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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2024-11-03 21:13:52 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2024-11-03 21:13:52 +0300 |
| commit | 68f05b251b7156b10a6f6547f7f8672ffb94100f (patch) | |
| tree | 84df6af460dbcb236442e2b8327cd905f4807498 /tools/perf/scripts/python/parallel-perf.py | |
| parent | 8f0b844adc096feee437c6271a1419ee81383fc6 (diff) | |
| parent | e3dfd64c1f344ebec9397719244c27b360255855 (diff) | |
| download | linux-68f05b251b7156b10a6f6547f7f8672ffb94100f.tar.xz | |
Merge tag 'perf-urgent-2024-11-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fix from Thomas Gleixner:
"perf_event_clear_cpumask() uses list_for_each_entry_rcu() without
being in a RCU read side critical section, which triggers a
'suspicious RCU usage' warning.
It turns out that the list walk does not be RCU protected because the
write side lock is held in this context.
Change it to a regular list walk"
* tag 'perf-urgent-2024-11-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf: Fix missing RCU reader protection in perf_event_clear_cpumask()
Diffstat (limited to 'tools/perf/scripts/python/parallel-perf.py')
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