Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761810AbXHTRFl (ORCPT ); Mon, 20 Aug 2007 13:05:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1760535AbXHTRFd (ORCPT ); Mon, 20 Aug 2007 13:05:33 -0400 Received: from terminus.zytor.com ([198.137.202.10]:44381 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759734AbXHTRFc (ORCPT ); Mon, 20 Aug 2007 13:05:32 -0400 Message-ID: <46C9C9C7.8080506@zytor.com> Date: Mon, 20 Aug 2007 10:05:11 -0700 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.0 (X11/20070419) MIME-Version: 1.0 To: Yinghai Lu CC: "Eric W. Biederman" , "Huang, Ying" , Andrew Morton , Andi Kleen , Chandramouli Narayanan , linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/3] x86_64 EFI runtime service support References: <1186990219.22431.37.camel@caritas-dev.intel.com> <20070815161642.1bfbbe9c.akpm@linux-foundation.org> <46C38AA8.5040202@zytor.com> <1187251248.15063.12.camel@caritas-dev.intel.com> <86802c440708191646r1caab5d8yd82c55fd2c8262db@mail.gmail.com> In-Reply-To: <86802c440708191646r1caab5d8yd82c55fd2c8262db@mail.gmail.com> X-Enigmail-Version: 0.95.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 632 Lines: 19 Yinghai Lu wrote: > > someone told me that EFI PEI will be 32 bit ( for mem etc > initialization), and after that will be 64 bit, so the Run time > service will be 64 bit only, and it will only support 64 bit OS with > EFI. and they have another mode to emulate the legacy BIOS to boot > 32bit OS. > That seems unlikely for e.g. the existing Macs already in the field. *Sigh.* -hpa - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/