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| author | Will Deacon <will.deacon@arm.com> | 2012-09-21 14:14:17 +0100 |
|---|---|---|
| committer | Sudeep KarkadaNagesha <sudeep.karkadanagesha@arm.com> | 2012-10-09 15:01:52 +0100 |
| commit | 6a52c5147252409b7801c4c48a3e55dd41d3f30f (patch) | |
| tree | 072829897c927cf5da0f0cc007a83ceec0386624 | |
| parent | 4bddd71726d3a682bfa68bd3857aefb91e969a91 (diff) | |
ARM: perf: return NOTIFY_DONE from cpu notifier when no available PMU
When attempting to reset the PMU state for either a NULL PMU or a PMU
implementation without a reset function, return NOTIFY_DONE from the CPU
notifier as we don't care about the hotplug event.
Signed-off-by: Will Deacon <will.deacon@arm.com>
| -rw-r--r-- | arch/arm/kernel/perf_event_cpu.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/kernel/perf_event_cpu.c b/arch/arm/kernel/perf_event_cpu.c index 71c824ce020..db9c6b530f3 100644 --- a/arch/arm/kernel/perf_event_cpu.c +++ b/arch/arm/kernel/perf_event_cpu.c @@ -165,6 +165,8 @@ static int __cpuinit cpu_pmu_notify(struct notifier_block *b, if (cpu_pmu && cpu_pmu->reset) cpu_pmu->reset(cpu_pmu); + else + return NOTIFY_DONE; return NOTIFY_OK; } |