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| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2012-06-08 14:50:50 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-07-05 21:55:57 +0200 |
| commit | c93dc84cbe32435be3ffa2fbde355eff94955c32 (patch) | |
| tree | b650cfcea486aa0dd1612f187156c7b84fb97661 /security | |
| parent | f285f92f7e4c9af20149130c8fd5027131b39b0e (diff) | |
| download | lwn-c93dc84cbe32435be3ffa2fbde355eff94955c32.tar.gz lwn-c93dc84cbe32435be3ffa2fbde355eff94955c32.zip | |
perf/x86: Add a microcode revision check for SNB-PEBS
Recent Intel microcode resolved the SNB-PEBS issues, so conditionally
enable PEBS on SNB hardware depending on the microcode revision.
Thanks to Stephane for figuring out the various microcode revisions.
Suggested-by: Stephane Eranian <eranian@google.com>
Acked-by: Borislav Petkov <borislav.petkov@amd.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/n/tip-v3672ziwh9damwqwh1uz3krm@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'security')
0 files changed, 0 insertions, 0 deletions