From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Roedel, Joerg" Subject: Re: [Qemu-devel] [PATCH 1/3] qemu-kvm: Invert svm-flag setting logic Date: Tue, 7 Sep 2010 16:14:28 +0200 Message-ID: <20100907141427.GB2177@amd.com> References: <1283858843-21330-1-git-send-email-joerg.roedel@amd.com> <1283858843-21330-2-git-send-email-joerg.roedel@amd.com> <20100907123016.GA2108@redhat.com> <7BED2EED-8D8B-4D42-9208-D3D04C23C77D@suse.de> <4C86318F.5050101@redhat.com> <4C86337B.3010302@redhat.com> <7328270E-D856-4669-99C0-38A0CC516C73@suse.de> <4C863748.7080100@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Cc: Alexander Graf , "Daniel P. Berrange" , Marcelo Tosatti , "kvm@vger.kernel.org" , "qemu-devel@nongnu.org" To: Avi Kivity Return-path: Received: from va3ehsobe005.messaging.microsoft.com ([216.32.180.31]:3975 "EHLO VA3EHSOBE005.bigfish.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751143Ab0IGOQJ (ORCPT ); Tue, 7 Sep 2010 10:16:09 -0400 Content-Disposition: inline In-Reply-To: <4C863748.7080100@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: On Tue, Sep 07, 2010 at 08:59:52AM -0400, Avi Kivity wrote: > On 09/07/2010 03:55 PM, Alexander Graf wrote: > > > >> Was it broken? How? > > When migrating inside l2 context, we're missing information. My idea back then was to force the l1 guest out of l2 context every time we want to migrate, but I'm not sure this has happened. > > I thought that was implemented, but not sure (though it isn't clean > architecturally). > > > Even then I'm not sure we're transferring the GIF. > > Argh, we aren't. Migration with nested-svm doesn't work reliably today. But that is on my list. Joerg -- AMD Operating System Research Center Advanced Micro Devices GmbH Einsteinring 24 85609 Dornach General Managers: Alberto Bozzo, Andrew Bowd Registration: Dornach, Landkr. Muenchen; Registerger. Muenchen, HRB Nr. 43632