Re: [PATCH v9 08/15] sched/topology: Make Energy Aware Scheduling depend on schedutil

[Rafael J. Wysocki]

On Thu, Nov 22, 2018 at 3:05 PM Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
>
> On Mon, Nov 19, 2018 at 02:18:50PM +0000, Quentin Perret wrote:
> > +                     if (rd->pd)
> > +                             pr_warn("rd %*pbl: Disabling EAS, schedutil is mandatory\n",
> > +                                             cpumask_pr_args(cpu_map));
> > +                     goto free;
>
> I would have preferred just not allowing the governor to change at all,
> but if you want to allow that, this is, I suppose, the best you can do.
>
> Rafael, are you otherwise OK with the grubbing inside cpufreq?

Sort of. :-)

I would put the sched_cpufreq_governor_change() header (and the static
inline stub of it) into linux/cpufreq.h (instead of
linux/sched/cpufreq.h) so that cpufreq.c doesn't have to include
linux/sched/cpufreq.h which is kind of confusing.

Apart from that the changes are fine by me.