The cci_init() function is not supposed to fail, and it never returns
a non-zero, so it'd make sense to convert its signature to void.
Signed-off-by: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
Reviewed-by: Loic Poulain <loic.poulain@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://lore.kernel.org/r/20260515234121.1607425-3-vladimir.zapolskiy@linaro.org
- Fix discrepancy in --dump-tasks option
Due to a mistake, rtla-timerlat-hist used the CLI syntax "--dump-task"
instead of the documented "--dump-tasks". Change the option to match
both documentation and the other timerlat tool, rtla-timerlat-top.
- Extend coverage of runtime tests
Cover both top and hist tools in all applicable test cases, add tests
for a few uncovered options, and extend checks for some existing tests.
- Add unit tests for actions
rtla's actions feature is implemented in its source file and contains
non-trivial parsing logic. Cover it with unit tests.
- Stop record trace on interrupt
Fix a bug where an interval exists after receiving a signal in which
the main instance is stopped but the record instance is not, leading to
discrepancies in reported results and sometimes rtla hanging.
- Restore continue flag in actions_perform()
Fix a bug where rtla always continues tracing after hitting a threshold
even if the continue action was triggered just once, and add tests
verifying that the flag is reset properly.
- Migrate command line interface to libsubcmd
Replace rtla's argument parsing using getopt_long() with libsubcmd, used
by perf and objtool, to reuse existing code and auto-generate better
help messages. Extensive unit tests are included to detect regressions.
- Add -A/--aligned option to timerlat tools
Add an option to align timerlat threads, based on the recently
introduced TIMERLAT_ALIGN option of the timerlat tracer, together with
unit tests and documentation.
- Document tests in README
Document how to run unit and runtime tests in rtla's README.txt,
including the dependencies needed to run them.
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Merge tag 'trace-tools-v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull RTLA tool updates from Steven Rostedt:
- Fix discrepancy in --dump-tasks option
Due to a mistake, rtla-timerlat-hist used the CLI syntax
"--dump-task" instead of the documented "--dump-tasks". Change the
option to match both documentation and the other timerlat tool,
rtla-timerlat-top.
- Extend coverage of runtime tests
Cover both top and hist tools in all applicable test cases, add tests
for a few uncovered options, and extend checks for some existing
tests.
- Add unit tests for actions
rtla's actions feature is implemented in its source file and contains
non-trivial parsing logic. Cover it with unit tests.
- Stop record trace on interrupt
Fix a bug where an interval exists after receiving a signal in which
the main instance is stopped but the record instance is not, leading
to discrepancies in reported results and sometimes rtla hanging.
- Restore continue flag in actions_perform()
Fix a bug where rtla always continues tracing after hitting a
threshold even if the continue action was triggered just once, and
add tests verifying that the flag is reset properly.
- Migrate command line interface to libsubcmd
Replace rtla's argument parsing using getopt_long() with libsubcmd,
used by perf and objtool, to reuse existing code and auto-generate
better help messages. Extensive unit tests are included to detect
regressions.
- Add -A/--aligned option to timerlat tools
Add an option to align timerlat threads, based on the recently
introduced TIMERLAT_ALIGN option of the timerlat tracer, together
with unit tests and documentation.
- Document tests in README
Document how to run unit and runtime tests in rtla's README.txt,
including the dependencies needed to run them.
* tag 'trace-tools-v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: (26 commits)
rtla: Document tests in README
Documentation/rtla: Add -A/--aligned option
rtla/tests: Add unit tests for -A/--aligned option
rtla/timerlat: Add -A/--aligned CLI option
rtla/tests: Add unit tests for CLI option callbacks
rtla/tests: Add unit tests for _parse_args() functions
rtla: Parse cmdline using libsubcmd
tools subcmd: allow parsing distinct --opt and --no-opt
tools subcmd: support optarg as separate argument
rtla: Add libsubcmd dependency
rtla/tests: Add runtime tests for restoring continue flag
rtla/tests: Run runtime tests in temporary directory
rtla/tests: Add unit test for restoring continue flag
rtla/actions: Restore continue flag in actions_perform()
rtla: Stop the record trace on interrupt
rtla/tests: Add unit tests for actions module
rtla/tests: Add runtime tests for -C/--cgroup
rtla/tests: Add runtime test for -k and -u options
rtla/tests: Add runtime test for -H/--house-keeping
rtla/tests: Cover all hist options in runtime tests
...
A partial read will store the completed byte count in io->bytes_done.
The regular completion path applies io_fixup_rw_res() so that, when the
following operation reaches EOF, the number of bytes already read is
returned.
The iopoll completion path does not apply this fixup to the return value
and can return zero instead.
Use the fixup result when updating the CQE, and the raw result for the
reissue check.
Cc: stable@vger.kernel.org
Fixes: 4d9cb92ca4 ("io_uring/rw: fix short rw error handling")
Signed-off-by: Michael Wigham <michael@wigham.net>
Link: https://patch.msgid.link/20260613225240.34032-1-michael@wigham.net
Signed-off-by: Jens Axboe <axboe@kernel.dk>
NOP file-acquisition support choses between a fixed (registered) file and
a normal fget()'d file based on its own IORING_NOP_FIXED_FILE flag in
sqe->nop_flags. However, a request's REQ_F_FIXED_FILE is set
independently from the generic IOSQE_FIXED_FILE sqe flag during request
init, before the issue handler runs.
If a NOP is submitted with IOSQE_FIXED_FILE set (so REQ_F_FIXED_FILE is
set) but without IORING_NOP_FIXED_FILE, io_nop() takes the normal path
and grabs a real reference via io_file_get_normal(). On completion,
io_put_file() only drops the reference when REQ_F_FIXED_FILE is clear,
so the fget()'d file is never released and leaks:
BUG: memory leak
unreferenced object 0xffff88800f42c240 (size 176):
kmem_cache_alloc_noprof+0x358/0x440
alloc_empty_file+0x57/0x180
path_openat+0x44/0x1e50
do_file_open+0x121/0x200
do_sys_openat2+0xa7/0x150
__x64_sys_openat+0x82/0xf0
Decide between fixed and normal file acquisition from REQ_F_FIXED_FILE,
the same way io_assign_file() does for every other opcode, and fold
IORING_NOP_FIXED_FILE into REQ_F_FIXED_FILE at prep time.
