From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 4 May 2001 10:30:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 4 May 2001 10:30:48 -0400 Received: from lange.hostnamen.sind-doof.de ([212.15.192.219]:34822 "HELO xena.sind-doof.de") by vger.kernel.org with SMTP id ; Fri, 4 May 2001 10:30:41 -0400 Date: Fri, 4 May 2001 16:21:26 +0200 From: Andreas Ferber To: Keith Owens Cc: Todd Inglett , Alexander Viro , linux-kernel@vger.kernel.org Subject: Re: SMP races in proc with thread_struct Message-ID: <20010504162126.A14679@kallisto.sind-doof.de> Mail-Followup-To: Keith Owens , Todd Inglett , Alexander Viro , linux-kernel@vger.kernel.org In-Reply-To: <3AF2A1CC.C22A48E7@vnet.ibm.com> <8541.988980403@ocs3.ocs-net> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit User-Agent: Mutt/1.2.5i In-Reply-To: <8541.988980403@ocs3.ocs-net>; from kaos@ocs.com.au on Fri, May 04, 2001 at 10:46:43PM +1000 X-Operating-System: Debian GNU/Linux (Linux 2.4.4-int1-vlan101-nf20010428 i686) X-Disclaimer: Are you really taking me serious? Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi, On Fri, May 04, 2001 at 10:46:43PM +1000, Keith Owens wrote: > For a read only case, the only important > thing is not to die, one occurrence of bad data is tolerable. Strong NACK. The pages where the bad data comes from may in some cases already be reclaimed for other data, probably something security relevant, which should never ever be given even read access by an unauthorized user. Even if this event may be a very rare case, one single occurrence of this is one to much. Andreas -- >Ich nehm nicht mal Zucker in den den Kaffee. Dafür nehm ich nichtmal Kaffee. (Peter Backof + Bernhard Schultz in detebe)