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1,462,193 commits

Author SHA1 Message Date
Peter Ujfalusi
6320b64451
ASoC: SOF: ipc4-topology: Print for format type in dbg_audio_format
8 and 32 bit formats can have different types, print them in debug
information to have complete view of the supported formats.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://patch.msgid.link/20260520150204.18303-1-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2026-05-22 00:17:59 +01:00
Mark Brown
4c433607b6
ASoC: cs35l56: Replace open-coded SoundWire regmap with generic regmap-sdw
Richard Fitzgerald <rf@opensource.cirrus.com> says:

This series replaces the entirely custom SoundWire regmap with the generic
regmap-sdw. The reasons for doing this are:

- Avoid code duplication
- Avoid effort of keeping custom implementation up-to-date
- Prepare for supporting BRA

Link: https://patch.msgid.link/20260521115420.978616-1-rf@opensource.cirrus.com
2026-05-22 00:17:14 +01:00
Richard Fitzgerald
4e2310f14a
ASoC: cs35l56: Use standard SoundWire regmap implementation
Use the regmap_sdw implementation for SoundWire instead of
re-implementing the low-level bus transactions in cs35l56-sdw.c

The cs35l56 registers are big-endian on I2C and SPI but little-endian
over SoundWire. The firmware files are all big-endian and contain opaque
blobs in big-endian order. So these must be endian-swapped to transfer
over SoundWire. A custom regmap bus implementation is used to do this
endian-swapping.

The original implementation of this custom regmap bus was a complete bus
backend, performing the endian swapping and low-level SoundWire bus
read/write.

This commit changes the custom regmap bus to only perform the endian-swap.
It uses an underlying simple uncached regmap_sdw bus to deal with
transferring the 32-bit registers over the SoundWire bus. Although this
adds a small amount of overhead, from passing through the regmap APIs
twice, it avoids having a local duplicate implementation of what regmap_sdw
already does.

The slow-read handling for OTP registers must access 8-bit SoundWire
registers so it still uses low-level SoundWire bus reads.

Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://patch.msgid.link/20260521115420.978616-4-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2026-05-22 00:17:13 +01:00
Richard Fitzgerald
371d1e3a01
ASoC: cs35l56: Use reg_base to offset addresses on SoundWire
Set the reg_base member of regmap_config for SoundWire so that
the regmap core will apply the 0x8000 offset to addresses, instead
of doing it within our low-level regmap read/write callbacks.

Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://patch.msgid.link/20260521115420.978616-3-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2026-05-22 00:17:12 +01:00
Richard Fitzgerald
cb9a52b3ab
ASoC: cs35l56-shared-test: Subtract reg_base offset in dummy regmap
Subtract the value of cs35l56 regmap_config->reg_base from addresses
passed into the mock regmap bus.

Chip register addresses transferred over SoundWire are offset by 0x8000
to move them after the address range reserved in the SoundWire spec.

This commit prepares for changing the cs35l56-sdw driver to use
regmap_config->reg_base to add this offset. When that is done the
addresses passed into the mock regmap_bus will include this offset.

Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://patch.msgid.link/20260521115420.978616-2-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2026-05-22 00:17:11 +01:00
Mark Brown
7d28d5ce83
ASoC: SOF: Intel: Enable offload for UAOL for LNL+
Peter Ujfalusi <peter.ujfalusi@linux.intel.com> says:

The USB Audio Offload (UAOL) can only be used from the DSP side and
on Lunar Lake (ACE2) and newer platforms the access to it's register
space must be granted by the host, just like for SSP or DMIC.

This series enable the offload for UAOL for LNL or newer devices.

Link: https://patch.msgid.link/20260520150639.25301-1-peter.ujfalusi@linux.intel.com
2026-05-22 00:16:33 +01:00
Peter Ujfalusi
fdfbd9ff86
ASoC: SOF: Intel: lnl: Enable offload for UAOL link
The handling of UAOL (USB Audio Offload Link) is similar to SSP and DMIC,
it is handled by the DSP firmware.
Set the offload enable for it similar to SSP and DMIC.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://patch.msgid.link/20260520150639.25301-3-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2026-05-22 00:16:32 +01:00
Peter Ujfalusi
978152b2ca
ASoC: SOF: Intel: hda-mlink/lnl: Convert offload enable functions to void
hdac_bus_eml_enable_offload() can only fail in case the IP is not enabled
in the platform, which is not really an error as the ACE IP can be
configured differently when integrated into a specific SoC.

While it is unlikely, but it is a valid configuration that for example the
DMIC is disabled.
In this case we will just skip setting the offload for a link that is not
present.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://patch.msgid.link/20260520150639.25301-2-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2026-05-22 00:16:31 +01:00
Mark Brown
75b992accc
ASoC: AMD: ACP7.x initial PCI driver bring-up
Vijendar Mukunda <Vijendar.Mukunda@amd.com> says:

This series adds initial AMD ACP 7.x support for ACP7.D / 7.E / 7.F
platforms.

