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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-10-13 09:05:37 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-10-13 09:05:37 +0200 |
| commit | e66d001c454b9ac8d7b809e84f457b98def209a1 (patch) | |
| tree | c8686bcdbe83e12216f3ad20202105d3b11c9b56 /drivers | |
| parent | bab5c80b211035739997ebd361a679fa85b39465 (diff) | |
| parent | ca2b497253ad01c80061a1f3ee9eb91b5d54a849 (diff) | |
| download | lwn-e66d001c454b9ac8d7b809e84f457b98def209a1.tar.gz lwn-e66d001c454b9ac8d7b809e84f457b98def209a1.zip | |
Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Will writes:
"More arm64 fixes
- Reject CHAIN PMU events when they are not part of a 64-bit counter
- Fix WARN_ON_ONCE() that triggers for reserved regions that don't
correspond to mapped memory"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: perf: Reject stand-alone CHAIN events for PMUv3
arm64: Fix /proc/iomem for reserved but not memory regions
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/perf/arm_pmu.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c index 7f01f6f60b87..d0b7dd8fb184 100644 --- a/drivers/perf/arm_pmu.c +++ b/drivers/perf/arm_pmu.c @@ -485,7 +485,13 @@ static int armpmu_filter_match(struct perf_event *event) { struct arm_pmu *armpmu = to_arm_pmu(event->pmu); unsigned int cpu = smp_processor_id(); - return cpumask_test_cpu(cpu, &armpmu->supported_cpus); + int ret; + + ret = cpumask_test_cpu(cpu, &armpmu->supported_cpus); + if (ret && armpmu->filter_match) + return armpmu->filter_match(event); + + return ret; } static ssize_t armpmu_cpumask_show(struct device *dev, |