From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760103AbYA2Dh3 (ORCPT ); Mon, 28 Jan 2008 22:37:29 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753712AbYA2DhP (ORCPT ); Mon, 28 Jan 2008 22:37:15 -0500 Received: from palinux.external.hp.com ([192.25.206.14]:34922 "EHLO mail.parisc-linux.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753043AbYA2DhN (ORCPT ); Mon, 28 Jan 2008 22:37:13 -0500 Date: Mon, 28 Jan 2008 20:37:12 -0700 From: Matthew Wilcox To: Robert Hancock Cc: linux-arch@vger.kernel.org, ide , linux-kernel , linux-scsi@vger.kernel.org Subject: Re: DMA mapping on SCSI device? Message-ID: <20080129033712.GG20198@parisc-linux.org> References: <479E6E8C.2090501@shaw.ca> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <479E6E8C.2090501@shaw.ca> User-Agent: Mutt/1.5.13 (2006-08-11) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jan 28, 2008 at 06:08:44PM -0600, Robert Hancock wrote: > The > thought of using the SCSI struct device for DMA mapping was brought up > at one point.. any thoughts on that? I believe this will work on some architectures and not others. Anything that uses include/asm-generic/dma-mapping.h will break, for example. It would be nice for those architectures to get fixed ... -- Intel are signing my paycheques ... these opinions are still mine "Bill, look, we understand that you're interested in selling us this operating system, but compare it to ours. We can't possibly take such a retrograde step."