From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754675Ab1KMUko (ORCPT ); Sun, 13 Nov 2011 15:40:44 -0500 Received: from mx1.redhat.com ([209.132.183.28]:39233 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752085Ab1KMUkn (ORCPT ); Sun, 13 Nov 2011 15:40:43 -0500 Subject: Re: [PATCH RFC] virtio-spec: flexible configuration layout From: Vadim Rozenfeld To: Avi Kivity Cc: Sasha Levin , Krishna Kumar , Wang Sheng-Hui , kvm@vger.kernel.org, Pawel Moll , "Michael S. Tsirkin" , Alexey Kardashevskiy , lkml - Kernel Mailing List , virtualization@lists.linux-foundation.org, Christian Borntraeger , Amit Shah In-Reply-To: <4EBA744D.8020107@redhat.com> References: <87wrbkvh3v.fsf@rustcorp.com.au> <20111101114542.GA13434@redhat.com> <1320150813.3847.24.camel@lappy> <20111101124223.GA14060@redhat.com> <8739e7uy87.fsf@rustcorp.com.au> <20111102233110.GA20289@redhat.com> <20111108214021.GA4538@redhat.com> <1320828366.31056.16.camel@lappy> <4EBA744D.8020107@redhat.com> Content-Type: text/plain; charset="UTF-8" Date: Sun, 13 Nov 2011 22:40:20 +0200 Message-ID: <1321216820.15736.5.camel@vadimr.dell> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2011-11-09 at 14:38 +0200, Avi Kivity wrote: > On 11/09/2011 10:46 AM, Sasha Levin wrote: > > > Alternatively we can add new structures with new > > > structure IDs, pointed to from PCI configuration space. > > > > > > As we don't yet have devices or drivers with 64 bit features, > > > I decided we don't need high feature bits in legacy space. > > > This also frees up feature bit 31 as we don't need it > > > to enable high feature bits anymore. > > > > KVM tool actually has support for 64bit features, we can probably remove > > that when Pekka isn't looking :) > > > > What about the Windows drivers? > Probably some small adjustments will be required, but I don't see any major problem here. Vadim.