Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760322AbXHVKaR (ORCPT ); Wed, 22 Aug 2007 06:30:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757810AbXHVKaB (ORCPT ); Wed, 22 Aug 2007 06:30:01 -0400 Received: from ns.suse.de ([195.135.220.2]:57543 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751053AbXHVKaB (ORCPT ); Wed, 22 Aug 2007 06:30:01 -0400 Date: Wed, 22 Aug 2007 13:23:52 +0200 From: Andi Kleen To: Avi Kivity Cc: Andi Kleen , Rusty Russell , Andrew Morton , Linux Kernel Mailing List , Chris Wright , Virtualization Mailing List Subject: Re: [PATCH] Add I/O hypercalls for i386 paravirt Message-ID: <20070822112352.GQ32640@bingen.suse.de> References: <46CBC842.4070100@vmware.com> <46CBCADF.2070400@qumranet.com> <1187763956.6174.48.camel@localhost.localdomain> <20070822103545.GG2642@bingen.suse.de> <46CC0719.2080103@qumranet.com> <20070822110810.GO32640@bingen.suse.de> <46CC0EAF.3000805@qumranet.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <46CC0EAF.3000805@qumranet.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 742 Lines: 24 On Wed, Aug 22, 2007 at 01:23:43PM +0300, Avi Kivity wrote: > Andi Kleen wrote: > >>I don't see why it's intrusive -- they all use the APIs, right? > >> > > > >Yes, but it still changes them. It might have a larger impact > >on code size for example. > > > > Only if CONFIG_PARAVIRT is defined. Which eventually distribution kernels will do. > And even then, all the performance > sensitive stuff uses mmio, no? Not worried about performance, but just impact on code size etc. -Andi - 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/