From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from [140.186.70.92] (port=43742 helo=eggs.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.43) id 1Oh28E-0007oi-VA
	for qemu-devel@nongnu.org; Thu, 05 Aug 2010 11:13:20 -0400
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69)
	(envelope-from <gleb@redhat.com>) id 1Oh28C-0006Co-Qs
	for qemu-devel@nongnu.org; Thu, 05 Aug 2010 11:13:18 -0400
Received: from mx1.redhat.com ([209.132.183.28]:48122)
	by eggs.gnu.org with esmtp (Exim 4.69)
	(envelope-from <gleb@redhat.com>) id 1Oh28C-0006C2-Jp
	for qemu-devel@nongnu.org; Thu, 05 Aug 2010 11:13:16 -0400
Date: Thu, 5 Aug 2010 10:34:47 +0300
From: Gleb Natapov <gleb@redhat.com>
Subject: Re: [Qemu-devel] Anyone seeing huge slowdown launching qemu with
	Linux 2.6.35?
Message-ID: <20100805073447.GH10499@redhat.com>
References: <4C592218.3000901@redhat.com> <4C596549.1070109@codemonkey.ws>
	<20100804130709.GL10499@redhat.com>
	<4C5967D8.7080707@codemonkey.ws>
	<20100804133401.GP10499@redhat.com>
	<4C5970AC.6060105@codemonkey.ws> <4C5995B4.90505@redhat.com>
	<4C5996F4.6010205@redhat.com> <4C5998F1.4030001@codemonkey.ws>
	<4C5A6839.2070700@redhat.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <4C5A6839.2070700@redhat.com>
List-Id: qemu-devel.nongnu.org
List-Unsubscribe: <http://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <http://lists.nongnu.org/archive/html/qemu-devel>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <http://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
To: Gerd Hoffmann <kraxel@redhat.com>
Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org, Avi Kivity <avi@redhat.com>, "Richard W.M. Jones" <rjones@redhat.com>

On Thu, Aug 05, 2010 at 09:28:57AM +0200, Gerd Hoffmann wrote:
>   Hi,
> 
> >The option rom stuff has a number of short comings. Because we hijack
> >int19, extboot doesn't get to run. That means that if you use -kernel to
> >load a grub (the Ubuntu guys for their own absurd reasons) then grub
> >does not see extboot backed disks. The solution for them is the same,
> >generate a proper disk and boot from that disk.
> 
> Oh, having extboot + linuxboot + multiboot register a BEV (correct
> acronym?) entry instead of hijacking int19 would fix that too.
> Additional bonus will be that they are selectable in the boot menu.
> 
Good idea except that we are not good at communicating to seabios where
do we want to boot from by default.

--
			Gleb.