From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932417AbVHNCM2 (ORCPT ); Sat, 13 Aug 2005 22:12:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932418AbVHNCM2 (ORCPT ); Sat, 13 Aug 2005 22:12:28 -0400 Received: from mx2.elte.hu ([157.181.151.9]:30637 "EHLO mx2.mail.elte.hu") by vger.kernel.org with ESMTP id S932417AbVHNCM1 (ORCPT ); Sat, 13 Aug 2005 22:12:27 -0400 Date: Sun, 14 Aug 2005 04:12:58 +0200 From: Ingo Molnar To: George Anzinger Cc: Lee Revell , Ryan Brown , linux-kernel@vger.kernel.org, Thomas Gleixner , "Paul E. McKenney" Subject: Re: [patch] Real-Time Preemption, -RT-2.6.13-rc4-V0.7.53-01, High Resolution Timers & RCU-tasklist features Message-ID: <20050814021258.GA25877@elte.hu> References: <20050811110051.GA20872@elte.hu> <1c1c8636050812172817b14384@mail.gmail.com> <1123893158.12680.70.camel@mindpipe> <42FD4593.9030702@mvista.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <42FD4593.9030702@mvista.com> User-Agent: Mutt/1.4.2.1i X-ELTE-SpamScore: 0.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=0.0 required=5.9 tests=none autolearn=disabled SpamAssassin version=3.0.4 X-ELTE-VirusStatus: clean Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org * George Anzinger wrote: > Ingo, all > > I, silly person that I am, configured an RT, SMP, PREEMPT_DEBUG system. > Someone put code in the NMI path to modify the preempt count which, > often as not will generate a PREEMPT_DEBUG message as there is no tell > what state the preempt count is in on an NMI interrupt. I have sent > the attached patch to Andrew on this, but meanwhile, if you want RT, > SMP, PREEMPT_DEBUG you will be much better off with this. ah - thanks, applied. Might explain some of the recent SMP weirdnesses i'm seeing. Attributed them to the HRT patch ;-) Ingo