From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265383AbTFFHhi (ORCPT ); Fri, 6 Jun 2003 03:37:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265384AbTFFHhi (ORCPT ); Fri, 6 Jun 2003 03:37:38 -0400 Received: from phoenix.infradead.org ([195.224.96.167]:60423 "EHLO phoenix.infradead.org") by vger.kernel.org with ESMTP id S265383AbTFFHhh (ORCPT ); Fri, 6 Jun 2003 03:37:37 -0400 Date: Fri, 6 Jun 2003 08:51:06 +0100 From: Christoph Hellwig To: "David S. Miller" Cc: davidm@hpl.hp.com, davidm@napali.hpl.hp.com, manfred@colorfullife.com, axboe@suse.de, linux-kernel@vger.kernel.org Subject: Re: problem with blk_queue_bounce_limit() Message-ID: <20030606085106.A15894@infradead.org> Mail-Followup-To: Christoph Hellwig , "David S. Miller" , davidm@hpl.hp.com, davidm@napali.hpl.hp.com, manfred@colorfullife.com, axboe@suse.de, linux-kernel@vger.kernel.org References: <16096.16492.286361.509747@napali.hpl.hp.com> <20030606.003230.15263591.davem@redhat.com> <20030606084410.A14779@infradead.org> <20030606.004305.68041319.davem@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: <20030606.004305.68041319.davem@redhat.com>; from davem@redhat.com on Fri, Jun 06, 2003 at 12:43:05AM -0700 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jun 06, 2003 at 12:43:05AM -0700, David S. Miller wrote: > From: Christoph Hellwig > Date: Fri, 6 Jun 2003 08:44:10 +0100 > > PCI_DMA_BUS_IS_PHYS should be a propert of each struct device because > a machine might have a iommu for one bus type but not another, > > We know of no such systems. Even in mixed-bus environments such as > sparc64 SBUS+PCI systems. What about alpha systems with EISA and PCI slots?