Peter Zijlstra 6d1acfd5c6 perf: Optimize perf_output_*() by avoiding local_xchg()
Since the x86 XCHG ins implies LOCK, avoid the use by
using a sequence count instead.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-05-18 18:35:49 +02:00
..
2010-03-24 14:38:37 +01:00
2010-01-17 21:55:31 +11:00
2010-04-21 08:09:17 +02:00
2010-03-01 23:52:31 -08:00