From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753297AbbCIVk0 (ORCPT ); Mon, 9 Mar 2015 17:40:26 -0400 Received: from e38.co.us.ibm.com ([32.97.110.159]:48490 "EHLO e38.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750830AbbCIVkZ (ORCPT ); Mon, 9 Mar 2015 17:40:25 -0400 Date: Mon, 9 Mar 2015 14:40:21 -0700 From: "Paul E. McKenney" To: Alexander Gordeev Cc: linux-kernel@vger.kernel.org Subject: Re: [PATCH 00/10] rcu: Cleanup RCU tree initialization Message-ID: <20150309214021.GD5236@linux.vnet.ibm.com> Reply-To: paulmck@linux.vnet.ibm.com References: 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: 15030921-0029-0000-0000-0000086FFD65 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Mar 09, 2015 at 09:34:04AM +0100, Alexander Gordeev wrote: > Hi Paul, > > Here is cleanup of RCU tree initialization rebased on linux-rcu rcu/next > repo, as you requested. Please, note an extra patch #10 that was not > present in the first post. > > The series successfully passes kernel build test with CONFIG_RCU_FANOUT > and CONFIG_RCU_FANOUT_LEAF equal to 5. I queued up 1-9, as discussed and have started testing. I will let you know how it goes. Thanx, Paul > Cc: "Paul E. McKenney" > > > Alexander Gordeev (10): > rcu: Panic if RCU tree can not accommodate all CPUs > rcu: Remove superfluous local variable in rcu_init_geometry() > rcu: Cleanup rcu_init_geometry() code and arithmetics > rcu: Simplify rcu_init_geometry() capacity arithmetics > rcu: Limit rcu_state::levelcnt[] to RCU_NUM_LVLS items > rcu: Limit rcu_capacity[] size to RCU_NUM_LVLS items > rcu: Remove unnecessary fields from rcu_state structure > rcu: Limit count of static data to the number of RCU levels > rcu: Simplify arithmetic to calculate number of RCU nodes > rcu: Remove unnecessary grpnum field from rcu_node structure > > kernel/rcu/tree.c | 102 ++++++++++++++++++++--------------------------- > kernel/rcu/tree.h | 35 ++++++++-------- > kernel/rcu/tree_plugin.h | 4 +- > 3 files changed, 63 insertions(+), 78 deletions(-) > > -- > 1.8.3.1 >