From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755463Ab0A1OzR (ORCPT ); Thu, 28 Jan 2010 09:55:17 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753596Ab0A1OzQ (ORCPT ); Thu, 28 Jan 2010 09:55:16 -0500 Received: from bombadil.infradead.org ([18.85.46.34]:53801 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752836Ab0A1OzP (ORCPT ); Thu, 28 Jan 2010 09:55:15 -0500 Subject: Re: [PATCH 3/3] [RFC] nmi_watchdog: config option to enable new nmi_watchdog From: Peter Zijlstra To: Don Zickus Cc: mingo@elte.hu, gorcunov@gmail.com, aris@redhat.com, linux-kernel@vger.kernel.org In-Reply-To: <1264622622-5778-4-git-send-email-dzickus@redhat.com> References: <1264622622-5778-1-git-send-email-dzickus@redhat.com> <1264622622-5778-4-git-send-email-dzickus@redhat.com> Content-Type: text/plain; charset="UTF-8" Date: Thu, 28 Jan 2010 15:54:54 +0100 Message-ID: <1264690494.4283.2103.camel@laptop> Mime-Version: 1.0 X-Mailer: Evolution 2.28.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2010-01-27 at 15:03 -0500, Don Zickus wrote: > These are the bits that enable the new nmi_watchdog and safely isolate the > old nmi_watchdog. Only one or the other can run, not both at the same > time. perf disables the lapic watchdog when it wants the pmu, so there shouldn't be a problem having both built in.