History log of /linux/kernel/trace/Kconfig (Results 1 – 25 of 1757)
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# 67f8bc84 01-Sep-2026 Maxime Ripard <mripard@kernel.org>

Merge drm/drm-fixes into drm-misc-fixes

Let's start the 7.3 drm-misc-fixes cycle.

Signed-off-by: Maxime Ripard <mripard@kernel.org>


Revision tags: v7.3-rc1, v7.2, v7.2-rc7, v7.2-rc6, v7.2-rc5, v7.2-rc4
# b2128290 18-Jul-2026 Rob Clark <robin.clark@oss.qualcomm.com>

Merge remote-tracking branch 'drm/drm-next' into msm-next-backmerge

Backmerge of drm-next, mainly to pick up dt bindings docs updates to
avoid conflicts.

Signed-off-by: Rob Clark <robin.clark@oss.q

Merge remote-tracking branch 'drm/drm-next' into msm-next-backmerge

Backmerge of drm-next, mainly to pick up dt bindings docs updates to
avoid conflicts.

Signed-off-by: Rob Clark <robin.clark@oss.qualcomm.com>

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# 637315cb 18-Aug-2026 Paolo Bonzini <pbonzini@redhat.com>

Merge tag 'kvm-riscv-7.3-1' of https://github.com/kvm-riscv/linux into HEAD

KVM/riscv changes for 7.3

- Svadu/Zicfiss/Zicfilp FWFT support for Guest
- Use try_cmpxchg for IMSIC MRIF RMW
- More arch

Merge tag 'kvm-riscv-7.3-1' of https://github.com/kvm-riscv/linux into HEAD

KVM/riscv changes for 7.3

- Svadu/Zicfiss/Zicfilp FWFT support for Guest
- Use try_cmpxchg for IMSIC MRIF RMW
- More arch-specific tracepoints in KVM RISC-V
- Eager Page Splitting for KVM RISC-V
- Optimize hfence request handling for SMP Guests
- Improve dirty log clearing by skipping zero bits in mask
- Guard HFENCE range loops against overflow
- CPU PM notifiers in KVM RISC-V for non-retentive idle states
- Fix kernel-mode vector context save/restore for Guest

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# efe86f08 14-Jul-2026 Rodrigo Vivi <rodrigo.vivi@intel.com>

Merge drm/drm-next into drm-xe-next

Sync some i915/display changes

Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>


Revision tags: v7.2-rc3, v7.2-rc2
# 6d177908 30-Jun-2026 Jani Nikula <jani.nikula@intel.com>

Merge drm/drm-next into drm-intel-next

Sync with v7.2-rc1.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>


# 827b9aab 30-Jun-2026 Thomas Zimmermann <tzimmermann@suse.de>

Merge drm/drm-next into drm-misc-next

Backmerging to get drm-misc-next to v7.2-rc1.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>


# 7dd19ada 28-Jun-2026 Danilo Krummrich <dakr@kernel.org>

Merge tag 'v7.2-rc1' into drm-rust-next

Merge v7.2-rc1 into drm-rust-next to start the next cycle.

Devres now requires T: 'static, which conflicts with shmem::Object using
Devres<SGTableMap<T, C>>

Merge tag 'v7.2-rc1' into drm-rust-next

Merge v7.2-rc1 into drm-rust-next to start the next cycle.

Devres now requires T: 'static, which conflicts with shmem::Object using
Devres<SGTableMap<T, C>> without that bound. Resolve by adding 'static
as a supertrait to DriverObject and DeviceContext, which does not
restrict any current use cases since DriverObject is always implemented
on owned, refcounted types and DeviceContext is a sealed marker trait
with only unit-type implementors.

If DriverObject (or DeviceContext) ever becomes lifetime-parameterized
(e.g. via a GAT for TTM backed objects), the 'static supertrait can be
relaxed at that point.

