From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Fri, 20 Nov 2009 21:19:56 +0000 (+0100)
Subject: perf: Fix locking for PERF_FORMAT_GROUP
X-Git-Tag: v2.6.33-rc1~399^2~126
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6f10581aeaa5543a3b7a8c7a87a064375ec357f8;p=pandora-kernel.git

perf: Fix locking for PERF_FORMAT_GROUP

We should hold event->child_mutex when iterating the inherited
counters, we should hold ctx->mutex when iterating siblings.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <20091120212509.251030114@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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