From: Ingo Molnar <mingo@elte.hu>
Date: Thu, 11 Dec 2008 10:26:29 +0000 (+0100)
Subject: perf counters: group counter, fixes
X-Git-Tag: v2.6.31-rc1~383^2~577
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ccff286d85098ba5438e22aa2ea807fc1e18cf2f;p=pandora-kernel.git

perf counters: group counter, fixes

Impact: bugfix

Check that a group does not span outside the context of a CPU or a task.

Also, do not allow deep recursive hierarchies.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
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