From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757709AbYGNSnT (ORCPT ); Mon, 14 Jul 2008 14:43:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754527AbYGNSnG (ORCPT ); Mon, 14 Jul 2008 14:43:06 -0400 Received: from smtp1.linux-foundation.org ([140.211.169.13]:57798 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753028AbYGNSnE (ORCPT ); Mon, 14 Jul 2008 14:43:04 -0400 Date: Mon, 14 Jul 2008 11:42:46 -0700 (PDT) From: Linus Torvalds To: Andi Kleen cc: Ingo Molnar , Linux Kernel Mailing List , Andrew Morton , Avi Kivity Subject: Re: [git pull] core, x86: make LIST_POISON less deadly In-Reply-To: <871w1wz546.fsf@basil.nowhere.org> Message-ID: References: <20080714144828.GA22666@elte.hu> <871w1wz546.fsf@basil.nowhere.org> User-Agent: Alpine 1.10 (LFD 962 2008-03-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 14 Jul 2008, Andi Kleen wrote: > > When that happens then it will be either unmapped (and fault anyways) > or the kernel has to be changed to 5 level page tables first and then > surely the poison value could change too. You're still ignoring the other point: ffffc.. is much _less_ visually obvious than dead0... Linus