From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752097AbXDJId4 (ORCPT ); Tue, 10 Apr 2007 04:33:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753209AbXDJId4 (ORCPT ); Tue, 10 Apr 2007 04:33:56 -0400 Received: from pentafluge.infradead.org ([213.146.154.40]:44923 "EHLO pentafluge.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752097AbXDJIdz (ORCPT ); Tue, 10 Apr 2007 04:33:55 -0400 Date: Tue, 10 Apr 2007 09:33:51 +0100 From: Christoph Hellwig To: Ashok Raj Cc: linux-kernel@vger.kernel.org, akpm@osdl.org, ak@suse.de, gregkh@suse.de, muli@il.ibm.com, asit.k.mallick@intel.com, suresh.b.siddha@intel.com, anil.s.keshavamurthy@intel.com, arjan@linux.intel.com, shaohua.li@intel.com Subject: Re: [patch 5/8] [Intel IOMMU] Graphics driver workarounds to provide unity map Message-ID: <20070410083351.GA19691@infradead.org> Mail-Followup-To: Christoph Hellwig , Ashok Raj , linux-kernel@vger.kernel.org, akpm@osdl.org, ak@suse.de, gregkh@suse.de, muli@il.ibm.com, asit.k.mallick@intel.com, suresh.b.siddha@intel.com, anil.s.keshavamurthy@intel.com, arjan@linux.intel.com, shaohua.li@intel.com References: <20070409215552.221374000@intel.com> <20070409215723.969189000@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070409215723.969189000@intel.com> User-Agent: Mutt/1.4.2.2i X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Apr 09, 2007 at 02:55:57PM -0700, Ashok Raj wrote: > Most GFX drivers don't call standard PCI DMA APIs to allocate DMA buffer, > Such drivers will be broken with IOMMU enabled. To workaround this issue, > we added two options. All drm drivers do it. If the usual out of tree crap vendors are too stupid for their own sake it's their fault. So NACK to this patch.