Compared to earlier ACP generations, ACP7.x includes substantial design
changes, including an updated register set/layout. For that reason,
the ACP7.x implementation is placed under a separate sound/soc/amd/acp7x/
directory instead of extending older-generation code paths,
keeping ACP7.x-specific logic and register definitions cleanly separated
and easier to maintain.

This initial version is intentionally focused on the core PCI driver
bring-up: register definitions, probe/remove, basic helper wiring, and
system sleep + runtime PM integration. A follow-up series will add support
for additional Audio I/O blocks, including SoundWire and the ACP PDM
controller.

The primary goal of this series is to unblock power validation, since the
ACP IP currently does not have a driver available with PM ops support on
these platforms.

Link: https://patch.msgid.link/20260507181251.20594-1-Vijendar.Mukunda@amd.com
2026-05-22 00:15:05 +01:00
Vijendar Mukunda
07d56a83ba
ASoC: amd: acp7x: add system and runtime PM ops
Add ACP7.x PM callbacks and hook up system sleep and runtime PM ops for
the PCI driver.

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org>
Link: https://patch.msgid.link/20260507181251.20594-6-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2026-05-22 00:15:04 +01:00
Vijendar Mukunda
533308171b
ASoC: amd: enable acp7.x drivers build
ACP7.x drivers can be built by selecting necessary
kernel config option.
The patch enables build support of the same.

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org>
Link: https://patch.msgid.link/20260507181251.20594-5-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2026-05-22 00:15:03 +01:00
Vijendar Mukunda
b5a2fdc5e7
ASoC: amd: acp7x: add helper functions and hw ops
Add ACP7.x init/deinit helper routines and wire up PCI hw ops for
ACP7.D/7.E/7.F variants.

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org>
Link: https://patch.msgid.link/20260507181251.20594-4-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2026-05-22 00:15:02 +01:00
Vijendar Mukunda
1da6f798ed
ASoC: amd: acp7x: add ACP PCI driver probe/remove sequence
Add ACP7.x PCI driver probe and remove sequence for ACP7.D/7.E/7.F
variants.

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org>
Link: https://patch.msgid.link/20260507181251.20594-3-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2026-05-22 00:15:01 +01:00
Vijendar Mukunda
44d16948af
include: sound: add register header file for acp7.x series
Add acp register header file for ACP7.x(7.D/7.E/7.F) variants.

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://patch.msgid.link/20260507181251.20594-2-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2026-05-22 00:15:00 +01:00
Jakub Kicinski
1a1f055318 Not much going on here right now:
- mac80211/hwsim:
    - some NAN related things
    - MCS/NSS rate issues with S1G
  - p54: port SPI version to device-tree
  - (a few other random things)
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Merge tag 'wireless-next-2026-05-21' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next

Johannes Berg says:

====================
Not much going on here right now:
 - mac80211/hwsim:
   - some NAN related things
   - MCS/NSS rate issues with S1G
 - p54: port SPI version to device-tree
 - (a few other random things)

* tag 'wireless-next-2026-05-21' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next:
  ARM: dts: omap2: add stlc4560 spi-wireless node
  p54spi: convert to devicetree
  dt-bindings: net: add st,stlc4560/p54spi binding
  wifi: mac80211: allow cipher change on NAN_DATA interfaces
  wifi: mac80211_hwsim: Do not declare NAN support for Extended Key ID
  wifi: cfg80211: add a function to parse UHR DBE
  wifi: mac80211: don't call ieee80211_handle_reconfig_failure when not needed
  wifi: mac80211: Allow per station GTK for NAN Data interfaces
  wifi: mac80211_hwsim: advertise NPCA capability
  wifi: mac80211_hwsim: reject NAN on multi-radio wiphys
  wifi: plfxlc: use module_usb_driver() macro
  wifi: mac80211: don't recalc min def for S1G chan ctx
  wifi: mac80211: skip NSS and BW init for S1G sta
  wifi: mac80211: check stations are removed before MLD change
  wifi: rt2x00: allocate anchor with rt2x00dev
====================

Link: https://patch.msgid.link/20260521153519.380276-3-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-05-21 16:00:06 -07:00
Dave Airlie
4378a41165 Mediatek DRM Fixes - 20260521
1. fix sparse warnings
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Merge tag 'mediatek-drm-fixes-20260521' of https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux into drm-fixes

Mediatek DRM Fixes - 20260521

1. fix sparse warnings

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Link: https://patch.msgid.link/20260521135649.4681-1-chunkuang.hu@kernel.org
2026-05-22 08:31:08 +10:00
Ritesh Kumar
4bd073e00f arm64: dts: qcom: lemans: Add eDP ref clock for eDP PHYs
The eDP PHY nodes on lemans were missing the reference clock voting.
This initially went unnoticed because the clock was implicitly enabled
by the UFS PHY driver, and the eDP PHY happened to rely on that.

