From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753763AbXCRKYv (ORCPT ); Sun, 18 Mar 2007 06:24:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753764AbXCRKYv (ORCPT ); Sun, 18 Mar 2007 06:24:51 -0400 Received: from mtagate2.de.ibm.com ([195.212.29.151]:26745 "EHLO mtagate2.de.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753762AbXCRKYu (ORCPT ); Sun, 18 Mar 2007 06:24:50 -0400 Date: Sun, 18 Mar 2007 11:22:52 +0100 From: Heiko Carstens To: Avi Kivity Cc: kvm-devel@lists.sourceforge.net, Andrew Morton , linux-kernel@vger.kernel.org Subject: Re: [kvm-devel] [PATCH 0/15] KVM userspace interface updates Message-ID: <20070318102252.GA11201@osiris.ibm.com> References: <11736212072915-git-send-email-avi@qumranet.com> <20070316083650.GA8525@osiris.boeblingen.de.ibm.com> <45FCCC39.7090104@qumranet.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <45FCCC39.7090104@qumranet.com> User-Agent: mutt-ng/devel-r804 (Linux) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Mar 18, 2007 at 07:20:57AM +0200, Avi Kivity wrote: > Heiko Carstens wrote: > >On Sun, Mar 11, 2007 at 03:53:12PM +0200, Avi Kivity wrote: > > > >>This patchset updates the kvm userspace interface to what I hope will > >>be the long-term stable interface. Provisions are included for extending > >>the interface later. The patches address performance and cleanliness > >>concerns. > > [...] > >But the general question is: do you still plan to switch to a syscall > >interface? > > I don't have any present plans for that. Maybe when the interface starts > to evolve at a slower pace, or if it is shown to be significantly faster. > > Not that interface stabilization here doesn't mean a freeze; it means that > backwards compatibility starts when this gets merged. If the interface is considered to be stable you can get rid of the KVM_GET_API_VERSION ioctl, since the version can't change anymore, right?