From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Tue, 15 Mar 2011 13:37:10 +0000 (+0100)
Subject: perf: Fix tear-down of inherited group events
X-Git-Tag: v2.6.39-rc1~427^2~4
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=commitdiff_plain;h=38b435b16c36b0d863efcf3f07b34a6fac9873fd;hp=ee643c4179c3a18b018de3a4c07a7bb3a75c8e4e

perf: Fix tear-down of inherited group events

When destroying inherited events, we need to destroy groups too,
otherwise the event iteration in perf_event_exit_task_context() will
miss group siblings and we leak events with all the consequences.

Reported-and-tested-by: Vince Weaver <vweaver1@eecs.utk.edu>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: <stable@kernel.org> # .35+
LKML-Reference: <1300196470.2203.61.camel@twins>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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