Re: [PATCH v5 09/13] perf/x86/amd: add idle hooks for branch sampling

From: Stephane Eranian
Date: Tue Feb 01 2022 - 02:34:26 EST


On Thu, Jan 27, 2022 at 5:07 AM Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
>
> On Wed, Jan 26, 2022 at 03:34:50PM -0800, Stephane Eranian wrote:
> > +static inline void perf_lopwr_cb(bool mode)
> > +{
> > + /* key enabled only when BRS is available */
> > + if (static_branch_unlikely(&perf_lopwr_needed))
> > + perf_amd_brs_lopwr_cb(mode);
> > +}
>
> static_call() might be better at this point..
Ok, I will fix this in v6.
Thanks.