Signed-off-by: Danilo Krummrich <dakr@kernel.org>

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# 64390793 21-Aug-2026 Linus Torvalds <torvalds@linux-foundation.org>

Merge tag 'probes-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull probes updates from Masami Hiramatsu:
"BTF typecasting and variable fetch enhancements:

- Typecas

Merge tag 'probes-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull probes updates from Masami Hiramatsu:
"BTF typecasting and variable fetch enhancements:

- Typecast support across probe events: Extended BTF typecasting
syntax (e.g., (STRUCT)PARAM->MEMBER) to kprobes, uprobes, and
fprobes on function entry and return

- Nested typecasts: Added support for chaining and nesting typecasts
up to 3 levels, including casting registers and stack variables

- Field specifier option: Added (STRUCT,FIELD) syntax to emulate
container_of(), allowing retrieval of parent structures from member
pointers

- $current variable support: Introduced $current special variable to
access the running task_struct via BTF dereferencing

- Per-CPU variable access: Added this_cpu_read() and this_cpu_ptr()
fetcharg methods to trace CPU-local data safely

- Fetcharg bytecode dumper: Added CONFIG_PROBE_EVENTS_DUMP_FETCHARG
to dump the compiled fetcharg bytecode instructions as comments in
dynamic_events

- Extended symbol name handling: Removed the MAX_COMMON_HEAD_LEN
limit and extended MAX_ARGSTR_LEN to 256 bytes, enabling probing of
long symbols, mangled Rust symbols and complex BTF expressions

- eprobe variable syntax: Allowed eprobes to reference event fields
directly without requiring a '$' prefix

- Cleanup unused parameters, redundant codes, duplicate macros and
pointer arithmetic

- Use a ternary operator for simplifying fetch_type_from_btf_type()

Expanded boot time dynamic probe support:

- Add boot-time tracing configuration support for event probes
(eprobes), function probes (fprobes), and tracepoint probes
(tprobes)

- Allow comment lines ('#') in dynamic_events file

Optimization, robustness, and cleanups:

- Simplify fprobe_remove_ips() by reusing graph and ftrace helpers

- Remove __packed attribute from struct __fprobe_header to avoid
unaligned memory access penalties on RISC architectures

- Remove redundant memset() calls in perf event probe handlers

- Replace legacy __ASSEMBLY__ with __ASSEMBLER__ in header files

Selftests & refactoring:

- Refactor parse_probe_arg() and parse_probe_vars(), and eliminate
recursion in probe argument parsing to protect kernel stack depth

- Add selftests for BTF typecasts and module probing without module
prefixes

- Force LC_ALL=C in ftracetest to prevent test failures on localized
systems

- Refactor btf_type_skip_modifiers() to remove ignored id parameter

- Sort ERRORS list in trace_probe.h alphabetically

- Fix typo in fprobe docs, and trace_fprobe function name

- Rename FETCH_OP_DATA to FETCH_OP_IMMSTR

- Make file offset error message probe-agnostic"

* tag 'probes-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: (37 commits)
fprobe: Simplify fprobe_remove_ips() by reusing existing helpers
tracing/boot: Add support for eprobe, fprobe, and tprobe events
selftests/ftrace: Force C locale in ftracetest
tracing/probes: Treating longer symbol name on event comparation
docs: trace: fprobe: fix 'thos' spelling
tracing/probes: Fix extra whitespace in trace_probe_kernel.h
tracing/kprobe: Remove redundant memset in kprobe_perf_func()
tracing/fprobe: Remove redundant memset in fentry_perf_func()
tracing/fprobe: Remove redundant snprintf in trace_fprobe_match_command_head()
tracing/probes: Simplify BTF_KIND_PTR case in fetch_type_from_btf_type()
tracing/probes: Cleanup pointer arithmetic in store_trace_entry_data()
tracing/probes: Remove unused parameter from parse_probe_var_retval()
tracing/probes: Remove redundant bounds check in trace_probe_compare_arg_type()
tracing/probes: Remove redundant boolean conversion in trace_probe_has_single_file()
tracing/probes: Remove duplicate MAX_ARRAY_LEN macro definition
selftests/ftrace: Add test case for a symbol in a module without module name
tracing/probes: Eliminate recursion in parse_probe_arg()
tracing/probes: Extend max length of argument string
tracing/probes: Sort ERRORS list in trace_probe.h alphabetically
tracing/probes: Refactor parse_probe_arg()
...