After commit 77d2fa54a9 ("scsi: ufs: qcom : Refactor phy_power_on/off
calls"), the UFS driver no longer keeps the reference clock enabled.
As a result, the eDP PHY fails to power on.

To fix this, add eDP reference clock for eDP PHYs on lemans chipset
ensuring reference clock is enabled.

Fixes: e1e3e5673f ("arm64: dts: qcom: sa8775p: add DisplayPort device nodes")
Signed-off-by: Ritesh Kumar <quic_riteshk@quicinc.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260128114853.2543416-3-quic_riteshk@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2026-05-21 17:22:45 -05:00
Steven Rostedt
292c8197e3 tracing: Move trace_iterator_increment() into trace_find_next_entry_inc()
trace_iterator_increment() is only called from trace_find_next_entry_inc().
It's a small enough function that really doesn't need to be separated.

Move the code from trace_iterator_increment() into
trace_find_next_entry_inc() and remove trace_iterator_increment().

Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Link: https://patch.msgid.link/20260521095026.20c9799d@gandalf.local.home
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2026-05-21 18:16:35 -04:00
Rosen Penev
817e148935 tracing: Simplify pages allocation for tracing_map logic
Change to a flexible array member to allocate together with the array
struct.

Simplifies code slightly by removing no longer correct null checks for
pages and removing kfrees.

Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Kees Cook <kees@kernel.org>
Cc: "Gustavo A. R. Silva" <gustavoars@kernel.org>
Link: https://patch.msgid.link/20260520215006.12008-1-rosenp@gmail.com
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2026-05-21 18:12:10 -04:00
Jakub Kicinski
6a20b34fe3 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR (net-7.1-rc5).

No conflicts, adjacent changes:

drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c
  cc199cd1b9 ("net/mlx5e: Reduce branches in napi poll")
  c326f9c689 ("net/mlx5e: xsk: Fix unlocked writing to ICOSQ")

drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
  c6df9a65cb ("net/mlx5: Skip disabled vports when setting max TX speed")
  1fba57c914 ("net/mlx5: Add VHCA_ID page management mode support")

net/mac80211/mlme.c
  a6e6ccd5bd ("wifi: mac80211: consume only present negotiated TTLM maps")
  49e62ec6eb ("wifi: mac80211: move frame RX handling to type files")

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-05-21 15:09:02 -07:00
Ao Sun
3a5b296575 tracing: Fix README path for synthetic_events
The events/ prefix should be removed, since synthetic_events
is now directly under the tracing root directory.

Cc: <mhiramat@kernel.org>
Cc: <mathieu.desnoyers@efficios.com>
Link: https://patch.msgid.link/20260521015211.111-1-ao.sun@transsion.com
Signed-off-by: Ao Sun <ao.sun@transsion.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2026-05-21 18:03:08 -04:00
Yu Peng
153498f200 tracing: Use krealloc_array() for trace option array growth
Use krealloc_array() when growing tr->topts instead of open-coding the
size calculation in krealloc().

This makes the resize path use the helper intended for array allocations
and avoids manual multiplication of the element count and element size.

Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Link: https://patch.msgid.link/20260519083409.3885032-1-pengyu@kylinos.cn
Signed-off-by: Yu Peng <pengyu@kylinos.cn>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2026-05-21 18:03:08 -04:00
Yu Peng
5ec75d6a1b tracing/branch: Use pr_warn() instead of printk(KERN_WARNING)
Use pr_warn() instead of printk(KERN_WARNING ...) for the branch tracer
warning messages.

Keep the message text unchanged. The change only removes the open-coded
log level from these warnings.

Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Link: https://patch.msgid.link/20260519081620.3874441-1-pengyu@kylinos.cn
Signed-off-by: Yu Peng <pengyu@kylinos.cn>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2026-05-21 18:03:08 -04:00
Steven Rostedt
bb4613842e tracing: Allow perf to read synthetic events
Currently, perf can not enable synthetic events. When it does, it either
causes a warning in the kernel or errors with "no such device".

Add the necessary code to allow perf to also attach to synthetic events.

Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://patch.msgid.link/20260513150007.3b280e87@gandalf.local.home
Reported-by: Ian Rogers <irogers@google.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2026-05-21 18:03:07 -04:00
Vineeth Pillai
5307505fe7 HID: Use trace_call__##name() at guarded tracepoint call sites
Replace trace_foo() with the new trace_call__foo() at sites already
guarded by trace_foo_enabled(), avoiding a redundant
static_branch_unlikely() re-evaluation inside the tracepoint.
trace_call__foo() calls the tracepoint callbacks directly without
utilizing the static branch again.

