Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932356AbWCMSnM (ORCPT ); Mon, 13 Mar 2006 13:43:12 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932389AbWCMSnJ (ORCPT ); Mon, 13 Mar 2006 13:43:09 -0500 Received: from pentafluge.infradead.org ([213.146.154.40]:28135 "EHLO pentafluge.infradead.org") by vger.kernel.org with ESMTP id S932356AbWCMSmv (ORCPT ); Mon, 13 Mar 2006 13:42:51 -0500 Subject: Re: [RFC, PATCH 0/24] VMI i386 Linux virtualization interface proposal From: Arjan van de Ven To: Zachary Amsden Cc: Linus Torvalds , Linux Kernel Mailing List , Virtualization Mailing List , Xen-devel , Andrew Morton , Dan Hecht , Dan Arai , Anne Holler , Pratap Subrahmanyam , Christopher Li , Joshua LeVasseur , Chris Wright , Rik Van Riel , Jyothy Reddy , Jack Lo , Kip Macy , Jan Beulich , Ky Srinivasan , Wim Coekaerts , Leendert van Doorn In-Reply-To: <4415BA4F.3040307@vmware.com> References: <200603131758.k2DHwQM7005618@zach-dev.vmware.com> <1142273346.3023.38.camel@laptopd505.fenrus.org> <4415B857.9010902@vmware.com> <1142274398.3023.40.camel@laptopd505.fenrus.org> <4415BA4F.3040307@vmware.com> Content-Type: text/plain Date: Mon, 13 Mar 2006 19:42:44 +0100 Message-Id: <1142275365.3023.44.camel@laptopd505.fenrus.org> Mime-Version: 1.0 X-Mailer: Evolution 2.2.3 (2.2.3-2.fc4) Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1381 Lines: 39 On Mon, 2006-03-13 at 10:30 -0800, Zachary Amsden wrote: > Arjan van de Ven wrote: > >> The interface we propose we > >> believe is more powerful, and more conducive to performance > >> optimizations while providing significant advantages - most > >> specifically, a single binary image that is properly virtualizable on > >> multiple hypervisors and capable of running on native hardware. > >> > > > > that is mostly an advantage in the binary would though.. less so in the > > open source world. > > > > It is an advantage for everyone. It cuts support and certification > costs for Linux distributors, that I'll buy > software vendors, that I'll buy a lot less except those with kernel modules (which is evil ;) > makes debugging and > development easier, that I don't buy; a fixed interface tends to make debugging harder not easier since you can't change it to add more information > and gives hypervisors room to grow while maintaining > binary compatibility with already released kernels. that I buy for binary only hypervisors. But in an open source world I'll buy this a LOT less as being relevant. - 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/