Re: [PATCH] sched/fair: check for idle core

Rafael J. Wysocki
2020-10-23T15:06:18Z

On Friday, October 23, 2020 8:12:46 AM CEST Viresh Kumar wrote:
> On 22-10-20, 13:45, Rafael J. Wysocki wrote:
> > On Thursday, October 22, 2020 12:47:03 PM CEST Viresh Kumar wrote:
> > > And I am not really sure why we always wanted this backup performance
> > > governor to be there unless the said governors are built as module.
> >
> > Apparently, some old drivers had problems with switching frequencies fast enough
> > for ondemand to be used with them and the fallback was for those cases. AFAICS.
>
> Do we still need this ?

For the reasonably modern hardware, I don't think so.

> Or better ask those platforms to individually
> enable both of them.

Bu who knows what they are? :-)