the phase of the completion entry before posting
the entry to the completion queue.
However, for commands that are failed due to an internal error (e.g. the
command data buffer allocation fails), the command request execute()
function is not called and __nvmet_req_complete() is never executed for
the command, leaving the command completion entry uninitialized. For
such command failed before calling req->execute(), the host ends up
seeing completion entries with an invalid submission queue ID and
command ID.
Avoid such issue by always fully initilizing a command completion entry
in nvmet_pci_epf_cq_work(), setting the entry submission queue head, ID
and command ID.
Fixes: 0faa0fe6f90e ("nvmet: New NVMe PCI endpoint function target driver")
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Niklas Cassel <cassel@kernel.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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When compiling with C=1, the following sparse warning is generated:
auth.c:243:23: warning: Using plain integer as NULL pointer
Avoid this warning by using NULL to instead of 0 to set the sq tls_key
pointer.
Fixes: fa2e0f8bbc68 ("nvmet-tcp: support secure channel concatenation")
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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When rapidly rescanning for new namespaces nvme_mpath_add_sysfs_link() may be
called for a block device not added to sysfs. But NVME_NS_SYSFS_ATTR_LINK
had already been set, so when checking this device a second time we will fail
to create the link.
Fix this by exchanging the order of the block device check and the
NVME_NS_SYSFS_ATTR_LINK bit check.
Fixes: 4dbd2b2ebe4c ("nvme-multipath: Add visibility for round-robin io-policy")
Signed-off-by: Hannes Reinecke <hare@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>**
Reviewed-by: Nilay Shroff <nilay@linux.ibm.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Commit 62baf70c3274 caused the ANA log page to be re-read, even on
controllers that do not support ANA. While this should generally
harmless, some controllers hang on the unsupported log page and
never finish probing.
Fixes: 62baf70c3274 ("nvme: re-read ANA log page after ns scan completes")
Signed-off-by: Hannes Reinecke <hare@kernel.org>
Tested-by: Srikanth Aithal <sraithal@amd.com>
[hch: more detailed commit message]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
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The CONFIG_BLK_DEV_UBLK help text suggests setting the config option to
Y so task_work_add() can be used to dispatch I/O, improving performance.
However, this mechanism was removed in commit 29dc5d06613f2 ("ublk: kill
queuing request by task_work_add"). So remove this paragraph from the
config help text.
Signed-off-by: Caleb Sander Mateos <csander@purestorage.com>
Reviewed-by: Uday Shankar <ushankar@purestorage.com>
Link: https://lore.kernel.org/r/20250416004111.3242817-1-csander@purestorage.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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vfs_iter_{read,write} always perform direct I/O when the file has the
O_DIRECT flag set, which breaks disabling direct I/O using the
LOOP_SET_STATUS / LOOP_SET_STATUS64 ioctls.
This was recenly reported as a regression, but as far as I can tell
was only uncovered by better checking for block sizes and has been
around since the direct I/O support was added.
Fix this by using the existing aio code that calls the raw read/write
iter methods instead. Note that despite the comments there is no need
for block drivers to ever call flush_dcache_page themselves, and the
call is a left-over from prehistoric times.
Fixes: ab1cb278bc70 ("block: loop: introduce ioctl command of LOOP_SET_DIRECT_IO")
Reported-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Tested-by: Darrick J. Wong <djwong@kernel.org>
Link: https://lore.kernel.org/r/20250409130940.3685677-1-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Remove the suppression of the uevents before scanning for partitions.
The partitions inherit their suppression settings from their parent device,
which lead to the uevents being dropped.
This is similar to the same changes for LOOP_CONFIGURE done in
commit bb430b694226 ("loop: LOOP_CONFIGURE: send uevents for partitions").
Fixes: 498ef5c777d9 ("loop: suppress uevents while reconfiguring the device")
Cc: stable@vger.kernel.org
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20250415-loop-uevent-changed-v3-1-60ff69ac6088@linutronix.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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The original commit message and the wording "uncork" in the code comment
indicate that it is expected that the suppressed event instances are
automatically sent after unsuppressing.
