From mboxrd@z Thu Jan 1 00:00:00 1970 Received: by 10.25.21.96 with SMTP id l93csp2431927lfi; Wed, 22 Jun 2016 05:06:10 -0700 (PDT) X-Received: by 10.55.192.203 with SMTP id v72mr37286829qkv.122.1466597169984; Wed, 22 Jun 2016 05:06:09 -0700 (PDT) Return-Path: Received: from lists.gnu.org (lists.gnu.org. [2001:4830:134:3::11]) by mx.google.com with ESMTPS id 63si5854285qkm.83.2016.06.22.05.06.09 for (version=TLS1 cipher=AES128-SHA bits=128/128); Wed, 22 Jun 2016 05:06:09 -0700 (PDT) Received-SPF: pass (google.com: domain of qemu-devel-bounces+alex.bennee=linaro.org@nongnu.org designates 2001:4830:134:3::11 as permitted sender) client-ip=2001:4830:134:3::11; Authentication-Results: mx.google.com; spf=pass (google.com: domain of qemu-devel-bounces+alex.bennee=linaro.org@nongnu.org designates 2001:4830:134:3::11 as permitted sender) smtp.mailfrom=qemu-devel-bounces+alex.bennee=linaro.org@nongnu.org Received: from localhost ([::1]:57689 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bFgv3-0003CD-DU for alex.bennee@linaro.org; Wed, 22 Jun 2016 08:06:09 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:41219) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bFgk0-00016b-Ku for qemu-devel@nongnu.org; Wed, 22 Jun 2016 07:54:45 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bFgjy-0002s8-TI for qemu-devel@nongnu.org; Wed, 22 Jun 2016 07:54:43 -0400 Received: from mx1.redhat.com ([209.132.183.28]:47415) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bFgjt-0002rB-ES; Wed, 22 Jun 2016 07:54:37 -0400 Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id D80CF3B72C; Wed, 22 Jun 2016 11:54:36 +0000 (UTC) Received: from work-vm (ovpn-116-97.ams2.redhat.com [10.36.116.97]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5MBsX4Q018159 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Wed, 22 Jun 2016 07:54:35 -0400 Date: Wed, 22 Jun 2016 12:54:32 +0100 From: "Dr. David Alan Gilbert" To: Peter Maydell Message-ID: <20160622115432.GA6604@work-vm> References: <1466528974-12183-1-git-send-email-peter.maydell@linaro.org> <1466528974-12183-7-git-send-email-peter.maydell@linaro.org> <20160621184552.p7trf4zpqnrmwruu@hawk.localdomain> <20160622080234.f57jjn43tcwmvmcd@hawk.localdomain> <20160622113558.GF2274@work-vm> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.6.1 (2016-04-27) X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Wed, 22 Jun 2016 11:54:36 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: Re: [Qemu-devel] [PATCH v2 6/6] hw/arm/virt: Set minimum_page_bits to 12 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Andrew Jones , Patch Tracking , Vijaya Kumar K , QEMU Developers , qemu-arm , Paolo Bonzini Errors-To: qemu-devel-bounces+alex.bennee=linaro.org@nongnu.org Sender: "Qemu-devel" X-TUID: CulSdYSC1soh * Peter Maydell (peter.maydell@linaro.org) wrote: > On 22 June 2016 at 12:35, Dr. David Alan Gilbert wrote: > > Yes, my hope is that any versioned machine type should migrate to > > a newer qemu with the same machine type set. > > > > There are really two separate things that we state with the machine > > versioning: > > a) that the guest view is the same > > b) that the migration format is the same > > Well, this is true for PC. PC, ppc/spapr, and I think s390. > But my impression when we started > applying versioned machine types to ARM virt was that it was > signing up to (a) but not (yet) (b)... So that would make ARM special; the problem is we have no way to communicate to the user that it's special. Dave > > thanks > -- PMM -- Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK