[PATCH] ARM: perf: save/restore pmu registers in pm notifier
Stephen Boyd
sboyd at codeaurora.org
Fri Apr 11 11:31:45 PDT 2014
On 04/11/14 04:01, Neil Zhang wrote:
> @@ -217,6 +219,24 @@ static struct notifier_block cpu_pmu_hotplug_notifier = {
> .notifier_call = cpu_pmu_notify,
> };
>
> +static int cpu_pmu_pm_notify(struct notifier_block *b,
> + unsigned long action, void *hcpu)
> +{
> + int cpu = smp_processor_id();
> + struct cpupmu_regs *pmuregs = &per_cpu(cpu_pmu_regs, cpu);
this_cpu_ptr(&cpu_pmu_regs)?
--
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