From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758497AbYHOONS (ORCPT ); Fri, 15 Aug 2008 10:13:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753933AbYHOONF (ORCPT ); Fri, 15 Aug 2008 10:13:05 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:48204 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752588AbYHOOND (ORCPT ); Fri, 15 Aug 2008 10:13:03 -0400 Date: Fri, 15 Aug 2008 16:09:02 +0200 From: Ingo Molnar To: "Paul E. McKenney" Cc: linux-kernel@vger.kernel.org, akpm@linux-foundation.org, oleg@tv-sign.ru, manfred@colorfullife.com, dipankar@in.ibm.com, rostedt@goodmis.org, dvhltc@us.ibm.com, niv@us.ibm.com Subject: Re: [PATCH tip/core/rcu] classic RCU locking and memory-barrier cleanups Message-ID: <20080815140902.GE14103@elte.hu> References: <20080805162144.GA8297@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080805162144.GA8297@linux.vnet.ibm.com> User-Agent: Mutt/1.5.18 (2008-05-17) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Paul E. McKenney wrote: > This patch simplifies the locking and memory-barrier usage in the > Classic RCU grace-period-detection mechanism, incorporating Lai > Jiangshan's feedback from the earlier version > (http://lkml.org/lkml/2008/8/1/400 and > http://lkml.org/lkml/2008/8/3/43). Passed 10 hours of rcutorture > concurrent with CPUs being put online and taken offline on a > 128-hardware-thread Power machine. My apologies to whoever in the > Eastern Hemisphere was planning to use this machine over the Western > Hemisphere night, but it was sitting idle and... > > So this is ready for tip/core/rcu. applied to tip/core/rcu - thanks Paul! Ingo