From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [patch 0/3] net: Sanitizing hrtimer usage in net/sched/sch_cbq.c Date: Thu, 09 Jul 2009 17:39:30 -0700 (PDT) Message-ID: <20090709.173930.195849446.davem@davemloft.net> References: <20090709215455.703939259@linutronix.de> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, kaber@trash.net, peterz@infradead.org To: tglx@linutronix.de Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:43861 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750833AbZGJAj1 (ORCPT ); Thu, 9 Jul 2009 20:39:27 -0400 In-Reply-To: <20090709215455.703939259@linutronix.de> Sender: netdev-owner@vger.kernel.org List-ID: From: Thomas Gleixner Date: Thu, 09 Jul 2009 21:59:18 -0000 > While looking at the "Soft-Lockup/Race in networking in 2.6.31-rc1+195 > ( possibly caused by netem)" issue (http://lkml.org/lkml/2009/7/2/519) > I noticed some serious problems in the hrtimer related code of > net/sched/sched/sch_cbq.c. > > The following patch series addresses these. > > I'm not entirely sure whether patch [1/3] covers all possible > concurrent modifications, but it fixes the most obvious ones. The > remaining details are left to the networking experts. > > Patches [1/3] and [2/3] might be stable material as well. Thanks a lot for these paches Thomas, I'll look at them more closely.