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perf: Optimize the hotpath by converting the perf output buffer to local_t
authorPeter Zijlstra <a.p.zijlstra@chello.nl>
Tue, 18 May 2010 08:54:20 +0000 (10:54 +0200)
committerIngo Molnar <mingo@elte.hu>
Tue, 18 May 2010 16:35:49 +0000 (18:35 +0200)
Since there is now only a single writer, we can use
local_t instead and avoid all these pesky LOCK insn.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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