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INVALID_IOASID and IOMMU_PASID_INVALID are duplicated. Rename
INVALID_IOASID and consolidate since we are moving away from IOASID
infrastructure.
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Link: https://lore.kernel.org/r/20230322200803.869130-7-jacob.jun.pan@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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We’re not using spinlock-protected IOASID allocation anymore, there’s
no need for GFP_ATOMIC.
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Link: https://lore.kernel.org/r/20230322200803.869130-6-jacob.jun.pan@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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Instead SVA drivers can use a simple global IDA to allocate PASIDs for
each mm_struct.
Future work would be to allow drivers using the SVA APIs to reserve global
PASIDs from this IDA for their internal use, eg with the DMA API PASID
support.
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/20230322200803.869130-5-jacob.jun.pan@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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There is no user of iommu_sva_find() function, remove it so that PASID
allocator can be a simple IDA. Device drivers are expected to store
and keep track of their own PASID metadata.
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Jason Gunthorpe<jgg@nvidia.com>
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/20230322200803.869130-4-jacob.jun.pan@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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Preparing to remove IOASID infrastructure, PASID management will be
under SVA code. Decouple mm code from IOASID.
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/20230322200803.869130-3-jacob.jun.pan@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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Virtual command interface was introduced to allow using host PASIDs
inside VMs. It is unused and abandoned due to architectural change.
With this patch, we can safely remove this feature and the related helpers.
Link: https://lore.kernel.org/r/20230210230206.3160144-2-jacob.jun.pan@linux.intel.com
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/20230322200803.869130-2-jacob.jun.pan@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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Use sysfs_emit() instead of the sprintf() for sysfs entries. sysfs_emit()
knows the maximum of the temporary buffer used for outputting sysfs
content and avoids overrunning the buffer length.
Prefer 'long long' over 'long long int' as suggested by checkpatch.pl.
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20230322123421.278852-1-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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As the singleton group limitation has been removed, cleanup the code
in iommu_change_dev_def_domain() accordingly.
Documentation is also updated.
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20230322064956.263419-7-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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device_lock() was used in iommu_group_store_type() to prevent the
devices in an iommu group from being attached by any device driver.
On the other hand, in order to avoid lock race between group->mutex
and device_lock(), it limited the usage scenario to the singleton
groups.
We already have the DMA ownership scheme to avoid driver attachment
and group->mutex ensures that device ops are always valid, there's
no need for device_lock() anymore. Remove device_lock() and the
singleton group limitation.
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20230322064956.263419-6-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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The intention is to make it possible to put group ownership check and
default domain change in a same critical region protected by the group's
mutex lock. No intentional functional change.
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20230322064956.263419-5-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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In a non-driver context, it is crucial to ensure the consistency of a
device's iommu ops. Otherwise, it may result in a situation where a
device is released but it's iommu ops are still used.
Put the ops->release_device and __iommu_group_remove_device() in a same
group->mutext critical region, so that, as long as group->mutex is held
and the device is in its group's device list, its iommu ops are always
consistent. Add check of group ownership if the released device is the
last one.
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20230322064956.263419-4-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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So that code could be re-used by iommu_release_device() in the subsequent
change. No intention for functionality change.
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20230322064956.263419-3-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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In the iommu driver's release_device operation, the driver should detach
the device from any attached domain and release the resources allocated
in the probe_device and probe_finalize paths.
Replace arm_iommu_detach_device() with arm_iommu_release_mapping() in the
release path of the ipmmu-vmsa driver. The device_release callback is
called in device_del(), this device is not coming back. Zeroing out
pointers and testing for a condition which cannot be true by construction
is simply a waste of time and code.
The bonus is that it also removes a obstacle of arm_iommu_detach_device()
re-entering the iommu core during release_device. With this removed, the
iommu core code could be simplified a lot.
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Suggested-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/linux-iommu/7b248ba1-3967-5cd8-82e9-0268c706d320@arm.com/
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20230322064956.263419-2-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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It is preferred to use typed property access functions (i.e.
of_property_read_<type> functions) rather than low-level
of_get_property/of_find_property functions for reading properties. As
part of this, convert of_get_property/of_find_property calls to the
recently added of_property_present() helper when we just want to test
for presence of a property and nothing more.
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/20230310144709.1542910-1-robh@kernel.org
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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Fix misspellings of "cmpxchg64"
Fixes: d286a58bc8f4d5cf ("iommu: Tidy up io-pgtable dependencies")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/eab156858147249d44463662eb9192202c39ab9f.1678295792.git.geert+renesas@glider.be
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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Since commit ee6d3dd4ed48 ("driver core: make kobj_type constant.")
the driver core allows the usage of const struct kobj_type.
