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(parent: 7d9285e) | patch
perf/core: Fix perf_event_read_value() locking
authorPeter Zijlstra <peterz@infradead.org>
Tue, 5 Sep 2017 11:23:44 +0000 (13:23 +0200)
committerIngo Molnar <mingo@kernel.org>
Fri, 27 Oct 2017 08:31:57 +0000 (10:31 +0200)
commitca0dd44cf37bfe316751e1701439c3ff44beb05c
tree2c8b7b0d6fb8fb31ae29d00ab2cb25523b9bf9c5tree | snapshot
parent7d9285e82db5defca4d9674ba089429eeca0c697commit | diff
perf/core: Fix perf_event_read_value() locking

perf_event_read_value() is an external accessor, just like
perf_event_{en,dis}able() and should thus use perf_event_ctx_lock().

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes: f63a8daa5812 ("perf: Fix event->ctx locking")
Signed-off-by: Ingo Molnar <mingo@kernel.org>
kernel/events/core.c diff | blob | history
Domain: System / Kernel;