From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754378AbXDXUex (ORCPT ); Tue, 24 Apr 2007 16:34:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754458AbXDXUex (ORCPT ); Tue, 24 Apr 2007 16:34:53 -0400 Received: from mga06.intel.com ([134.134.136.21]:38062 "EHLO orsmga101.jf.intel.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754378AbXDXUew (ORCPT ); Tue, 24 Apr 2007 16:34:52 -0400 X-ExtLoop1: 1 X-IronPort-AV: i="4.14,448,1170662400"; d="scan'208"; a="233282859:sNHT20098673" Message-ID: <462E69B0.6030908@linux.intel.com> Date: Tue, 24 Apr 2007 13:33:52 -0700 From: Arjan van de Ven User-Agent: Thunderbird 1.5 (Windows/20051201) MIME-Version: 1.0 To: Andi Kleen CC: Ashok Raj , linux-kernel@vger.kernel.org, akpm@osdl.org, gregkh@suse.de, muli@il.ibm.com, asit.k.mallick@intel.com, suresh.b.siddha@intel.com, anil.s.keshavamurthy@intel.com, shaohua.li@intel.com Subject: Re: [Intel IOMMU][patch 7/8] Support for legacy ISA devices References: <20070424060259.426374000@intel.com> <20070424061038.252959000@intel.com> <200704242131.10139.ak@suse.de> In-Reply-To: <200704242131.10139.ak@suse.de> Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Andi Kleen wrote: > On Tuesday 24 April 2007 08:03:06 Ashok Raj wrote: >> Floppy disk drivers dont work well with DMA remapping. > > What is the problem? You can't allocate mappings <16MB? > floppy doesn't use the DMA mapping API :) that's the problem