From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755416AbbKDLhI (ORCPT ); Wed, 4 Nov 2015 06:37:08 -0500 Received: from casper.infradead.org ([85.118.1.10]:47281 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751470AbbKDLhG (ORCPT ); Wed, 4 Nov 2015 06:37:06 -0500 Date: Wed, 4 Nov 2015 12:37:01 +0100 From: Peter Zijlstra To: Linus Torvalds Cc: Ingo Molnar , Dmitry Vyukov , Linux Kernel Mailing List , Thomas Gleixner , "Paul E. McKenney" , Andrew Morton Subject: Re: [GIT PULL] locking changes for v4.4 Message-ID: <20151104113701.GH17308@twins.programming.kicks-ass.net> References: <20151103091636.GA23350@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2012-12-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Nov 03, 2015 at 05:30:29PM -0800, Linus Torvalds wrote: > From 105ff3cbf225036b75a6a46c96d1ddce8e7bdc66 Mon Sep 17 00:00:00 2001 > From: Linus Torvalds > Date: Tue, 3 Nov 2015 17:22:17 -0800 > Subject: [PATCH] atomic: remove all traces of READ_ONCE_CTRL() and atomic*_read_ctrl() > So I do not see how these "x_ctrl()" functions can currently be necessary. > Cc: Peter Zijlstra > Cc: Paul E McKenney > Cc: Dmitry Vyukov > Cc: Will Deacon > Cc: Ingo Molnar > Signed-off-by: Linus Torvalds Hooray! Now if only we could convince the C/C++ people that write speculation is a bad idea :-) Acked-by: Peter Zijlstra (Intel)