Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750716AbVLFPh3 (ORCPT ); Tue, 6 Dec 2005 10:37:29 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750730AbVLFPh3 (ORCPT ); Tue, 6 Dec 2005 10:37:29 -0500 Received: from [81.2.110.250] ([81.2.110.250]:27339 "EHLO lxorguk.ukuu.org.uk") by vger.kernel.org with ESMTP id S1750716AbVLFPh2 (ORCPT ); Tue, 6 Dec 2005 10:37:28 -0500 Subject: Re: [Lse-tech] Re: [PATCH 0/7]: Fix for unsafe notifier chain From: Alan Cox To: Keith Owens Cc: Andi Kleen , Andrew Morton , paulmck@us.ibm.com, greg@kroah.com, sekharan@us.ibm.com, linux-kernel@vger.kernel.org, lse-tech@lists.sourceforge.net, Douglas_Warzecha@dell.com, Abhay_Salunke@dell.com, achim_leubner@adaptec.com, dmp@davidmpye.dyndns.org In-Reply-To: <4544.1133166696@ocs3.ocs.com.au> References: <4544.1133166696@ocs3.ocs.com.au> Content-Type: text/plain Content-Transfer-Encoding: 7bit Date: Sun, 04 Dec 2005 16:19:57 +0000 Message-Id: <1133713198.3168.0.camel@localhost> Mime-Version: 1.0 X-Mailer: Evolution 2.2.3 (2.2.3-2.fc4) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 652 Lines: 15 On Llu, 2005-11-28 at 19:31 +1100, Keith Owens wrote: > >Or just don't unregister. That is what I did for the debug notifiers. > > Unregister is not the only problem. Chain traversal races with > register as well. There are some NMI handler registration functions and attempts at safe code for it in the unmerged experimental part of the bluesmoke (bluesmoke.sf.net) project that may be useful perhaps ? - 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/