From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:48362) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V1yc8-0003KX-2K for qemu-devel@nongnu.org; Wed, 24 Jul 2013 08:56:21 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1V1yc7-0003Ig-05 for qemu-devel@nongnu.org; Wed, 24 Jul 2013 08:56:20 -0400 Received: from mx1.redhat.com ([209.132.183.28]:42536) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V1yc6-0003Ia-P4 for qemu-devel@nongnu.org; Wed, 24 Jul 2013 08:56:18 -0400 Message-ID: <51EFCEDA.1060409@redhat.com> Date: Wed, 24 Jul 2013 14:55:54 +0200 From: Paolo Bonzini MIME-Version: 1.0 References: <1374514182-24808-1-git-send-email-owasserm@redhat.com> In-Reply-To: <1374514182-24808-1-git-send-email-owasserm@redhat.com> Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH v3 0/2] Fix real mode guest live migration List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Orit Wasserman Cc: aliguori@us.ibm.com, ehabkost@redhat.com, gleb@redhat.com, quintela@redhat.com, mtosatti@redhat.com, qemu-devel@nongnu.org, afaerber@suse.de Il 22/07/2013 19:29, Orit Wasserman ha scritto: > Older KVM versions save CS dpl value to an invalid value for real mode guests > (0x3). This caused migration to fail from older KVM on host without unrestricted guest to hosts with restricted guest support with "kvm: unhandled exit 80000021". > For example migration from a Penryn host (with kernel 2.6.32) to > a Westmere host (for real mode guest) > > This series fixing it both in the destination and source QEMU. > > Changes from v2: > Fix more typos > > Changes from v1: > Fix typos and style > > Orit Wasserman (2): > Fix real mode guest migration > Fix real mode guest segments dpl value in savevm > > target-i386/machine.c | 36 ++++++++++++++++++++++++++++++++++++ > 1 file changed, 36 insertions(+) > Reviewed-by: Paolo Bonzini