This is not the case, instead they are discarded.
In effect this means that no "changed" events are emitted on the device
itself by default.
While each discovered partition does trigger a changed event on the
device, devices without partitions don't have any event emitted.
This makes udev miss the device creation and prompted workarounds in
userspace. See the linked util-linux/losetup bug.
Explicitly emit the events and drop the confusingly worded comments.
Link: https://github.com/util-linux/util-linux/issues/2434
Fixes: 498ef5c777d9 ("loop: suppress uevents while reconfiguring the device")
Cc: stable@vger.kernel.org
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Link: https://lore.kernel.org/r/20250415-loop-uevent-changed-v2-1-0c4e6a923b2a@linutronix.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Set cmd->iocb.ki_ioprio to the ioprio of loop device's request.
The purpose is to inherit the original request ioprio in the aio
flow.
Signed-off-by: Yunlong Xing <yunlong.xing@unisoc.com>
Signed-off-by: Zhiguo Niu <zhiguo.niu@unisoc.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20250414030159.501180-1-yunlong.xing@unisoc.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux
Pull pwm fixes from Uwe Kleine-König:
"A set of fixes for pwm core and various drivers
The first three patches handle clk_get_rate() returning 0 (which might
happen for example if the CCF is disabled). The first of these was
found because this triggered a warning with clang, the two others by
looking for similar issues in other drivers.
The remaining three fixes address issues in the new waveform pwm API.
Now that I worked on this a bit more, the finer details and corner
cases are better understood and the code is fixed accordingly"
* tag 'pwm/for-6.15-rc2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux:
pwm: axi-pwmgen: Let .round_waveform_tohw() signal when request was rounded up
pwm: stm32: Search an appropriate duty_cycle if period cannot be modified
pwm: Let pwm_set_waveform() succeed even if lowlevel driver rounded up
pwm: fsl-ftm: Handle clk_get_rate() returning 0
pwm: rcar: Improve register calculation
pwm: mediatek: Prevent divide-by-zero in pwm_mediatek_config()
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git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull pci fix from Bjorn Helgaas:
- Run quirk_huawei_pcie_sva() before arm_smmu_probe_device(), which
depends on the quirk, to avoid IOMMU initialization failures
(Zhangfei Gao)
* tag 'pci-v6.15-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci:
PCI: Run quirk_huawei_pcie_sva() before arm_smmu_probe_device()
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quirk_huawei_pcie_sva() sets properties needed by arm_smmu_probe_device(),
but bcb81ac6ae3c ("iommu: Get DT/ACPI parsing into the proper probe path")
changed the iommu_probe_device() flow so arm_smmu_probe_device() is now
invoked before the quirk, leading to failures like this:
reg-dummy reg-dummy: late IOMMU probe at driver bind, something fishy here!
WARNING: CPU: 0 PID: 1 at drivers/iommu/iommu.c:449 __iommu_probe_device+0x140/0x570
RIP: 0010:__iommu_probe_device+0x140/0x570
The SR-IOV enumeration ordering changes like this:
pci_iov_add_virtfn
pci_device_add
pci_fixup_device(pci_fixup_header) <--
device_add
bus_notify
iommu_bus_notifier
+ iommu_probe_device
+ arm_smmu_probe_device
pci_bus_add_device
pci_fixup_device(pci_fixup_final) <--
device_attach
driver_probe_device
really_probe
pci_dma_configure
acpi_dma_configure_id
- iommu_probe_device
- arm_smmu_probe_device
The non-SR-IOV case is similar in that pci_device_add() is called from
pci_scan_single_device() in the generic enumeration path and
pci_bus_add_device() is called later, after all host bridges have been
enumerated.
Declare quirk_huawei_pcie_sva() as a header fixup to ensure that it happens
before arm_smmu_probe_device().
