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1,399,042 commits

Author SHA1 Message Date
Javier Carrasco
0fb09bf715 hwmon: (adt7475) Fix memory leak in adt7475_fan_pwm_config()
The device_for_each_child_node() loop requires calls to
fwnode_handle_put() upon early returns to decrement the refcount of
the child node and avoid leaking memory.

There are multiple early returns within that loop in
adt7475_fan_pwm_config(), but fwnode_handle_put() is never called.
Instead of adding the missing calls, the scoped version of the loop can
be used to simplify the code and avoid mistakes in the future if new
early returns are added.

This issue was recently introduced and it does not affect old kernels
that do not support the scoped variant.

Fixes: 777c97ff08 ("hwmon: (adt7475) Add support for configuring initial PWM state")
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Message-ID: <20240926-hwmon_adt7475_memleak-v1-1-89b8ee07507a@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2024-10-07 08:42:31 -07:00
Peter Colberg
a017616faf hwmon: intel-m10-bmc-hwmon: relabel Columbiaville to CVL Die Temperature
Consistently use CVL instead of Columbiaville, since CVL is already
being used in all other sensor labels for the Intel N6000 card.

Fixes: e1983220ae ("hwmon: intel-m10-bmc-hwmon: Add N6000 sensors")
Signed-off-by: Peter Colberg <peter.colberg@intel.com>
Reviewed-by: Michael Adler <michael.adler@intel.com>
Message-ID: <20240919173417.867640-1-peter.colberg@intel.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2024-10-07 08:42:31 -07:00
Vijendar Mukunda
0372abfcd8
ASoC: amd: acp: refactor sof_card_dai_links_create() function
Refactor sof_card_dai_links_create() function by replacing
'sof_ends' and 'sof_dais' structure declarations as
struct asoc_sdw_endpoint *sof_ends __free(kfree) = NULL;
struct asoc_sdw_dailink *sof_dais __free(kfree) = NULL;
Use above declarations to eliminate goto statements usage.

Suggested-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://patch.msgid.link/20241007085321.3991149-4-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-10-07 15:35:46 +01:00
Vijendar Mukunda
7ce8e4d380
ASoC: amd: acp: fix for cpu dai index logic
Multi link aggregation is not supported for acp6.3 platform.
Below combinations are supported.
- one sdw BE DAI <---> one-cpu DAI <---> one-codec DAI
- one sdw BE DAI  <---> one-cpu DAI <---> multi-codec DAIs
As Single cpu dai is going to be created, In create_sdw_dailink() function
cpu dai index won't be incremented.
Refactor cpu dai index logic to fix below smatch static checker warning.
sound/soc/amd/acp/acp-sdw-sof-mach.c:157 create_sdw_dailink()
warn: iterator 'i' not incremented.

Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/all/a201e871-375e-43eb-960d-5c048956c2ff@amd.com/T/
Fixes: 6d8348ddc5 ("ASoC: amd: acp: refactor SoundWire machine driver code")
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://patch.msgid.link/20241007085321.3991149-3-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-10-07 15:35:45 +01:00
Vijendar Mukunda
914219d749
ASoC: amd: acp: fix for inconsistent indenting
Fix below Smatch static checker warning:

sound/soc/amd/acp/acp-sdw-sof-mach.c:365 sof_card_dai_links_create()
warn: inconsistent indenting

Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/all/a201e871-375e-43eb-960d-5c048956c2ff@amd.com/T/
Fixes: 6d8348ddc5 ("ASoC: amd: acp: refactor SoundWire machine driver code")
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://patch.msgid.link/20241007085321.3991149-2-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-10-07 15:35:44 +01:00
Miquel Raynal
8380dbf1b9
ASoC: dt-bindings: davinci-mcasp: Fix interrupt properties
Combinations of "tx" alone, "rx" alone and "tx", "rx" together are
supposedly valid (see link below), which is not the case today as "rx"
alone is not accepted by the current binding.

Let's rework the two interrupt properties to expose all correct
possibilities.

Cc: Péter Ujfalusi <peter.ujfalusi@gmail.com>
Link: https://lore.kernel.org/linux-sound/20241003102552.2c11840e@xps-13/T/#m277fce1d49c50d94e071f7890aed472fa2c64052
Fixes: 8be90641a0 ("ASoC: dt-bindings: davinci-mcasp: convert McASP bindings to yaml schema")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20241003083611.461894-1-miquel.raynal@bootlin.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-10-07 15:35:35 +01:00
Zichen Xie
49da1463c9
ASoC: qcom: Fix NULL Dereference in asoc_qcom_lpass_cpu_platform_probe()
A devm_kzalloc() in asoc_qcom_lpass_cpu_platform_probe() could
possibly return NULL pointer. NULL Pointer Dereference may be
triggerred without addtional check.
Add a NULL check for the returned pointer.

