From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Sat, 6 Mar 2010 18:49:19 +0000 (+0100)
Subject: perf: Optimize perf_disable
X-Git-Tag: v2.6.34-rc2~19^2~33
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=32975a4f114be52286f9a5bf6c230dbb8c0e1903;p=pandora-kernel.git

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>
---

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