From: Ingo Molnar <mingo@elte.hu>
Date: Sun, 21 Dec 2008 12:50:42 +0000 (+0100)
Subject: perfcounters: enable lowlevel pmc code to schedule counters
X-Git-Tag: v2.6.31-rc1~383^2~543
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=95cdd2e7851cce79ab839cb0b3cbe68d7911d0f1;p=pandora-kernel.git

perfcounters: enable lowlevel pmc code to schedule counters

Allow lowlevel ->enable() op to return an error if a counter can not be
added. This can be used to handle counter constraints.

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