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| author |   Ingo Molnar <mingo@kernel.org> | 2020-10-09 08:35:01 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2020-10-09 08:56:02 +0200 |
| commit | d6c4c11348816fb4d16e33bf47d559d7aa59350a (patch) | |
| tree | 14d6c6a8d7b88b4f06647717320562b6e525668a /tools/perf/scripts/python/event_analyzing_sample.py | |
| parent | Merge branch 'locking/urgent' into locking/core, to pick up fixes (diff) | |
| parent | kcsan: Use tracing-safe version of prandom (diff) | |
| download | linux-dev-d6c4c11348816fb4d16e33bf47d559d7aa59350a.tar.xz linux-dev-d6c4c11348816fb4d16e33bf47d559d7aa59350a.zip | |
Merge branch 'kcsan' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into locking/core
Pull KCSAN updates for v5.10 from Paul E. McKenney:
- Improve kernel messages.
- Be more permissive with bitops races under KCSAN_ASSUME_PLAIN_WRITES_ATOMIC=y.
- Optimize debugfs stat counters.
- Introduce the instrument_*read_write() annotations, to provide a
finer description of certain ops - using KCSAN's compound instrumentation.
Use them for atomic RNW and bitops, where appropriate.
Doing this might find new races.
(Depends on the compiler having tsan-compound-read-before-write=1 support.)
- Support atomic built-ins, which will help certain architectures, such as s390.
- Misc enhancements and smaller fixes.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/event_analyzing_sample.py')
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