Cc: stable@vger.kernel.org
Fixes: a85f31052b ("io_uring/nop: add support for testing registered files and buffers")
Reported-by: syzbot+2cd473471e77bda12b0e@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?id=879092631b98f73a28ea405adacfa5bb34a14a25
Signed-off-by: Vasileios Almpanis <vasilisalmpanis@gmail.com>
Link: https://patch.msgid.link/20260615144619.482749-1-vasilisalmpanis@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
- Dump the stack to the buffer on timerlat uret threashold event
Record the stack trace in the buffer for THREAD_URET as well as
THREAD_CONTEXT when the threshold is hit. Otherwise, if the threshold was
not hit at task wakeup, but was at task return, it will not produce a
stack trace making it harder to debug.
- Have osnoise trace prints print to all buffers
The osnoise tracer is allowed to print to the main buffer. Add a
osnoise_print() helper function and use trace_array_vprintk() to print
osnoise output.
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Merge tag 'trace-latency-v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing latency updates from Steven Rostedt:
- Dump the stack to the buffer on timerlat uret threashold event
Record the stack trace in the buffer for THREAD_URET as well as
THREAD_CONTEXT when the threshold is hit. Otherwise, if the threshold
was not hit at task wakeup, but was at task return, it will not
produce a stack trace making it harder to debug.
- Have osnoise trace prints print to all buffers
The osnoise tracer is allowed to print to the main buffer. Add a
osnoise_print() helper function and use trace_array_vprintk() to
print osnoise output.
* tag 'trace-latency-v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tracing/osnoise: Array printk init and cleanup
tracing/osnoise: Dump stack on timerlat uret threshold event
- eprobes: BTF support for dereferencing pointers
. tracing/eprobes: Allow use of BTF names to dereference pointers. Add syntax
to the parsing of eprobes to typecast structure pointer trace event fields,
enabling BTF-based dereferencing instead of relying on manual offsets.
- probes: Improvements and robustness enhancements
. tracing: Use flexible array for entry fetch code. Store probe entry fetch
instructions in the probe_entry_arg allocation via a flexible array
member to simplify memory allocation and lifetime management.
. tracing: Replace BUG_ON with lockdep_assert_held in uprobe_buffer functions.
Replace BUG_ON() calls with lockdep_assert_held() in uprobe buffer
enable/disable paths to prevent kernel crashes and better verify lock ownership.
. tracing/probes: Ensure the uprobe buffer size is bigger than event size.
Add a BUILD_BUG_ON() assertion to guarantee that the per-CPU uprobe
working buffer size is always larger than the maximum probe event size.
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Merge tag 'probes-v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull probes updates from Masami Hiramatsu:
- BTF support for dereferencing pointers
Add syntax to the parsing of eprobes to typecast structure pointer
trace event fields, enabling BTF-based dereferencing instead of
relying on manual offsets.
- Improvements and robustness enhancements
- Use flexible array for entry fetch code.
Store probe entry fetch instructions in the probe_entry_arg
allocation via a flexible array member to simplify memory
allocation and lifetime management.
- Replace BUG_ON with lockdep_assert_held in uprobe_buffer functions
Replace BUG_ON() calls with lockdep_assert_held() in uprobe buffer
enable/disable paths to prevent kernel crashes and better verify
lock ownership.
- Ensure the uprobe buffer size is bigger than event size.
Add a BUILD_BUG_ON() assertion to guarantee that the per-CPU
uprobe working buffer size is always larger than the maximum probe
event size.
* tag 'probes-v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tracing/eprobes: Allow use of BTF names to dereference pointers
tracing: Replace BUG_ON with lockdep_assert_held in uprobe_buffer functions
tracing: Use flexible array for entry fetch code
tracing/probes: Ensure the uprobe buffer size is bigger than event size
- bootconfig: Render kernel subtree as cmdline string at build time
. bootconfig: move xbc_snprint_cmdline() to lib/bootconfig.c. Move the
xbc_snprint_cmdline() function and its buffer from main.c to the shared
lib/bootconfig.c parser library so it can be reused by userspace tools.
. tools/bootconfig: render kernel.* subtree as cmdline string with -C. Add a
new -C option to print the kernel.* subtree as a flat command-line string
at build time, allowing early parameter injection without runtime parsing.
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Merge tag 'bootconfig-v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull bootconfig updates from Masami Hiramatsu:
- bootconfig: move xbc_snprint_cmdline() to lib/bootconfig.c
Move the xbc_snprint_cmdline() function and its buffer from
main.c to the shared lib/bootconfig.c parser library so it
can be reused by userspace tools.
- render kernel.* subtree as cmdline string with -C
Add a new -C option to print the kernel.* subtree as a flat
command-line string at build time, allowing early parameter
injection without runtime parsing.
* tag 'bootconfig-v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tools/bootconfig: render kernel.* subtree as cmdline string with -C
bootconfig: move xbc_snprint_cmdline() to lib/bootconfig.c
Add support for the CMTG vblank interrupt, which is delivered
through the DE port interrupt block. Enable/disable the interrupt
via the DE port IMR around CMTG enable/disable, and dispatch the
CMTG_VBLANK_{A,B} bits to the corresponding pipe vblank handler in
the gen8 DE IRQ handler.
Wired up for DISPLAY_VER 35. The CMTG interrupt is not enabled via
IER today because CMTG is brought up together with the eDP
transcoder; this can be revisited later.
v2:
- Use consistent DC3co check as used in earlier patches. [Uma]
- Use else-if instead of separate if block. [Uma]
- Merge mask and unmask function as it is similar. [Uma]
- Modify DISPLAY_VER() check. [Uma]
v3:
- Enable only vblank interrupt. [Dibin]
v4:
- Keep irq related code to intel_display_irq.c. [Jani, Uma]
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Link: https://patch.msgid.link/20260615200339.885190-23-animesh.manna@intel.com
Restore CMTG registers after DC6 exit, as they lose their values
in the low-power state.
v2: Introduce intel_cmtg_restore() instead of calling multiple cmtg
functions. [Uma]
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Link: https://patch.msgid.link/20260615200339.885190-22-animesh.manna@intel.com
Enable CMTG with fixed refresh rate mode and with dynamic
dc state enabled.
