From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755398AbXJCVNu (ORCPT ); Wed, 3 Oct 2007 17:13:50 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753684AbXJCVNn (ORCPT ); Wed, 3 Oct 2007 17:13:43 -0400 Received: from smtp2.linux-foundation.org ([207.189.120.14]:52872 "EHLO smtp2.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752747AbXJCVNm (ORCPT ); Wed, 3 Oct 2007 17:13:42 -0400 Date: Wed, 3 Oct 2007 14:12:03 -0700 From: Andrew Morton To: "Keshavamurthy, Anil S" Cc: tomof@acm.org, linux-kernel@vger.kernel.org, jens.axboe@oracle.com, fujita.tomonori@lab.ntt.co.jp Subject: Re: [PATCH -mm] intel-iommu sg chaining support Message-Id: <20071003141203.fae1edf5.akpm@linux-foundation.org> In-Reply-To: <20071001161256.GA28998@askeshav-devel.jf.intel.com> References: <20070929125638W.tomof@acm.org> <20071001161256.GA28998@askeshav-devel.jf.intel.com> X-Mailer: Sylpheed version 2.2.4 (GTK+ 2.8.20; i486-pc-linux-gnu) 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 On Mon, 1 Oct 2007 09:12:56 -0700 "Keshavamurthy, Anil S" wrote: > On Sat, Sep 29, 2007 at 05:16:38AM -0700, FUJITA Tomonori wrote: > > > > x86_64 defines ARCH_HAS_SG_CHAIN. So if IOMMU implementations don't > > support sg chaining, we will get data corruption. > > Signed-off-by: FUJITA Tomonori > > Acked-by: Anil S Keshavamurthy > Am I correct in believing that this patch is needed only when the chaining patches which are presently in git-block are combined with the intel-iommu work which is presently in -mm?