From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966113AbXDJIWK (ORCPT ); Tue, 10 Apr 2007 04:22:10 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S966110AbXDJIWJ (ORCPT ); Tue, 10 Apr 2007 04:22:09 -0400 Received: from srv5.dvmed.net ([207.36.208.214]:33644 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S966113AbXDJIWG (ORCPT ); Tue, 10 Apr 2007 04:22:06 -0400 Message-ID: <461B4925.9080005@garzik.org> Date: Tue, 10 Apr 2007 04:21:57 -0400 From: Jeff Garzik User-Agent: Thunderbird 1.5.0.10 (X11/20070302) MIME-Version: 1.0 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, Linus Torvalds Subject: Re: [patch 0/8] [Intel IOMMU] Support for Intel Virtualization Technology for Directed I/O References: <20070409215552.221374000@intel.com> In-Reply-To: <20070409215552.221374000@intel.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: -4.3 (----) X-Spam-Report: SpamAssassin version 3.1.8 on srv5.dvmed.net summary: Content analysis details: (-4.3 points, 5.0 required) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Ashok Raj wrote: > 1. Support for ACPI framework to parse and work with DMA Remapping Tables. > 2. Add support for PCI infrastructure to search parent relationships. > 3. Hardware support for providing DMA remapping support for Intel Chipsets. > 4. Supporting Zero Length Reads on DMAR's not able to support ZLR. > 5. Graphics driver workarounds to provide unity map since they dont use dma api. > 6. Updates to Documentation area for startup options and some basics. > 7. Workaround to provide unity map for ISA bridge device to enable floppy disk. > 8. Ability to preserve some mappings for devices not able to address entire > range. I really think it would be best to avoid ACPI for something as critical as DMA remapping! Jeff