Disable CMTG with transcoder disable or if there is a transition
to vrr mode from fixed refresh rate mode.
v2:
- Move the enabled flag update to avoid issue in the disable timeout
path. [Uma]
v3:
- Introduce intel_cmtg_program() rather calling multiple cmtg
functions. [Dibin]
- Set clock select before cmtg disable as can lost during dc6
entry. [Dibin]
- Disable cmtg interrupt in crtc-disable(). [Dibin]
- Got R-b from Uma.
v4:
- Simplify the code further by moving for_each_new_intel_crtc_in_state
inside intel_cmtg.c.
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Link: https://patch.msgid.link/20260615200339.885190-21-animesh.manna@intel.com
Enable the hardware based guardband calculations which allows
DC3co to remain enabled when timings are changing from one fixed
refresh rate to another fixed refresh rate.
Bspec: 75253
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Dibin Moolakadan Subrahmanian <dibin.moolakadan.subrahmanian@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Link: https://patch.msgid.link/20260615200339.885190-20-animesh.manna@intel.com
Program CMTG guardband to generate the Lower/Upper and early entry
guardband indicators to the DMC for DC3co control.
v2:
- Specify the unit for DC3CO entry/exit latency. [Uma]
- Add code comment for default line_time_us. [Uma]
Bspec: 75253
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Dibin Moolakadan Subrahmanian <dibin.moolakadan.subrahmanian@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Link: https://patch.msgid.link/20260615200339.885190-19-animesh.manna@intel.com
Earlier cmtg_disable() used to disable all instances of CMTG
which cannot handle individual request for specific CMTG instance.
Introduce cmtg_disable_all() which will disable all cmtg instances
and cmtg_disable() only disable specific instance.
v2:
- Use intel_de_rmw to simplify. [Uma]
v3:
- Add a code comment describing when cpu_transcoder should be used
instead of cmtg_transcoder. [Uma]
Signed-off-by: Dibin Moolakadan Subrahmanian <dibin.moolakadan.subrahmanian@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Link: https://patch.msgid.link/20260615200339.885190-18-animesh.manna@intel.com
Program DDI_FUNC_CTL2 to configure the eDP transcoder as secondary
to the CMTG transcoder.
v2:
- Update commit header to be more clear. [Uma]
Bspec: 68915
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Reviewed-by: Dibin Moolakadan Subrahmanian <dibin.moolakadan.subrahmanian@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Link: https://patch.msgid.link/20260615200339.885190-17-animesh.manna@intel.com
Add a hook to enable CMTG by programming CMTG CTL with Sync to Port.
When CMTG starts running, the Sync to Port bit will be cleared. Add
a wait to check its running status and trigger WARN_ON() on timeout.
Bspec: 69088
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Link: https://patch.msgid.link/20260615200339.885190-16-animesh.manna@intel.com
Add intel_cmtg_set_vrr_ctl() to program TRANS_VRR_CTL for the
CMTG transcoder. Purposefully avoid using the existing VRR enable
path, as many of its operations are not needed for CMTG.
v2: Use sw state instead of reading from hardware. [Jani]
v3: Program cmtg vrr control register along with vrr transcoder
registers. [R-b from Uma]
v4: Split out from vrr timing registers programming.
Bspec: 68989
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Link: https://patch.msgid.link/20260615200339.885190-14-animesh.manna@intel.com
Program the VRR registers of CMTG, as the VRR timing generator
will always be enabled for NVL.
Add intel_cmtg_set_vrr_timings() which mirrors the per-transcoder
VRR VMIN/VMAX/FLIPLINE programming on the CMTG transcoder paired
with the pipe's cpu_transcoder.
Invoke it from intel_vrr_set_transcoder_timings() and from the LRR
fastset path, right after the existing intel_vrr_set_fixed_rr_timings()
calls, so the CMTG VRR timing registers stay in sync with the
cpu_transcoder's.
v2: Use sw state instead of reading from hardware. [Jani]
v3: Program cmtg vrr timing registers along with vrr transcoder registers.
v4: Reuse vrr timing programming helper.
Bspec: 68989
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Link: https://patch.msgid.link/20260615200339.885190-13-animesh.manna@intel.com
intel_vrr_set_fixed_rr_timings() now takes the target transcoder as an
explicit argument rather than implicitly using crtc_state->cpu_transcoder,
so the parameter name 'cpu_transcoder' is misleading. Rename it to plain
'transcoder' to reflect that any transcoder may be programmed.
No functional change.
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Link: https://patch.msgid.link/20260615200339.885190-12-animesh.manna@intel.com
Several fixes and improvements to resctrl test and a change to
kselftest document to clarify the use of FORCE_TARGETS build
variable.
