Commit 288700d1 authored Sep 21, 2012 by Will Deacon

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>

parent 2a4961ba

arch/arm/kernel/perf_event_cpu.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -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;
		}