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authorLinus Torvalds <torvalds@linux-foundation.org>2020-12-06 11:20:18 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2020-12-06 11:20:18 -0800
commit9f6b28d498ba084dff970ad95796642f804ffcd8 (patch)
treec95a19440d177dfe023feb54259e0a44375bd4b3 /mm
parent592d9a0835c97f54744a7c3ce845c16735c0ab14 (diff)
parentfc17db8aa4c53cbd2d5469bb0521ea0f0a6dbb27 (diff)
Merge tag 'perf-urgent-2020-12-06' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Thomas Gleixner: "Two fixes for performance monitoring on X86: - Add recursion protection to another callchain invoked from x86_pmu_stop() which can recurse back into x86_pmu_stop(). The first attempt to fix this missed this extra code path. - Use the already filtered status variable to check for PEBS counter overflow bits and not the unfiltered full status read from IA32_PERF_GLOBAL_STATUS which can have unrelated bits check which would be evaluated incorrectly" * tag 'perf-urgent-2020-12-06' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/x86/intel: Check PEBS status correctly perf/x86/intel: Fix a warning on x86_pmu_stop() with large PEBS
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