Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754271AbXJWVRl (ORCPT ); Tue, 23 Oct 2007 17:17:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751968AbXJWVRe (ORCPT ); Tue, 23 Oct 2007 17:17:34 -0400 Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:35724 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751564AbXJWVRd (ORCPT ); Tue, 23 Oct 2007 17:17:33 -0400 Date: Tue, 23 Oct 2007 14:18:00 -0700 (PDT) Message-Id: <20071023.141800.59467535.davem@davemloft.net> To: jens.axboe@oracle.com Cc: fujita.tomonori@lab.ntt.co.jp, linux-kernel@vger.kernel.org, tomof@acm.org Subject: Re: IDE crash... From: David Miller In-Reply-To: <20071023105710.GJ5059@kernel.dk> References: <20071023.004321.74750417.davem@davemloft.net> <20071023195255S.fujita.tomonori@lab.ntt.co.jp> <20071023105710.GJ5059@kernel.dk> X-Mailer: Mew version 5.1.52 on Emacs 21.4 / 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 Content-Length: 842 Lines: 20 From: Jens Axboe Date: Tue, 23 Oct 2007 12:57:11 +0200 > On Tue, Oct 23 2007, FUJITA Tomonori wrote: > > BTW, we avoid calling sg_init_table() for every I/O request due to Jens' > > trick. And Jens will remove the code to clear sg_dma_len/addr in > > blk_rq_map_sg(). So sparc64 iommu needs to do that for itself? > > > > http://marc.info/?l=linux-scsi&m=119261920425120&w=2 > > It does - Dave, do you agree with the patch? I think it should be added, > so that sparc64 isn't the odd-arch-out in this respect. I've tentatively > applied the patch, Davem? No objections. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/