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| author |   Robert Richter <robert.richter@amd.com> | 2011-04-16 02:27:55 +0200 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2011-04-19 10:08:12 +0200 |
| commit | c8e5910edf8bbe2e5c6c35a4ef2a578cc7893b25 (patch) | |
| tree | fa9b4676c4cd01577653941216301cccfb5b52a3 /tools | |
| parent | Merge branch 'perf/urgent' into perf/core (diff) | |
| download | linux-dev-c8e5910edf8bbe2e5c6c35a4ef2a578cc7893b25.tar.xz linux-dev-c8e5910edf8bbe2e5c6c35a4ef2a578cc7893b25.zip | |
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>
Diffstat (limited to 'tools')
0 files changed, 0 insertions, 0 deletions