From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759749AbXEMUIQ (ORCPT ); Sun, 13 May 2007 16:08:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757420AbXEMUIJ (ORCPT ); Sun, 13 May 2007 16:08:09 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:39275 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757349AbXEMUII (ORCPT ); Sun, 13 May 2007 16:08:08 -0400 Date: Sun, 13 May 2007 22:07:39 +0200 From: Ingo Molnar To: Andrew Morton Cc: tglx@linutronix.de, "Rafael J. Wysocki" , LKML , John Stultz , linux-acpi@vger.kernel.org Subject: Re: [patch 3/3] clockevents: Fix resume logic - updated version Message-ID: <20070513200739.GA4137@elte.hu> References: <20070512030754.90488f79.akpm@linux-foundation.org> <1178970253.22481.143.camel@localhost.localdomain> <20070512095145.0cf58a57.akpm@linux-foundation.org> <1178989302.22481.185.camel@localhost.localdomain> <20070512102350.04126320.akpm@linux-foundation.org> <1178999770.22481.211.camel@localhost.localdomain> <20070512181140.50140334.akpm@linux-foundation.org> <1179043652.22481.243.camel@localhost.localdomain> <1179074887.22481.271.camel@localhost.localdomain> <20070513120937.024a4368.akpm@linux-foundation.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070513120937.024a4368.akpm@linux-foundation.org> User-Agent: Mutt/1.4.2.2i X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -2.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-2.0 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.1.7 -2.0 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org * Andrew Morton wrote: > Yeah, I expect quite a few people will start seeing that. iirc it was > triggered by a couple of changes: a local_irq_save/local_irq_restore > in sched_clock() and a change Jeremy made to the softlockup detector. hm, i specifically asked to not do local_irq_save/restore in sched_clock(). It's the _scheduler_ clock and it very absolutely positively needs no flags save/restore. Ingo