From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:49257) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SoAnE-0000cy-Fm for qemu-devel@nongnu.org; Mon, 09 Jul 2012 06:02:16 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1SoAn8-0006mL-V7 for qemu-devel@nongnu.org; Mon, 09 Jul 2012 06:02:12 -0400 Received: from mx1.redhat.com ([209.132.183.28]:54669) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SoAn8-0006lk-OE for qemu-devel@nongnu.org; Mon, 09 Jul 2012 06:02:06 -0400 Date: Mon, 9 Jul 2012 13:02:02 +0300 From: Gleb Natapov Message-ID: <20120709100202.GK15459@redhat.com> References: <1340714974-25489-1-git-send-email-agraf@suse.de> <4FFAA03D.6020302@redhat.com> <4FFAA40E.4070901@redhat.com> <583552B4-7D4C-4030-8792-203BB922000E@suse.de> <4FFAA9E0.1000406@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4FFAA9E0.1000406@redhat.com> Subject: Re: [Qemu-devel] [PATCH v2] ahci: add -drive support List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Kevin Wolf Cc: qemu-devel qemu-devel , Alexander Graf , Markus Armbruster On Mon, Jul 09, 2012 at 11:52:32AM +0200, Kevin Wolf wrote: > > If -hda has the semantics of "create an IDE device", then no, we can't change it. It doesn't however. IIRC on -M pseries -hda creates SCSI devices. On s390 -hda creates virtio devices. So if on -M q35 -hda would create if=ahci, I don't see how that breaks the CLI. > > It doesn't per se, that is as long as you need to explicitly specify -M > q35. But then changing the default machine from the existing pc to q35 > would break the command line. > Would break it how? -- Gleb.