From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754364AbaGNLWO (ORCPT ); Mon, 14 Jul 2014 07:22:14 -0400 Received: from relay3-d.mail.gandi.net ([217.70.183.195]:50310 "EHLO relay3-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751411AbaGNLWF (ORCPT ); Mon, 14 Jul 2014 07:22:05 -0400 X-Originating-IP: 50.43.32.211 Date: Mon, 14 Jul 2014 04:21:50 -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, dvhart@linux.intel.com, fweisbec@gmail.com, oleg@redhat.com, sbw@mit.edu, linux-rt-users@vger.kernel.org Subject: Re: [PATCH RFC tip/core/rcu 0/2] NOCB kthread economization patches Message-ID: <20140714112149.GA14508@thin> References: <20140714100604.GA9905@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140714100604.GA9905@linux.vnet.ibm.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jul 14, 2014 at 03:06:04AM -0700, Paul E. McKenney wrote: > This series provides a couple of patches that reduce the number of rcuo > kthreads in cases where nr_cpu_ids is larger than the actual number of > online CPUs. > > 1. Preparation patch that rationalizes RCU's creation of early-boot > kthreads. > > 2. Instead of creation rcuo kthreads for each possible CPU, create > them only for those CPUs that have come online at least once > since boot. For both: Reviewed-by: Josh Triplett