Fixes: b5022a36d2 ("ASoC: qcom: lpass: Use regmap_field for i2sctl and dmactl registers")
Cc: stable@vger.kernel.org
Signed-off-by: Zichen Xie <zichenxie0106@gmail.com>
Link: https://patch.msgid.link/20241006205737.8829-1-zichenxie0106@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-10-07 15:35:34 +01:00
Mark Brown
344190e034 Linux 6.12-rc2
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ASoC: Merge up v6.12

Fixes build issues with the KVM selftests
2024-10-07 14:54:21 +01:00
Mark Brown
c2a59c892f Linux 6.12-rc2
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spi: Merge up v6.12

Fixes build issues with the KVM selftests.
2024-10-07 14:53:15 +01:00
Maíra Canal
82fe69e63d
drm/vc4: Use vc4_perfmon_find()
Similar to commit f2a4bcb253 ("drm/v3d: Use v3d_perfmon_find()"),
replace the open-coded `vc4_perfmon_find()` with the real thing.

Cc: Christian Gmeiner <cgmeiner@igalia.com>
Signed-off-by: Maíra Canal <mcanal@igalia.com>
Reviewed-by: Juan A. Suarez <jasuarez@igalia.com>
Reviewed-by: Christian Gmeiner <cgmeiner@igalia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241004123817.890016-1-mcanal@igalia.com
2024-10-07 10:04:46 -03:00
Mark Brown
85eadae619 Linux 6.12-rc2
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regulator: Merge up v6.12-rc2

Pulls in a build fix for the KVM selftests.
2024-10-07 14:01:00 +01:00
Maíra Canal
0b2ad4f6f2
drm/vc4: Stop the active perfmon before being destroyed
Upon closing the file descriptor, the active performance monitor is not
stopped. Although all perfmons are destroyed in `vc4_perfmon_close_file()`,
the active performance monitor's pointer (`vc4->active_perfmon`) is still
retained.

If we open a new file descriptor and submit a few jobs with performance
monitors, the driver will attempt to stop the active performance monitor
using the stale pointer in `vc4->active_perfmon`. However, this pointer
is no longer valid because the previous process has already terminated,
and all performance monitors associated with it have been destroyed and
freed.

To fix this, when the active performance monitor belongs to a given
process, explicitly stop it before destroying and freeing it.

Cc: stable@vger.kernel.org # v4.17+
Cc: Boris Brezillon <bbrezillon@kernel.org>
Cc: Juan A. Suarez Romero <jasuarez@igalia.com>
Fixes: 65101d8c91 ("drm/vc4: Expose performance counters to userspace")
Signed-off-by: Maíra Canal <mcanal@igalia.com>
Reviewed-by: Juan A. Suarez <jasuarez@igalia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241004123817.890016-2-mcanal@igalia.com
2024-10-07 09:06:46 -03:00
Maíra Canal
7d1fd3638e
drm/v3d: Stop the active perfmon before being destroyed
When running `kmscube` with one or more performance monitors enabled
via `GALLIUM_HUD`, the following kernel panic can occur:

