From: Robert Richter <robert.richter@amd.com>
Date: Sat, 16 Apr 2011 00:27:55 +0000 (+0200)
Subject: perf, x86: Use ALTERNATIVE() to check for X86_FEATURE_PERFCTR_CORE
X-Git-Tag: v3.0-rc1~404^2~29
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c8e5910edf8bbe2e5c6c35a4ef2a578cc7893b25;p=pandora-kernel.git

perf, x86: Use ALTERNATIVE() to check for X86_FEATURE_PERFCTR_CORE

Using ALTERNATIVE() when checking for X86_FEATURE_PERFCTR_CORE avoids
an extra pointer chase and data cache hit.

Signed-off-by: Robert Richter <robert.richter@amd.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1302913676-14352-4-git-send-email-robert.richter@amd.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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