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

From: Daniel Axtens <[email-masked]>
Date: Wed, 22 Jul 2015 15:03:24 +1000

> +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