[   55.008324] Unable to handle kernel paging request at virtual address 00000000052004a4
[   55.008368] Mem abort info:
[   55.008377]   ESR = 0x0000000096000005
[   55.008387]   EC = 0x25: DABT (current EL), IL = 32 bits
[   55.008402]   SET = 0, FnV = 0
[   55.008412]   EA = 0, S1PTW = 0
[   55.008421]   FSC = 0x05: level 1 translation fault
[   55.008434] Data abort info:
[   55.008442]   ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000
[   55.008455]   CM = 0, WnR = 0, TnD = 0, TagAccess = 0
[   55.008467]   GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
[   55.008481] user pgtable: 4k pages, 39-bit VAs, pgdp=00000001046c6000
[   55.008497] [00000000052004a4] pgd=0000000000000000, p4d=0000000000000000, pud=0000000000000000
[   55.008525] Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP
[   55.008542] Modules linked in: rfcomm [...] vc4 v3d snd_soc_hdmi_codec drm_display_helper
gpu_sched drm_shmem_helper cec drm_dma_helper drm_kms_helper i2c_brcmstb
drm drm_panel_orientation_quirks snd_soc_core snd_compress snd_pcm_dmaengine snd_pcm snd_timer snd backlight
[   55.008799] CPU: 2 PID: 166 Comm: v3d_bin Tainted: G         C         6.6.47+rpt-rpi-v8 #1  Debian 1:6.6.47-1+rpt1
[   55.008824] Hardware name: Raspberry Pi 4 Model B Rev 1.5 (DT)
[   55.008838] pstate: 20000005 (nzCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[   55.008855] pc : __mutex_lock.constprop.0+0x90/0x608
[   55.008879] lr : __mutex_lock.constprop.0+0x58/0x608
[   55.008895] sp : ffffffc080673cf0
[   55.008904] x29: ffffffc080673cf0 x28: 0000000000000000 x27: ffffff8106188a28
[   55.008926] x26: ffffff8101e78040 x25: ffffff8101baa6c0 x24: ffffffd9d989f148
[   55.008947] x23: ffffffda1c2a4008 x22: 0000000000000002 x21: ffffffc080673d38
[   55.008968] x20: ffffff8101238000 x19: ffffff8104f83188 x18: 0000000000000000
[   55.008988] x17: 0000000000000000 x16: ffffffda1bd04d18 x15: 00000055bb08bc90
[   55.009715] x14: 0000000000000000 x13: 0000000000000000 x12: ffffffda1bd4cbb0
[   55.010433] x11: 00000000fa83b2da x10: 0000000000001a40 x9 : ffffffda1bd04d04
[   55.011162] x8 : ffffff8102097b80 x7 : 0000000000000000 x6 : 00000000030a5857
[   55.011880] x5 : 00ffffffffffffff x4 : 0300000005200470 x3 : 0300000005200470
[   55.012598] x2 : ffffff8101238000 x1 : 0000000000000021 x0 : 0300000005200470
[   55.013292] Call trace:
[   55.013959]  __mutex_lock.constprop.0+0x90/0x608
[   55.014646]  __mutex_lock_slowpath+0x1c/0x30
[   55.015317]  mutex_lock+0x50/0x68
[   55.015961]  v3d_perfmon_stop+0x40/0xe0 [v3d]
[   55.016627]  v3d_bin_job_run+0x10c/0x2d8 [v3d]
[   55.017282]  drm_sched_main+0x178/0x3f8 [gpu_sched]
[   55.017921]  kthread+0x11c/0x128
[   55.018554]  ret_from_fork+0x10/0x20
[   55.019168] Code: f9400260 f1001c1f 54001ea9 927df000 (b9403401)
[   55.019776] ---[ end trace 0000000000000000 ]---
[   55.020411] note: v3d_bin[166] exited with preempt_count 1

This issue arises because, upon closing the file descriptor (which happens
when we interrupt `kmscube`), the active performance monitor is not
stopped. Although all perfmons are destroyed in `v3d_perfmon_close_file()`,
the active performance monitor's pointer (`v3d->active_perfmon`) is still
retained.

If `kmscube` is run again, the driver will attempt to stop the active
performance monitor using the stale pointer in `v3d->active_perfmon`.
However, this pointer is no longer valid because the previous process has
already terminated, and all performance monitors associated with it have
been destroyed and freed.

To fix this, when the active performance monitor belongs to a given
process, explicitly stop it before destroying and freeing it.

Cc: stable@vger.kernel.org # v5.15+
Closes: https://github.com/raspberrypi/linux/issues/6389
Fixes: 26a4dc29b7 ("drm/v3d: Expose performance counters to userspace")
Signed-off-by: Maíra Canal <mcanal@igalia.com>
Reviewed-by: Juan A. Suarez <jasuarez@igalia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241004130625.918580-2-mcanal@igalia.com
2024-10-07 09:03:57 -03:00
Darrick J. Wong
50793801fc
fsdax: dax_unshare_iter needs to copy entire blocks
The code that copies data from srcmap to iomap in dax_unshare_iter is
very very broken, which bfoster's recent fsx changes have exposed.

If the pos and len passed to dax_file_unshare are not aligned to an
fsblock boundary, the iter pos and length in the _iter function will
reflect this unalignment.

dax_iomap_direct_access always returns a pointer to the start of the
kmapped fsdax page, even if its pos argument is in the middle of that
page.  This is catastrophic for data integrity when iter->pos is not
aligned to a page, because daddr/saddr do not point to the same byte in
the file as iter->pos.  Hence we corrupt user data by copying it to the
wrong place.

If iter->pos + iomap_length() in the _iter function not aligned to a
page, then we fail to copy a full block, and only partially populate the
destination block.  This is catastrophic for data confidentiality
because we expose stale pmem contents.

Fix both of these issues by aligning copy_pos/copy_len to a page
boundary (remember, this is fsdax so 1 fsblock == 1 base page) so that
we always copy full blocks.

We're not done yet -- there's no call to invalidate_inode_pages2_range,
so programs that have the file range mmap'd will continue accessing the
old memory mapping after the file metadata updates have completed.

Be careful with the return value -- if the unshare succeeds, we still
need to return the number of bytes that the iomap iter thinks we're
operating on.

Cc: ruansy.fnst@fujitsu.com
Fixes: d984648e42 ("fsdax,xfs: port unshare to fsdax")
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Link: https://lore.kernel.org/r/172796813328.1131942.16777025316348797355.stgit@frogsfrogsfrogs
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner <brauner@kernel.org>
2024-10-07 13:51:47 +02:00
Darrick J. Wong
95472274b6
fsdax: remove zeroing code from dax_unshare_iter
Remove the code in dax_unshare_iter that zeroes the destination memory
because it's not necessary.

