From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754902AbYIDNhw (ORCPT ); Thu, 4 Sep 2008 09:37:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751388AbYIDNho (ORCPT ); Thu, 4 Sep 2008 09:37:44 -0400 Received: from bombadil.infradead.org ([18.85.46.34]:40617 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751098AbYIDNhn (ORCPT ); Thu, 4 Sep 2008 09:37:43 -0400 Subject: Re: [PATCH RFC] NMI Re-introduce un[set]_nmi_callback From: Peter Zijlstra To: Prarit Bhargava Cc: linux-kernel@vger.kernel.org, arozansk@redhat.com, dzickus@redhat.com, Thomas.Mingarelli@hp.com, ak@linux.intel.com, mingo@elte.hu In-Reply-To: <20080904130048.31841.3329.sendpatchset@prarit.bos.redhat.com> References: <20080904130048.31841.3329.sendpatchset@prarit.bos.redhat.com> Content-Type: text/plain Date: Thu, 04 Sep 2008 15:37:43 +0200 Message-Id: <1220535463.8609.223.camel@twins> Mime-Version: 1.0 X-Mailer: Evolution 2.22.3.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2008-09-04 at 09:07 -0400, Prarit Bhargava wrote: > Andi and Ingo, > > This patch is an RFC for the following changes. If I get a positive review, > changes to the HP Watchdog timer (currently in the kernel) will also be > submitted along with this patch. > > Thanks, > > P. > > The drivers/watchdog/hpwdt.c driver requires that all NMIs are processed > by the driver. Currently the driver does not do this. The first > step is to implement code to allow the default NMI handler to be replaced > by a custom NMI handler. Why is the DIE_NMIWATCHDOG notifier not sufficient for this driver?