Fixes: bcb81ac6ae3c ("iommu: Get DT/ACPI parsing into the proper probe path")
Reported-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
Closes: https://lore.kernel.org/all/SJ1PR11MB61295DE21A1184AEE0786E25B9D22@SJ1PR11MB6129.namprd11.prod.outlook.com/
Signed-off-by: Zhangfei Gao <zhangfei.gao@linaro.org>
[bhelgaas: commit log, add failure info and reporter]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://patch.msgid.link/20250317011352.5806-1-zhangfei.gao@linaro.org
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A couple of cleanups for the error handling in the Freescale drivers"
* tag 'spi-fix-v6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: fsl-spi: Remove redundant probe error message
spi: fsl-qspi: Fix double cleanup in probe error path
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git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux
Pull ata fixes from Damien Le Moal:
- Fix missing error checks during controller probe in the sata_sx4
driver (Wentao)
- Fix missing error checks during controller probe in the pata_pxa
driver (Henry)
* tag 'ata-6.15-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux:
ata: sata_sx4: Add error handling in pdc20621_i2c_read()
ata: pata_pxa: Fix potential NULL pointer dereference in pxa_ata_probe()
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Pull more block fixes from Jens Axboe:
"Apparently my internal clock was off, or perhaps it was just wishful
thinking, but I sent out block fixes yesterday as my brain assumed it
was Friday. Subsequently, that missed the NVMe fixes that should go
into this weeks release as well. Hence, here's a followup with those,
and another simple fix.
- NVMe pull request via Christoph:
- nvmet fc/fcloop refcounting fixes (Daniel Wagner)
- fix missed namespace/ANA scans (Hannes Reinecke)
- fix a use after free in the new TCP netns support (Kuniyuki
Iwashima)
- fix a NULL instead of false review in multipath (Uday Shankar)
- Use strscpy() for null_blk disk name copy"
* tag 'block-6.15-20250411' of git://git.kernel.dk/linux:
null_blk: Use strscpy() instead of strscpy_pad() in null_add_dev()
nvmet-fc: put ref when assoc->del_work is already scheduled
nvmet-fc: take tgtport reference only once
nvmet-fc: update tgtport ref per assoc
nvmet-fc: inline nvmet_fc_free_hostport
nvmet-fc: inline nvmet_fc_delete_assoc
nvmet-fcloop: add ref counting to lport
nvmet-fcloop: replace kref with refcount
nvmet-fcloop: swap list_add_tail arguments
nvme-tcp: fix use-after-free of netns by kernel TCP socket.
nvme: multipath: fix return value of nvme_available_path
nvme: re-read ANA log page after ns scan completes
nvme: requeue namespace scan on missed AENs
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git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux
Pull iommu fixes from Joerg Roedel:
- Fix two crashes, one in core code and a NULL-ptr dereference in the
Mediatek IOMMU driver
- Dma_ops cleanup fix for core code
- Two fixes for Intel VT-d driver:
- Fix posted MSI issue when users change cpu affinity
- Remove invalid set_dma_ops() call in the iommu driver
- Warning fix for Tegra IOMMU driver
- Suspend/Resume fix for Exynos IOMMU driver
- Probe failure fix for Renesas IOMMU driver
- Cosmetic fix
* tag 'iommu-fixes-v6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux:
iommu/tegra241-cmdqv: Fix warnings due to dmam_free_coherent()
iommu: remove unneeded semicolon
iommu/mediatek: Fix NULL pointer deference in mtk_iommu_device_group
iommu/exynos: Fix suspend/resume with IDENTITY domain
iommu/ipmmu-vmsa: Register in a sensible order
iommu: Clear iommu-dma ops on cleanup
iommu/vt-d: Remove an unnecessary call set_dma_ops()
iommu/vt-d: Wire up irq_ack() to irq_move_irq() for posted MSIs
iommu: Fix crash in report_iommu_fault()
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These fix a recent regression in the ACPI button driver, add quirks
related to EC wakeups from suspend-to-idle and fix coding mistakes
related to the usage of sizeof() in the PPTT parser code:
Summary:
- Add suspend-to-idle EC wakeup quirks for Lenovo Go S (Mario
Limonciello)
- Prevent ACPI button from sending spurions KEY_POWER events to user
space in some cases after a recent update (Mario Limonciello)
- Compute the size of a structure instead of the size of a pointer in
two places in the PPTT parser code (Jean-Marc Eurin)"
* tag 'acpi-6.15-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI PPTT: Fix coding mistakes in a couple of sizeof() calls
ACPI: EC: Set ec_no_wakeup for Lenovo Go S
ACPI: button: Only send `KEY_POWER` for `ACPI_BUTTON_NOTIFY_STATUS`
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Heiko Carstens:
"Note that besides two bug fixes this includes three commits for IBM
z17, which was announced this week.