If srcmap is unwritten, we don't have to do anything because that
unwritten extent came from the regular file mapping, and unwritten
extents cannot be shared.  The same applies to holes.

Furthermore, zeroing to unshare a mapping is just plain wrong because
unsharing means copy on write, and we should be copying data.

This is effectively a revert of commit 13dd4e0462 ("fsdax: unshare:
zero destination if srcmap is HOLE or UNWRITTEN")

Cc: ruansy.fnst@fujitsu.com
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Link: https://lore.kernel.org/r/172796813311.1131942.16033376284752798632.stgit@frogsfrogsfrogs
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner <brauner@kernel.org>
2024-10-07 13:51:47 +02:00
Darrick J. Wong
6ef6a0e821
iomap: share iomap_unshare_iter predicate code with fsdax
The predicate code that iomap_unshare_iter uses to decide if it's really
needs to unshare a file range mapping should be shared with the fsdax
version, because right now they're opencoded and inconsistent.

Note that we simplify the predicate logic a bit -- we no longer allow
unsharing of inline data mappings, but there aren't any filesystems that
allow shared inline data currently.

This is a fix in the sense that it should have been ported to fsdax.

Fixes: b53fdb215d ("iomap: improve shared block detection in iomap_unshare_iter")
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Link: https://lore.kernel.org/r/172796813294.1131942.15762084021076932620.stgit@frogsfrogsfrogs
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner <brauner@kernel.org>
2024-10-07 13:51:47 +02:00
Darrick J. Wong
b8c4076db5
xfs: don't allocate COW extents when unsharing a hole
It doesn't make sense to allocate a COW extent when unsharing a hole
because holes cannot be shared.

Fixes: 1f1397b721 ("xfs: don't allocate into the data fork for an unshare request")
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Link: https://lore.kernel.org/r/172796813277.1131942.5486112889531210260.stgit@frogsfrogsfrogs
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner <brauner@kernel.org>
2024-10-07 13:51:46 +02:00
David Howells
796a404964
netfs: In readahead, put the folio refs as soon extracted
netfslib currently defers dropping the ref on the folios it obtains during
readahead to after it has started I/O on the basis that we can do it whilst
we wait for the I/O to complete, but this runs the risk of the I/O
collection racing with this in future.

Furthermore, Matthew Wilcox strongly suggests that the refs should be
dropped immediately, as readahead_folio() does (netfslib is using
__readahead_batch() which doesn't drop the refs).

Fixes: ee4cdf7ba8 ("netfs: Speed up buffered reading")
Suggested-by: Matthew Wilcox <willy@infradead.org>
Signed-off-by: David Howells <dhowells@redhat.com>
Link: https://lore.kernel.org/r/3771538.1728052438@warthog.procyon.org.uk
cc: Jeff Layton <jlayton@kernel.org>
cc: netfs@lists.linux.dev
cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
2024-10-07 13:48:22 +02:00
Christian Brauner
9b8e8091c8
Merge patch series "Random netfs folio fixes"
Matthew Wilcox (Oracle) <willy@infradead.org> says:

A few minor fixes; nothing earth-shattering.

Matthew Wilcox (Oracle) (3):
  netfs: Remove call to folio_index()
  netfs: Fix a few minor bugs in netfs_page_mkwrite()
  netfs: Remove unnecessary references to pages

Link: https://lore.kernel.org/r/20241005182307.3190401-1-willy@infradead.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
2024-10-07 13:45:29 +02:00
Matthew Wilcox (Oracle)
e995e8b600
netfs: Remove unnecessary references to pages
These places should all use folios instead of pages.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://lore.kernel.org/r/20241005182307.3190401-4-willy@infradead.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
2024-10-07 13:45:15 +02:00
Matthew Wilcox (Oracle)
c6a90fe7f0
netfs: Fix a few minor bugs in netfs_page_mkwrite()
We can't return with VM_FAULT_SIGBUS | VM_FAULT_LOCKED; the core
code will not unlock the folio in this instance.  Introduce a new
"unlock" error exit to handle this case.  Use it to handle
the "folio is truncated" check, and change the "writeback interrupted
by a fatal signal" to do a NOPAGE exit instead of letting the core
code install the folio currently under writeback before killing the
process.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://lore.kernel.org/r/20241005182307.3190401-3-willy@infradead.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
2024-10-07 13:45:15 +02:00
Matthew Wilcox (Oracle)
fcd4904e2f
netfs: Remove call to folio_index()
Calling folio_index() is pointless overhead; directly dereferencing
folio->index is fine.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://lore.kernel.org/r/20241005182307.3190401-2-willy@infradead.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
2024-10-07 13:45:15 +02:00
Michal Wajdeczko
d42b043525 drm/xe/pf: Allow to save and restore VF config blob from debugfs
For feature enabling and testing purposes, allow to capture and
replace full VF configuration using debugfs blob file, but only
under strict debug config.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Michał Winiarski <michal.winiarski@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240919171528.1451-6-michal.wajdeczko@intel.com
2024-10-07 13:00:33 +02:00
Michal Wajdeczko
e9a14537fe drm/xe/pf: Add functions to save and restore VF configuration blob
We already have support to save and restore GuC VF state, but that
will only work when the target VF configuration (provisioning) will
be exactly the same as the source VF configuration. To help with
assuring that both configurations match, allow to encode whole VF
configuration that can be saved as blob and restored later.