Original v2 series:
https://lore.kernel.org/linux-trace-kernel/20260323160052.17528-1-vineeth@bitbyteword.org/

Parts of the original v2 series have already been merged in mainline.
This patch is being reposted as a follow-up cleanup for the remaining
unmerged pieces.

Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: Jiri Kosina <jikos@kernel.org>
Cc: Benjamin Tissoires <bentiss@kernel.org>
Link: https://patch.msgid.link/20260515135941.2238861-1-vineeth@bitbyteword.org
Suggested-by: Steven Rostedt <rostedt@goodmis.org>
Suggested-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Vineeth Pillai (Google) <vineeth@bitbyteword.org>
Assisted-by: Claude:claude-sonnet-4-6
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2026-05-21 18:03:07 -04:00
Vineeth Pillai
2dad375e5f cpufreq: amd-pstate: Use trace_call__##name() at guarded tracepoint call site
Replace trace_foo() with the new trace_call__foo() at sites already
guarded by trace_foo_enabled(), avoiding a redundant
static_branch_unlikely() re-evaluation inside the tracepoint.
trace_call__foo() calls the tracepoint callbacks directly without
utilizing the static branch again.

Cc: Huang Rui <ray.huang@amd.com>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Link: https://patch.msgid.link/20260515140121.2239414-1-vineeth@bitbyteword.org
Suggested-by: Steven Rostedt <rostedt@goodmis.org>
Suggested-by: Peter Zijlstra <peterz@infradead.org>
Assisted-by: Claude:claude-sonnet-4-6
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Vineeth Pillai (Google) <vineeth@bitbyteword.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2026-05-21 18:03:07 -04:00
Martin Kaiser
b3efa3b2bb tracefs: Fix typo in a comment of eventfs_callback() kerneldoc
Fix a typo "evetnfs files" to "eventfs files" in a comment.

Cc: Masami Hiramatsu <mhiramat@kernel.org>
Link: https://patch.msgid.link/20260507081041.885781-2-martin@kaiser.cx
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2026-05-21 18:03:07 -04:00
Yash Suthar
8a6e9af2fa tracing: Switch trace_recursion_record.c code over to use guard()
Switch mutex_lock()/mutex_unlock() to guard().
also drop the ret local variable and return directly.

Link: https://patch.msgid.link/20260502174741.39636-1-yashsuthar983@gmail.com
Signed-off-by: Yash Suthar <yashsuthar983@gmail.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2026-05-21 18:03:07 -04:00
Qian-Yu Lin
04fcbcf2df tracing: Remove local variable for argument detection from trace_printk()
The trace_printk() macro uses a local variable _______STR to detect
whether variadic arguments are present. This name can shadow outer
variables.

Replace the local variable with sizeof applied directly to the
stringified arguments:

  if (sizeof __stringify((__VA_ARGS__)) > 3)

This eliminates the shadowing risk entirely without introducing
any additional includes or local variables.

Verified with objdump on samples/trace_printk that all four cases
branch correctly: __trace_bputs, __trace_puts, __trace_bprintk,
and __trace_printk.

Link: https://patch.msgid.link/20260502075535.34997-1-tiffany019230@gmail.com
Suggested-by: David Laight <david.laight.linux@gmail.com>
Signed-off-by: Qian-Yu Lin <tiffany019230@gmail.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2026-05-21 18:03:06 -04:00
David Carlier
9764e731ef tracepoint: Add lockdep rcu_is_watching() check to trace_##name##_enabled()
The trace_##name##_enabled() static call branch is used when work needs to
be done for a tracepoint. It allows that work to be skipped when the
tracepoint is not active and still uses the static_branch() of the
tracepoint to keep performance.

Tracepoints themselves require being called in "RCU watching" locations
otherwise races can occur that corrupts things. In order to make sure
lockdep triggers at tracepoint locations, the lockdep checks are added to
the tracepoint calling location and trigger even if the tracepoint is not
enabled. This is done because a poorly placed tracepoint may never be
detected if it is never enabled when lockdep is enabled.

As trace_##name##_enabled() also prevents the lockdep checks when the
tracepoint is disabled add lockdep checks to that as well so that if one
is placed in a location that RCU is not watching, it will trigger a
lockdep splat even when the tracepoint is not enabled.

Cc: Vineeth Pillai (Google) <vineeth@bitbyteword.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://patch.msgid.link/20260430144159.10985-1-devnexen@gmail.com
Signed-off-by: David Carlier <devnexen@gmail.com>
[ Updated the change log ]
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2026-05-21 18:03:06 -04:00
Pengpeng Hou
f07883450e tracing: Bound synthetic-field strings with seq_buf
The synthetic field helpers build a prefixed synthetic variable name and
a generated hist command in fixed MAX_FILTER_STR_VAL buffers. The
current code appends those strings with raw strcat(), so long key lists,
field names, or saved filters can run past the end of the staging
buffers.