- Add IBM z17 bits:
- Setup elf_platform for new machine types
- Allow to compile the kernel with z17 optimizations
- Add new performance counters
- Fix mismatch between indicator bits and queue indexes in virtio CCW code
- Fix double free in pmu setup error path"
* tag 's390-6.15-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/cpumf: Fix double free on error in cpumf_pmu_event_init()
s390/cpumf: Update CPU Measurement facility extended counter set support
s390: Allow to compile with z17 optimizations
s390: Add z17 elf platform
s390/virtio_ccw: Don't allocate/assign airqs for non-existing queues
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Merge updates of the ACPI EC and button drivers for 6.15-rc2:
- Add suspend-to-idle EC wakeup quirks for Lenovo Go S (Mario
Limonciello).
- Prevent ACPI button from sending spurions KEY_POWER events to user
space in some cases after a recent update (Mario Limonciello).
* acpi-ec:
ACPI: EC: Set ec_no_wakeup for Lenovo Go S
* acpi-button:
ACPI: button: Only send `KEY_POWER` for `ACPI_BUTTON_NOTIFY_STATUS`
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blk_mq_alloc_disk() already zero-initializes the destination buffer,
making strscpy() sufficient for safely copying the disk's name. The
additional NUL-padding performed by strscpy_pad() is unnecessary.
If the destination buffer has a fixed length, strscpy() automatically
determines its size using sizeof() when the argument is omitted. This
makes the explicit size argument unnecessary.
The source string is also NUL-terminated and meets the __must_be_cstr()
requirement of strscpy().
No functional changes intended.
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Reviewed-by: Zhu Yanjun <yanjun.zhu@linux.dev>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Link: https://lore.kernel.org/r/20250410154727.883207-1-thorsten.blum@linux.dev
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Two WARNINGs are observed when SMMU driver rolls back upon failure:
arm-smmu-v3.9.auto: Failed to register iommu
arm-smmu-v3.9.auto: probe with driver arm-smmu-v3 failed with error -22
------------[ cut here ]------------
WARNING: CPU: 5 PID: 1 at kernel/dma/mapping.c:74 dmam_free_coherent+0xc0/0xd8
Call trace:
dmam_free_coherent+0xc0/0xd8 (P)
tegra241_vintf_free_lvcmdq+0x74/0x188
tegra241_cmdqv_remove_vintf+0x60/0x148
tegra241_cmdqv_remove+0x48/0xc8
arm_smmu_impl_remove+0x28/0x60
devm_action_release+0x1c/0x40
------------[ cut here ]------------
128 pages are still in use!