In the future we may want to use such captured configuration blobs
as templates to make sure we provision VFs with exactly the same
configuration that was previously tested or recommended, or when
debugfs knobs are not be available.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Michał Winiarski <michal.winiarski@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240919171528.1451-5-michal.wajdeczko@intel.com
2024-10-07 13:00:09 +02:00
Michal Wajdeczko
bdc2c4d575 drm/xe/pf: Allow to encode subset of VF configuration KLVs
We want to reuse format of the GuC KLVs while saving and restoring
VF configuration by the PF driver, but some of those KLVs (like
doorbell begin index or GGTT starting offset) are not strictly
needed to correctly restore VF configuration. Modify functions to
omit encoding of some of the KLVs with GuC only details.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Michał Winiarski <michal.winiarski@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240919171528.1451-4-michal.wajdeczko@intel.com
2024-10-07 13:00:00 +02:00
Michal Wajdeczko
99ce45cc25 drm/xe/pf: Update success code of pf_validate_vf_config()
This function may return negative error codes on invalid or
incomplete VF configuration, but unlike other int functions,
it was returning 1 instead of 0 on success, which might be
little inconvinient if we would like to use it directly in
other functions.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Michał Winiarski <michal.winiarski@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240919171528.1451-3-michal.wajdeczko@intel.com
2024-10-07 12:59:46 +02:00
Michal Wajdeczko
43971e30fd drm/xe/guc: Add yet another helper macro for threshold
We already have and use MAKE_GUC_KLV_VF_CFG_THRESHOLD_KEY, but
in upcoming patch we want to generate the key for the length.
Add MAKE_GUC_KLV_VF_CFG_THRESHOLD_LEN for this purpose.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Michał Winiarski <michal.winiarski@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240919171528.1451-2-michal.wajdeczko@intel.com
2024-10-07 12:58:38 +02:00
Jeff Layton
b82f92d5dd
fs: have setattr_copy handle multigrain timestamps appropriately
The setattr codepath is still using coarse-grained timestamps, even on
multigrain filesystems. To fix this, fetch the timestamp for ctime
updates later, at the point where the assignment occurs in setattr_copy.

On a multigrain inode, ignore the ia_ctime in the attrs, and always
update the ctime to the current clock value. Update the atime and mtime
with the same value (if needed) unless they are being set to other
specific values, a'la utimes().

Do not do this universally however, as some filesystems (e.g. most
networked fs) want to do an explicit update elsewhere before updating
the local inode.

Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Tested-by: Randy Dunlap <rdunlap@infradead.org> # documentation bits
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Link: https://lore.kernel.org/r/20241002-mgtime-v10-4-d1c4717f5284@kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
2024-10-07 12:48:57 +02:00
Jeff Layton
4e40eff0b5
fs: add infrastructure for multigrain timestamps
The VFS has always used coarse-grained timestamps when updating the
ctime and mtime after a change. This has the benefit of allowing
filesystems to optimize away a lot metadata updates, down to around 1
per jiffy, even when a file is under heavy writes.

Unfortunately, this has always been an issue when we're exporting via
NFSv3, which relies on timestamps to validate caches. A lot of changes
can happen in a jiffy, so timestamps aren't sufficient to help the
client decide when to invalidate the cache. Even with NFSv4, a lot of
exported filesystems don't properly support a change attribute and are
subject to the same problems with timestamp granularity. Other
applications have similar issues with timestamps (e.g backup
applications).

If fine-grained timestamps were always used, that would improve the
situation, but that becomes rather expensive, as the underlying
filesystem would have to log a lot more metadata updates.

What is needed is a way to only use fine-grained timestamps when they
are being actively queried. Use the (unused) top bit in
inode->i_ctime_nsec as a flag that indicates whether the current
timestamps have been queried via stat() or the like. When it's set,
allow the update to use a fine-grained timestamp iff it's necessary to
make the ctime show a different value.

If it has been queried, then first see whether the current coarse time
is later than the existing ctime. If it is, accept that value.  If it
isn't, then get a fine-grained timestamp and attempt to stamp the inode
ctime with that value. If that races with another concurrent stamp, then
abandon the update and take the new value without retrying.