Build both strings with seq_buf and propagate -E2BIG if either the
synthetic variable name or the generated command exceeds
MAX_FILTER_STR_VAL. This keeps the existing tracing-side limit while
using the helper intended for bounded command construction.

Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Tom Zanussi <tom.zanussi@linux.intel.com>
Link: https://patch.msgid.link/20260430043350.57928-1-pengpeng@iscas.ac.cn
Fixes: 02205a6752 ("tracing: Add support for 'field variables'")
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Reviewed-by: Tom Zanussi <zanussi@kernel.org>
Signed-off-by: Pengpeng Hou <pengpeng@iscas.ac.cn>
[ sdr: Moved struct seq_buf *s for upside-down x-mas tree formatting ]
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2026-05-21 18:03:06 -04:00
Shuvam Pandey
ae3197ee07 seq_buf: Export seq_buf_putmem_hex() and add KUnit tests
The seq_buf KUnit suite does not exercise seq_buf_putmem_hex().

Add one test for the len > 8 chunking path and one overflow test
where a later chunk no longer fits in the buffer.

Export seq_buf_putmem_hex() as well so SEQ_BUF_KUNIT_TEST=m links
cleanly. Without the export, modpost reports seq_buf_putmem_hex as
undefined when seq_buf_kunit is built as a module.

Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: David Gow <david@davidgow.net>
Link: https://patch.msgid.link/20260408202351.21829-1-shuvampandey1@gmail.com
Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Shuvam Pandey <shuvampandey1@gmail.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2026-05-21 18:03:06 -04:00
Yash Suthar
3839a8eedd tracing: Remove redundant IS_ERR() check in trace_pipe_open()
in trace_pipe_open() already check the IS_ERR(iter) and return early on
error,so iter after will be valid and it is safe to return 0 at end.

Link: https://patch.msgid.link/20260420101236.223919-1-yashsuthar983@gmail.com
Signed-off-by: Yash Suthar <yashsuthar983@gmail.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2026-05-21 18:03:06 -04:00
Linus Torvalds
6779b50faa pci-v7.1-fixes-2
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Merge tag 'pci-v7.1-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci

Pull PCI fixes from Bjorn Helgaas:

 - Remove obsolete PCIe maintainer addresses (Florian Eckert, Hans
   Zhang)

 - Restore a brcmstb link speed assignment that was inadvertently
   removed, reducing bcm2712 performance (Florian Fainelli)

* tag 'pci-v7.1-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci:
  PCI: brcmstb: Assign pcie->gen from of_pci_get_max_link_speed()
  MAINTAINERS: Remove Jianjun Wang as PCIe mediatek maintainer
  MAINTAINERS: Remove Chuanhua Lei as PCIe intel-gw maintainer
2026-05-21 15:02:12 -07:00
Sean Christopherson
5aeb1e35a4 KVM: x86: Remove unused X86EMUL_MODE_HOST define
Drop the emulator's X86EMUL_MODE_HOST #defines, as they have never been
used by KVM (they were likely copy+pasted from Xen's emulator).

No functional change intended.

Fixes: 6aa8b732ca ("[PATCH] kvm: userspace interface")
Link: https://patch.msgid.link/20260520144244.2657106-1-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
2026-05-21 14:40:26 -07:00
Hou Wenlong
b8284279b7 KVM: selftests: Verify VMX's GUEST_PENDING_DBG_EXCEPTIONS.BS Consistency Check
In x86's debug_regs test, add a test case to cover the scenario where a
single-step #DB occurs in an STI-shadow, in which case KVM needs to stuff
vmcs.GUEST_PENDING_DBG_EXCEPTIONS.BS in order to satisfy a flawed VM-Entry
Consistency Check.

Wire up an IRQ handler to gain a bit of bonus coverage, as the subsequent
IRET from the #DB sets RFLAGS.IF, but *without* STI-blocking, and so the
pending IRQ is expected on the instruction immediately following STI.

Signed-off-by: Hou Wenlong <houwenlong.hwl@antgroup.com>
[sean: expect the IRQ on the CLI, and explain why]
Link: https://patch.msgid.link/20260515222638.1949982-11-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
2026-05-21 14:40:25 -07:00
Hou Wenlong
063a22451f KVM: selftests: Verify guest debug DR7.GD checking during instruction emulation
Similar to the global disable test case in x86's debug_regs test, use
'KVM_FEP' to trigger instruction emulation in order to verify the guest
debug DR7.GD checking during instruction emulation.

