From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [140.186.70.92] (port=33895 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Oas8D-0002bs-KX for qemu-devel@nongnu.org; Mon, 19 Jul 2010 11:19:50 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1Oarjz-0002uq-Vv for qemu-devel@nongnu.org; Mon, 19 Jul 2010 10:54:49 -0400 Received: from mx1.redhat.com ([209.132.183.28]:51012) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1Oarjz-0002uk-NZ for qemu-devel@nongnu.org; Mon, 19 Jul 2010 10:54:47 -0400 Date: Mon, 19 Jul 2010 17:54:45 +0300 From: Gleb Natapov Subject: Re: [Qemu-devel] Question about qemu firmware configuration (fw_cfg) device Message-ID: <20100719145445.GW4689@redhat.com> References: <20100719073312.GY4689@redhat.com> <20100719074416.GP13194@amd.home.annexia.org> <20100719075533.GC4689@redhat.com> <20100719083411.GR13194@amd.home.annexia.org> <20100719084041.GH4689@redhat.com> <20100719090004.GS13194@amd.home.annexia.org> <20100719090654.GK4689@redhat.com> <9C4457B3-884D-482D-9BD0-C49AA20FB3CF@suse.de> <20100719091543.GM4689@redhat.com> <4C4466A7.3030808@codemonkey.ws> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4C4466A7.3030808@codemonkey.ws> List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Anthony Liguori Cc: qemu-devel@nongnu.org, Alexander Graf , "Richard W.M. Jones" On Mon, Jul 19, 2010 at 09:52:23AM -0500, Anthony Liguori wrote: > On 07/19/2010 04:15 AM, Gleb Natapov wrote: > >On Mon, Jul 19, 2010 at 11:09:13AM +0200, Alexander Graf wrote: > >>On 19.07.2010, at 11:06, Gleb Natapov wrote: > >> > >>>On Mon, Jul 19, 2010 at 10:00:04AM +0100, Richard W.M. Jones wrote: > >>>>virt-install is another program that uses explicit -initrd. > >>>> > >>>Installation takes a lot of time. Saving 1 second there will not be > >>>noticeable. And during lifetime of installed VM initrd will be loaded > >>>from its disk. > >>Guys, please. It shouldn't be one or the other. Let's make sure both ways of doing things are fast. That's what users want: fast. > >> > >That what we are talking about, no? We are trying to find faster way to > >load kernel/initrd and stay architectural. > > Modern platforms are not nearly as "architectural" as you would think. > > It's not unusual to hang a custom chip off of the Southbridge that > implements platform specific services along with an array of > "legacy" devices that are implemented mostly in software to cost. > > Other buses (like PS/2) are largely implemented in SMM today by the BIOS. > I don't get your point. What is not "architectural" about all that? -- Gleb.