Filesystems can opt into this by setting the FS_MGTIME fstype flag.
Others should be unaffected (other than being subject to the same floor
value as multigrain filesystems).

Tested-by: Randy Dunlap <rdunlap@infradead.org> # documentation bits
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Link: https://lore.kernel.org/r/20241002-mgtime-v10-3-d1c4717f5284@kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
2024-10-07 12:48:56 +02:00
Oliver Neukum
39845764a0 USB: yurex: kill needless initialization in yurex_read
This prevented the compiler from catching the patch
that broke the driver.

Signed-off-by: Oliver Neukum <oneukum@suse.com>
Link: https://lore.kernel.org/r/20241007094004.242122-2-oneukum@suse.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-10-07 12:07:14 +02:00
Oliver Neukum
71c717cd8a Revert "usb: yurex: Replace snprintf() with the safer scnprintf() variant"
This reverts commit 86b20af11e.

This patch leads to passing 0 to simple_read_from_buffer()
as a fifth argument, turning the read method into a nop.
The change is fundamentally flawed, as it breaks the driver.

Signed-off-by: Oliver Neukum <oneukum@suse.com>
Cc: stable <stable@kernel.org>
Link: https://lore.kernel.org/r/20241007094004.242122-1-oneukum@suse.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-10-07 12:07:10 +02:00
Andy Shevchenko
066c779b09
platform/x86: intel_scu_ipc: Don't use "proxy" headers
Update header inclusions to follow IWYU (Include What You Use)
principle.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Link: https://lore.kernel.org/r/20241003154819.1075141-1-andriy.shevchenko@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2024-10-07 12:27:15 +03:00
Hariharan Mari
75ec613efa KVM: s390: selftests: Add regression tests for PLO subfunctions
Extend the existing regression test framework for s390x CPU subfunctions
to include tests for the Perform Locked Operation (PLO) subfunction
functions.

PLO was introduced in the very first 64-bit machine generation.
Hence it is assumed PLO is always installed in the Z Arch.
The test procedure follows the established pattern.

Suggested-by: Janosch Frank <frankja@linux.ibm.com>
Signed-off-by: Hariharan Mari <hari55@linux.ibm.com>
Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: Christoph Schlameuss <schlameuss@linux.ibm.com>
Link: https://lore.kernel.org/r/20240823130947.38323-6-hari55@linux.ibm.com
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Message-ID: <20240823130947.38323-6-hari55@linux.ibm.com>
2024-10-07 08:53:55 +00:00
Hariharan Mari
d1dbab52eb KVM: s390: selftests: Add regression tests for KMAC, KMC, KM, KIMD and KLMD crypto subfunctions
Extend the existing regression test framework for s390x CPU subfunctions
to include tests for the KMAC (Compute Message Authentication Code),
KMC (Cipher Message with Chaining), KM (Cipher Message) KIMD (Compute
Intermediate Message Digest) and KLMD (Compute Last Message Digest)
crypto functions.

The test procedure follows the established pattern.

Suggested-by: Janosch Frank <frankja@linux.ibm.com>
Signed-off-by: Hariharan Mari <hari55@linux.ibm.com>
Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: Christoph Schlameuss <schlameuss@linux.ibm.com>
Link: https://lore.kernel.org/r/20240823130947.38323-5-hari55@linux.ibm.com
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Message-ID: <20240823130947.38323-5-hari55@linux.ibm.com>
2024-10-07 08:53:55 +00:00
Hariharan Mari
7f269dd22d KVM: s390: selftests: Add regression tests for KMCTR, KMF, KMO and PCC crypto subfunctions
Extend the existing regression test framework for s390x CPU subfunctions
to include tests for the KMCTR (Cipher Message with Counter) KMO
(Cipher Message with Output Feedback), KMF (Cipher Message with Cipher
Feedback) and PCC (Perform Cryptographic Computation) crypto functions.

The test procedure follows the established pattern.

Suggested-by: Janosch Frank <frankja@linux.ibm.com>
Signed-off-by: Hariharan Mari <hari55@linux.ibm.com>
Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: Christoph Schlameuss <schlameuss@linux.ibm.com>
Link: https://lore.kernel.org/r/20240823130947.38323-4-hari55@linux.ibm.com
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Message-ID: <20240823130947.38323-4-hari55@linux.ibm.com>
2024-10-07 08:53:55 +00:00
Hariharan Mari
ff4cafc585 KVM: s390: selftests: Add regression tests for PRNO, KDSA and KMA crypto subfunctions
Extend the existing regression test framework for s390x CPU subfunctions
to include tests for the PRNO (Perform Random Number Operation), KDSA
(Compute Digital Signature Authentication) and KMA (Cipher Message with
Authentication) crypto functions.

The test procedure follows the established pattern:

1. Obtain KVM_S390_VM_CPU_MACHINE_SUBFUNC attribute for the VM.
2. Execute PRNO, KDSA and KMA instructions.
3. Compare KVM-reported results with direct instruction execution results.