Signed-off-by: Hou Wenlong <houwenlong.hwl@antgroup.com>
Link: https://patch.msgid.link/20260515222638.1949982-10-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
2026-05-21 14:40:25 -07:00
Sean Christopherson
35c08038cb KVM: selftests: Add all (known) EFLAGS bit definitions
Add #defines for all known EFLAGS bit, e.g. so that tests can use things
like EFLAGS.TF to validate single-stepping behavior.  Opportunistically
use X86_EFLAGS_FIXED instead of an open-coded equivalent when stuffing
initial vCPU state.

No functional change intended.

Link: https://patch.msgid.link/20260515222638.1949982-9-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
2026-05-21 14:40:24 -07:00
Sean Christopherson
a1e7aeb1be KVM: x86: Drop kvm_vcpu_do_singlestep() now that it's been gutted
Now that all of kvm_vcpu_do_singlestep()'s previously-unique functionality
has been moved into kvm_inject_emulated_db(), drop the one-line wrapper.

No functional change intended.

Reviewed-by: Yosry Ahmed <yosry@kernel.org>
Link: https://patch.msgid.link/20260515222638.1949982-8-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
2026-05-21 14:40:23 -07:00
Hou Wenlong
6d79302b08 KVM: x86: Move KVM_GUESTDBG_SINGLESTEP handling into kvm_inject_emulated_db()
Move KVM_GUESTDBG_SINGLESTEP handling from kvm_vcpu_do_singlestep() into
kvm_inject_emulated_db() to dedup the USE_HW_BP vs. SINGLESTEP logic, and
to allow for removing kvm_vcpu_do_singlestep() entirely.

No functional change intended.

Suggested-by: Lai Jiangshan <jiangshan.ljs@antgroup.com>
Signed-off-by: Hou Wenlong <houwenlong.hwl@antgroup.com>
[sean: massage changelog]
Reviewed-by: Yosry Ahmed <yosry@kernel.org>
Link: https://patch.msgid.link/20260515222638.1949982-7-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
2026-05-21 14:40:23 -07:00
Hou Wenlong
00b6520669 KVM: x86: Honor KVM_GUESTDBG_USE_HW_BP when checking for code breakpoints in emulation
When KVM_GUESTDBG_USE_HW_BP is enabled, i.e. userspace is usurping the
guest's hardware debug registers, the guest's effective breakpoints are
controlled by userspace rather than by the guest itself.  Honor the
KVM_GUESTDBG_USE_HW_BP behavior when handling code #DBs in the emulator so
that userspace (and the guest) gets consistent behavior for code #DBs
regardless of whether an instruction is executed natively or emulated by
KVM.

To aid in userspace debug, don't treat code breakpoints as inhibited if
KVM_GUESTDBG_USE_HW_BP is enabled as accurately emulating x86 architecture
is obviously a non-goal of guest-debug.

Fixes: 4a1e10d5b5 ("KVM: x86: handle hardware breakpoints during emulation")
Signed-off-by: Hou Wenlong <houwenlong.hwl@antgroup.com>
[sean: massage changelog]
Link: https://patch.msgid.link/20260515222638.1949982-6-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
2026-05-21 14:40:19 -07:00
Linus Torvalds
68993ced0f Including fixes from Bluetooth, wireless and netfilter.
Current release - fix to a fix:
 
  - Bluetooth: btmtk: accept too short WMT FUNC_CTRL events
 
  - vsock/virtio: relax the recently added memory limit a little
 
 Current release - regressions:
 
  - IB/IPoIB: make sure IB drivers always use async set_rx_mode since
    some (mlx5) are now required to use it due to locking changes
 
 Previous releases - regressions:
 
  - udp: fix UDP length on last GSO_PARTIAL segment
 
  - af_unix: fix UAF read of tail->len in unix_stream_data_wait()
 
  - tcp: fix stale per-CPU tcp_tw_isn leak enabling ISN prediction
 
  - mlx5e: fix unlocked writing to ICOSQ, breaking AF_XDP
 
 Previous releases - always broken:
 
  - tap: fix stack info leak in tap_ioctl() SIOCGIFHWADDR
 
  - ipv4: raw: reject IP_HDRINCL packets with ihl < 5
 
  - Bluetooth: a lot of locking and concurrency fixes (as always)
 
  - batman-adv (mesh wireless networking): a lot of random fixes
    for issues reported by security researchers and Sashiko
 
  - netfilter: same thing, a lot of small security-ish fixes
    all over the place, nothing really stands out
 
 Misc:
 
  - bring back the old 3c509 driver, Maciej wants to maintain it
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-7.1-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Including fixes from Bluetooth, wireless and netfilter.

  Craziness continues with no end in sight. Even discounting the driver
  revert this is a pretty huge PR for standards of the previous era. I'd
  speculate - we haven't seen the worst of it, yet. Good news, I guess,
  is that so far we haven't seen many (any?) cases of "AI reported a
  bug, we fixed it and a real user regressed".

