From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264002AbUEXFmj (ORCPT ); Mon, 24 May 2004 01:42:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263980AbUEXFk5 (ORCPT ); Mon, 24 May 2004 01:40:57 -0400 Received: from gate.crashing.org ([63.228.1.57]:49377 "EHLO gate.crashing.org") by vger.kernel.org with ESMTP id S263979AbUEXFku (ORCPT ); Mon, 24 May 2004 01:40:50 -0400 Subject: Re: [PATCH] ppc64: Fix possible race with set_pte on a present PTE From: Benjamin Herrenschmidt To: Ingo Molnar Cc: Linus Torvalds , Andrew Morton , Linux Kernel list , Ben LaHaise , linux-mm@kvack.org In-Reply-To: <20040524073929.GA23216@elte.hu> References: <1085369393.15315.28.camel@gaston> <1085371988.15281.38.camel@gaston> <1085373839.14969.42.camel@gaston> <20040524073929.GA23216@elte.hu> Content-Type: text/plain Message-Id: <1085377151.15025.51.camel@gaston> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 Date: Mon, 24 May 2004 15:39:12 +1000 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 2004-05-24 at 17:39, Ingo Molnar wrote: > * Linus Torvalds wrote: > > > Who else has been working on the page tables that could verify this > > for me? Ingo? Ben LaHaise? I forget who even worked on this, because > > it's so long ago we went through all the atomicity issues with the > > page table updates on SMP. There may be some reason that I'm > > overlooking that explains why I'm full of sh*t. > > Ben's the master of atomic dirty pte updates! :) Precise which Ben :) Well, in this case it's obvious but still.. :) Ben.