From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:44124) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YvOnO-0005JZ-3a for qemu-devel@nongnu.org; Thu, 21 May 2015 07:37:50 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YvOnK-0007hF-34 for qemu-devel@nongnu.org; Thu, 21 May 2015 07:37:50 -0400 Date: Thu, 21 May 2015 12:37:39 +0100 From: "Dr. David Alan Gilbert" Message-ID: <20150521113738.GI2129@work-vm> References: <20150520084336.GE4917@noname.redhat.com> <555C7645.8000400@redhat.com> <20150521094233.GA6143@noname.redhat.com> <20150521103145.GB6143@noname.redhat.com> <87382q9ogq.fsf@blackfin.pond.sub.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Subject: Re: [Qemu-devel] [PATCH 3/8] fdc: Introduce fdctrl->phase List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Peter Maydell Cc: Kevin Wolf , qemu-block@nongnu.org, Juan Quintela , Markus Armbruster , QEMU Developers , John Snow * Peter Maydell (peter.maydell@linaro.org) wrote: > On 21 May 2015 at 12:09, Markus Armbruster wrote: > > Kevin Wolf writes: > > > >> Am 21.05.2015 um 12:11 hat Peter Maydell geschrieben: > >>> 2b add a subsection, send the subsection always in new qemu, > >>> if receiving from an old qemu then calculate the phase from > >>> the register fields in post-load > > > > Doesn't this break new -> old migration? > > Do we care about that? Personally I would have thought it was > too hard to defend and a very narrow use case compared to old->new. I have to care about it downstream so I'd prefer if it wasn't broken upstream except where really hard. Dave > -- PMM > -- Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK