From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964989AbXBLRMo (ORCPT ); Mon, 12 Feb 2007 12:12:44 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964984AbXBLRMo (ORCPT ); Mon, 12 Feb 2007 12:12:44 -0500 Received: from verein.lst.de ([213.95.11.210]:43088 "EHLO mail.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964989AbXBLRMn (ORCPT ); Mon, 12 Feb 2007 12:12:43 -0500 Date: Mon, 12 Feb 2007 18:12:24 +0100 From: Christoph Hellwig To: Jan Beulich Cc: Christoph Hellwig , tony.luck@intel.com, Linux Kernel Mailing List Subject: Re: [IA64] swiotlb abstraction (e.g. for Xen) Message-ID: <20070212171224.GA18430@lst.de> References: <200702070759.l177xIti030295@hera.kernel.org> <20070207083254.GA24561@lst.de> <20070211072555.GA22831@lst.de> <45D025BF.76E4.0078.0@novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <45D025BF.76E4.0078.0@novell.com> User-Agent: Mutt/1.3.28i X-Spam-Score: 0 () Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Feb 12, 2007 at 07:30:55AM +0000, Jan Beulich wrote: > > As the topic says - the goal is to support Xen. But yes, I was afraid someone would > claim this make the code look ugly. And no, I currently don't have ideas to address > any of your comments without breaking functionality on Xen... We don't have Xen merged, and it doesn't look like we're going to get it soon. Also the code is only for dom0 which will take even longer. At this point I'm pretty sure the code is cleaner, simpler and easier to maintain if you just split out a xendom0swiotlb instead of messing up the existing code.