Take advantage of this to constify the structure definition to prevent
modification at runtime.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20230214-kobj_type-iommu-v1-1-e7392834b9d0@weissschuh.net
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing fixes from Steven Rostedt:
- Fix setting affinity of hwlat threads in containers
Using sched_set_affinity() has unwanted side effects when being
called within a container. Use set_cpus_allowed_ptr() instead
- Fix per cpu thread management of the hwlat tracer:
- Do not start per_cpu threads if one is already running for the CPU
- When starting per_cpu threads, do not clear the kthread variable
as it may already be set to running per cpu threads
- Fix return value for test_gen_kprobe_cmd()
On error the return value was overwritten by being set to the result
of the call from kprobe_event_delete(), which would likely succeed,
and thus have the function return success
- Fix splice() reads from the trace file that was broken by commit
36e2c7421f02 ("fs: don't allow splice read/write without explicit
ops")
- Remove obsolete and confusing comment in ring_buffer.c
The original design of the ring buffer used struct page flags for
tricks to optimize, which was shortly removed due to them being
tricks. But a comment for those tricks remained
- Set local functions and variables to static
* tag 'trace-v6.3-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tracing/hwlat: Replace sched_setaffinity with set_cpus_allowed_ptr
ring-buffer: remove obsolete comment for free_buffer_page()
tracing: Make splice_read available again
ftrace: Set direct_ops storage-class-specifier to static
trace/hwlat: Do not start per-cpu thread if it is already running
trace/hwlat: Do not wipe the contents of per-cpu thread data
tracing/osnoise: set several trace_osnoise.c variables storage-class-specifier to static
tracing: Fix wrong return in kprobe_event_gen_test.c
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There is a problem with the behavior of hwlat in a container,
resulting in incorrect output. A warning message is generated:
"cpumask changed while in round-robin mode, switching to mode none",
and the tracing_cpumask is ignored. This issue arises because
the kernel thread, hwlatd, is not a part of the container, and
the function sched_setaffinity is unable to locate it using its PID.
Additionally, the task_struct of hwlatd is already known.
Ultimately, the function set_cpus_allowed_ptr achieves
the same outcome as sched_setaffinity, but employs task_struct
instead of PID.
Test case:
# cd /sys/kernel/tracing
# echo 0 > tracing_on
# echo round-robin > hwlat_detector/mode
# echo hwlat > current_tracer
# unshare --fork --pid bash -c 'echo 1 > tracing_on'
# dmesg -c
Actual behavior:
[573502.809060] hwlat_detector: cpumask changed while in round-robin mode, switching to mode none
Link: https://lore.kernel.org/linux-trace-kernel/20230316144535.1004952-1-costa.shul@redhat.com
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Fixes: 0330f7aa8ee63 ("tracing: Have hwlat trace migrate across tracing_cpumask CPUs")
Signed-off-by: Costa Shulyupin <costa.shul@redhat.com>
Acked-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
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The comment refers to mm/slob.c which is being removed. It comes from
commit ed56829cb319 ("ring_buffer: reset buffer page when freeing") and
according to Steven the borrowed code was a page mapcount and mapping
reset, which was later removed by commit e4c2ce82ca27 ("ring_buffer:
allocate buffer page pointer"). Thus the comment is not accurate anyway,
remove it.
Link: https://lore.kernel.org/linux-trace-kernel/20230315142446.27040-1-vbabka@suse.cz
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Ingo Molnar <mingo@elte.hu>
Reported-by: Mike Rapoport <mike.rapoport@gmail.com>
Suggested-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Fixes: e4c2ce82ca27 ("ring_buffer: allocate buffer page pointer")
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: Mukesh Ojha <quic_mojha@quicinc.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
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Since the commit 36e2c7421f02 ("fs: don't allow splice read/write
without explicit ops") is applied to the kernel, splice() and
sendfile() calls on the trace file (/sys/kernel/debug/tracing
/trace) return EINVAL.
This patch restores these system calls by initializing splice_read
in file_operations of the trace file. This patch only enables such
functionalities for the read case.
Link: https://lore.kernel.org/linux-trace-kernel/20230314013707.28814-1-sfoon.kim@samsung.com
Cc: stable@vger.kernel.org
Fixes: 36e2c7421f02 ("fs: don't allow splice read/write without explicit ops")
Signed-off-by: Sung-hun Kim <sfoon.kim@samsung.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver fixes from Greg KH:
"Here are some small tty and serial driver fixes for 6.3-rc3 to resolve
some reported issues.