Suggested-by: Janosch Frank <frankja@linux.ibm.com>
Signed-off-by: Hariharan Mari <hari55@linux.ibm.com>
Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: Christoph Schlameuss <schlameuss@linux.ibm.com>
Link: https://lore.kernel.org/r/20240823130947.38323-3-hari55@linux.ibm.com
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Message-ID: <20240823130947.38323-3-hari55@linux.ibm.com>
2024-10-07 08:53:55 +00:00
Hariharan Mari
2688d68141 KVM: s390: selftests: Add regression tests for SORTL and DFLTCC CPU subfunctions
Introduce new regression tests to verify the ASM inline block in the SORTL
and DFLTCC CPU subfunctions for the s390x architecture. These tests ensure
that future changes to the ASM code are properly validated.

The test procedure:

1. Create a VM and request the KVM_S390_VM_CPU_MACHINE_SUBFUNC attribute
   from the KVM_S390_VM_CPU_MODEL group for this VM. This SUBFUNC attribute
   contains the results of all CPU subfunction instructions.
2. For each tested subfunction (SORTL and DFLTCC), execute the
   corresponding ASM instruction and capture the result array.
3. Perform a memory comparison between the results stored in the SUBFUNC
   attribute (obtained in step 1) and the ASM instruction results (obtained
   in step 2) for each tested subfunction.

This process ensures that the KVM implementation accurately reflects the
behavior of the actual CPU instructions for the tested subfunctions.

Suggested-by: Janosch Frank <frankja@linux.ibm.com>
Signed-off-by: Hariharan Mari <hari55@linux.ibm.com>
Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: Christoph Schlameuss <schlameuss@linux.ibm.com>
Link: https://lore.kernel.org/r/20240823130947.38323-2-hari55@linux.ibm.com
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Message-ID: <20240823130947.38323-2-hari55@linux.ibm.com>
2024-10-07 08:53:55 +00:00
Miguel Ojeda
567cdff53e rust: types: avoid repetition in {As,From}Bytes impls
In order to provide `// SAFETY` comments for every `unsafe impl`, we would
need to repeat them, which is not very useful and would be harder to read.

We could perhaps allow the lint (ideally within a small module), but we
can take the chance to avoid the repetition of the `impl`s themselves
too by using a small local macro, like in other places where we have
had to do this sort of thing.

Thus add the straightforward `impl_{from,as}bytes!` macros and use them
to implement `FromBytes`.

This, in turn, will allow us in the next patch to place a `// SAFETY`
comment that defers to the actual invocation of the macro.

Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Trevor Gross <tmgross@umich.edu>
Tested-by: Gary Guo <gary@garyguo.net>
Reviewed-by: Gary Guo <gary@garyguo.net>
Link: https://lore.kernel.org/r/20240904204347.168520-4-ojeda@kernel.org
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2024-10-07 10:49:15 +02:00
Miguel Ojeda
a135aa3d30 rust: sort global Rust flags
Sort the global Rust flags so that it is easier to follow along when we
have more, like this patch series does.

Reviewed-by: Trevor Gross <tmgross@umich.edu>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Tested-by: Gary Guo <gary@garyguo.net>
Reviewed-by: Gary Guo <gary@garyguo.net>
Link: https://lore.kernel.org/r/20240904204347.168520-3-ojeda@kernel.org
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2024-10-07 10:49:15 +02:00
Miguel Ojeda
024f9676a6 rust: workqueue: remove unneeded `#[allow(clippy::new_ret_no_self)]
Perform the same clean commit b2516f7af9 ("rust: kernel: remove
`#[allow(clippy::new_ret_no_self)]`") did for a case that appeared in
workqueue in parallel in commit 7324b88975 ("rust: workqueue: add
helper for defining work_struct fields"):

    Clippy triggered a false positive on its `new_ret_no_self` lint
    when using the `pin_init!` macro. Since Rust 1.67.0, that does
    not happen anymore, since Clippy learnt to not warn about
    `-> impl Trait<Self>` [1][2].

    The kernel nowadays uses Rust 1.72.1, thus remove the `#[allow]`.

    Link: https://github.com/rust-lang/rust-clippy/issues/7344 [1]
    Link: https://github.com/rust-lang/rust-clippy/pull/9733 [2]

Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Trevor Gross <tmgross@umich.edu>
Tested-by: Gary Guo <gary@garyguo.net>
Reviewed-by: Gary Guo <gary@garyguo.net>
Link: https://lore.kernel.org/r/20240904204347.168520-2-ojeda@kernel.org
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2024-10-07 10:49:15 +02:00
Nell Shamrell-Harrington
d407317076 rust: types: add examples for the Either type
We aim to have examples in all Rust types, thus add basic ones for the
`Either` type.