WARNING: CPU: 16 PID: 1 at mm/page_alloc.c:6902 free_contig_range+0x18c/0x1c8
Call trace:
free_contig_range+0x18c/0x1c8 (P)
cma_release+0x154/0x2f0
dma_free_contiguous+0x38/0xa0
dma_direct_free+0x10c/0x248
dma_free_attrs+0x100/0x290
dmam_free_coherent+0x78/0xd8
tegra241_vintf_free_lvcmdq+0x74/0x160
tegra241_cmdqv_remove+0x98/0x198
arm_smmu_impl_remove+0x28/0x60
devm_action_release+0x1c/0x40
This is because the LVCMDQ queue memory are managed by devres, while that
dmam_free_coherent() is called in the context of devm_action_release().
Jason pointed out that "arm_smmu_impl_probe() has mis-ordered the devres
callbacks if ops->device_remove() is going to be manually freeing things
that probe allocated":
https://lore.kernel.org/linux-iommu/20250407174408.GB1722458@nvidia.com/
In fact, tegra241_cmdqv_init_structures() only allocates memory resources
which means any failure that it generates would be similar to -ENOMEM, so
there is no point in having that "falling back to standard SMMU" routine,
as the standard SMMU would likely fail to allocate memory too.
Remove the unwind part in tegra241_cmdqv_init_structures(), and return a
proper error code to ask SMMU driver to call tegra241_cmdqv_remove() via
impl_ops->device_remove(). Then, drop tegra241_vintf_free_lvcmdq() since
devres will take care of that.
Fixes: 483e0bd8883a ("iommu/tegra241-cmdqv: Do not allocate vcmdq until dma_set_mask_and_coherent")
Cc: stable@vger.kernel.org
Suggested-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20250407201908.172225-1-nicolinc@nvidia.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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cocci warnings:
drivers/iommu/dma-iommu.c:1788:2-3: Unneeded semicolon
so remove unneeded semicolon to fix cocci warnings.
Signed-off-by: Pei Xiao <xiaopei01@kylinos.cn>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/tencent_73EEE47E6ECCF538229C9B9E6A0272DA2B05@qq.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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Currently, mtk_iommu calls during probe iommu_device_register before
the hw_list from driver data is initialized. Since iommu probing issue
fix, it leads to NULL pointer dereference in mtk_iommu_device_group when
hw_list is accessed with list_first_entry (not null safe).
So, change the call order to ensure iommu_device_register is called
after the driver data are initialized.
Fixes: 9e3a2a643653 ("iommu/mediatek: Adapt sharing and non-sharing pgtable case")
Fixes: bcb81ac6ae3c ("iommu: Get DT/ACPI parsing into the proper probe path")
Reviewed-by: Yong Wu <yong.wu@mediatek.com>
Tested-by: Chen-Yu Tsai <wenst@chromium.org> # MT8183 Juniper, MT8186 Tentacruel
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Louis-Alexis Eyraud <louisalexis.eyraud@collabora.com>
Link: https://lore.kernel.org/r/20250403-fix-mtk-iommu-error-v2-1-fe8b18f8b0a8@collabora.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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Commit bcb81ac6ae3c ("iommu: Get DT/ACPI parsing into the proper probe
path") changed the sequence of probing the SYSMMU controller devices and
calls to arm_iommu_attach_device(), what results in resuming SYSMMU
controller earlier, when it is still set to IDENTITY mapping. Such change
revealed the bug in IDENTITY handling in the exynos-iommu driver. When
SYSMMU controller is set to IDENTITY mapping, data->domain is NULL, so
adjust checks in suspend & resume callbacks to handle this case
correctly.
Fixes: b3d14960e629 ("iommu/exynos: Implement an IDENTITY domain")
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Link: https://lore.kernel.org/r/20250401202731.2810474-1-m.szyprowski@samsung.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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IPMMU registers almost-initialised instances, but misses assigning the
drvdata to make them fully functional, so initial calls back into
ipmmu_probe_device() are likely to fail unnecessarily. Reorder this to
work as it should, also pruning the long-out-of-date comment and adding
the missing sysfs cleanup on error for good measure.
