Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Merge tag 'perf-urgent-2023-11-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 perf event fix from Ingo Molnar:
"Fix a bug in the Intel hybrid CPUs hardware-capabilities enumeration
code resulting in non-working events on those platforms"
* tag 'perf-urgent-2023-11-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86/intel: Correct incorrect 'or' operation for PMU capabilities
+1
-1
+1
-1
arch/x86/events/intel/core.c
+1
-1
arch/x86/events/intel/core.c
···
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if (pmu->intel_cap.pebs_output_pt_available)
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pmu->pmu.capabilities |= PERF_PMU_CAP_AUX_OUTPUT;
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else
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-
pmu->pmu.capabilities |= ~PERF_PMU_CAP_AUX_OUTPUT;
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+
pmu->pmu.capabilities &= ~PERF_PMU_CAP_AUX_OUTPUT;
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intel_pmu_check_event_constraints(pmu->event_constraints,
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pmu->num_counters,