From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753720AbbCIUY2 (ORCPT ); Mon, 9 Mar 2015 16:24:28 -0400 Received: from www.linutronix.de ([62.245.132.108]:37606 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751777AbbCIUY1 (ORCPT ); Mon, 9 Mar 2015 16:24:27 -0400 Message-ID: <54FE0177.7010407@linutronix.de> Date: Mon, 09 Mar 2015 21:24:23 +0100 From: Sebastian Andrzej Siewior User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Icedove/31.4.0 MIME-Version: 1.0 To: paulmck@linux.vnet.ibm.com CC: linux-kernel@vger.kernel.org, linux-rt-users@vger.kernel.org, Steven Rostedt Subject: Re: RCU stalls on heavy socket traffic References: <20150309152651.GD13768@linutronix.de> <20150309155947.GW5236@linux.vnet.ibm.com> <20150309163915.GF13768@linutronix.de> <20150309180212.GX5236@linux.vnet.ibm.com> In-Reply-To: <20150309180212.GX5236@linux.vnet.ibm.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 03/09/2015 07:02 PM, Paul E. McKenney wrote: > abaf3f9d275b (rcu: Revert "Allow post-unlock reference for rt_mutex" to avoid priority-inversion) > > This patch fixed a priority-inversion problem, so might well fix your > RCU CPU stall-warning problem. Yes, it fixes the problem. Thank you. > Thanx, Paul > Sebastian