Suggested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Nell Shamrell-Harrington <nells@linux.microsoft.com>
Tested-by: Dirk Behme <dirk.behme@de.bosch.com>
Reviewed-by: Trevor Gross <tmgross@umich.edu>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Link: https://rust-for-linux.zulipchat.com/#narrow/stream/291565/topic/x/near/467478085
Link: https://lore.kernel.org/r/20240918212052.8790-1-nells@linux.microsoft.com
[ Reworded slightly. - Miguel ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2024-10-07 10:49:15 +02:00
Miguel Ojeda
38f022b078 docs: rust: quick-start: add Ubuntu
Ubuntu has changed their maintenance model for Rust toolchains and is
now providing recent Rust releases in their releases, including both
LTS and non-LTS (interim) releases.

Therefore, add instructions to the Quick Start guide for Ubuntu, like
it is done for the other distributions.

Link: https://packages.ubuntu.com/search?keywords=rustc-1
Link: https://packages.ubuntu.com/search?keywords=bindgen-0
Cc: Zixing Liu <zixing.liu@canonical.com>
Cc: William Grant <wgrant@ubuntu.com>
Reviewed-by: Kees Cook <kees@kernel.org>
Link: https://lore.kernel.org/r/20240925140600.275429-1-ojeda@kernel.org
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2024-10-07 10:49:15 +02:00
Geert Uytterhoeven
7201e6487c ARM: dts: renesas: rcar-gen2: Switch HS-USB to renesas,enable-gpios
Commit 2071d0968e ("Documentation: gpio: guidelines for bindings")
deprecated the "gpio" suffix for GPIO consumers in favor of the "gpios"
suffix.  Hence replace the "renesas,enable-gpio" property by
"renesas,enable-gpios" in HS-USB device nodes.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/c88724ce1e0d755302659cd790c0869ff579684e.1727853953.git.geert+renesas@glider.be
2024-10-07 10:43:50 +02:00
Wolfram Sang
43a576ac84 ARM: dts: renesas: r7s72100: 'bus-width' is a board property
Do not set 'bus-width' in the SoC-include DTSI. It must be set in the
board DTS file. No regressions because MMCIF was not enabled yet for
this SoC.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20240928092953.2982-7-wsa+renesas@sang-engineering.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2024-10-07 10:43:50 +02:00
Geert Uytterhoeven
9faf2a34c2 arm64: dts: renesas: beacon-renesom: Switch to mic-det-gpios
Replace the deprecated "mic-det-gpio" property by "mic-det-gpios" in
the Audio Graph Card device node.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Adam Ford <aford173@gmail.com>
Link: https://lore.kernel.org/750d6ac7911aef9a461dca6d07e5c1fab6211ecb.1727438777.git.geert+renesas@glider.be
2024-10-07 10:43:44 +02:00
Wolfram Sang
70ccb46a0c ARM: dts: renesas: Use proper node names for keys
Avoids 'keyboard: 'four', 'one', 'three', 'two' do not match any of the
regexes: ...

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20240926110718.20519-6-wsa+renesas@sang-engineering.com
Link: https://lore.kernel.org/20240926110718.20519-7-wsa+renesas@sang-engineering.com
Link: https://lore.kernel.org/20240926110718.20519-8-wsa+renesas@sang-engineering.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2024-10-07 10:42:46 +02:00
Wolfram Sang
a7190e21f3 ARM: dts: renesas: r8a7778: Rename 'bsc' to 'lbsc'
R-Car Gen1 has an LBSC which has quite a different register set from the
former BSC. To match R-Car M1 with R-Car H1, rename the node to LBSC.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20240926103340.16909-6-wsa+renesas@sang-engineering.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2024-10-07 10:42:38 +02:00
Wolfram Sang
625d8daaba ARM: dts: renesas: Add proper node names to (L)BSC devices
(L)BSC must have a "bus" node name [1] and no unit-address because
there is no reg-property. Fix these entries.

[1] lbsc: $nodename:0: 'lbsc' does not match '^([a-z][a-z0-9\\-]+-bus|bus|localbus|soc|axi|ahb|apb)(@.+)?$'

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20240926103340.16909-5-wsa+renesas@sang-engineering.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2024-10-07 10:41:09 +02:00
Fabrizio Castro
44d13e198c clk: renesas: r9a09g057: Add clock and reset entries for ICU
Add clock and reset entries for the Renesas RZ/V2H(P) ICU IP block.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Signed-off-by: Fabrizio Castro <fabrizio.castro.jz@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20240930145244.356565-4-fabrizio.castro.jz@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2024-10-07 10:33:51 +02:00
Lad Prabhakar
8cce33aed0 clk: renesas: r9a09g057: Add CA55 core clocks
Add CA55 core clocks which are derived from PLLCA55.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20240918135957.290101-1-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2024-10-07 10:32:56 +02:00