Re: [PATCH v2 5/7] sched: add a new SD_SHARE_POWERDOMAIN for sched_domain

From: Peter Zijlstra
Date: Wed Mar 19 2014 - 08:02:07 EST

On Tue, Mar 18, 2014 at 06:56:47PM +0100, Vincent Guittot wrote:
> A new flag SD_SHARE_POWERDOMAIN is created to reflect whether groups of CPUs
> in a sched_domain level can or not reach different power state. As an example,
> the flag should be cleared at CPU level if groups of cores can be power gated
> independently. This information can be used to add load balancing level between
> group of CPUs than can power gate independantly. The default behavior of the
> scheduler is to spread tasks across CPUs and groups of CPUs

> so the flag is set into all sched_domains.

I suppose that is the part Preeti stumbled over; as did I. Its not set
at all.
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