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# dccddc39 02-Jul-2026 Masami Hiramatsu (Google) <mhiramat@kernel.org>

tracing/probes: Support dumping fetcharg program for debugging dynamic events

For debugging probe events, it is helpful to verify the compiled
fetch instructions for each probe argument. This introd

tracing/probes: Support dumping fetcharg program for debugging dynamic events

For debugging probe events, it is helpful to verify the compiled
fetch instructions for each probe argument. This introduces a new
kernel config CONFIG_PROBE_EVENTS_DUMP_FETCHARG to decode the
instruction sequence of each argument and display it under a
commented line starting with '#' immediately following the dynamic
event definition (such as in dynamic_events, kprobe_events,
uprobe_events, etc.).

For example:
/sys/kernel/tracing # cat dynamic_events
p:kprobes/p_vfs_read_0 vfs_read arg1=+0(file):ustring arg2=%ax:x16
# arg1: ARG(0) -> ST_USTRING(offset=0,size=4) -> END
# arg2: REG(80) -> ST_RAW(size=2) -> END

Link: https://lore.kernel.org/all/178271359508.1176915.11895926894608440183.stgit@devnote2/

Assisted-by: Antigravity:gemini-3.5-flash
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>

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# 3d5e4894 19-Aug-2026 Jiri Kosina <jkosina@suse.com>

Merge branch 'for-7.3/steam' into for-linus

- initial support for 2026 Steam Controller (Vicki Pfau)
- support for sensor events on the 2025 Steam Controller (Vicki Pfau)
- assorted fixes, improveme

Merge branch 'for-7.3/steam' into for-linus

- initial support for 2026 Steam Controller (Vicki Pfau)
- support for sensor events on the 2025 Steam Controller (Vicki Pfau)
- assorted fixes, improvements and code refactoring (Vicki Pfau)

show more ...


# 0eaed89c 17-Aug-2026 Thomas Gleixner <tglx@kernel.org>

Merge tag 'timers-v7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/daniel.lezcano/linux into timers/clocksource

- Use designated initializers for sh_mtu2, sh_cmt, and sh_tmu, and
dro

Merge tag 'timers-v7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/daniel.lezcano/linux into timers/clocksource

- Use designated initializers for sh_mtu2, sh_cmt, and sh_tmu, and
drop the unused initializer in the platform_device_id table for
sh_mtu2 (Uwe Kleine-König)

- Remove redundant dev_err()/dev_err_probe() messages when
devm_request_*_irq() fails, as the helper already logs an error
message (Pan Chuang)

- Fix a boot hang on Allwinner D1 when a forced minimum delta is used
with the sun4i timer (Felix Yan)

- Fix an IRQ leak in the cpuhp_setup_state() error path by freeing the
IRQ on failure in the NXP PIT driver (WenTao Liang)

- Fix incorrect unmapping of shared MMIO between the clocksource and
clockevent drivers. If one of them fails to initialize, the error
path unmaps the shared MMIO region, leaving the other driver with an
invalid mapping on clps711x (Guangshuo Li)

- Make the samsung_pwm driver compatible with PREEMPT_RT by replacing
regular spinlocks with raw_spinlock_t in atomic contexts (Marek
Szyprowski)

- Use __raw_readl() and __raw_writel() instead of ioread32() and
iowrite32() to support SWAP_IO_SPACE in the rtl-otto driver (Rustam
Adilov)

- Fix a missing clk_disable_unprepare() call in the timer
initialization error path of the Armada driver (Yuho Choi)

Link: https://lore.kernel.org/lkml/75feea31-683d-45a1-87f4-ab045e0152ae@oss.qualcomm.com

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# b4d85f86 15-Aug-2026 Dmitry Torokhov <dmitry.torokhov@gmail.com>

Merge branch 'next' into for-linus

Prepare input updates for 7.3 merge window.