They include:
- 8250 driver Kconfig issue pointed out by you that showed up in -rc1
- qcom-geni serial driver fixes
- various 8250 driver fixes for reported problems
- fsl_lpuart driver fixes
- serdev fix for regression in -rc1
- vt.c bugfix
All have been in linux-next for over a week with no reported problems"
* tag 'tty-6.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
tty: vt: protect KD_FONT_OP_GET_TALL from unbound access
serial: qcom-geni: drop bogus uart_write_wakeup()
serial: qcom-geni: fix mapping of empty DMA buffer
serial: qcom-geni: fix DMA mapping leak on shutdown
serial: qcom-geni: fix console shutdown hang
serdev: Set fwnode for serdev devices
tty: serial: fsl_lpuart: fix race on RX DMA shutdown
serial: 8250_pci1xxxx: Disable SERIAL_8250_PCI1XXXX config by default
serial: 8250_fsl: fix handle_irq locking
serial: 8250_em: Fix UART port type
serial: 8250: ASPEED_VUART: select REGMAP instead of depending on it
tty: serial: fsl_lpuart: skip waiting for transmission complete when UARTCTRL_SBK is asserted
Revert "tty: serial: fsl_lpuart: adjust SERIAL_FSL_LPUART_CONSOLE config dependency"
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are a few small char/misc/other driver subsystem patches to
resolve reported problems for 6.3-rc3.
Included in here are:
- Interconnect driver fixes for reported problems
- Memory driver fixes for reported problems
- nvmem core fix
- firmware driver fix for reported problem
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-6.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (23 commits)
memory: tegra30-emc: fix interconnect registration race
memory: tegra20-emc: fix interconnect registration race
memory: tegra124-emc: fix interconnect registration race
memory: tegra: fix interconnect registration race
interconnect: exynos: drop redundant link destroy
interconnect: exynos: fix registration race
interconnect: exynos: fix node leak in probe PM QoS error path
interconnect: qcom: msm8974: fix registration race
interconnect: qcom: rpmh: fix registration race
interconnect: qcom: rpmh: fix probe child-node error handling
interconnect: qcom: rpm: fix registration race
nvmem: core: return -ENOENT if nvmem cell is not found
firmware: xilinx: don't make a sleepable memory allocation from an atomic context
interconnect: qcom: rpm: fix probe child-node error handling
interconnect: qcom: osm-l3: fix registration race
interconnect: imx: fix registration race
interconnect: fix provider registration API
interconnect: fix icc_provider_del() error handling
interconnect: fix mem leak when freeing nodes
interconnect: qcom: qcm2290: Fix MASTER_SNOC_BIMC_NRT
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RAS fix from Borislav Petkov:
- Flush out logged errors immediately after MCA banks configuration
changes over sysfs have been done instead of waiting until something
else triggers the workqueue later - another error or the polling
interval cycle is reached
* tag 'ras_urgent_for_v6.3_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mce: Make sure logged MCEs are processed after sysfs update
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Borislav Petkov:
- Check whether sibling events have been deactivated before adding them
to groups
- Update the proper event time tracking variable depending on the event
type
- Fix a memory overwrite issue due to using the wrong function argument
when outputting perf events
* tag 'perf_urgent_for_v6.3_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf: Fix check before add_event_to_groups() in perf_group_detach()
perf: fix perf_event_context->time
perf/core: Fix perf_output_begin parameter is incorrectly invoked in perf_event_bpf_output
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
"There's a little bit more 'movement' in there for my taste but it
needs to happen and should make the code better after it.
- Check cmdline_find_option()'s return value before further
processing
- Clear temporary storage in the resctrl code to prevent access to an
unexistent MSR
- Add a simple throttling mechanism to protect the hypervisor from
potentially malicious SEV guests issuing requests in rapid
succession.
In order to not jeopardize the sanity of everyone involved in
maintaining this code, the request issuing side has received a
cleanup, split in more or less trivial, small and digestible
pieces. Otherwise, the code was threatening to become an
unmaintainable mess.
Therefore, that cleanup is marked indirectly also for stable so
that there's no differences between the upstream code and the
stable variant when it comes down to backporting more there"
* tag 'x86_urgent_for_v6.3_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mm: Fix use of uninitialized buffer in sme_enable()
x86/resctrl: Clear staged_config[] before and after it is used
virt/coco/sev-guest: Add throttling awareness
virt/coco/sev-guest: Convert the sw_exit_info_2 checking to a switch-case
virt/coco/sev-guest: Do some code style cleanups
virt/coco/sev-guest: Carve out the request issuing logic into a helper
virt/coco/sev-guest: Remove the disable_vmpck label in handle_guest_request()
virt/coco/sev-guest: Simplify extended guest request handling
virt/coco/sev-guest: Check SEV_SNP attribute at probe time
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 fix from Ted Ts'o:
"Fix a double unlock bug on an error path in ext4, found by smatch and
syzkaller"
* tag 'ext4_for_linus_urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: fix possible double unlock when moving a directory
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smatch reports this warning
kernel/trace/ftrace.c:2594:19: warning:
symbol 'direct_ops' was not declared. Should it be static?