  Current release - fix to a fix:

   - Bluetooth: btmtk: accept too short WMT FUNC_CTRL events

   - vsock/virtio: relax the recently added memory limit a little

  Current release - regressions:

   - IB/IPoIB: make sure IB drivers always use async set_rx_mode since
     some (mlx5) are now required to use it due to locking changes

  Previous releases - regressions:

   - udp: fix UDP length on last GSO_PARTIAL segment

   - af_unix: fix UAF read of tail->len in unix_stream_data_wait()

   - tcp: fix stale per-CPU tcp_tw_isn leak enabling ISN prediction

   - mlx5e: fix unlocked writing to ICOSQ, breaking AF_XDP

  Previous releases - always broken:

   - tap: fix stack info leak in tap_ioctl() SIOCGIFHWADDR

   - ipv4: raw: reject IP_HDRINCL packets with ihl < 5

   - Bluetooth: a lot of locking and concurrency fixes (as always)

   - batman-adv (mesh wireless networking): a lot of random fixes for
     issues reported by security researchers and Sashiko

   - netfilter: same thing, a lot of small security-ish fixes all over
     the place, nothing really stands out

  Misc:

   - bring back the old 3c509 driver, Maciej wants to maintain it"

* tag 'net-7.1-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (187 commits)
  net: enetc: avoid VF->PF mailbox timeout during SR-IOV teardown
  net: enetc: fix init and teardown order to prevent use of unsafe resources
  net: enetc: fix unbounded loop and interrupt handling in VF-to-PF messaging
  net: enetc: fix DMA write to freed memory in enetc_msg_free_mbx()
  net: enetc: fix race condition in VF MAC address configuration
  net: enetc: fix TOCTOU race and validate VF MAC address
  net: enetc: add ratelimiting to VF mailbox error messages
  net: enetc: fix missing error code when pf->vf_state allocation fails
  net: enetc: fix incorrect mailbox message status returned to VFs
  net: bridge: prevent too big nested attributes in br_fill_linkxstats()
  l2tp: use list_del_rcu in l2tp_session_unhash
  net: bcmgenet: keep RBUF EEE/PM disabled
  ethernet: 3c509: Fix most coding style issues
  ethernet: 3c509: Update documentation to match MAINTAINERS
  ethernet: 3c509: Add GPL 2.0 SPDX license identifier
  ethernet: 3c509: Fix AUI transceiver type selection
  Revert "drivers: net: 3com: 3c509: Remove this driver"
  tools: ynl: support listening on all nsids
  net: gro: don't merge zcopy skbs
  pds_core: ensure null-termination for firmware version strings
  ...
2026-05-21 14:39:12 -07:00
Bjorn Andersson
67802f9813 Merge branch '20260416-qcom_ice_power_and_clk_vote-v5-13-5ccf5d7e2846@oss.qualcomm.com' into arm64-fixes-for-7.1
Merge the fixes to add power-domain and correct clocks for the ICC block
in Eliza and Milos through a topic branch, to allow them to be merged
also into arm64-for-7.2 to resolve the merge conflicts that would
otherwise appear.

Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2026-05-21 16:34:26 -05:00
Bjorn Andersson
2c7e6d4264 Merge branch '20260416-qcom_ice_power_and_clk_vote-v5-13-5ccf5d7e2846@oss.qualcomm.com' into arm64-for-7.2
Merge the two fixes for ICC blocks in Milos and Eliza through a topic
branch, in order to resolve the introduced DT validation errors in
v7.1-rc while avoiding the merge conflicts against arm64-for-7.2.

Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2026-05-21 16:33:29 -05:00
Hou Wenlong
51543660c5 KVM: x86: Honor KVM_GUESTDBG_USE_HW_BP when emulating MOV DR (in emulator)
When emulating a MOV DR instruction, honor KVM_GUESTDBG_USE_HW_BP when
checking DR7.GD, and if there is a general-detect #DB, route it to host
userspace as appropriate.  Consulting only the guest's actual DR7 causes
KVM to fail to report a DR access to userspace (assuming the guest itself
doesn't have DR7.GD=1).

Fixes: ae675ef01c ("KVM: x86: Wire-up hardware breakpoints for guest debugging")
Suggested-by: Lai Jiangshan <jiangshan.ljs@antgroup.com>
Signed-off-by: Hou Wenlong <houwenlong.hwl@antgroup.com>
[sean: only expose effective DR7 to emulator, massage changelog]
Link: https://patch.msgid.link/20260515222638.1949982-5-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
2026-05-21 14:33:12 -07:00
Harshal Dev
081ac792f0 arm64: dts: qcom: sm8750: Add power-domain and iface clk for ice node
Qualcomm in-line crypto engine (ICE) platform driver specifies and votes
for its own resources. Before accessing ICE hardware during probe, to
avoid potential unclocked register access issues (when clk_ignore_unused
is not passed on the kernel command line), in addition to the 'core' clock
the 'iface' clock should also be turned on by the driver. This can only be
done if the GCC_UFS_PHY_GDSC power domain is enabled. Specify both the
GCC_UFS_PHY_GDSC power domain and the 'iface' clock in the ICE node for
sm8750.