# 76904fcc 14-Jul-2026 Dmitry Torokhov <dmitry.torokhov@gmail.com>

Merge tag 'v7.2-rc3' into next

Sync up with mainline to pull in stable fixes to avoid merge conflicts.


# 00599d48 29-Jun-2026 Maarten Lankhorst <dev@lankhorst.se>

Merge drm/drm-fixes into drm-misc-fixes

Pull in tag v7.2-rc1 so that drm-misc-fixes becomes useful again,
and drm-misc-next-fixes can be closed.

Signed-off-by: Maarten Lankhorst <dev@lankhorst.se>


Revision tags: v7.2-rc1
# 7a0e692a 23-Jun-2026 Dmitry Torokhov <dmitry.torokhov@gmail.com>

Merge branch 'next' into for-linus

Prepare input updates for 7.2 merge window.


# 9ecfb2f7 19-Jun-2026 Linus Torvalds <torvalds@linux-foundation.org>

Merge tag 'trace-ring-buffer-v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull ring-buffer updates from Steven Rostedt

- Do not invalidate entire buffer for invalid sub

Merge tag 'trace-ring-buffer-v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull ring-buffer updates from Steven Rostedt

- Do not invalidate entire buffer for invalid sub-buffers

For the persistent ring buffer, if one sub-buffer is found to be
invalid, it invalidates the entire per CPU ring buffer. This can lose
a lot of valuable data if there's some corruption with the writes to
the buffer not syncing properly on a hard crash. Instead, if a
sub-buffer is found to be invalid, simply zero it out and mark it for
"missed events".

When the persistent ring buffer is read and a sub-buffer that was
cleared due to being invalid on boot up is discovered, the output
will show "[LOST EVENTS]" to let the user know that events were
missing at that location. Displaying the events from valid buffers
can still be useful.

- Add a test to be able to test corrupted sub-buffers

If a persistent ring buffer is created as "ptraingtest" and the new
config that adds the test is enabled, when a panic happens, the
kernel will randomly corrupt one of the per CPU ring buffers. On boot
up, the sub-buffers with the corruption should be cleared and
flagged. When reading this buffer, the missed events should should
[LOST EVENTS].

- Add commit number in the sub-buffer meta debug info

The commit is used to know the content of a meta page. Add it to the
buffer_meta file that is shown for each per CPU buffer.

- Clean up the persistent ring buffer validation code

Add some helper functions and make variable names more consistent.

* tag 'trace-ring-buffer-v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
ring-buffer: Better comment the use of RB_MISSED_EVENTS
ring-buffer: Show persistent buffer dropped events in trace_pipe file
ring-buffer: Show persistent buffer dropped events in trace file
ring-buffer: Have dropped subbuffers be persistent across reboots
ring-buffer: Cleanup buffer_data_page related code
ring-buffer: Cleanup persistent ring buffer validation
ring-buffer: Show commit numbers in buffer_meta file
ring-buffer: Add persistent ring buffer invalid-page inject test
ring-buffer: Skip invalid sub-buffers when rewinding persistent ring buffer
ring-buffer: Skip invalid sub-buffers when validating persistent ring buffer

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Revision tags: v7.1, v7.1-rc7
# fff88709 01-Jun-2026 Dmitry Torokhov <dmitry.torokhov@gmail.com>

Merge tag 'v7.1-rc6' into next

Sync up with mainline to pull in a fix to IMS PCU driver and other
enhancements.


