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authorRobert Richter <robert.richter@amd.com>2011-04-16 02:27:55 +0200
committerIngo Molnar <mingo@elte.hu>2011-04-19 10:08:12 +0200
commitc8e5910edf8bbe2e5c6c35a4ef2a578cc7893b25 (patch)
treefa9b4676c4cd01577653941216301cccfb5b52a3 /tools/perf
parent68d2cf25d39324c54b5e42de7915c623a0917abe (diff)
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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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