From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754407Ab2IYS2L (ORCPT ); Tue, 25 Sep 2012 14:28:11 -0400 Received: from mail-ee0-f46.google.com ([74.125.83.46]:63799 "EHLO mail-ee0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753142Ab2IYS2J (ORCPT ); Tue, 25 Sep 2012 14:28:09 -0400 Message-ID: <5061F7C7.7060107@gmail.com> Date: Tue, 25 Sep 2012 20:28:23 +0200 From: Sasha Levin User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:15.0) Gecko/20120913 Thunderbird/15.0.1 MIME-Version: 1.0 To: Frederic Weisbecker CC: paulmck@linux.vnet.ibm.com, Michael Wang , Dave Jones , "linux-kernel@vger.kernel.org" Subject: Re: RCU idle CPU detection is broken in linux-next References: <20120922155613.GB2934@linux.vnet.ibm.com> <505DFA65.3080805@gmail.com> <20120922212735.GG2934@linux.vnet.ibm.com> <20120923002105.GA1112@linux.vnet.ibm.com> <505EA09B.6040105@gmail.com> <5060E31B.3070203@gmail.com> <5060E498.7030003@gmail.com> <5060E863.6020006@gmail.com> <20120925120549.GC2310@somewhere.redhat.com> In-Reply-To: <20120925120549.GC2310@somewhere.redhat.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 09/25/2012 02:06 PM, Frederic Weisbecker wrote: > Sasha, sorry to burden you with more testing request. > Could you please try out this new branch? It includes some fixes after Wu Fenguang and > Dan Carpenter reports (not related to your warnings though) and a patch on the top > of the pile to ensure I diagnosed well the problem, which return immediately from > rcu_user_*() APIs if we are in an interrupt. > > This way we'll have a clearer view. I also would like to know if there are other > problems with the rcu user mode. > > Thanks! Alrighty, I don't see any warnings anymore. I'll keep everything running just in case. Thanks, Sasha