Revision tags: v7.1-rc6, v7.1-rc5
# 68413a36 22-May-2026 Masami Hiramatsu (Google) <mhiramat@kernel.org>

ring-buffer: Add persistent ring buffer invalid-page inject test

Add a self-corrupting test for the persistent ring buffer.

This will inject an erroneous value to some sub-buffer pages (where
the i

ring-buffer: Add persistent ring buffer invalid-page inject test

Add a self-corrupting test for the persistent ring buffer.

This will inject an erroneous value to some sub-buffer pages (where
the index is even or multiples of 5) in the persistent ring buffer
when the kernel panics, and checks whether the number of detected
invalid pages and the total entry_bytes are the same as the recorded
values after reboot.

This ensures that the kernel can correctly recover a partially
corrupted persistent ring buffer after a reboot or panic.

The test only runs on the persistent ring buffer whose name is
"ptracingtest". The user has to fill it with events before a
kernel panic.

To run the test, enable CONFIG_RING_BUFFER_PERSISTENT_INJECT
and add the following kernel cmdline:

reserve_mem=20M:2M:trace trace_instance=ptracingtest^traceoff@trace
panic=1

Run the following commands after the 1st boot:

cd /sys/kernel/tracing/instances/ptracingtest
echo 1 > tracing_on
echo 1 > events/enable
sleep 3
echo c > /proc/sysrq-trigger

After panic message, the kernel will reboot and run the verification
on the persistent ring buffer, e.g.

Ring buffer meta [2] invalid buffer page detected
Ring buffer meta [2] is from previous boot! (318 pages discarded)
Ring buffer testing [2] invalid pages: PASSED (318/318)
Ring buffer testing [2] entry_bytes: PASSED (1300476/1300476)

Link: https://patch.msgid.link/20260522171051.260140328@kernel.org
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

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# 5c8cbca2 21-May-2026 Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>

Merge branch '20260507-ubwc-rework-v4-4-c19593d20c1d@oss.qualcomm.com' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into HEAD

Merge the branch with the soc/qcom changes, required fo

Merge branch '20260507-ubwc-rework-v4-4-c19593d20c1d@oss.qualcomm.com' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into HEAD

Merge the branch with the soc/qcom changes, required for the next UBWC
patches.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>

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# 09d6818d 18-May-2026 Thomas Gleixner <tglx@kernel.org>

Merge branch 'linus' into timers/clocksource

... to bring it up to date for new changes.


Revision tags: v7.1-rc4
# 658a6021 15-May-2026 Rodrigo Vivi <rodrigo.vivi@intel.com>

Merge drm/drm-next into drm-intel-next

Some Display Port Adaptive Sync depends on drm work.

Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>


# 8edf8b09 12-May-2026 Joonas Lahtinen <joonas.lahtinen@linux.intel.com>

Merge drm/drm-next into drm-intel-gt-next

Backmerging to pull in commit 5401b9adebc9 ("i915: don't use
a vma that didn't match the context VM") to revert it.

Signed-off-by: Joonas Lahtinen <joonas.

Merge drm/drm-next into drm-intel-gt-next

Backmerging to pull in commit 5401b9adebc9 ("i915: don't use
a vma that didn't match the context VM") to revert it.

Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>

show more ...


Revision tags: v7.1-rc3
# c53ed3e9 08-May-2026 Thomas Hellström <thomas.hellstrom@linux.intel.com>

Merge drm/drm-next into drm-xe-next

Bringing in recent display changes.

Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>


Revision tags: v7.1-rc2
# cafac16b 27-Apr-2026 Thomas Zimmermann <tzimmermann@suse.de>

Merge drm/drm-next into drm-misc-next

Getting fixes and updates from v7.1-rc1.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>


# 9c9fe04e 27-Apr-2026 Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>

Merge tag 'v7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into gpio/for-next

Linux 7.1-rc1


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