From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265349AbTFFGf1 (ORCPT ); Fri, 6 Jun 2003 02:35:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265352AbTFFGf1 (ORCPT ); Fri, 6 Jun 2003 02:35:27 -0400 Received: from pizda.ninka.net ([216.101.162.242]:38376 "EHLO pizda.ninka.net") by vger.kernel.org with ESMTP id S265349AbTFFGf1 (ORCPT ); Fri, 6 Jun 2003 02:35:27 -0400 Date: Thu, 05 Jun 2003 23:45:26 -0700 (PDT) Message-Id: <20030605.234526.23012957.davem@redhat.com> To: davidm@hpl.hp.com, davidm@napali.hpl.hp.com Cc: manfred@colorfullife.com, axboe@suse.de, linux-kernel@vger.kernel.org Subject: Re: problem with blk_queue_bounce_limit() From: "David S. Miller" In-Reply-To: <16096.14281.621282.67906@napali.hpl.hp.com> References: <16094.58952.941468.221985@napali.hpl.hp.com> <1054797653.18294.1.camel@rth.ninka.net> <16096.14281.621282.67906@napali.hpl.hp.com> X-FalunGong: Information control. X-Mailer: Mew version 2.1 on Emacs 21.1 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org From: David Mosberger Date: Thu, 5 Jun 2003 23:42:17 -0700 Manfred, I'm readdressed this mail to you because according to google, you're the original author of the patch (http://www.cs.helsinki.fi/linux/linux-kernel/2002-02/0032.html). Like I stated earlier, I think this code simply makes no sense on a platform with I/O MMU. Hence my suggestion to deal with this via dma_supported(). David, what is blk_max_low_pfn set to on your ia64 systems?