From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paolo Bonzini Subject: Re: qemu-kvm: remove "boot=on|off" drive parameter compatibility Date: Mon, 01 Oct 2012 16:20:36 +0200 Message-ID: <5069A6B4.2030605@redhat.com> References: <20120930191146.GA20012@amt.cnet> <50694EC1.8060006@siemens.com> <20121001093102.GA14797@amt.cnet> <50696E9E.7030302@siemens.com> <87zk468h3y.fsf@codemonkey.ws> <87E3189E-37BB-43A9-A324-2BAA007F1E57@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: Anthony Liguori , kvm , Scott Moser , Jan Kiszka , Marcelo Tosatti , Michael Tokarev , qemu-devel , Cole Robinson , =?ISO-8859-1?Q?Andreas_F=E4rber?= To: Alexander Graf Return-path: Received: from mail-pa0-f46.google.com ([209.85.220.46]:48367 "EHLO mail-pa0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751917Ab2JAOUs (ORCPT ); Mon, 1 Oct 2012 10:20:48 -0400 Received: by padhz1 with SMTP id hz1so4276053pad.19 for ; Mon, 01 Oct 2012 07:20:47 -0700 (PDT) In-Reply-To: <87E3189E-37BB-43A9-A324-2BAA007F1E57@suse.de> Sender: kvm-owner@vger.kernel.org List-ID: Il 01/10/2012 16:07, Alexander Graf ha scritto: >>> -drive ...,boot= <- this is ignored > > It's ignored, but useful for certain things. I don't know how many of > our users use boot= today, but it's certainly still in the code, and > supported. I honestly wouldn't mind to carry a SUSE specific patch > that implements boot= for now until we can deem it deprecated enough > that we can drop it. Extboot is not going to be backported to QEMU, but SeaBIOS can now boot from all emulated device models except MegaSAS. So we may at most have just the option, for example making it an alias for bootindex=1 on the corresponding device. Paolo From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:45790) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TIgrg-000387-0S for qemu-devel@nongnu.org; Mon, 01 Oct 2012 10:21:01 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TIgrY-000700-DT for qemu-devel@nongnu.org; Mon, 01 Oct 2012 10:20:55 -0400 Received: from mail-pa0-f45.google.com ([209.85.220.45]:54567) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TIgrY-0006zp-76 for qemu-devel@nongnu.org; Mon, 01 Oct 2012 10:20:48 -0400 Received: by padfb10 with SMTP id fb10so4329912pad.4 for ; Mon, 01 Oct 2012 07:20:47 -0700 (PDT) Sender: Paolo Bonzini Message-ID: <5069A6B4.2030605@redhat.com> Date: Mon, 01 Oct 2012 16:20:36 +0200 From: Paolo Bonzini MIME-Version: 1.0 References: <20120930191146.GA20012@amt.cnet> <50694EC1.8060006@siemens.com> <20121001093102.GA14797@amt.cnet> <50696E9E.7030302@siemens.com> <87zk468h3y.fsf@codemonkey.ws> <87E3189E-37BB-43A9-A324-2BAA007F1E57@suse.de> In-Reply-To: <87E3189E-37BB-43A9-A324-2BAA007F1E57@suse.de> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] qemu-kvm: remove "boot=on|off" drive parameter compatibility List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Alexander Graf Cc: kvm , Scott Moser , Jan Kiszka , Marcelo Tosatti , Michael Tokarev , qemu-devel , Anthony Liguori , Cole Robinson , =?ISO-8859-1?Q?Andreas_F=E4rber?= Il 01/10/2012 16:07, Alexander Graf ha scritto: >>> -drive ...,boot= <- this is ignored > > It's ignored, but useful for certain things. I don't know how many of > our users use boot= today, but it's certainly still in the code, and > supported. I honestly wouldn't mind to carry a SUSE specific patch > that implements boot= for now until we can deem it deprecated enough > that we can drop it. Extboot is not going to be backported to QEMU, but SeaBIOS can now boot from all emulated device models except MegaSAS. So we may at most have just the option, for example making it an alias for bootindex=1 on the corresponding device. Paolo