Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266584AbUF3IMN (ORCPT ); Wed, 30 Jun 2004 04:12:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266583AbUF3IMN (ORCPT ); Wed, 30 Jun 2004 04:12:13 -0400 Received: from jaguar.mkp.net ([192.139.46.146]:1518 "EHLO jaguar.mkp.net") by vger.kernel.org with ESMTP id S266584AbUF3IMK (ORCPT ); Wed, 30 Jun 2004 04:12:10 -0400 To: davidm@hpl.hp.com Cc: arjanv@redhat.com, Jeff Garzik , Terence Ripperda , Linux Kernel Mailing List Subject: Re: 32-bit dma allocations on 64-bit platforms References: <20040623183535.GV827@hygelac> <40D9D7BA.7020702@pobox.com> <16605.1055.383447.805653@napali.hpl.hp.com> <1088234187.2805.3.camel@laptop.fenrus.com> <16609.2168.754171.270072@napali.hpl.hp.com> From: Jes Sorensen Date: 30 Jun 2004 04:00:00 -0400 In-Reply-To: <16609.2168.754171.270072@napali.hpl.hp.com> Message-ID: User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.2 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 907 Lines: 17 >>>>> "David" == David Mosberger writes: >>>>> On Sat, 26 Jun 2004 09:16:27 +0200, Arjan van de Ven said: Arjan> the real solution is an iommu of course, but the highmem Arjan> solution has quite some merit too..... I know you disagree with Arjan> me on that one though. David> Yes, some merits and some faults. The real solution is iommu David> or 64-bit capable devices. Interesting that graphics David> controllers should be last to get 64-bit DMA capability, David> considering how much more complex they are than disk David> controllers or NICs. You found a 64 bit capable sound card yet? ;-) Cheers, Jes - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/