From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755207AbYLBXwA (ORCPT ); Tue, 2 Dec 2008 18:52:00 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753264AbYLBXvs (ORCPT ); Tue, 2 Dec 2008 18:51:48 -0500 Received: from e3.ny.us.ibm.com ([32.97.182.143]:41339 "EHLO e3.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753211AbYLBXvs (ORCPT ); Tue, 2 Dec 2008 18:51:48 -0500 Date: Tue, 2 Dec 2008 15:51:45 -0800 From: "Paul E. McKenney" To: Andi Kleen Cc: 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: <20081202235145.GF6719@linux.vnet.ibm.com> Reply-To: paulmck@linux.vnet.ibm.com References: <20081202222157.GA14911@linux.vnet.ibm.com> <20081202233144.GE6703@one.firstfloor.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20081202233144.GE6703@one.firstfloor.org> User-Agent: Mutt/1.5.15+20070412 (2007-04-11) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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? Thanx, Paul