perf: Fix pmu_filter_match()

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Mark reported that the new for_each_sibling_event() assertion triggers
in pmu_filter_match() -- which isn't always called with IRQs disabled
or ctx->mutex held.

Fixes: f3c0eba287 ("perf: Add a few assertions")
Reported-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/YvvJq2f/7eFVcnNy@FVFF77S0Q05N

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Peter Zijlstra 2022-10-04 11:03:47 +02:00

parent 0ce38047e8

commit 7be51cc1c6

1 changed files with 9 additions and 3 deletions

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kernel/events/core.c

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