From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45072) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V1Jl0-0006dH-7r for qemu-devel@nongnu.org; Mon, 22 Jul 2013 13:18:47 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1V1Imt-000096-6z for qemu-devel@nongnu.org; Mon, 22 Jul 2013 12:16:40 -0400 Received: from mx1.redhat.com ([209.132.183.28]:25173) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V1IR0-0008Hk-Jt for qemu-devel@nongnu.org; Mon, 22 Jul 2013 11:54:02 -0400 From: Juan Quintela In-Reply-To: <1374491654-21257-1-git-send-email-owasserm@redhat.com> (Orit Wasserman's message of "Mon, 22 Jul 2013 14:14:12 +0300") References: <1374491654-21257-1-git-send-email-owasserm@redhat.com> Date: Mon, 22 Jul 2013 17:53:48 +0200 Message-ID: <87ppuar3oz.fsf@elfo.elfo> MIME-Version: 1.0 Content-Type: text/plain Subject: Re: [Qemu-devel] [PATCH v2 0/2] Fix real mode guest live migration Reply-To: quintela@redhat.com 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, mtosatti@redhat.com, qemu-devel@nongnu.org, pbonzini@redhat.com, afaerber@suse.de Orit Wasserman wrote: > 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 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: Juan Quintela