From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [140.186.70.92] (port=35400 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Oaq3F-0000Fz-2T for qemu-devel@nongnu.org; Mon, 19 Jul 2010 09:06:34 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1Oaq3B-0000Ka-Q0 for qemu-devel@nongnu.org; Mon, 19 Jul 2010 09:06:32 -0400 Received: from mx1.redhat.com ([209.132.183.28]:38494) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1Oaq3B-0000KN-JB for qemu-devel@nongnu.org; Mon, 19 Jul 2010 09:06:29 -0400 Date: Mon, 19 Jul 2010 14:06:27 +0100 From: "Richard W.M. Jones" Subject: Re: [Qemu-devel] Question about qemu firmware configuration (fw_cfg) device Message-ID: <20100719130627.GA3326@amd.home.annexia.org> References: <20100719072802.GO13194@amd.home.annexia.org> <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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20100719091543.GM4689@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 12:15:43PM +0300, Gleb Natapov wrote: > That what we are talking about, no? We are trying to find faster way to > load kernel/initrd and stay architectural. Honestly I would expect much > greater speedup from Richard's approach like 2 seconds vs 8 seconds. It > is hard to justify code complication just for 1 second speedup. I've no idea where this "8 seconds" comes from. Total boot time currently is < 8 seconds even without my patch. My patch takes it from 7.5 seconds to 6.5 seconds. Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones New in Fedora 11: Fedora Windows cross-compiler. Compile Windows programs, test, and build Windows installers. Over 70 libraries supprt'd http://fedoraproject.org/wiki/MinGW http://www.annexia.org/fedora_mingw