From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753404Ab3CKRyP (ORCPT ); Mon, 11 Mar 2013 13:54:15 -0400 Received: from www.linutronix.de ([62.245.132.108]:36692 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751636Ab3CKRyO (ORCPT ); Mon, 11 Mar 2013 13:54:14 -0400 Date: Mon, 11 Mar 2013 18:54:08 +0100 From: Sebastian Andrzej Siewior To: Paul Gortmaker Cc: Thomas Gleixner , "Paul E. McKenney" , linux-rt-users@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: Threaded irqs + 100% CPU RT task = RCU stall Message-ID: <20130311175408.GC22286@linutronix.de> References: <20130306154917.GA15249@windriver.com> <20130306171648.GO3268@linux.vnet.ibm.com> <20130306214502.GC3268@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20130306214502.GC3268@linux.vnet.ibm.com> X-Key-Id: 97C4700B X-Key-Fingerprint: 09E2 D1F3 9A3A FF13 C3D3 961C 0688 1C1E 97C4 700B User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Paul E. McKenney | 2013-03-06 13:45:02 [-0800]: >Is this behavior OK? If so, the following (untested) patch might do >what you want. ;-) Paul (Gortmaker) could you please test Paul's (McKenney) to see if it makes things for Joe (Average) easier to spot? Sebastian