From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [140.186.70.92] (port=49963 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Oakli-0003r9-WB for qemu-devel@nongnu.org; Mon, 19 Jul 2010 03:28:08 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1Oaklh-0002bD-Sb for qemu-devel@nongnu.org; Mon, 19 Jul 2010 03:28:06 -0400 Received: from mx1.redhat.com ([209.132.183.28]:18041) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1Oaklh-0002b9-L3 for qemu-devel@nongnu.org; Mon, 19 Jul 2010 03:28:05 -0400 Date: Mon, 19 Jul 2010 08:28:02 +0100 From: "Richard W.M. Jones" Subject: Re: [Qemu-devel] Question about qemu firmware configuration (fw_cfg) device Message-ID: <20100719072802.GO13194@amd.home.annexia.org> References: <20100717095059.GA19767@amd.home.annexia.org> <20100717095353.GB19767@amd.home.annexia.org> <269D196D-8CE8-4E24-8EE1-39756AC55F7F@suse.de> <20100718200942.GL13194@amd.home.annexia.org> <44FD4F00-843D-41C8-B21A-148D16745015@suse.de> <20100719062356.GU4689@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20100719062356.GU4689@redhat.com> List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Gleb Natapov Cc: Alexander Graf , qemu-devel@nongnu.org On Mon, Jul 19, 2010 at 09:23:56AM +0300, Gleb Natapov wrote: > That what I am warring about too. If we are adding device we have to be > sure such device can actually exist on real hw too otherwise we may have > problems later. I don't understand why the constraints of real h/w have anything to do with this. Can you explain? > Also 1 second on 100M file does not look like huge gain to me. Every second counts. We're trying to get libguestfs boot times down from 8-12 seconds to 4-5 seconds. For many cases it's an interactive program. Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones virt-p2v converts physical machines to virtual machines. Boot with a live CD or over the network (PXE) and turn machines into Xen guests. http://et.redhat.com/~rjones/virt-p2v