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Fixes: bcb81ac6ae3c ("iommu: Get DT/ACPI parsing into the proper probe path")
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/53be6667544de65a15415b699e38a9a965692e45.1742481687.git.robin.murphy@arm.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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If iommu_device_register() encounters an error, it can end up tearing
down already-configured groups and default domains, however this
currently still leaves devices hooked up to iommu-dma (and even
historically the behaviour in this area was at best inconsistent across
architectures/drivers...) Although in the case that an IOMMU is present
whose driver has failed to probe, users cannot necessarily expect DMA to
work anyway, it's still arguable that we should do our best to put
things back as if the IOMMU driver was never there at all, and certainly
the potential for crashing in iommu-dma itself is undesirable. Make sure
we clean up the dev->dma_iommu flag along with everything else.
Reported-by: Chen-Yu Tsai <wenst@chromium.org>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Closes: https://lore.kernel.org/all/CAGXv+5HJpTYmQ2h-GD7GjyeYT7bL9EBCvu0mz5LgpzJZtzfW0w@mail.gmail.com/
Tested-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/e788aa927f6d827dd4ea1ed608fada79f2bab030.1744284228.git.robin.murphy@arm.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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Do not touch per-device DMA ops when the driver has been converted to use
the dma-iommu API.
Fixes: c588072bba6b ("iommu/vt-d: Convert intel iommu driver to the iommu ops")
Signed-off-by: Petr Tesarik <ptesarik@suse.com>
Link: https://lore.kernel.org/r/20250403165605.278541-1-ptesarik@suse.com
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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Set the posted MSI irq_chip's irq_ack() hook to irq_move_irq() instead of
a dummy/empty callback so that posted MSIs process pending changes to the
IRQ's SMP affinity. Failure to honor a pending set-affinity results in
userspace being unable to change the effective affinity of the IRQ, as
IRQD_SETAFFINITY_PENDING is never cleared and so irq_set_affinity_locked()
always defers moving the IRQ.
The issue is most easily reproducible by setting /proc/irq/xx/smp_affinity
multiple times in quick succession, as only the first update is likely to
be handled in process context.
Fixes: ed1e48ea4370 ("iommu/vt-d: Enable posted mode for device MSIs")
Cc: Robert Lippert <rlippert@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Reported-by: Wentao Yang <wentaoyang@google.com>
Cc: stable@vger.kernel.org
Signed-off-by: Sean Christopherson <seanjc@google.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20250321194249.1217961-1-seanjc@google.com
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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The following crash is observed while handling an IOMMU fault with a
recent kernel:
kernel tried to execute NX-protected page - exploit attempt? (uid: 0)
BUG: unable to handle page fault for address: ffff8c708299f700
PGD 19ee01067 P4D 19ee01067 PUD 101c10063 PMD 80000001028001e3
Oops: Oops: 0011 [#1] SMP NOPTI
CPU: 4 UID: 0 PID: 139 Comm: irq/25-AMD-Vi Not tainted 6.15.0-rc1+ #20 PREEMPT(lazy)
Hardware name: LENOVO 21D0/LNVNB161216, BIOS J6CN50WW 09/27/2024
RIP: 0010:0xffff8c708299f700
Call Trace:
<TASK>
? report_iommu_fault+0x78/0xd3
? amd_iommu_report_page_fault+0x91/0x150
? amd_iommu_int_thread+0x77/0x180
? __pfx_irq_thread_fn+0x10/0x10
? irq_thread_fn+0x23/0x60
? irq_thread+0xf9/0x1e0
? __pfx_irq_thread_dtor+0x10/0x10
? __pfx_irq_thread+0x10/0x10
? kthread+0xfc/0x240
? __pfx_kthread+0x10/0x10
? ret_from_fork+0x34/0x50
? __pfx_kthread+0x10/0x10
? ret_from_fork_asm+0x1a/0x30
</TASK>
report_iommu_fault() checks for an installed handler comparing the
corresponding field to NULL. It can (and could before) be called for a
domain with a different cookie type - IOMMU_COOKIE_DMA_IOVA, specifically.
