Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756716AbXHVHU1 (ORCPT ); Wed, 22 Aug 2007 03:20:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754022AbXHVHUT (ORCPT ); Wed, 22 Aug 2007 03:20:19 -0400 Received: from rv-out-0910.google.com ([209.85.198.184]:9049 "EHLO rv-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754016AbXHVHUR (ORCPT ); Wed, 22 Aug 2007 03:20:17 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=cq72yfIxJK7jPgto59t+vW2l+j1/67ED3keZ90sNLxB77mMw2chSEh5MmS/P1wZ51aR1Xx7UXQXTuQ609cWDnvAOeo8oyPrIlX38hcltZQVLeS6fpGoS1W53FaO+jsfvsizFUOmg+Y3LVwWuyM22ZjRYpUOpBHZlHXWItIRBaSg= Message-ID: <86802c440708220020u14c49a33r668228b6064e9631@mail.gmail.com> Date: Wed, 22 Aug 2007 00:20:14 -0700 From: "Yinghai Lu" To: "Andi Kleen" Subject: Re: [PATCH 0/3] x86_64 EFI runtime service support Cc: "H. Peter Anvin" , "Huang, Ying" , "Andrew Morton" , "Eric W. Biederman" , "Chandramouli Narayanan" , linux-kernel@vger.kernel.org, "Aaron Durbin" In-Reply-To: <20070822012216.GN32640@bingen.suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <1187250664.15063.0.camel@caritas-dev.intel.com> <1187313920.28497.1.camel@caritas-dev.intel.com> <46C5C8C4.4060407@zytor.com> <1187580031.27947.67.camel@caritas-dev.intel.com> <46C9CB89.7020603@zytor.com> <20070821113310.GF32640@bingen.suse.de> <46CAC168.7090102@zytor.com> <20070821114548.GI32640@bingen.suse.de> <86802c440708211658j1fb2a8caj41e1bb8bffa4baf4@mail.gmail.com> <20070822012216.GN32640@bingen.suse.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 682 Lines: 20 On 8/21/07, Andi Kleen wrote: > > current LinuxBIOS's path: the elfboot in LinuxBIOS will prepare the > > e820 table, and jump to startup_32 in kernel. is that not good and > > simple? > > The problem is that the zero page cannot be changed at all in this > setup. Or rather it can be only changed by breaking LinuxBios. FYI. current mkelfImage is using #define REAL_MODE_DATA_LOC 0x20000 the %esi will be 0x20000 YH - 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/