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Merge tag 'linux_kselftest-next-7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest updates from Shuah Khan:
"Several fixes and improvements to resctrl tests and a change to
kselftest document to clarify the use of FORCE_TARGETS build variable"
* tag 'linux_kselftest-next-7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
kselftest: fix doc for ksft_test_result_report()
selftests/resctrl: Reduce L2 impact on CAT test
selftests/resctrl: Simplify perf usage in CAT test
selftests/resctrl: Remove requirement on cache miss rate
selftests/resctrl: Raise threshold at which MBM and PMU values are compared
selftests/resctrl: Increase size of buffer used in MBM and MBA tests
selftests/resctrl: Support multiple events associated with iMC
selftests/resctrl: Prepare for parsing multiple events per iMC
selftests/resctrl: Do not store iMC counter value in counter config structure
selftests/resctrl: Reduce interference from L2 occupancy during cache occupancy test
selftests/resctrl: Improve accuracy of cache occupancy test
docs: kselftest: Document the FORCE_TARGETS build variable
Fixes to tool and kunit core and new features to both to support
JUnit XML (primitive) and backtrace suppression API:
- bug/kunit: Core support for suppressing warning backtraces
- kunit: tool: Parse and print the reason tests are skipped
- kunit: tool: Add (primitive) support for outputting JUnit XML
- kunit:tool: Don't write to stdout when it should be disabled
- kunit: Add backtrace suppression self-tests
- drm: Suppress intentional warning backtraces in scaling unit tests
- kunit: Add documentation for warning backtrace suppression API
- kunit: Fix spelling mistakes in comments and messages
- gen_compile_commands: Ignore libgcc.a
- kunit: qemu_configs: Add or1k / openrisc configuration
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Merge tag 'linux_kselftest-kunit-7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kunit updates from Shuah Khan:
"Fixes to tool and kunit core and new features to both to support JUnit
XML (primitive) and backtrace suppression API:
- Core support for suppressing warning backtraces
- Parse and print the reason tests are skipped
- Add (primitive) support for outputting JUnit XML
- Don't write to stdout when it should be disabled
- Add backtrace suppression self-tests
- Suppress intentional warning backtraces in scaling unit tests
- Add documentation for warning backtrace suppression API
- Fix spelling mistakes in comments and messages
- gen_compile_commands: Ignore libgcc.a
- qemu_configs: Add or1k / openrisc configuration"
* tag 'linux_kselftest-kunit-7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
kunit:tool: Don't write to stdout when it should be disabled
kunit: tool: Add (primitive) support for outputting JUnit XML
kunit: tool: Parse and print the reason tests are skipped
kunit: Add documentation for warning backtrace suppression API
drm: Suppress intentional warning backtraces in scaling unit tests
kunit: Add backtrace suppression self-tests
bug/kunit: Core support for suppressing warning backtraces
kunit: Fix spelling mistakes in comments and messages
kunit: qemu_configs: Add or1k / openrisc configuration
gen_compile_commands: Ignore libgcc.a
Take the target transcoder as an explicit parameter so the helper can
program VRR VMIN/VMAX/FLIPLINE registers for transcoders other than the
crtc_state->cpu_transcoder (e.g. the CMTG transcoder).
No functional change: all existing callers pass crtc_state->cpu_transcoder.
v2:
- Add separate patch for renaming the cpu_transcoder variable. [Ville]
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Link: https://patch.msgid.link/20260615200339.885190-11-animesh.manna@intel.com
Expose intel_set_transcoder_timings() & intel_set_transcoder_timings_lrr()
so that they can program timings on any transcoder, and use them from a
new intel_cmtg_set_timings() helper instead of duplicating the timing
register write sequence for CMTG.
intel_cmtg_set_timings() maps the CPU transcoder to the corresponding
CMTG transcoder (TRANSCODER_A->TRANSCODER_CMTG0, TRANSCODER_B->
TRANSCODER_CMTG1) and calls the shared helper, gated by
intel_cmtg_is_allowed(). It is invoked from hsw_configure_cpu_transcoder()
for the full modeset path and from intel_pipe_fastset() for the LRR
update path.
v2:
- Use sw state instead of reading directly from hardware. [Jani]
- Move set_timing later after encoder enable. [Dibin]
v3:
- Replace id with trans. [Jani]
- Program cmtg set_timing() along with primary transcoder timing.
v4:
- Use _MMIO_TRANS() for cmtg registers instead of direct
multiplication. [Jani]
v5:
- Modify register definition approach and match existing
transcoder definition. [Ville]
v6:
- Reuse transcoder timing helpers. [Ville]
v7:
- Introduce enum for set_timing_type. [Uma]
- Add check for INVALID_TRANSCODER. [Uma]
Bspec: 68989
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Link: https://patch.msgid.link/20260615200339.885190-10-animesh.manna@intel.com
intel_set_transcoder_timings_lrr() now takes the target transcoder as an
explicit argument rather than implicitly using crtc_state->cpu_transcoder,
so the parameter name 'cpu_transcoder' is misleading. Rename it to plain
'transcoder' to reflect that any transcoder may be programmed.
No functional change.
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Link: https://patch.msgid.link/20260615200339.885190-9-animesh.manna@intel.com
Make intel_set_transcoder_timings_lrr() take the target transcoder as an
explicit parameter instead of always using crtc_state->cpu_transcoder.
This allows the LRR timing programming sequence to be reused for other
transcoders (e.g. CMTG).
Move the intel_vrr_set_fixed_rr_timings() and intel_vrr_transcoder_enable()
calls out of intel_set_transcoder_timings_lrr() and into its only caller
intel_pipe_fastset(), so the helper now strictly programs the LRR timing
registers for the given transcoder.
No functional change intended.
v2:
- Add separate patch for renaming the cpu_transcoder variable. [Ville]
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Link: https://patch.msgid.link/20260615200339.885190-8-animesh.manna@intel.com
DP_MIN_HBLANK_CTL is a CPU transcoder register and must not be written
for the CMTG transcoders. Skip the programming when the target
transcoder is TRANSCODER_CMTG0 or TRANSCODER_CMTG1.
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Link: https://patch.msgid.link/20260615200339.885190-7-animesh.manna@intel.com
intel_set_transcoder_timings() now takes the target transcoder as an
explicit argument rather than implicitly using crtc_state->cpu_transcoder,
so the parameter name 'cpu_transcoder' is misleading. Rename it to plain
'transcoder' to reflect that any transcoder may be programmed.
No functional change.
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Link: https://patch.msgid.link/20260615200339.885190-6-animesh.manna@intel.com
Let intel_set_transcoder_timings() take the target transcoder as an
explicit argument instead of always using crtc_state->cpu_transcoder.
This makes the helper reusable for callers that need to program timings
for a transcoder other than the CRTC's CPU transcoder.
Update all existing callers to pass crtc_state->cpu_transcoder so there
is no functional change.
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Link: https://patch.msgid.link/20260615200339.885190-5-animesh.manna@intel.com
As all cmtg registers offset from base cmtg register is similar to
normal transcoder register, so follow existing way of defining
transcoder register for cmtg as well. Add base CMTG offset in
struct _display_device_info which will be used to derive the actual
register address for platform supporting CMTG.
