linux-kernel - Re: 'global' rq->clock

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Message-ID: <20080503193903.GB25097@elte.hu>
Date:	Sat, 3 May 2008 21:39:03 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	David Miller <davem@...emloft.net>
Cc:	a.p.zijlstra@...llo.nl, efault@....de, elendil@...net.nl,
	parag.warudkar@...il.com, linux-kernel@...r.kernel.org,
	guichaz@...oo.fr, andi@...stfloor.org
Subject: Re: 'global' rq->clock


* David Miller <davem@...emloft.net> wrote:

> From: Ingo Molnar <mingo@...e.hu>
> Date: Sat, 3 May 2008 12:10:16 +0200
> 
> > The bus-to-phys complication which is an identity on x86. Etc. etc.
> 
> And you guys have IOMMUs now, aren't you glad all of this nice DMA API 
> infrastructure exists already and has been tested for years? :-))))

yes :) But i hope we'll never have to flush caches by hand or change 
endianness ;-)

	Ingo
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