linux-kernel - Re: RFC: revert request for cpuidle patches e11538d1 and 69a37bea

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Message-ID: <51F656CC.10104@linux.intel.com>
Date:	Mon, 29 Jul 2013 04:49:32 -0700
From:	Arjan van de Ven <arjan@...ux.intel.com>
To:	Daniel Lezcano <daniel.lezcano@...aro.org>
CC:	Rik van Riel <riel@...hat.com>, Jeremy Eder <jeder@...hat.com>,
	linux-kernel@...r.kernel.org, rafael.j.wysocki@...el.com,
	youquan.song@...el.com, paulmck@...ux.vnet.ibm.com,
	len.brown@...el.com, Vincent Guittot <vincent.guittot@...aro.org>
Subject: Re: RFC:  revert request for cpuidle patches e11538d1 and 69a37bea

>
> Beside that, on ARM the cpus could be coupled and the timer to detect
> the prediction will wake up the entire cluster, making the power saving
> less efficient and impacting the statistics of the other cpu.

an ARM specific governor would be quite appropriate in that case.

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