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perf_counter: avoid recursion
authorPeter Zijlstra <a.p.zijlstra@chello.nl>
Mon, 23 Mar 2009 17:22:07 +0000 (18:22 +0100)
committerIngo Molnar <mingo@elte.hu>
Mon, 6 Apr 2009 07:30:25 +0000 (09:30 +0200)
Tracepoint events like lock_acquire and software counters like
pagefaults can recurse into the perf counter code again, avoid that.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Orig-LKML-Reference: <20090323172417.152096433@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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