[PATCH v5 7/7] powerpc/powernv: nest pmu cpumask and cpu hotplug support

Daniel Axtens dja at axtens.net
Wed Jul 22 15:03:24 AEST 2015


> +static void nest_change_cpu_context(int old_cpu, int new_cpu)
> +{
> +	int i;
> +
> +	for (i = 0; per_nest_pmu_arr[i] != NULL; i++)
> +		perf_pmu_migrate_context(&per_nest_pmu_arr[i]->pmu,
> +						old_cpu, new_cpu);
From patch 4, I see per_nest_pmu_arr is defined as:
 +static struct nest_pmu *per_nest_pmu_arr[P8_NEST_MAX_PMUS];

Therefore, does this loop need to have a check that 
i < P8_NEST_MAX_PMUS?


-- 
Regards,
Daniel
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