Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751815AbWHATPF (ORCPT ); Tue, 1 Aug 2006 15:15:05 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751817AbWHATPE (ORCPT ); Tue, 1 Aug 2006 15:15:04 -0400 Received: from cantor.suse.de ([195.135.220.2]:25514 "EHLO mx1.suse.de") by vger.kernel.org with ESMTP id S1751815AbWHATPC (ORCPT ); Tue, 1 Aug 2006 15:15:02 -0400 To: "Eric W. Biederman" Cc: Horms , Jan Kratochvil , "H. Peter Anvin" , Magnus Damm , linux-kernel@vger.kernel.org Subject: Re: [PATCH 28/33] x86_64: Remove the identity mapping as early as possible. References: <11544302462613-git-send-email-ebiederm@xmission.com> From: Andi Kleen Date: 01 Aug 2006 21:15:00 +0200 In-Reply-To: <11544302462613-git-send-email-ebiederm@xmission.com> Message-ID: User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 607 Lines: 12 "Eric W. Biederman" writes: > With the rewrite of the SMP trampoline and the early page > allocator there is nothing that needs identity mapped pages, > once we start executing C code. Cool. Hopefully that can be done for i386 too. People on other architectures have been complaining that i386 doesn't catch early NULL pointers. -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/