From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030294AbbENU1n (ORCPT ); Thu, 14 May 2015 16:27:43 -0400 Received: from e38.co.us.ibm.com ([32.97.110.159]:44213 "EHLO e38.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030248AbbENU1k (ORCPT ); Thu, 14 May 2015 16:27:40 -0400 Date: Thu, 14 May 2015 13:27:33 -0700 From: "Paul E. McKenney" To: Borislav Petkov 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, 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, linux-edac@vger.kernel.org, Tony Luck Subject: Re: [PATCH tip/core/rcu 2/4] rcu: Eliminate array-index-based RCU primitives Message-ID: <20150514202733.GG6776@linux.vnet.ibm.com> Reply-To: paulmck@linux.vnet.ibm.com References: <20150512211814.GA31939@linux.vnet.ibm.com> <1431465524-32246-1-git-send-email-paulmck@linux.vnet.ibm.com> <1431465524-32246-2-git-send-email-paulmck@linux.vnet.ibm.com> <20150513130845.GI1517@pd.tnic> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150513130845.GI1517@pd.tnic> User-Agent: Mutt/1.5.21 (2010-09-15) X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 15051420-0029-0000-0000-000009C980EC Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, May 13, 2015 at 03:08:45PM +0200, Borislav Petkov wrote: > On Tue, May 12, 2015 at 02:18:42PM -0700, Paul E. McKenney wrote: > > From: "Paul E. McKenney" > > > > Now that rcu_access_index() and rcu_dereference_index_check() are no > > longer used, the commit removes them from the RCU API. This means that > > RCU's data dependencies now involve only pointers, give or take the > > occasional cast to and then back from an integer type to do pointer > > arithmetic. This in turn eliminates the need for a number of operations > > on values carrying RCU data dependencies. > > > > Signed-off-by: Paul E. McKenney > > Cc: linux-edac@vger.kernel.org > > Cc: Tony Luck > > Cc: Borislav Petkov > > --- > > include/linux/rcupdate.h | 50 ------------------------------------------------ > > 1 file changed, 50 deletions(-) > > Diffstats like this one are my favourite ones! Me too! > Acked-by: Borislav Petkov Applied, thank you! Thanx, Paul