tree a5259dd7fb4cab05c837bace8a735a439bafc904
parent 3f6da3905398826d85731247e7fbcf53400c18bd
author Peter Zijlstra <a.p.zijlstra@chello.nl> 1267901359 +0100
committer Ingo Molnar <mingo@elte.hu> 1268223745 +0100

perf: Optimize perf_disable

Currently we always call hw_perf_disable(), even if its already disabled,
this seems superflous, esp. since it cannot be made NMI safe (see further
patches).

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: paulus@samba.org
Cc: eranian@google.com
Cc: robert.richter@amd.com
Cc: fweisbec@gmail.com
Cc: Arnaldo Carvalho de Melo <acme@infradead.org>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>