Re: [RFC][PATCH 1/2] ARM64: add cpu topology definition

Sudeep KarkadaNagesha
2013-07-29T10:15:20Z

On 29/07/13 10:46, Vincent Guittot wrote:
> On 27 July 2013 12:42, Hanjun Guo <hanjun.guo@linaro.org> wrote:
>> Power aware scheduling needs the cpu topology information to improve the
>> cpu scheduler decision making.
>
> It's not only power aware scheduling. The scheduler already uses
> topology and cache sharing when CONFIG_SCHED_MC and/or
> CONFIG_SCHED_SMT are enable. So you should also add these configs for
> arm64 so the scheduler can use it
>
Just for my knowledge, I thought power aware using SCHED_MC/SMT was
removed. I see commit 8e7fbcbc22c12414bcc9dfdd683637f58fb32759 "sched:
Remove stale power aware scheduling remnants and dysfunctional knobs"
I may be missing something here.

Regards,
Sudeep