linux-kernel - Re: [RFC] sched: CPU topology try

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Message-ID: <20140107095723.GB2480@laptop.programming.kicks-ass.net>
Date:	Tue, 7 Jan 2014 10:57:23 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Morten Rasmussen <morten.rasmussen@....com>
Cc:	Dietmar Eggemann <Dietmar.Eggemann@....com>,
	Vincent Guittot <vincent.guittot@...aro.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"mingo@...nel.org" <mingo@...nel.org>,
	"pjt@...gle.com" <pjt@...gle.com>,
	"cmetcalf@...era.com" <cmetcalf@...era.com>,
	"tony.luck@...el.com" <tony.luck@...el.com>,
	"alex.shi@...aro.org" <alex.shi@...aro.org>,
	"preeti@...ux.vnet.ibm.com" <preeti@...ux.vnet.ibm.com>,
	"linaro-kernel@...ts.linaro.org" <linaro-kernel@...ts.linaro.org>,
	"rjw@...k.pl" <rjw@...k.pl>,
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	"james.hogan@...tec.com" <james.hogan@...tec.com>,
	"schwidefsky@...ibm.com" <schwidefsky@...ibm.com>,
	"heiko.carstens@...ibm.com" <heiko.carstens@...ibm.com>
Subject: Re: [RFC] sched: CPU topology try

On Mon, Jan 06, 2014 at 05:15:30PM +0000, Morten Rasmussen wrote:
> Is there any examples of frequency domains not matching the span of a
> sched_domain?

nafaik, but I don't really know much about this anyway.

> I would have thought that we would have a matching sched_domain to hang
> the P and C state information from for most systems. If not, we could
> just add it.

This was my thought too.
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