From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262084AbUBWXEG (ORCPT ); Mon, 23 Feb 2004 18:04:06 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262061AbUBWXAo (ORCPT ); Mon, 23 Feb 2004 18:00:44 -0500 Received: from hera.kernel.org ([63.209.29.2]:5336 "EHLO hera.kernel.org") by vger.kernel.org with ESMTP id S262078AbUBWW4d (ORCPT ); Mon, 23 Feb 2004 17:56:33 -0500 To: linux-kernel@vger.kernel.org From: hpa@zytor.com (H. Peter Anvin) Subject: Re: Intel vs AMD x86-64 Date: Mon, 23 Feb 2004 22:56:29 +0000 (UTC) Organization: Transmeta Corporation, Santa Clara CA Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT X-Trace: terminus.zytor.com 1077576989 15720 63.209.29.3 (23 Feb 2004 22:56:29 GMT) X-Complaints-To: news@terminus.zytor.com NNTP-Posting-Date: Mon, 23 Feb 2004 22:56:29 +0000 (UTC) X-Newsreader: trn 4.0-test76 (Apr 2, 2001) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Followup to: By author: Linus Torvalds In newsgroup: linux.dev.kernel > > > > On Mon, 23 Feb 2004, Rik van Riel wrote: > > On Sat, 21 Feb 2004, Linus Torvalds wrote: > > > > > I'm really happy Intel finally got with the program, > > > > With the program? They still don't have an IOMMU ;) > > Hmm.. Let's see what their chipsets will look like for this thing. Since > they don't have an integrated memory controller, they can't very well do > the IOMMU on the CPU, now can they? > > So you can't blame them for that. > No, it should be in the northbridge. Note that *most* AGPGARTs work as IOMMUs, but not all. They may not be 64 bits, though. -hpa