Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750892AbWHUUKQ (ORCPT ); Mon, 21 Aug 2006 16:10:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750916AbWHUUKQ (ORCPT ); Mon, 21 Aug 2006 16:10:16 -0400 Received: from cantor.suse.de ([195.135.220.2]:26517 "EHLO mx1.suse.de") by vger.kernel.org with ESMTP id S1750892AbWHUUKP (ORCPT ); Mon, 21 Aug 2006 16:10:15 -0400 Date: Mon, 21 Aug 2006 22:10:09 +0200 From: Andi Kleen To: ebiederm@xmission.com (Eric W. Biederman) Cc: vgoyal@in.ibm.com, Magnus Damm , Magnus Damm , fastboot@lists.osdl.org, linux-kernel@vger.kernel.org Subject: Re: [Fastboot] [PATCH][RFC] x86_64: Reload CS when startup_64 is used. Message-Id: <20060821221009.a43cfbf0.ak@suse.de> In-Reply-To: References: <20060821095328.3132.40575.sendpatchset@cherry.local> <200608211624.11005.ak@suse.de> <20060821144657.GE9549@in.ibm.com> <200608211704.03061.ak@suse.de> X-Mailer: Sylpheed version 2.2.7 (GTK+ 2.8.3; x86_64-unknown-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 694 Lines: 15 > I'm not certain I caught everything but as far as I know I did. > Part of that was by having the code run at a fixed virtual address so > we still live in the last 2GB of the virtual address space. You changed the -2GB (or rather -40MB unpatched) mapping to not necessarily be linear? There are a couple of assumptions that it is, including at boot up (it doubles as the 1:1 mapping then) and in change_page_attr() and in suspend/resume. -Andi - 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/