Bspec: 68989
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Suggested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Link: https://patch.msgid.link/20260615200339.885190-4-animesh.manna@intel.com
Program the CMTG Clock Select register based on the transcoder used.
v2:
- Correct mask for PHY B. [Jani]
- Use REG_FIELD_PREP() for enable value. [Dibin]
- Extend cmtg clock select for xe3plpd. [Dibin]
v3:
- CMTG support removed for old platform.
v4:
- Optimize further with else-if. [Uma]
- Correct CMTG_CLK_SEL_B_MASK. [Uma]
v5:
- Add transcoder-port compatibility check. [Dibin]
Bspec: 69103
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Signed-off-by: Dibin Moolakadan Subrahmanian <dibin.moolakadan.subrahmanian@intel.com>
Link: https://patch.msgid.link/20260615200339.885190-3-animesh.manna@intel.com
CMTG is supported on transcoder A and transcoder B with EDP,
so add a separate helper intel_cmtg_is_allowed() to check the
prerequisites for enabling CMTG. CMTG will be enabled only in
specific use cases such as PSR2, PR-ALPM, and LOBF, and will be
used in conjunction with the DC3CO feature. DC3co will be enabled
in a separate patch.
Note: Use-case-specific checks and transcoder-port compatibility
validation will be handled part of DC3co feature implementation.
v2:
- Remove separate flag for DC3co from crtc_state. [Uma, Dibin]
v3:
- Do not access power domain members directly. [Jani]
v4:
- Remove check for DC3co state now. if needed add Dc3co allow check
later once Dc3co patches are merged. [Uma]
Bspec: 68915
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Reviewed-by: Dibin Moolakadan Subrahmanian <dibin.moolakadan.subrahmanian@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Link: https://patch.msgid.link/20260615200339.885190-2-animesh.manna@intel.com
* Only trigger interrupts that defined ActiveBoth in ACPI on boot
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Merge tag 'intel-gpio-v7.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/andy/linux-gpio-intel into gpio/for-current
intel-gpio for v7.1-1
* Only trigger interrupts that defined ActiveBoth in ACPI on boot
The MIN_RMA size checks in fadump_setup_param_area() use
(MIN_RMA * 1024 * 1024), which is evaluated in int and can
overflow when MIN_RMA is increased to values such as SZ_2G,
triggering compiler warnings such as:
warning: integer overflow in expression of type 'int'
results in '0' [-Woverflow]
Define MIN_RMA directly in bytes using SZ_1M and update the
callers accordingly. This avoids repeated unit conversions and
prevents integer overflow.
Also convert MIN_RMA back to MB when populating the firmware
architecture vector, since firmware expects the value in MB.
Suggested-by: Christophe Leroy (CS GROUP) <chleroy@kernel.org>
Reviewed-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Signed-off-by: Sayali Patil <sayalip@linux.ibm.com>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/310b040acef712fdc79e3e37d0f4c2213938b556.1781589284.git.sayalip@linux.ibm.com
During a syscall restart, block KUAP so that pending interrupts can be
replayed. The original KUAP state is not restored before returning to
userspace, causing subsequent userspace accesses to fault and eventually
trigger bad_access_pkey(), crashing the kernel.
The original KUAP register values are already saved in
arch_enter_from_user_mode(). Restore them on the syscall restart exit
path before returning to userspace.
Fixes: bee25f97ad ("powerpc: Enable GENERIC_ENTRY feature")
Reported-by: Sayali Patil <sayalip@linux.ibm.com>
Closes: https://lore.kernel.org/linuxppc-dev/fcd11556-27ac-4cd7-8c77-50716dec6985@linux.ibm.com/
Signed-off-by: Mukesh Kumar Chaurasiya (IBM) <mkchauras@gmail.com>
Tested-by: Sayali Patil <sayalip@linux.ibm.com>
[Maddy: Added Closes tag]
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/20260615162617.2861795-1-mkchauras@gmail.com
Headers under include/ aren't supposed to try to include headers from
driver directories, such as i915_reg_defs.h. Remove it.
Reviewed-by: Michał Grzelak <michal.grzelak@intel.com>
Link: https://patch.msgid.link/20260615152837.1898991-1-jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Replace individual ssd130x_write_cmd() calls and per-command error
checks with a flat command array dispatched through ssd130x_run_cmd_seq().
Signed-off-by: Alberto Ruiz <aruiz@redhat.com>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Tested-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patch.msgid.link/20260612-ssd-batchcmd-v1-4-c61e5f7c24bc@redhat.com
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Replace individual ssd130x_write_cmd() calls and per-command error
checks with a flat command array dispatched through ssd130x_run_cmd_seq().
Signed-off-by: Alberto Ruiz <aruiz@redhat.com>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Tested-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patch.msgid.link/20260612-ssd-batchcmd-v1-3-c61e5f7c24bc@redhat.com
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Introduce ssd130x_run_cmd_seq() that interprets a flat byte array of
length-prefixed command entries terminated by a zero byte, removing the
need for per-command error checking at each call site.
Signed-off-by: Alberto Ruiz <aruiz@redhat.com>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Tested-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patch.msgid.link/20260612-ssd-batchcmd-v1-1-c61e5f7c24bc@redhat.com
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
- rework of dm-ima
- introduce dm-inlinecrypt
- fix wrong return value in dm-ioctl
- fix rcu stall when polling
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Merge tag 'for-7.2/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper updates from Mikulas Patocka:
- small cleanups in dm-vdo, dm-raid, dm-cache, dm-zoned-metadata
- rework of dm-ima
- introduce dm-inlinecrypt
- fix wrong return value in dm-ioctl
- fix rcu stall when polling
* tag 'for-7.2/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm-zoned-metadata: Use strscpy() to copy device name
dm cache: make smq background work limit configurable
dm-inlinecrypt: add support for hardware-wrapped keys
dm: limit target bio polling to one shot
dm-ioctl: report an error if a device has no table
dm: add documentation for dm-inlinecrypt target
dm-inlinecrypt: add target for inline block device encryption
block: export blk-crypto symbols required by dm-inlinecrypt
dm-ima: use active table's size if available
dm-ima: Fail more gracefully in dm_ima_measure_on_*
dm-ima: Handle race between rename and table swap
dm-ima: Fix issues with dm_ima_measure_on_device_rename
dm-ima: remove new_map from dm_ima_measure_on_device_clear
dm-ima: Fix UAF errors and measuring incorrect context
dm-ima: don't copy the active table to the inactive table
dm-ima: Remove status_flags from dm_ima_measure_on_table_load()
dm-ima: remove broken last_target_measured logic
dm-ima: remove dm_ima_reset_data()
dm-raid: only requeue bios when dm is suspending
dm vdo: use get_random_u32() where appropriate
mlxbf3_gpio_probe() logs a devm_gpiochip_add_data() failure but still
returns success. That leaves the platform device bound even though the
GPIO chip was not registered.
