From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755460AbYLCAH0 (ORCPT ); Tue, 2 Dec 2008 19:07:26 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753802AbYLCAHO (ORCPT ); Tue, 2 Dec 2008 19:07:14 -0500 Received: from one.firstfloor.org ([213.235.205.2]:58225 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752624AbYLCAHN (ORCPT ); Tue, 2 Dec 2008 19:07:13 -0500 Date: Wed, 3 Dec 2008 01:18:12 +0100 From: Andi Kleen To: "Paul E. McKenney" Cc: Andi Kleen , linux-kernel@vger.kernel.org, cl@linux-foundation.org, mingo@elte.hu, akpm@linux-foundation.org, manfred@colorfullife.com, dipankar@in.ibm.com, josht@linux.vnet.ibm.com, schamp@sgi.com, niv@us.ibm.com, dvhltc@us.ibm.com, ego@in.ibm.com, laijs@cn.fujitsu.com, rostedt@goodmis.org, peterz@infradead.org, penberg@cs.helsinki.fi, tglx@linutronix.de Subject: Re: [PATCH -tip] v9 scalable classic RCU implementation Message-ID: <20081203001811.GF6703@one.firstfloor.org> References: <20081202222157.GA14911@linux.vnet.ibm.com> <20081202233144.GE6703@one.firstfloor.org> <20081202235145.GF6719@linux.vnet.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20081202235145.GF6719@linux.vnet.ibm.com> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Dec 02, 2008 at 03:51:45PM -0800, Paul E. McKenney wrote: > On Wed, Dec 03, 2008 at 12:31:44AM +0100, Andi Kleen wrote: > > > o I now test with a more brutal random-selection online/offline > > > script (attached). Probably more brutal than it needs to be > > > on the people reading it as well, but so it goes. > > > > Does that cover both dynticks on and off? afaik the dynticks off problem > > I ran into on a 16 thread box and we discussed some time ago is still there. > > The failures I see with this patch I also see with mainline. Are you > seeing something with this patch that does not happen with mainline? No, that is in mainline too. Sorry to be misleading. Do you see the same problems in your testing? -Andi -- ak@linux.intel.com