From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752894Ab2H3Vnl (ORCPT ); Thu, 30 Aug 2012 17:43:41 -0400 Received: from e8.ny.us.ibm.com ([32.97.182.138]:54722 "EHLO e8.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751865Ab2H3Vnk (ORCPT ); Thu, 30 Aug 2012 17:43:40 -0400 Date: Thu, 30 Aug 2012 12:02:45 -0700 From: "Paul E. McKenney" To: linux-kernel@vger.kernel.org Cc: mingo@elte.hu, 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, Valdis.Kletnieks@vt.edu, dhowells@redhat.com, eric.dumazet@gmail.com, darren@dvhart.com, fweisbec@gmail.com, sbw@mit.edu, patches@linaro.org Subject: [PATCH tip/core/rcu 0/3] CPU-hotplug changes Message-ID: <20120830190245.GA32625@linux.vnet.ibm.com> Reply-To: paulmck@linux.vnet.ibm.com MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-Content-Scanned: Fidelis XPS MAILER x-cbid: 12083021-9360-0000-0000-00000A06A23A Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello! This patch series contains fixes and improvements related to CPU hotplug: 1. Remove _rcu_barrier() dependency on __stop_machine(). 2. Disallow callback registry on offline CPUs. 3. Fix load avg vs cpu-hotplug (with Peter Zijlstra). Thanx, Paul ------------------------------------------------------------------------ b/kernel/rcutree.c | 83 ++++++----------------------------------------- b/kernel/rcutree.h | 3 - b/kernel/rcutree_trace.c | 4 +- b/kernel/sched/core.c | 41 +++++++++++------------ kernel/rcutree.c | 10 +++++ 5 files changed, 43 insertions(+), 98 deletions(-)