Return the registration error so probe failure matches the missing
gpiochip state.
Fixes: cd33f216d2 ("gpio: mlxbf3: Add gpio driver support")
Signed-off-by: Pengpeng Hou <pengpeng@iscas.ac.cn>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Link: https://patch.msgid.link/20260615091918.43333-1-pengpeng@iscas.ac.cn
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
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Merge tag 'for-7.2/block-20260615' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull block updates from Jens Axboe:
- NVMe pull request via Keith:
- Per-controller admin and IO timeout sysfs attributes, and
letting the block layer set request timeouts (Maurizio,
Maximilian)
- Multipath passthrough iostats, and PCI P2PDMA enablement for
multipath devices (Keith, Kiran)
- A new diag sysfs attribute group exporting per-controller
counters (retries, multipath failover, error counters, requeue
and failure counts, reset and reconnect events) (Nilay)
- FDP configuration validation and bounds check fixes (liuxixin)
- Various nvmet fixes, including a pre-auth out-of-bounds read in
the Discovery Get Log Page handler, auth payload bounds
validation, and tcp error-path leak fixes (Bryam, Tianchu,
Geliang)
- nvme-tcp lockdep and workqueue fixes (Shin'ichiro, Kuniyuki,
Eric)
- Assorted other fixes and cleanups (John, Yao, Chao, Mateusz,
Achkinazi, Wentao)
- MD pull request via Yu Kuai:
- raid1/raid10 fixes for a deadlock in the read error recovery
path, error-path detection and bio accounting with cloned bios,
and an nr_pending leak in the REQ_ATOMIC bad-block error path
(Abd-Alrhman)
- PCI P2PDMA propagation from member devices to the RAID device
(Kiran)
- dm-raid bio requeue fix, and various smaller fixes and cleanups
(Benjamin, Chen, Li, Thorsten)
- Enable Clang lock context analysis for the block layer, with the
accompanying annotations across queue limits, the blk_holder_ops
callbacks, crypto, cgroup, iocost, kyber and mq-deadline (Bart)
- Block status code infrastructure work: a tagged status table, a
str_to_blk_op() helper, a bio_endio_status() helper, and on top of
that a new configurable block-layer error injection facility
(Christoph)
- DRBD netlink rework, replacing the genl_magic machinery with explicit
netlink serialization and moving the DRBD UAPI headers to
include/uapi/linux/ (Christoph Böhmwalder)
- bvec improvements: a bvec_folio() helper and making the bvec_iter
helpers proper inline functions (Willy, Christoph)
- ublk cleanups and a canceling-flag fix for the disk-not-allocated
case (Caleb, Ming)
- Partition handling fixes: bound the AIX pp_count scan, fix an of_node
refcount leak, and replace __get_free_page() with kmalloc() (Bryam,
Wentao, Mike)
- Convert numa_node to int in blk_mq_hw_ctx and ->init_request, and add
WQ_PERCPU to the block workqueue users (Mateusz, Marco)
- Block statistics and tracing: propagate in-flight to the whole disk
on partition IO, export passthrough stats, and a new
block_rq_tag_wait tracepoint (Tang, Keith, Aaron)
- A round of removals, unexports and cleanups across bio, direct-io and
the bvec helpers (Christoph)
- Various driver fixes (mtip32xx use-after-free, rbd snap_count
validation and strscpy conversion, nbd socket lockdep reclassify,
virtio-blk zone report clamp, floppy) and a batch of MAINTAINERS
email/list updates (Coly, Li, Yu, Christoph Böhmwalder)
- Other little fixes and cleanups all over
* tag 'for-7.2/block-20260615' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux: (117 commits)
MAINTAINERS: Update Coly Li's email address
block: check bio split for unaligned bvec
nbd: Reclassify sockets to avoid lockdep circular dependency
block: add configurable error injection
block: add a str_to_blk_op helper
block: add a "tag" for block status codes
block: add a macro to initialize the status table
floppy: Drop unused pnp driver data
block: propagate in_flight to whole disk on partition I/O
virtio-blk: clamp zone report to the report buffer capacity
block: optimize I/O merge hot path with unlikely() hints
drivers/block/rbd: Use strscpy() to copy strings into arrays
partitions: aix: bound the pp_count scan to the ppe array
block: Enable lock context analysis
block/mq-deadline: Make the lock context annotations compatible with Clang
block/Kyber: Make the lock context annotations compatible with Clang
block/blk-mq-debugfs: Improve lock context annotations
block/blk-iocost: Inline iocg_lock() and iocg_unlock()
block/blk-iocost: Split ioc_rqos_throttle()
block/crypto: Annotate the crypto functions
...
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Merge tag 'for-7.2/io_uring-20260615' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull io_uring updates from Jens Axboe:
- Rework the task_work infrastructure.
Both the local (DEFER_TASKRUN) and the normal (tctx) task_work lists
were llist based, which is LIFO ordered, and hence each run had to do
an O(n) list reversal pass first to restore queue order.
Additionally, to cap the amount of task_work run, each method needed
a retry list as well.
Add a lockless MPCS FIFO queue (based on Dmitry Vyukov's intrusive
MPSC algorithm) and switch both task_work lists to it. It performs
better than llists and we can then also ditch the retry lists as well
as entries are popped one-at-the-time.
On top of those changes, run the tctx fallback task_work directly and
remove the now-unused per-ctx fallback machinery entirely.
- zcrx user notifications.
Add a mechanism for zcrx to communicate conditions back to userspace
via a dedicated CQE, with the initial users being notification on
running out of buffers and on a frag copy fallback, plus
shared-memory notification statistics.
Alongside that, a series of zcrx reliability and cleanup fixes: more
reliable scrubbing, poisoning pointers on unregistration, dropping an
extra ifq close, adding a ctx back-pointer, reordering fd allocation
in the export path, and killing a dead 'sock' member.
- Allow using io_uring registered buffers for plain SEND and RECV, not
just for the zero-copy send path.
