From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934229AbbCPSmF (ORCPT ); Mon, 16 Mar 2015 14:42:05 -0400 Received: from e34.co.us.ibm.com ([32.97.110.152]:50252 "EHLO e34.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934211AbbCPSmB (ORCPT ); Mon, 16 Mar 2015 14:42:01 -0400 Date: Mon, 16 Mar 2015 11:41:55 -0700 From: "Paul E. McKenney" To: linux-kernel@vger.kernel.org Cc: mingo@kernel.org, laijs@cn.fujitsu.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@efficios.com, josh@joshtriplett.org, 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, bobby.prani@gmail.com Subject: [PATCH tip/core/rcu 0/9] Stop using ACCESS_ONCE (for v4.2) Message-ID: <20150316184155.GA24290@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-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 15031618-0017-0000-0000-000009766C4C Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello! This patch series converts from ACCESS_ONCE() to either READ_ONCE() or WRITE_ONCE(), as appropriate. This permits better code generation and error checking, and is also more compatible with C11 directions. Each file is updated separately to simplify handling of git conflicts. Thanx, Paul ------------------------------------------------------------------------ include/linux/rculist.h | 6 - include/linux/rcupdate.h | 16 ++-- kernel/rcu/rcutorture.c | 2 kernel/rcu/srcu.c | 10 +- kernel/rcu/tiny_plugin.h | 12 +-- kernel/rcu/tree.c | 184 +++++++++++++++++++++++------------------------ kernel/rcu/tree_plugin.h | 93 +++++++++++------------ kernel/rcu/tree_trace.c | 6 - kernel/rcu/update.c | 30 +++---- 9 files changed, 180 insertions(+), 179 deletions(-)