The variable direct_ops is only used in ftrace.c, so it should be static
Link: https://lore.kernel.org/linux-trace-kernel/20230311135113.711824-1-trix@redhat.com
Signed-off-by: Tom Rix <trix@redhat.com>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
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The hwlatd tracer will end up starting multiple per-cpu threads with
the following script:
#!/bin/sh
cd /sys/kernel/debug/tracing
echo 0 > tracing_on
echo hwlat > current_tracer
echo per-cpu > hwlat_detector/mode
echo 100000 > hwlat_detector/width
echo 200000 > hwlat_detector/window
echo 1 > tracing_on
To fix the issue, check if the hwlatd thread for the cpu is already
running, before starting a new one. Along with the previous patch, this
avoids running multiple instances of the same CPU thread on the system.
Link: https://lore.kernel.org/all/20230302113654.2984709-1-tero.kristo@linux.intel.com/
Link: https://lkml.kernel.org/r/20230310100451.3948583-3-tero.kristo@linux.intel.com
Cc: stable@vger.kernel.org
Fixes: f46b16520a087 ("trace/hwlat: Implement the per-cpu mode")
Signed-off-by: Tero Kristo <tero.kristo@linux.intel.com>
Acked-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
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Do not wipe the contents of the per-cpu kthread data when starting the
tracer, as this will completely forget about already running instances
and can later start new additional per-cpu threads.
Link: https://lore.kernel.org/all/20230302113654.2984709-1-tero.kristo@linux.intel.com/
Link: https://lkml.kernel.org/r/20230310100451.3948583-2-tero.kristo@linux.intel.com
Cc: stable@vger.kernel.org
Fixes: f46b16520a087 ("trace/hwlat: Implement the per-cpu mode")
Signed-off-by: Tero Kristo <tero.kristo@linux.intel.com>
Acked-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
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storage-class-specifier to static
smatch reports several similar warnings
kernel/trace/trace_osnoise.c:220:1: warning:
symbol '__pcpu_scope_per_cpu_osnoise_var' was not declared. Should it be static?
kernel/trace/trace_osnoise.c:243:1: warning:
symbol '__pcpu_scope_per_cpu_timerlat_var' was not declared. Should it be static?
kernel/trace/trace_osnoise.c:335:14: warning:
symbol 'interface_lock' was not declared. Should it be static?
kernel/trace/trace_osnoise.c:2242:5: warning:
symbol 'timerlat_min_period' was not declared. Should it be static?
kernel/trace/trace_osnoise.c:2243:5: warning:
symbol 'timerlat_max_period' was not declared. Should it be static?
These variables are only used in trace_osnoise.c, so it should be static
Link: https://lore.kernel.org/linux-trace-kernel/20230309150414.4036764-1-trix@redhat.com
Signed-off-by: Tom Rix <trix@redhat.com>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Acked-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
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Overwriting the error code with the deletion result may cause the
function to return 0 despite encountering an error. Commit b111545d26c0
("tracing: Remove the useless value assignment in
test_create_synth_event()") solves a similar issue by
returning the original error code, so this patch does the same.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Link: https://lore.kernel.org/linux-trace-kernel/20230131075818.5322-1-aagusev@ispras.ru
Signed-off-by: Anton Gusev <aagusev@ispras.ru>
Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev
Pull fbdev fixes from Helge Deller:
"The majority of lines changed is due to a code style cleanup in the
pnmtologo helper program.
Arnd removed the omap1 osk driver and the SIS fb driver is now
orphaned.