This enables targets like ublk's NBD backend to push/pull IO data
directly to/from a registered buffer over a plain send/recv on a TCP
socket.
- Registered buffer improvements: account huge pages correctly, bump
the io_mapped_ubuf length field to size_t, and raise the previous 1GB
registered buffer size limit.
- Restrict the ctx access exposed to io_uring BPF struct_ops programs
by handing them an opaque type rather than the full io_ring_ctx, and
add a separate MAINTAINERS entry for the bpf-ops code.
- Allow opcode filtering on IORING_OP_CONNECT.
- Validate ring-provided buffer addresses with access_ok(), and align
the legacy buffer add limit with MAX_BIDS_PER_BGID.
- Various other cleanups and minor fixes, including avoiding msghdr
async data on connect/bind, dropping async_size for OP_LISTEN, making
the POLL_FIRST receive side checks consistent, re-checking
IO_WQ_BIT_EXIT for each linked work item, and using
trace_call__##name() at guarded tracepoint call sites.
* tag 'for-7.2/io_uring-20260615' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux: (31 commits)
io_uring/bpf-ops: add a separate maintainer entry
io_uring/net: make POLL_FIRST receive side checks consistent
io_uring: remove the per-ctx fallback task_work machinery
io_uring: run the tctx task_work fallback directly
io_uring: switch normal task_work to a mpscq
io_uring: switch local task_work to a mpscq
io_uring/mpscq: add lockless multi-producer, single-consumer FIFO queue
io_uring: grab RCU read lock marking task run
io_uring/zcrx: kill dead 'sock' member in struct io_zcrx_args
io_uring/kbuf: validate ring provided buffer addresses with access_ok()
io_uring/net: support registered buffer for plain send and recv
io_uring/nop: Drop a wrong comment in struct io_nop
io_uring/net: Remove async_size for OP_LISTEN
io_uring/net: Avoid msghdr on op_connect/op_bind async data
io_uring/bpf-ops: restrict ctx access to BPF
io_uring/io-wq: re-check IO_WQ_BIT_EXIT for each linked work item
io_uring/kbuf: align legacy buffer add limit with MAX_BIDS_PER_BGID
io_uring/zcrx: add shared-memory notification statistics
io_uring/zcrx: notify user on frag copy fallback
io_uring/zcrx: notify user when out of buffers
...
The generic "ngpios" property is encoded as a normal uint32 cell. The
pisosr driver stores it in the gpio_chip field, but reading it with a
u16 helper does not match the DT property encoding.
Read "ngpios" as u32 and keep the existing assignment to the chip
field.
Assisted-by: Codex:gpt-5-5
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20260612215216.1887485-1-robh@kernel.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
- hfs: rework hfsplus_readdir() logic
- hfs: disable the updating of file access times (atime)
- hfs: fix incorrect inode ID assignment in hfs_new_inode()
- hfsplus: rework hfsplus_readdir() logic
- hfs/hfsplus: zero-initialize buffer in hfs_bnode_read
- hfs/hfsplus: fix u32 overflow in check_and_correct_requested_length
- hfsplus: Add a sanity check for btree node size
- hfsplus: fix issue of direct writes beyond end-of-file
- hfs/hfxplus: use kzalloc_flex()
- hfsplus: Remove the duplicate attr inode dirty marking action
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Merge tag 'hfs-v7.2-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/vdubeyko/hfs
Pull hfs/hfsplus updates from Viacheslav Dubeyko:
"Several fixes in HFS/HFS+ of syzbot reported issues and HFS//HFS+
fixes of xfstests failures.
- fix a null-ptr-deref issue reported by syzbot (Edward Adam Davis)
If the attributes file is not loaded during system mount
hfsplus_create_attributes_file can dereference a NULL pointer.
Also, add a b-tree node size check in hfs_btree_open() with the
goal to prevent an uninit-value bug reported by syzbot for the case
of corrupted HFS+ image.
- fix __hfs_bnode_create() by using kzalloc_flex() instead of
kzalloc() (Rosen Penev)
- fix early return in hfs_bnode_read() (Tristan Madani)
hfs_bnode_read() can return early without writing to the output
buffer when is_bnode_offset_valid() fails or when
check_and_correct_requested_ length() corrects the length to zero.
Callers such as hfs_bnode_read_ u16() and hfs_bnode_read_u8() pass
stack-allocated buffers and use the result unconditionally, leading
to KMSAN uninit-value reports.
The rest fix (1) generic/637, generic/729 issue for the case of HFS+
file system, (2) generic/003, generic/637 for the case of HFS file
system"
* tag 'hfs-v7.2-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/vdubeyko/hfs:
hfs: rework hfsplus_readdir() logic
hfs: disable the updating of file access times (atime)
hfs: fix incorrect inode ID assignment in hfs_new_inode()
hfsplus: rework hfsplus_readdir() logic
hfs/hfsplus: zero-initialize buffer in hfs_bnode_read
hfs/hfsplus: fix u32 overflow in check_and_correct_requested_length
hfsplus: Add a sanity check for btree node size
hfsplus: fix issue of direct writes beyond end-of-file
hfs/hfxplus: use kzalloc_flex()
hfsplus: Remove the duplicate attr inode dirty marking action
- nilfs2: Fix return in nilfs_mkdir
- nilfs2: fix backing_dev_info reference leak
- nilfs2: reject CLEAN_SEGMENTS ioctl with out-of-range segment numbers
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Merge tag 'nilfs2-v7.2-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/vdubeyko/nilfs2
Pull nilfs2 updates from Viacheslav Dubeyko:
"Fixes of syzbot reported issue and various small fixes in NILFS2
functionality.
- fix hung task in nilfs_transaction_begin() (Deepanshu Kartikey)
Reported by syzbot. The root cause is that user-supplied segment
numbers were not validated before nilfs_clean_segments() began
doing work; the range check on each segnum was performed deep
inside the call chain by nilfs_sufile_updatev(), which emits a
nilfs_warn() per invalid entry while still holding the segctor lock
and the sufile mi_sem.
Fix it by validating the contents of kbufs[4] in
nilfs_clean_segments() immediately after acquiring ns_segctor_sem
via nilfs_transaction_lock().
