linux-kernel - Re: [PATCH v2 7/7] sched: powerpc: Add SD_SHARE_POWERDOMAIN for SMT level

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Message-ID: <CAKfTPtAMVoZbdqafwCmU3mGeO+UiXEamtwqF-MMLsEqQnSc8FQ@mail.gmail.com>
Date:	Wed, 19 Mar 2014 13:30:26 +0100
From:	Vincent Guittot <vincent.guittot@...aro.org>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	"fenghua.yu@...el.com" <fenghua.yu@...el.com>,
	"linaro-kernel@...ts.linaro.org" <linaro-kernel@...ts.linaro.org>,
	"tony.luck@...el.com" <tony.luck@...el.com>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	"cmetcalf@...era.com" <cmetcalf@...era.com>,
	Dietmar Eggemann <dietmar.eggemann@....com>,
	"schwidefsky@...ibm.com" <schwidefsky@...ibm.com>,
	"james.hogan@...tec.com" <james.hogan@...tec.com>,
	Preeti U Murthy <preeti@...ux.vnet.ibm.com>,
	Ingo Molnar <mingo@...nel.org>,
	LAK <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v2 7/7] sched: powerpc: Add SD_SHARE_POWERDOMAIN for SMT level

On 19 March 2014 13:05, Peter Zijlstra <peterz@...radead.org> wrote:
> On Tue, Mar 18, 2014 at 06:56:49PM +0100, Vincent Guittot wrote:
>> Set the power domain dependency at SMT level of Power8 but keep the flag
>> clear at CPU level. The goal is to consolidate tasks on the threads of a
>> core up to a level as decribed in the link below:
>> https://lkml.org/lkml/2014/3/12/16
>
> I've not yet looked at the link; but its best to avoid references and
> have a Changelog that can stand on its own.

I can copy/paste Preeti's explanation in the commit message

>
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