Messages in this thread | | | Date | Fri, 11 Apr 2014 11:31:45 -0700 | From | Stephen Boyd <> | Subject | Re: [PATCH] ARM: perf: save/restore pmu registers in pm notifier |
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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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