Other than that it's the usual bunch of small fixes and cleanups, e.g.
prevent possible divide-by-zero in various fb drivers if the pixclock
is zero and various conversions to devm_platform*() and of_property*()
functions:
- Drop omap1 osk driver
- Various potential divide by zero pixclock fixes
- Add pixelclock and fb_check_var() to stifb
- Code style cleanups and indenting fixes"
* tag 'fbdev-for-6.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev:
fbdev: Use of_property_present() for testing DT property presence
fbdev: au1200fb: Fix potential divide by zero
fbdev: lxfb: Fix potential divide by zero
fbdev: intelfb: Fix potential divide by zero
fbdev: nvidia: Fix potential divide by zero
fbdev: stifb: Provide valid pixelclock and add fb_check_var() checks
fbdev: omapfb: remove omap1 osk driver
fbdev: xilinxfb: Use devm_platform_get_and_ioremap_resource()
fbdev: wm8505fb: Use devm_platform_ioremap_resource()
fbdev: pxa3xx-gcu: Use devm_platform_get_and_ioremap_resource()
fbdev: Use of_property_read_bool() for boolean properties
fbdev: clps711x-fb: Use devm_platform_get_and_ioremap_resource()
fbdev: tgafb: Fix potential divide by zero
MAINTAINERS: orphan SIS FRAMEBUFFER DRIVER
fbdev: omapfb: cleanup inconsistent indentation
drivers: video: logo: add SPDX comment, remove GPL notice in pnmtologo.c
drivers: video: logo: fix code style issues in pnmtologo.c
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git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada:
- Exclude kallsyms_seqs_of_names from kallsyms to fix build error
- Fix 'make kernelrelease' for external module builds
- Get the Debian source package compilable again
- Fix the wrong uname when Debian packages are built with the
KDEB_PKGVERSION option
- Fix superfluous CROSS_COMPILE when building Debian packages
- Fix RPM package build error when KCONFIG_CONFIG is set
- Use 'git archive' for creating source tarballs
- Remove the scripts/list-gitignored tool
* tag 'kbuild-fixes-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
kbuild: use git-archive for source package creation
kbuild: rpm-pkg: move source components to rpmbuild/SOURCES
kbuild: deb-pkg: use dh_listpackages to know enabled packages
kbuild: deb-pkg: split image and debug objects staging out into functions
kbuild: deb-pkg: set CROSS_COMPILE only when undefined
kbuild: deb-pkg: do not take KERNELRELEASE from the source version
kbuild: deb-pkg: make debian source package working again
Makefile: Make kernelrelease target work with M=
kconfig: Update config changed flag before calling callback
kallsyms: add kallsyms_seqs_of_names to list of special symbols
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
- ltc2992, adm1266: Set missing can_sleep flag
- tmp512/tmp513: Drop of_match_ptr for ID table to fix build with
!CONFIG_OF
- ucd90320: Fix back-to-back access problem
- ina3221: Fix bad error return from probe function
- xgene: Fix use-after-free bug in remove function
- adt7475: Fix hysteresis register bit masks, and fix association of
'smoothing' attributes
* tag 'hwmon-for-v6.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (ltc2992) Set `can_sleep` flag for GPIO chip
hwmon: (adm1266) Set `can_sleep` flag for GPIO chip
hwmon: tmp512: drop of_match_ptr for ID table
hwmon: (ucd90320) Add minimum delay between bus accesses
hwmon: (ina3221) return prober error code
hwmon: (xgene) Fix use after free bug in xgene_hwmon_remove due to race condition
hwmon: (adt7475) Fix masking of hysteresis registers
hwmon: (adt7475) Display smoothing attributes in correct order
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git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata
Pull ata fixes from Damien Le Moal:
- Two fixes from Ondrej for the pata_parport driver to address an issue
with error handling during drive connection and to fix memory leaks
in case of errors during initialization and when disconnecting a
device.
* tag 'ata-6.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata:
ata: pata_parport: fix memory leaks
ata: pata_parport: fix parport release without claim
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The __find_restype() function loops over the m5mols_default_ffmt[]
array, and the termination condition ends up being wrong: instead of
stopping when the iterator becomes the size of the array it traverses,
it stops after it has already overshot the array.
Now, in practice this doesn't likely matter, because the code will
always find the entry it looks for, and will thus return early and never
hit that last extra iteration.
But it turns out that clang will unroll the loop fully, because it has
only two iterations (well, three due to the off-by-one bug), and then
clang will end up just giving up in the middle of the loop unrolling
when it notices that the code walks past the end of the array.
And that made 'objtool' very unhappy indeed, because the generated code
just falls off the edge of the universe, and ends up falling through to
the next function, causing this warning:
drivers/media/i2c/m5mols/m5mols.o: warning: objtool: m5mols_set_fmt() falls through to next function m5mols_get_frame_desc()
Fix the loop ending condition.
