Re: [RFC 3/5] perf: Allow per PMU access control

[Tvrtko Ursulin]

On 27/09/2018 21:15, Andi Kleen wrote:
> > +	mutex_lock(&pmus_lock);
> > +	list_for_each_entry(pmu, &pmus, entry)
> > +		pmu->perf_event_paranoid = sysctl_perf_event_paranoid;
> > +	mutex_unlock(&pmus_lock);
>
> What happens to pmus that got added later?

There is a hunk a bit lower in the patch where in perf_pmu_register the 
initial setting is assigned from the global sysctl.

> The rest looks good.
>
> Can you post a non RFC version?

Sure!

Regards,

Tvrtko