linux-kernel - Re: [PATCH v3 04/12] sched: Allow all archs to set the power

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Date:	Tue, 08 Jul 2014 23:11:07 -0400
From:	Rik van Riel <riel@...hat.com>
To:	Vincent Guittot <vincent.guittot@...aro.org>, peterz@...radead.org,
	mingo@...nel.org, linux-kernel@...r.kernel.org,
	linux@....linux.org.uk, linux-arm-kernel@...ts.infradead.org
CC:	preeti@...ux.vnet.ibm.com, Morten.Rasmussen@....com, efault@....de,
	nicolas.pitre@...aro.org, linaro-kernel@...ts.linaro.org,
	daniel.lezcano@...aro.org, dietmar.eggemann@....com
Subject: Re: [PATCH v3 04/12] sched: Allow all archs to set the power_orig

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On 06/30/2014 12:05 PM, Vincent Guittot wrote:
> power_orig is only changed for system with a SMT sched_domain level
> in order to reflect the lower capacity of CPUs. Heterogenous system
> also have to reflect an original capacity that is different from
> the default value.
> 
> Create a more generic function arch_scale_cpu_power that can be
> also used by non SMT platform to set power_orig.
> 
> The weak behavior of arch_scale_cpu_power is the previous SMT one
> in order to keep backward compatibility in the use of power_orig.
> 
> Signed-off-by: Vincent Guittot <vincent.guittot@...aro.org>

Acked-by: Rik van Riel <riel@...hat.com>


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