Reported-by: Jens Axboe <axboe@kernel.dk>
Analyzed-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Analyzed-by: Nick Desaulniers <ndesaulniers@google.com>
Link: https://lore.kernel.org/linux-block/CAHk-=wgTSdKYbmB1JYM5vmHMcD9J9UZr0mn7BOYM_LudrP+Xvw@mail.gmail.com/
Fixes: bc125106f8af ("[media] Add support for M-5MOLS 8 Mega Pixel camera ISP")
Cc: HeungJun, Kim <riverful.kim@samsung.com>
Cc: Sylwester Nawrocki <s.nawrocki@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fixes: 0813299c586b ("ext4: Fix possible corruption when moving a directory")
Link: https://lore.kernel.org/r/5efbe1b9-ad8b-4a4f-b422-24824d2b775c@kili.mountain
Reported-by: Dan Carpenter <error27@gmail.com>
Reported-by: syzbot+0c73d1d8b952c5f3d714@syzkaller.appspotmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from netfilter, wifi and ipsec.
A little more changes than usual, but it's pretty normal for us that
the rc3/rc4 PRs are oversized as people start testing in earnest.
Possibly an extra boost from people deploying the 6.1 LTS but that's
more of an unscientific hunch.
Current release - regressions:
- phy: mscc: fix deadlock in phy_ethtool_{get,set}_wol()
- virtio: vsock: don't use skbuff state to account credit
- virtio: vsock: don't drop skbuff on copy failure
- virtio_net: fix page_to_skb() miscalculating the memory size
Current release - new code bugs:
- eth: correct xdp_features after device reconfig
- wifi: nl80211: fix the puncturing bitmap policy
- net/mlx5e: flower:
- fix raw counter initialization
- fix missing error code
- fix cloned flow attribute
- ipa:
- fix some register validity checks
- fix a surprising number of bad offsets
- kill FILT_ROUT_CACHE_CFG IPA register
Previous releases - regressions:
- tcp: fix bind() conflict check for dual-stack wildcard address
- veth: fix use after free in XDP_REDIRECT when skb headroom is small
- ipv4: fix incorrect table ID in IOCTL path
- ipvlan: make skb->skb_iif track skb->dev for l3s mode
- mptcp:
- fix possible deadlock in subflow_error_report
- fix UaFs when destroying unaccepted and listening sockets
- dsa: mv88e6xxx: fix max_mtu of 1492 on 6165, 6191, 6220, 6250, 6290
Previous releases - always broken:
- tcp: tcp_make_synack() can be called from process context, don't
assume preemption is disabled when updating stats
- netfilter: correct length for loading protocol registers
- virtio_net: add checking sq is full inside xdp xmit
- bonding: restore IFF_MASTER/SLAVE flags on bond enslave Ethertype
change
- phy: nxp-c45-tja11xx: fix MII_BASIC_CONFIG_REV bit number
- eth: i40e: fix crash during reboot when adapter is in recovery mode
- eth: ice: avoid deadlock on rtnl lock when auxiliary device
plug/unplug meets bonding
- dsa: mt7530:
- remove now incorrect comment regarding port 5
- set PLL frequency and trgmii only when trgmii is used
- eth: mtk_eth_soc: reset PCS state when changing interface types
Misc:
- ynl: another license adjustment
- move the TCA_EXT_WARN_MSG attribute for tc action"
* tag 'net-6.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (108 commits)
selftests: bonding: add tests for ether type changes
bonding: restore bond's IFF_SLAVE flag if a non-eth dev enslave fails
bonding: restore IFF_MASTER/SLAVE flags on bond enslave ether type change
net: renesas: rswitch: Fix GWTSDIE register handling
net: renesas: rswitch: Fix the output value of quote from rswitch_rx()
ethernet: sun: add check for the mdesc_grab()
net: ipa: fix some register validity checks
net: ipa: kill FILT_ROUT_CACHE_CFG IPA register
net: ipa: add two missing declarations
net: ipa: reg: include <linux/bug.h>
net: xdp: don't call notifiers during driver init
net/sched: act_api: add specific EXT_WARN_MSG for tc action
Revert "net/sched: act_api: move TCA_EXT_WARN_MSG to the correct hierarchy"
net: dsa: microchip: fix RGMII delay configuration on KSZ8765/KSZ8794/KSZ8795
ynl: make the tooling check the license
ynl: broaden the license even more
tools: ynl: make definitions optional again
hsr: ratelimit only when errors are printed
qed/qed_mng_tlv: correctly zero out ->min instead of ->hour
selftests: net: devlink_port_split.py: skip test if no suitable device available
...
