linux-kernel - Re: [patch] change futex

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Message-Id: <1173697220.13341.84.camel@localhost.localdomain>
Date:	Mon, 12 Mar 2007 12:00:20 +0100
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	Ingo Molnar <mingo@...e.hu>, Roland McGrath <roland@...hat.com>,
	akpm@...ux-foundation.org, mm-commits@...r.kernel.org,
	npiggin@...e.de, drepper@...hat.com, oleg@...sign.ru,
	sebastien.dugue@...l.net, linux-kernel@...r.kernel.org
Subject: Re: [patch] change futex_wait() to hrtimers

On Mon, 2007-03-12 at 12:27 +0100, Andi Kleen wrote:
> Ingo Molnar <mingo@...e.hu> writes:
> > 
> > the only correct approach is the use of hrtimers, and a patch exists for 
> > that - see below. This has been included in -rt for quite some time.
> 
> But isn't that bad for power management? You'll likely get more
> idle wakeups, won't you?

Why so ? It comes more precise, but only once.

	tglx


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