Fixes: b1dac789c6 ("arm64: dts: qcom: sm8750: Add ICE nodes")
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Kuldeep Singh <kuldeep.singh@oss.qualcomm.com>
Signed-off-by: Harshal Dev <harshal.dev@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260416-qcom_ice_power_and_clk_vote-v5-11-5ccf5d7e2846@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2026-05-21 16:31:40 -05:00
Harshal Dev
c62b084d5d arm64: dts: qcom: sm8650: Add power-domain and iface clk for ice node
Qualcomm in-line crypto engine (ICE) platform driver specifies and votes
for its own resources. Before accessing ICE hardware during probe, to
avoid potential unclocked register access issues (when clk_ignore_unused
is not passed on the kernel command line), in addition to the 'core' clock
the 'iface' clock should also be turned on by the driver. This can only be
done if the UFS_PHY_GDSC power domain is enabled. Specify both the
UFS_PHY_GDSC power domain and the 'iface' clock in the ICE node for sm8650.

Fixes: 10e0246712 ("arm64: dts: qcom: sm8650: add interconnect dependent device nodes")
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Kuldeep Singh <kuldeep.singh@oss.qualcomm.com>
Signed-off-by: Harshal Dev <harshal.dev@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260416-qcom_ice_power_and_clk_vote-v5-10-5ccf5d7e2846@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2026-05-21 16:31:40 -05:00
Harshal Dev
52696dbbe7 arm64: dts: qcom: sm8550: Add power-domain and iface clk for ice node
Qualcomm in-line crypto engine (ICE) platform driver specifies and votes
for its own resources. Before accessing ICE hardware during probe, to
avoid potential unclocked register access issues (when clk_ignore_unused
is not passed on the kernel command line), in addition to the 'core' clock
the 'iface' clock should also be turned on by the driver. This can only be
done if the UFS_PHY_GDSC power domain is enabled. Specify both the
UFS_PHY_GDSC power domain and the 'iface' clock in the ICE node for sm8550.

Fixes: b8630c48b4 ("arm64: dts: qcom: sm8550: Add the Inline Crypto Engine node")
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Kuldeep Singh <kuldeep.singh@oss.qualcomm.com>
Signed-off-by: Harshal Dev <harshal.dev@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260416-qcom_ice_power_and_clk_vote-v5-9-5ccf5d7e2846@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2026-05-21 16:31:40 -05:00
Harshal Dev
3a5cb1ccbf arm64: dts: qcom: sm8450: Add power-domain and iface clk for ice node
Qualcomm in-line crypto engine (ICE) platform driver specifies and votes
for its own resources. Before accessing ICE hardware during probe, to
avoid potential unclocked register access issues (when clk_ignore_unused
is not passed on the kernel command line), in addition to the 'core' clock
the 'iface' clock should also be turned on by the driver. This can only be
done if the UFS_PHY_GDSC power domain is enabled. Specify both the
UFS_PHY_GDSC power domain and the 'iface' clock in the ICE node for sm8450.

Fixes: 86b0aef435 ("arm64: dts: qcom: sm8450: Use standalone ICE node for UFS")
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Kuldeep Singh <kuldeep.singh@oss.qualcomm.com>
Signed-off-by: Harshal Dev <harshal.dev@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260416-qcom_ice_power_and_clk_vote-v5-8-5ccf5d7e2846@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2026-05-21 16:31:40 -05:00
Harshal Dev
cca53c338a arm64: dts: qcom: kodiak: Add power-domain and iface clk for ice node
Qualcomm in-line crypto engine (ICE) platform driver specifies and votes
for its own resources. Before accessing ICE hardware during probe, to
avoid potential unclocked register access issues (when clk_ignore_unused
is not passed on the kernel command line), in addition to the 'core' clock
the 'iface' clock should also be turned on by the driver. This can only be
done if the GCC_UFS_PHY_GDSC power domain is enabled. Specify both the
GCC_UFS_PHY_GDSC power domain and the 'iface' clock in the ICE node for
kodiak.

Fixes: dfd5ee7b34 ("arm64: dts: qcom: sc7280: Add inline crypto engine")
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Kuldeep Singh <kuldeep.singh@oss.qualcomm.com>
Tested-by: Kuldeep Singh <kuldeep.singh@oss.qualcomm.com>
Signed-off-by: Harshal Dev <harshal.dev@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260416-qcom_ice_power_and_clk_vote-v5-7-5ccf5d7e2846@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2026-05-21 16:31:12 -05:00