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Pull block fixes from Jens Axboe:
"A bit bigger than usual, as the NVMe pull request missed last weeks
submission. In detail:
- NVMe pull request via Christoph:
- Avoid potential UAF in nvmet_req_complete (Damien Le Moal)
- More quirks (Elmer Miroslav Mosher Golovin, Philipp Geulen)
- Fix a memory leak in the nvme-pci probe teardown path
(Irvin Cote)
- Repair the MAINTAINERS entry (Lukas Bulwahn)
- Fix handling single range discard request (Ming Lei)
- Show more opcode names in trace events (Minwoo Im)
- Fix nvme-tcp timeout reporting (Sagi Grimberg)
- MD pull request via Song:
- Two fixes for old issues (Neil)
- Resource leak in device stopping (Xiao)
- Bio based device stats fix (Yu)
- Kill unused CONFIG_BLOCK_COMPAT (Lukas)
- sunvdc missing mdesc_grab() failure check (Liang)
- Fix for reversal of request ordering upon issue for certain cases
(Jan)
- null_blk timeout fixes (Damien)
- Loop use-after-free fix (Bart)
- blk-mq SRCU fix for BLK_MQ_F_BLOCKING devices (Chris)"
* tag 'block-6.3-2023-03-16' of git://git.kernel.dk/linux:
block: remove obsolete config BLOCK_COMPAT
md: select BLOCK_LEGACY_AUTOLOAD
block: count 'ios' and 'sectors' when io is done for bio-based device
block: sunvdc: add check for mdesc_grab() returning NULL
nvmet: avoid potential UAF in nvmet_req_complete()
nvme-trace: show more opcode names
nvme-tcp: add nvme-tcp pdu size build protection
nvme-tcp: fix opcode reporting in the timeout handler
nvme-pci: add NVME_QUIRK_BOGUS_NID for Lexar NM620
nvme-pci: add NVME_QUIRK_BOGUS_NID for Netac NV3000
nvme-pci: fixing memory leak in probe teardown path
nvme: fix handling single range discard request
MAINTAINERS: repair malformed T: entries in NVM EXPRESS DRIVERS
block: null_blk: cleanup null_queue_rq()
block: null_blk: Fix handling of fake timeout request
blk-mq: fix "bad unlock balance detected" on q->srcu in __blk_mq_run_dispatch_ops
loop: Fix use-after-free issues
block: do not reverse request order when flushing plug list
md: avoid signed overflow in slot_store()
md: Free resources in __md_stop
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Pull io_uring fixes from Jens Axboe:
- When PF_NO_SETAFFINITY was removed for io-wq threads, we kind of
forgot about the SQPOLL thread. Remove it there as well, there's even
less of a reason to set it there (Michal)
- Fixup a confusing 'ret' setting (Li)
- When MSG_RING is used to send a direct descriptor to another ring,
it's possible to have it allocate it on the target ring rather than
provide a specific index for it. If this is done, return the chosen
value in the CQE, like we would've done locally (Pavel)
- Fix a regression in this series on huge page bvec collapsing (Pavel)
* tag 'io_uring-6.3-2023-03-16' of git://git.kernel.dk/linux:
io_uring/rsrc: fix folio accounting
io_uring/msg_ring: let target know allocated index
io_uring: rsrc: Optimize return value variable 'ret'
io_uring/sqpoll: Do not set PF_NO_SETAFFINITY on sqpoll threads
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix an error code path issue in a cpuidle driver and make the
sleepgraph utility more robust against unexpected input.
Specifics:
- Fix the psci_pd_init_topology() failure path in the PSCI cpuidle
driver (Shawn Guo)
- Modify the sleepgraph utility so it does not crash on binary data
in device names (Todd Brandt)"
* tag 'pm-6.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
pm-graph: sleepgraph: Avoid crashing on binary data in device names
cpuidle: psci: Iterate backwards over list in psci_pd_remove()
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These add some new quirks, fix PPTT handling, fix an ACPI utility and
correct a mistake in the ACPI documentation.
Specifics:
- Fix ACPI PPTT handling to avoid sleep in the atomic context when it
is not present (Sudeep Holla)
- Add 'backlight=native' DMI quirk for Dell Vostro 15 3535 to the
ACPI video driver (Chia-Lin Kao)
- Add ACPI quirks for I2C device enumeration on Lenovo Yoga Book X90
and Acer Iconia One 7 B1-750 (Hans de Goede)
- Fix handling of invalid command line option values in the ACPI
pfrut utility (Chen Yu)
- Fix references to I2C device data type in the ACPI documentation
for device enumeration (Andy Shevchenko)"
* tag 'acpi-6.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: tools: pfrut: Check if the input of level and type is in the right numeric range
ACPI: PPTT: Fix to avoid sleep in the atomic context when PPTT is absent
ACPI: x86: Add skip i2c clients quirk for Lenovo Yoga Book X90
ACPI: x86: Add skip i2c clients quirk for Acer Iconia One 7 B1-750
ACPI: x86: Introduce an acpi_quirk_skip_gpio_event_handlers() helper
ACPI: video: Add backlight=native DMI quirk for Dell Vostro 15 3535
ACPI: docs: enumeration: Correct reference to the I²C device data type
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git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux
Pull turbostat fweaks and fixes from Len Brown:
"Leprechaun sized fixes and tweaks touching only turbostat.
