linux-kernel - Re: [PATCH] x86,sched: Fix sched_smt_power

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Date:	Mon, 09 Jan 2012 15:35:07 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	svaidy@...ux.vnet.ibm.com
Cc:	Youquan Song <youquan.song@...el.com>,
	linux-kernel@...r.kernel.org, mingo@...e.hu, tglx@...utronix.de,
	hpa@...or.com, akpm@...ux-foundation.org, stable@...r.kernel.org,
	suresh.b.siddha@...el.com, arjan@...ux.intel.com,
	len.brown@...el.com, anhua.xu@...el.com, chaohong.guo@...el.com,
	Youquan Song <youquan.song@...ux.intel.com>,
	Paul Turner <pjt@...gle.com>
Subject: Re: [PATCH] x86,sched: Fix sched_smt_power_savings totally broken

On Mon, 2012-01-09 at 16:30 +0530, Vaidyanathan Srinivasan wrote:
> Lets combine the MC/SMT options and create sched_powersavings={0,1,2}
> That will make it only one sysfs knob without any dependencies.
> 
Is there really any sane rationale to keep the 1/2 thing? Why not have a
single boolean knob that says performance/power?
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