Re: [PATCH 3/3] sched: Disable affine wakeups by default

Suresh Siddha
2009-10-26T11:33:42Z

On Mon, 2009-10-26 at 00:05 -0700, Arjan van de Ven wrote:
> On Mon, 26 Oct 2009 08:01:12 +0100
> Ingo Molnar <mingo@elte.hu> wrote:
>
> > Correct. There's a few cpus where multicore means separate caches but
> > all modern CPUs have shared caches for cores so we want to tune for
> > that.
>
> for those cpus where mc means separate caches we should fix the arch
> code to set up separate MC domains to be honest..
> I can look into that in a bit..

In the default performance mode, multi-core domain is populated with
only cores sharing last-level cache. In the case where the cores don't
share caches, we represent them in the smp domain.

thanks,
suresh