Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267590AbTGHT70 (ORCPT ); Tue, 8 Jul 2003 15:59:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267572AbTGHT5s (ORCPT ); Tue, 8 Jul 2003 15:57:48 -0400 Received: from dsl2.external.hp.com ([192.25.206.7]:21774 "EHLO dsl2.external.hp.com") by vger.kernel.org with ESMTP id S265297AbTGHT4t (ORCPT ); Tue, 8 Jul 2003 15:56:49 -0400 Date: Tue, 8 Jul 2003 14:11:23 -0600 From: Grant Grundler To: Jeff Garzik Cc: Andi Kleen , "David S. Miller" , 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: <20030708201123.GA6787@dsl2.external.hp.com> References: <20030702235619.GA21567@wotan.suse.de> <1057263988.21508.18.camel@dhcp22.swansea.linux.org.uk> <20030703212415.GA30277@wotan.suse.de> <20030707.191438.71104854.davem@redhat.com> <20030708213427.39de0195.ak@suse.de> <20030708194744.GD17115@gtf.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20030708194744.GD17115@gtf.org> 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: 700 Lines: 15 On Tue, Jul 08, 2003 at 03:47:44PM -0400, Jeff Garzik wrote: > Personally, I've always thought we were kidding ourselves by not doing > the error checking you describe. Amen. When I pointed this out a few years back, it was made it clear this was a design choice : not providing a return value was simpler for driver writers. I agree it's simpler and don't pretend to know what's best for other driver writers. Sounds like a topic for 2.7 though. 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/