From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:46981) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Y8qkv-00017g-P3 for qemu-devel@nongnu.org; Wed, 07 Jan 2015 08:34:40 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Y8qkq-0002ZZ-7l for qemu-devel@nongnu.org; Wed, 07 Jan 2015 08:34:37 -0500 Received: from mx1.redhat.com ([209.132.183.28]:55015) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Y8qkp-0002Ye-VW for qemu-devel@nongnu.org; Wed, 07 Jan 2015 08:34:32 -0500 Date: Wed, 7 Jan 2015 14:37:54 +0200 From: "Michael S. Tsirkin" Message-ID: <20150107123754.GA1112@redhat.com> References: <1419421800-27505-1-git-send-email-mst@redhat.com> <549AB0AC.8030101@redhat.com> <20141224124138.GA27854@redhat.com> <54ACE133.4080208@redhat.com> <20150107100313.GC24828@redhat.com> <54AD0FF8.9000406@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <54AD0FF8.9000406@redhat.com> Subject: Re: [Qemu-devel] [PULL 0/8] pc: resizeable ROM blocks List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Paolo Bonzini Cc: Peter Maydell , imammedo@redhat.com, qemu-devel@nongnu.org, dgilbert@redhat.com, Juan Quintela On Wed, Jan 07, 2015 at 11:52:40AM +0100, Paolo Bonzini wrote: > Maybe it's too optimistic. That's why I'm saying do not trim the tables > for a couple releases more. I think it is too optimistic, and not trimming the tables does not solve it convincingly enough to my taste. > If you have a bug, you're changing guest ABI. That's not how we designed it. ACPI tables are just generated firmware. They are *not* ABI. > We're focusing on > migration, but it is just the tip of the iceberg. In fact, I think that's the only issue. Snapshoting firmware at each release is not something we can support. -- MST