Cookie is represented as a union so we may end up with a garbage value
treated there if this happens for a domain with another cookie type.
Formerly there were two exclusive cookie types in the union.
IOMMU_DOMAIN_SVA has a dedicated iommu_report_device_fault().
Call the fault handler only if the passed domain has a required cookie
type.
Found by Linux Verification Center (linuxtesting.org).
Fixes: 6aa63a4ec947 ("iommu: Sort out domain user data")
Signed-off-by: Fedor Pchelkin <pchelkin@ispras.ru>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20250408213342.285955-1-pchelkin@ispras.ru
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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Pull drm fixes from Dave Airlie:
"Weekly fixes, as expected it has a bit more in it than probably usual
for rc2. amdgpu/xe/i915 lead the way with fixes all over for a bunch
of other drivers. Nothing major stands out from what I can see.
tests:
- Clean up struct drm_display_mode in various places
i915:
- Fix scanline offset for LNL+ and BMG+
- Fix GVT unterminated-string-initialization build warning
- Fix DP rate limit when sink doesn't support TPS4
- Handle GDDR + ECC memory type detection
- Fix VRR parameter change check
- Fix fence not released on early probe errors
- Disable render power gating during live selftests
xe:
- Add another BMG PCI ID
- Fix UAFs on migration paths
- Fix shift-out-of-bounds access on TLB invalidation
- Ensure ccs_mode is correctly set on gt reset
- Extend some HW workarounds to Xe3
- Fix PM runtime get/put on sysfs files
- Fix u64 division on 32b
- Fix flickering due to missing L3 invalidations
- Fix missing error code return
amdgpu:
- MES FW version caching fixes
- Only use GTT as a fallback if we already have a backing store
- dma_buf fix
- IP discovery fix
- Replay and PSR with VRR fix
- DC FP fixes
- eDP fixes
- KIQ TLB invalidate fix
- Enable dmem groups support
- Allow pinning VRAM dma bufs if imports can do P2P
- Workload profile fixes
- Prevent possible division by 0 in fan handling
amdkfd:
- Queue reset fixes
imagination:
- Fix overflow
- Fix use-after-free
ivpu:
- Fix suspend/resume
nouveau:
- Do not deref dangling pointer
rockchip:
- Set DP/HDMI registers correctly
udmabuf:
- Fix overflow
virtgpu:
- Set reservation lock on dma-buf import
- Fix error handling in prepare_fb"
* tag 'drm-fixes-2025-04-11-1' of https://gitlab.freedesktop.org/drm/kernel: (58 commits)
drm/rockchip: dw_hdmi_qp: Fix io init for dw_hdmi_qp_rockchip_resume
drm/rockchip: vop2: Fix interface enable/mux setting of DP1 on rk3588
drm/amdgpu/mes12: optimize MES pipe FW version fetching
drm/amd/pm/smu11: Prevent division by zero
drm/amdgpu: cancel gfx idle work in device suspend for s0ix
drm/amd/display: pause the workload setting in dm
drm/amdgpu/pm/swsmu: implement pause workload profile
drm/amdgpu/pm: add workload profile pause helper
drm/i915/huc: Fix fence not released on early probe errors
drm/i915/vrr: Add vrr.vsync_{start, end} in vrr_params_changed
drm/tests: probe-helper: Fix drm_display_mode memory leak
drm/tests: modes: Fix drm_display_mode memory leak
drm/tests: modes: Fix drm_display_mode memory leak
drm/tests: cmdline: Fix drm_display_mode memory leak
drm/tests: modeset: Fix drm_display_mode memory leak
drm/tests: modeset: Fix drm_display_mode memory leak
drm/tests: helpers: Create kunit helper to destroy a drm_display_mode
drm/xe: Restore EIO errno return when GuC PC start fails
drm/xe: Invalidate L3 read-only cachelines for geometry streams too
drm/xe: avoid plain 64-bit division
...