- fix a smatch warning in nilfs_mkdir() warn (Hongling Zeng)
This corrects a semantic issue related to the use of the
ERR_PTR macro that arose from a recent VFS change.
- fix a backing_dev_info reference leak (Shuangpeng Bai)
setup_bdev_super() initializes sb->s_bdev and takes a reference on
the block device backing_dev_info when assigning sb->s_bdi.
nilfs_fill_super() takes another reference to the same
backing_dev_info and stores it in sb->s_bdi again. The extra
reference is not paired with a matching bdi_put(), since
generic_shutdown_super() releases sb->s_bdi only once.
Drop the redundant bdi_get() in nilfs_fill_super(). The single
reference taken by setup_bdev_super() is enough and is released
during superblock shutdown"
* tag 'nilfs2-v7.2-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/vdubeyko/nilfs2:
nilfs2: Fix return in nilfs_mkdir
nilfs2: fix backing_dev_info reference leak
nilfs2: reject CLEAN_SEGMENTS ioctl with out-of-range segment numbers
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Merge tag 'for-7.2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs updates from David Sterba:
"The most noticeable change is to enable large folios by default, it's
been in testing for a few releases. Related to that is huge folio
support (still under experimental config). Otherwise a few ioctl
updates, performance improvements and usual fixes and core changes.
User visible changes:
- enable large folios by default, added in 6.17 (under experimental
build), no feature limitations, a big change internally
- new ioctl to return raw checksums to userspace (a bit tricky given
compression and tail extents), can be used for mkfs and
deduplication optimizations
- provide stable UUID for e.g. overlayfs and temp_fsid, also
reflected in statvfs() field f_fsid, internal dev_t is hashed in to
allow cloning
- add 32bit compat version of GET_SUBVOL_INFO ioctl
- in experimental build, support huge folios (up to 2M)
Performance related improvements/changes:
- limit bio size to the estimated optimum derived from the queue,
this prevents build up of too much data for writeback, which could
cause latency spikes (reported improvement 15% on sequential
writes)
- don't force direct IO to be serialized, forgotten change during
mount API port, brings back +60% of throughput
- lockless calculation of number of shrinkable extent maps, improve
performance with many memcg allocated objects
Notable fixes:
- in zoned mode, fix a deadlock due to zone reclaim and relocation
when space needs to be flushed
- don't trim device which is internally not tracked as writeable
(e.g. when missing device is being rescanned)
- fix deadlock when cloning inline extent and mounted with
flushoncommit
- fix false IO failures after direct IO falls back to buffered write
in some cases
Core:
- remove COW fixup mechanism completely; detect and fix changes to
pages outside of filesystem tracking, guaranteed since 5.8, grace
period is over
- remove 2K block size support, experimental to test subpage code on
x86_64 but now it would block folio changes
- tree-checker improvements of:
- free-space cache and tree items
- root reference and backref items
- extent state exceptions in reloc tree
- subpage mode updates:
- code optimizations, simplify tracking bitmaps
- re-enable readahead of compressed extent
- extend bitmap size to cover huge folios
- add tracepoints related to sync, tree-log and transactions
- device stats item tracking unification, remove item if there are no
stats recorded, also don't leave stale stats on replaced device
- allow extent buffer pages to be allocated as movable, to help page
migration
- added checks for proper extent buffer release
- btrfs.ko code size reduction due to transaction abort call
simplifications
- several struct size reductions
- more auto free conversions
- more verbose assertions"
* tag 'for-7.2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (130 commits)
btrfs: fix use-after-free after relocation failure with concurrent COW
btrfs: move WARN_ON on unexpected error in __add_tree_block()
btrfs: move locking into btrfs_get_reloc_bg_bytenr()
btrfs: lzo: reject compressed segment that overflows the compressed input
btrfs: retry faulting in the pages after a zero sized short direct write
btrfs: fix incorrect buffered IO fallback for append direct writes
btrfs: fix false IO failure after falling back to buffered write
btrfs: use verbose assertions in backref.c
btrfs: print a message when a missing device re-appears
btrfs: do not trim a device which is not writeable
btrfs: return real error after lookup failure in btrfs_ioctl_default_subvol()
btrfs: use mapping shared locking for reading super block
btrfs: use lockless read in nr_cached_objects shrinker callback
btrfs: switch local indicator variables to bools
btrfs: send: pass bool for pending_move and refs_processed parameters
btrfs: use shifts for sectorsize and nodesize
btrfs: fix deadlock cloning inline extent when using flushoncommit
btrfs: allocate eb-attached btree pages as movable
btrfs: add 32-bit compat ioctl for BTRFS_IOC_GET_SUBVOL_INFO
btrfs: derive f_fsid from on-disk fsid and dev_t
...
There are four fixes/cleanups in this series; none are likely to be issues
in real usage:
- improve debugfs error exit path
- fix sequence number ordering in an artificial test case
- fix usercopy_abort for lvb data
- use hlist_for_each_entry_srcu for srcu lists
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Merge tag 'dlm-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm
Pull dlm updates from David Teigland:
"There are four fixes/cleanups in this series; none are likely to be
issues in real usage:
- improve debugfs error exit path
- fix sequence number ordering in an artificial test case
- fix usercopy_abort for lvb data
- use hlist_for_each_entry_srcu for srcu lists"
* tag 'dlm-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm:
dlm: init per node debugfs before add to node hash
dlm: fix add msg handle in send_queue ordered
dlm: add usercopy whitelist to dlm_cb cache
dlm: use hlist_for_each_entry_srcu for SRCU protected lists
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Merge tag 'fs_for_v7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull udf, isofs, ext2, and quota updates from Jan Kara:
- Assorted udf & isofs fixes for maliciously formatted devices
- Cleanups to use kmalloc() instead of __get_free_page()
- Removal of deprecated DAX code from ext2
* tag 'fs_for_v7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
udf: validate VAT inode size for old VAT format
udf: validate VAT header length against the VAT inode size
udf: validate sparing table length as an entry count, not a byte count
isofs: bound Rock Ridge symlink components to the SL record
ext2: fix ignored return value of generic_write_sync()
ext2: Remove deprecated DAX support
isofs: replace __get_free_page() with kmalloc()
quota: allocate dquot_hash with kmalloc()
udf: validate free block extents against the partition length
