linux-kernel - Re: [PATCH 1/3] Introducing cpuidle: core cpuidle infrastructure

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Date:	Tue, 13 Feb 2007 08:58:09 +0100
From:	Arjan van de Ven <arjan@...radead.org>
To:	Dave Jones <davej@...hat.com>
Cc:	Venkatesh Pallipadi <venkatesh.pallipadi@...el.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...l.org>, Adam Belay <abelay@...ell.com>,
	Shaohua Li <shaohua.li@...el.com>,
	Len Brown <len.brown@...el.com>
Subject: Re: [PATCH 1/3] Introducing cpuidle: core cpuidle infrastructure


> The only differentiator that I can think of would be latency, but that seems
> to be a) covered in a different tunable, and b) probably wouldn't affect
> most people enough where it matters.
> 

and for latency the kernel already has a policy thing that tracks the
maximum latency allowed.... if we need to give the user a knob to shoot
himself into the foot with that one should probably be exported instead
(although I'm still convinced it's a mistake since our beloved userspace
WILL abuse it in the most unimaginable ways)

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