linux-kernel - Re: [RFC PATCH 0/4] timers: Timer migration

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Message-ID: <20081016073749.4f944a19@infradead.org>
Date:	Thu, 16 Oct 2008 07:37:49 -0700
From:	Arjan van de Ven <arjan@...radead.org>
To:	arun@...ux.vnet.ibm.com
Cc:	linux-kernel@...r.kernel.org, linux-pm@...ts.linux-foundation.org,
	a.p.zijlstra@...llo.nl, ego@...ibm.com, tglx@...utronix.de,
	mingo@...e.hu, andi@...stfloor.org, venkatesh.pallipadi@...el.com,
	vatsa@...ux.vnet.ibm.com
Subject: Re: [RFC PATCH 0/4] timers: Timer migration

On Thu, 16 Oct 2008 17:12:39 +0530
> 
> 
> Here's a brief introduction as to why we need timer migration.
> 

as I've said before, for reducing power consumption I don't buy into
needing this concept....

If you have high frequency timers, you've lost no matter what (and we
fixed almost all of them in the ecosystem); if you don't have those
then this patch doesn't really add anything.
(and the range-hrtimers fixes the intermediate state)

-- 
Arjan van de Ven 	Intel Open Source Technology Centre
For development, discussion and tips for power savings, 
visit http://www.lesswatts.org
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