From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751220AbaGQEBl (ORCPT ); Thu, 17 Jul 2014 00:01:41 -0400 Received: from mail-yk0-f181.google.com ([209.85.160.181]:33972 "EHLO mail-yk0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750740AbaGQEBj (ORCPT ); Thu, 17 Jul 2014 00:01:39 -0400 Message-ID: <53C74ABB.5060006@gmail.com> Date: Thu, 17 Jul 2014 00:02:03 -0400 From: Pranith Kumar User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: Sasha Levin , "Paul E. McKenney" , linux-kernel@vger.kernel.org CC: mingo@kernel.org, laijs@cn.fujitsu.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@efficios.com, josh@joshtriplett.org, niv@us.ibm.com, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, dhowells@redhat.com Subject: Re: [PATCH RFC tip/core/rcu 1/2] rcu: Rationalize kthread spawning References: <20140714100604.GA9905@linux.vnet.ibm.com> <1405332404-10094-1-git-send-email-paulmck@linux.vnet.ibm.com> <53C73BA3.1070303@oracle.com> In-Reply-To: <53C73BA3.1070303@oracle.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 07/16/2014 10:57 PM, Sasha Levin wrote: > On 07/14/2014 06:06 AM, Paul E. McKenney wrote: >> From: "Paul E. McKenney" >> >> Currently, RCU spawns kthreads from several different early_initcall() >> functions. Although this has served RCU well for quite some time, >> as more kthreads are added a more deterministic approach is required. >> This commit therefore causes all of RCU's early-boot kthreads to be >> spawned from a single early_initcall() function. >> >> Signed-off-by: Paul E. McKenney > > Hey Paul, > > I've updated to today's -next and my VM started hanging on boot. Bisect > pointed out this patch. > > I don't have any further info right now, but can provide whatever you'll > find useful. Hi Sasha, Could you attach the config file which is failing for a start? Thanks, -- Pranith > > > Thanks, > Sasha >