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(parent: 0ee098c) | patch
perf/core: Fix __perf_read_group_add() locking
authorPeter Zijlstra <peterz@infradead.org>
Tue, 5 Sep 2017 11:38:24 +0000 (13:38 +0200)
committerIngo Molnar <mingo@kernel.org>
Fri, 27 Oct 2017 08:31:57 +0000 (10:31 +0200)
commita9cd8194e1e6bd09619954721dfaf0f94fe2003e
tree960eefc8af70349f91914c2b4410cf2e8b8e96fftree
parent0ee098c97a6ebe163180e74b740c0a37bcdaa173commit | diff
perf/core: Fix __perf_read_group_add() locking

Event timestamps are serialized using ctx->lock, make sure to hold it
over reading all values.

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>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
kernel/events/core.c diff | blob | history
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