From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:48527) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UjbrY-0002Rt-Oy for qemu-devel@nongnu.org; Mon, 03 Jun 2013 17:00:25 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UjbrU-00065a-2x for qemu-devel@nongnu.org; Mon, 03 Jun 2013 17:00:20 -0400 Received: from mail-we0-x22e.google.com ([2a00:1450:400c:c03::22e]:63921) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UjbrT-00065L-Tl for qemu-devel@nongnu.org; Mon, 03 Jun 2013 17:00:16 -0400 Received: by mail-we0-f174.google.com with SMTP id q58so2117194wes.5 for ; Mon, 03 Jun 2013 14:00:15 -0700 (PDT) Sender: Paolo Bonzini Message-ID: <51AD03D2.6080905@redhat.com> Date: Mon, 03 Jun 2013 23:00:02 +0200 From: Paolo Bonzini MIME-Version: 1.0 References: <1370272748-10629-1-git-send-email-pbonzini@redhat.com> <1370272748-10629-3-git-send-email-pbonzini@redhat.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH 2/3] pc_sysfw: remove the rom_only property List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Jordan Justen Cc: Jordan Justen , qemu-devel , Markus Armbruster Il 03/06/2013 22:50, Jordan Justen ha scritto: > On Mon, Jun 3, 2013 at 8:19 AM, Paolo Bonzini wrote: >> > With the new semantics of pc_sysfw (no -pflash implies "old-style" ROM setup, >> > -pflash implies "new-style" ROM setup), there is no need anymore for a compat >> > property. Old machines simply will never use -pflash, and thus will always >> > use old-style setup. > QEMU 1.2-1.5 could use -pflash if kvm was not used. "Old machines" actually referred to <=1.0. This patch will not break backwards compatibility with QEMU 1.2-1.5 as long as you always use -pflash. Paolo