From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752781AbaIJWSf (ORCPT ); Wed, 10 Sep 2014 18:18:35 -0400 Received: from e34.co.us.ibm.com ([32.97.110.152]:37399 "EHLO e34.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751803AbaIJWSe (ORCPT ); Wed, 10 Sep 2014 18:18:34 -0400 Date: Wed, 10 Sep 2014 15:18:29 -0700 From: "Paul E. McKenney" To: Christoph Lameter Cc: Frederic Weisbecker , linux-kernel@vger.kernel.org Subject: Re: [RFC] dynticks: dynticks_idle is only modified locally use this_cpu ops Message-ID: <20140910221828.GO4704@linux.vnet.ibm.com> Reply-To: paulmck@linux.vnet.ibm.com References: <20140903144349.GT5001@linux.vnet.ibm.com> <20140903171409.GZ5001@linux.vnet.ibm.com> <20140903181931.GB5001@linux.vnet.ibm.com> <20140904161629.GF5001@linux.vnet.ibm.com> <20140904193248.GK5001@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 14091022-1542-0000-0000-000004B558EF Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Sep 08, 2014 at 01:20:30PM -0500, Christoph Lameter wrote: > > On Thu, 4 Sep 2014, Paul E. McKenney wrote: > > > The lglocks use should be of particular interest to you. See above to > > find the others. > > Well the other seem to be in drivers. OK... > > Understood, but no hasty changes to that part of RCU. > > At our age I think we have learned to be very deliberate and slow. And rcutorture needs some upgrades for this case. > > rcu: Use DEFINE_PER_CPU_SHARED_ALIGNED for rcu_data > > Reviewed-by: Christoph Lameter Thank you, recorded. Thanx, Paul