'Keeping happy users happy since 2010'"
* 'turbostat' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux:
tools/power turbostat: version 2023.03.17
tools/power turbostat: fix decoding of HWP_STATUS
tools/power turbostat: Introduce support for EMR
tools/power turbostat: remove stray newlines from warn/warnx strings
tools/power turbostat: Fix /dev/cpu_dma_latency warnings
tools/power turbostat: Provide better debug messages for failed capabilities accesses
tools/power turbostat: update dump of SECONDARY_TURBO_RATIO_LIMIT
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
- cleanup for xen time handling
- enable the VGA console in a Xen PVH dom0
- cleanup in the xenfs driver
* tag 'for-linus-6.3-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen: remove unnecessary (void*) conversions
x86/PVH: obtain VGA console info in Dom0
x86/xen/time: cleanup xen_tsc_safe_clocksource
xen: update arch/x86/include/asm/xen/cpuid.h
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- fixes to the ASID allocator to avoid leaking stale mappings between
tasks
- fix the vmalloc fault handler to tolerate huge pages
* tag 'riscv-for-linus-6.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
RISC-V: mm: Support huge page in vmalloc_fault()
riscv: asid: Fixup stale TLB entry cause application crash
Revert "riscv: mm: notify remote harts about mmu cache updates"
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Vasily Gorbik:
- Update defconfigs
- Fix early boot code by adding missing intersection check to prevent
potential overwriting of the ipl report
- Fix a use-after-free issue in s390-specific code related to PCI
resources being retained after hot-unplugging individual functions,
by removing the resources from the PCI bus's resource list and using
the zpci_bar_struct's resource pointer directly
* tag 's390-6.3-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390: update defconfigs
PCI: s390: Fix use-after-free of PCI resources with per-function hotplug
s390/ipl: add missing intersection check to ipl_report handling
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Fix false detection of read faults, introduced by execute-only
support
- Fix a build failure when GENERIC_ALLOCATOR is not selected
Thanks to Russell Currey, Randy Dunlap, Michal Suchánek, Nathan Lynch,
and Benjamin Gray.
* tag 'powerpc-6.3-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/mm: Fix false detection of read faults
powerpc/pseries: RTAS work area requires GENERIC_ALLOCATOR
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC host fixes from Ulf Hansson:
- dw_mmc-starfive: Fix initialization of the prev_err variable
- sdhci_am654: Lower power-on failed message severity
* tag 'mmc-v6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: dw_mmc-starfive: Fix initialization of prev_err
mmc: sdhci_am654: lower power-on failed message severity
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Nothing surprising, a collection of small device-specific fixes.
The majority of changes are for ASoC Intel stuff, while a few other
ASoC and HD-audio fixes are found"
* tag 'sound-6.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (31 commits)
ALSA: hda/ca0132: fixup buffer overrun at tuning_ctl_set()
ALSA: asihpi: check pao in control_message()
ASoC: hdmi-codec: only startup/shutdown on supported streams
ASoC: da7219: Initialize jack_det_mutex
ALSA: hda: Match only Intel devices with CONTROLLER_IN_GPU()
ALSA: hda/realtek: Fix the speaker output on Samsung Galaxy Book2 Pro
ALSA: hda/realtek: fix speaker, mute/micmute LEDs not work on a HP platform
ALSA: hda: intel-dsp-config: add MTL PCI id
ASoC: SOF: IPC4: update gain ipc msg definition to align with fw
ASoC: SOF: sof-audio: don't squelch errors in WIDGET_SETUP phase
ASoC: SOF: Intel: hda-ctrl: re-add sleep after entering and exiting reset
ASoC: SOF: Intel: hda-dsp: harden D0i3 programming sequence
ASoC: SOF: ipc4-topology: set dmic dai index from copier
ASoC: SOF: sof-audio: Fix broken early bclk feature for SSP
ASoC: SOF: Intel: pci-tng: revert invalid bar size setting
ASoC: SOF: topology: Fix error handling in sof_widget_ready()
ASoC: Intel: soc-acpi: fix copy-paste issue in topology names
ASoC: SOF: ipc4-topology: Fix incorrect sample rate print unit
ASoC: SOF: ipc3: Check for upper size limit for the received message
ASOC: SOF: Intel: pci-tgl: Fix device description
...
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