From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750826Ab3IYEIY (ORCPT ); Wed, 25 Sep 2013 00:08:24 -0400 Received: from relay4-d.mail.gandi.net ([217.70.183.196]:48776 "EHLO relay4-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750751Ab3IYEIX (ORCPT ); Wed, 25 Sep 2013 00:08:23 -0400 X-Originating-IP: 50.43.39.152 Date: Tue, 24 Sep 2013 21:08:10 -0700 From: Josh Triplett To: "Paul E. McKenney" Cc: linux-kernel@vger.kernel.org, mingo@kernel.org, laijs@cn.fujitsu.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@efficios.com, niv@us.ibm.com, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com, darren@dvhart.com, fweisbec@gmail.com, sbw@mit.edu Subject: Re: [PATCH tip/core/rcu 0/6] Idle entry/exit changes for 3.13 Message-ID: <20130925040809.GD2016@leaf> References: <20130925014954.GA32109@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20130925014954.GA32109@linux.vnet.ibm.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Sep 24, 2013 at 06:49:55PM -0700, Paul E. McKenney wrote: > Hello! > > This series updates RCU's idle entry/exit processing: > > 1. Remove redundant code from rcu_cleanup_after_idle(). > > 2. Throttle rcu_try_advance_all_cbs() execution to avoid kbuild > slowdowns. > > 3. Throttle non-lazy-callback-induced invoke_rcu_core() invocations. > > 4. Add primitive to determine whether it is safe to enter an RCU > read-side critical section. > > 5. Upgrade EXPORT_SYMBOL() to EXPORT_SYMBOL_GPL(). > > 6. Change rcu_is_cpu_idle() function to __rcu_is_watching() for > naming consistency. For all six: Reviewed-by: Josh Triplett