tree fa9b4676c4cd01577653941216301cccfb5b52a3
parent 68d2cf25d39324c54b5e42de7915c623a0917abe
author Robert Richter <robert.richter@amd.com> 1302913675 +0200
committer Ingo Molnar <mingo@elte.hu> 1303200492 +0200

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>