Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267768AbTGHWLK (ORCPT ); Tue, 8 Jul 2003 18:11:10 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267770AbTGHWLK (ORCPT ); Tue, 8 Jul 2003 18:11:10 -0400 Received: from dsl2.external.hp.com ([192.25.206.7]:27665 "EHLO dsl2.external.hp.com") by vger.kernel.org with ESMTP id S267768AbTGHWLI (ORCPT ); Tue, 8 Jul 2003 18:11:08 -0400 Date: Tue, 8 Jul 2003 16:25:45 -0600 From: Grant Grundler To: "David S. Miller" Cc: ak@suse.de, alan@lxorguk.ukuu.org.uk, grundler@parisc-linux.org, James.Bottomley@SteelEye.com, axboe@suse.de, suparna@in.ibm.com, linux-kernel@vger.kernel.org, alex_williamson@hp.com, bjorn_helgaas@hp.com Subject: Re: [RFC] block layer support for DMA IOMMU bypass mode II Message-ID: <20030708222545.GC6787@dsl2.external.hp.com> References: <20030703212415.GA30277@wotan.suse.de> <20030707.191438.71104854.davem@redhat.com> <20030708213427.39de0195.ak@suse.de> <20030708.150433.104048841.davem@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20030708.150433.104048841.davem@redhat.com> User-Agent: Mutt/1.3.28i X-Home-Page: http://www.parisc-linux.org/ Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 614 Lines: 17 On Tue, Jul 08, 2003 at 03:04:33PM -0700, David S. Miller wrote: > Do you know a common PCI block device that would benefit from this > (performs significantly better with short sg lists)? It would be > interesting to test. > > %10 to %15 on sym53c8xx devices found on sparc64 boxes. Which workload? I'd like to test this on our ia64 boxes. thanks, grant - 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/