On Thu, 2015-07-23 at 12:18 +0530, Madhavan Srinivasan wrote:
>
> On Wednesday 22 July 2015 10:33 AM, Daniel Axtens wrote:
> >> +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?
>
> No, that is max possible pmu, but we may have only couple for nest pmus
> registered.
>
What if we have P8_NEST_MAX_PMUS registered? Then we'll check beyond the
end of the array...> Thanks for the review comments > Maddy > > > -- Regards, Daniel
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