diff options
author | Will Deacon <will.deacon@arm.com> | 2012-09-21 14:14:17 +0100 |
---|---|---|
committer | Viresh Kumar <viresh.kumar@linaro.org> | 2012-11-14 09:08:13 +0530 |
commit | dbb9cfec3c0a59d9affe7fea266adec7efb3acb7 (patch) | |
tree | d64f334fb4fd3fcc7c1d4ffd37ffa053d24cd77b | |
parent | 8c98428b73b5b5fd73735cd423664ab89bdbed11 (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 71c824ce0203..db9c6b530f3c 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; } |