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Date: Tue, 24 Feb 2004 16:44:04 +0000
From: Dave Jones <davej@redhat.com>
To: Albert Cahalan <albert@users.sourceforge.net>
Cc: linux-kernel mailing list <linux-kernel@vger.kernel.org>, davem@redhat.com,
       Linus Torvalds <torvalds@osdl.org>
Subject: Re: Intel vs AMD x86-64
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On Mon, Feb 23, 2004 at 09:42:05PM -0500, Albert Cahalan wrote:
 > Setting up only one of the IO-MMUs would be neat.

AGPv3 standard mandates that you MUST keep all GARTs coherent,
so this isn't possible.  The amd64 GART driver goes to great
lengths to make sure it does update the northbridges on every
CPU whenever something changes.

		Dave