From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 24 Nov 2010 09:05:55 +0000 (+0100)
Subject: perf: Fix inherit vs. context rotation bug
X-Git-Tag: v2.6.37-rc4~12^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dddd3379a619a4cb8247bfd3c94ca9ae3797aa2e;p=pandora-kernel.git

perf: Fix inherit vs. context rotation bug

It was found that sometimes children of tasks with inherited events had
one extra event. Eventually it turned out to be due to the list rotation
no being exclusive with the list iteration in the inheritance code.

Cure this by temporarily disabling the rotation while we inherit the events.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <new-submission>
Cc: <stable@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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