Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265510AbUF2G6a (ORCPT ); Tue, 29 Jun 2004 02:58:30 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265516AbUF2G6a (ORCPT ); Tue, 29 Jun 2004 02:58:30 -0400 Received: from mx1.redhat.com ([66.187.233.31]:58553 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S265510AbUF2G61 (ORCPT ); Tue, 29 Jun 2004 02:58:27 -0400 Date: Tue, 29 Jun 2004 08:55:37 +0200 From: Arjan van de Ven To: davidm@hpl.hp.com Cc: Jeff Garzik , Terence Ripperda , Linux Kernel Mailing List Subject: Re: 32-bit dma allocations on 64-bit platforms Message-ID: <20040629065537.GB2898@devserv.devel.redhat.com> 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> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="eAbsdosE1cNLO4uF" Content-Disposition: inline In-Reply-To: <16609.2168.754171.270072@napali.hpl.hp.com> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1297 Lines: 38 --eAbsdosE1cNLO4uF Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Mon, Jun 28, 2004 at 11:13:12PM -0700, David Mosberger wrote: > >>>>> 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 > Arjan> with me on that one though. > > Yes, some merits and some faults. The real solution is iommu or > 64-bit capable devices. Interesting that graphics controllers should > be last to get 64-bit DMA capability, considering how much more > complex they are than disk controllers or NICs. I guess the first game with more than 4Gb in textures will fix it ;) --eAbsdosE1cNLO4uF Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) iD8DBQFA4RJpxULwo51rQBIRApo4AJ9rQlfusjI7k6/DyWAs3C8/saKKGACghOBR qGkHali4sQFF03PrPGMib/Q= =gH/n -----END PGP SIGNATURE----- --eAbsdosE1cNLO4uF-- - 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/