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|
https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes
Driver Changes:
- Add another BMG PCI ID
- Fix UAFs on migration paths
- Fix shift-out-of-bounds access on TLB invalidation
- Ensure ccs_mode is correctly set on gt reset
- Extend some HW workarounds to Xe3
- Fix PM runtime get/put on sysfs files
- Fix u64 division on 32b
- Fix flickering due to missing L3 invalidations
- Fix missing error code return
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://lore.kernel.org/r/unq5j26aejbrjz5nuvmdtcgupyix5bacpoahod4bdohlvwrney@kekimsi5ossx
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|
https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes
Short summary of fixes pull:
imagination:
- Fix overflow
- Fix use-after-free
ivpu:
- Fix suspend/resume
nouveau:
- Do not deref dangling pointer
rockchip:
- Set DP/HDMI registers correctly
tests:
- Clean up struct drm_display_mode in various places
udmabuf:
- Fix overflow
virtgpu:
- Set reservation lock on dma-buf import
- Fix error handling in prepare_fb
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://lore.kernel.org/r/20250410122414.GA32202@2a02-2454-fd5e-fd00-d686-8907-6053-f8d8.dyn6.pyur.net
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|
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc irqchip fixes from Ingo Molnar:
- Fix NULL pointer dereference crashes due to missing .chip_flags setup
in the sg2042-msi and irq-bcm2712-mip irqchip drivers
- Remove the davinci aintc irqchip driver's leftover header too
* tag 'irq-urgent-2025-04-10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/irq-bcm2712-mip: Set EOI/ACK flags in msi_parent_ops
irqchip/sg2042-msi: Add missing chip flags
irqchip/davinci: Remove leftover header
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|
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from netfilter.
Current release - regressions:
- core: hold instance lock during NETDEV_CHANGE
- rtnetlink: fix bad unlock balance in do_setlink()
- ipv6:
- fix null-ptr-deref in addrconf_add_ifaddr()
- align behavior across nexthops during path selection
Previous releases - regressions:
- sctp: prevent transport UaF in sendmsg
- mptcp: only inc MPJoinAckHMacFailure for HMAC failures
Previous releases - always broken:
- sched:
- make ->qlen_notify() idempotent
- ensure sufficient space when sending filter netlink notifications
- sch_sfq: really don't allow 1 packet limit
- netfilter: fix incorrect avx2 match of 5th field octet
- tls: explicitly disallow disconnect
- eth: octeontx2-pf: fix VF root node parent queue priority"
* tag 'net-6.15-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (38 commits)
ethtool: cmis_cdb: Fix incorrect read / write length extension
selftests: netfilter: add test case for recent mismatch bug
nft_set_pipapo: fix incorrect avx2 match of 5th field octet
net: ppp: Add bound checking for skb data on ppp_sync_txmung
net: Fix null-ptr-deref by sock_lock_init_class_and_name() and rmmod.
ipv6: Align behavior across nexthops during path selection
net: phy: allow MDIO bus PM ops to start/stop state machine for phylink-controlled PHY
net: phy: move phy_link_change() prior to mdio_bus_phy_may_suspend()
selftests/tc-testing: sfq: check that a derived limit of 1 is rejected
net_sched: sch_sfq: move the limit validation
net_sched: sch_sfq: use a temporary work area for validating configuration
net: libwx: handle page_pool_dev_alloc_pages error
selftests: mptcp: validate MPJoin HMacFailure counters
mptcp: only inc MPJoinAckHMacFailure for HMAC failures
rtnetlink: Fix bad unlock balance in do_setlink().
net: ethtool: Don't call .cleanup_data when prepare_data fails
tc: Ensure we have enough buffer space when sending filter netlink notifications
net: libwx: Fix the wrong Rx descriptor field
octeontx2-pf: qos: fix VF root node parent queue index
selftests: tls: check that disconnect does nothing
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