From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: [PATCH] team: add rescheduling jiffy delay on !rtnl_trylock Date: Sun, 5 Oct 2014 12:11:13 -0400 Message-ID: <20141005161113.GA22223@mtj.dyndns.org> References: <20140929115445.40221d8e@jlaw-desktop.mno.stratus.com> <20140929160601.GD15925@htj.dyndns.org> <20141002064308.GN5015@linux.vnet.ibm.com> <20141003153701.7c7da030@jlaw-desktop.mno.stratus.com> <20141004083732.GG5015@linux.vnet.ibm.com> <20141005021325.GB8549@htj.dyndns.org> <54313F34.8090801@stratus.com> <20141005140855.GO5015@linux.vnet.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Joe Lawrence , netdev@vger.kernel.org, Jiri Pirko To: "Paul E. McKenney" Return-path: Received: from mail-qg0-f50.google.com ([209.85.192.50]:50891 "EHLO mail-qg0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751768AbaJEQLQ (ORCPT ); Sun, 5 Oct 2014 12:11:16 -0400 Received: by mail-qg0-f50.google.com with SMTP id q108so2777282qgd.37 for ; Sun, 05 Oct 2014 09:11:15 -0700 (PDT) Content-Disposition: inline In-Reply-To: <20141005140855.GO5015@linux.vnet.ibm.com> Sender: netdev-owner@vger.kernel.org List-ID: Hello, Paul, Joe. On Sun, Oct 05, 2014 at 07:08:55AM -0700, Paul E. McKenney wrote: > > I wasn't sure if cond_resched_rcu_qs will be backported, so how should > > -stable handle this condition? > > If it is needed to backport a fix, it can of course be backported. > The various -stable maintainers also have the option of avoiding > the need for a backport by expanding it inline. I am happy to let > them choose. ;-) Let's go for separate cond_resched + rcu_qs calls first and then apply a separate patch to use cond_resched_rcu_qs() so that the first one can be marked for -stable. Thanks. -- tejun