From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:43610) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bK0ne-0001Z3-Ur for qemu-devel@nongnu.org; Mon, 04 Jul 2016 06:08:24 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bK0na-0001YW-Og for qemu-devel@nongnu.org; Mon, 04 Jul 2016 06:08:21 -0400 Received: from mx1.redhat.com ([209.132.183.28]:49064) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bK0na-0001YF-IM for qemu-devel@nongnu.org; Mon, 04 Jul 2016 06:08:18 -0400 Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 3C141C049D5C for ; Mon, 4 Jul 2016 10:08:16 +0000 (UTC) Date: Mon, 4 Jul 2016 11:08:13 +0100 From: "Richard W.M. Jones" Message-ID: <20160704100813.GO16797@redhat.com> References: <1467624822-25974-1-git-send-email-kraxel@redhat.com> <1467624822-25974-3-git-send-email-kraxel@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1467624822-25974-3-git-send-email-kraxel@redhat.com> Subject: Re: [Qemu-devel] [PULL 2/4] bios: Add fast variant of SeaBIOS for use with -kernel on x86. List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Gerd Hoffmann Cc: qemu-devel@nongnu.org On Mon, Jul 04, 2016 at 11:33:40AM +0200, Gerd Hoffmann wrote: > From: "Richard W.M. Jones" > > This commit adds a fast variant of SeaBIOS called 'bios-fast.bin'. > > It's designed to be the fastest (also the smallest, but that's not the > main aim) SeaBIOS that is just enough to boot a Linux kernel using the > -kernel option on i686 and x86_64. > > This commit does not modify the -kernel option to use this. You have > to specify it by doing something like this: > > -kernel vmlinuz -bios bios-fast.bin > > Signed-off-by: Richard W.M. Jones > Acked-by: Stefan Hajnoczi > Signed-off-by: Gerd Hoffmann Hi Gerd, I'd like to "self-" NACK this patch - ie. I withdraw it. It needs more work to benchmark any time savings, and I think also to explore other ways to fix the problem. Thanks, Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones Read my programming and virtualization blog: http://rwmj.wordpress.com Fedora Windows cross-compiler. Compile Windows programs, test, and build Windows installers. Over 100 libraries supported. http://fedoraproject.org/wiki/MinGW