From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932913AbZLNXP1 (ORCPT ); Mon, 14 Dec 2009 18:15:27 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932698AbZLNXP0 (ORCPT ); Mon, 14 Dec 2009 18:15:26 -0500 Received: from e2.ny.us.ibm.com ([32.97.182.142]:42803 "EHLO e2.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932677AbZLNXPY (ORCPT ); Mon, 14 Dec 2009 18:15:24 -0500 Date: Mon, 14 Dec 2009 15:15:23 -0800 From: "Paul E. McKenney" To: David Miller Cc: mroos@linux.ee, linux-kernel@vger.kernel.org, sparclinux@vger.kernel.org Subject: Re: RCU detected CPU 0 stall after panic on sparc64 Message-ID: <20091214231523.GH6679@linux.vnet.ibm.com> Reply-To: paulmck@linux.vnet.ibm.com References: <20091212.014002.173528710.davem@davemloft.net> <20091214202556.GC6679@linux.vnet.ibm.com> <20091214.130201.144162604.davem@davemloft.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20091214.130201.144162604.davem@davemloft.net> User-Agent: Mutt/1.5.15+20070412 (2007-04-11) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Dec 14, 2009 at 01:02:01PM -0800, David Miller wrote: > From: "Paul E. McKenney" > Date: Mon, 14 Dec 2009 12:25:56 -0800 > > > Hmmm... At first glance, it looks like RCU should put a notifier onto > > the panic_notifier_list to disable this check. Or is there some global > > variable that I can check? > > Probably the notifier works just fine. OK, will take that approach. Thanx, Paul