linux-kernel - Re: [RFC] Introduce greedy hrtimer walk on idle

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Message-ID: <39635.1316824182@turing-police.cc.vt.edu>
Date:	Fri, 23 Sep 2011 20:29:42 -0400
From:	Valdis.Kletnieks@...edu
To:	Venki Pallipadi <venki@...gle.com>
Cc:	Arjan van de Ven <arjan@...ux.intel.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...e.hu>,
	Suresh Siddha <suresh.b.siddha@...el.com>,
	linux-kernel@...r.kernel.org, Andi Kleen <andi@...stfloor.org>
Subject: Re: [RFC] Introduce greedy hrtimer walk on idle

On Fri, 23 Sep 2011 16:50:15 PDT, Venki Pallipadi said:

> Yes. I kept the sysctl there for this RFC, so that anyone testing this
> can easily switch this on/off and measure the impact. Will remove it
> in updates..

I presume we have a plan to ensure the sysctl gets removed/disabled
for releases, so it doesn't escape and become official API we then have
to deprecate? ("We'll stuff it in at the front of the 3.2 merge window, and
nuke it around 3.2-rc5" is OK by me...)

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