From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752763Ab3LMOS6 (ORCPT ); Fri, 13 Dec 2013 09:18:58 -0500 Received: from merlin.infradead.org ([205.233.59.134]:43815 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752567Ab3LMOS4 (ORCPT ); Fri, 13 Dec 2013 09:18:56 -0500 Date: Fri, 13 Dec 2013 15:18:19 +0100 From: Peter Zijlstra To: "Paul E. McKenney" Cc: Ingo Molnar , linux-kernel@vger.kernel.org, laijs@cn.fujitsu.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@efficios.com, josh@joshtriplett.org, niv@us.ibm.com, tglx@linutronix.de, rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com, darren@dvhart.com, fweisbec@gmail.com, oleg@redhat.com, sbw@mit.edu, Linux-Arch Subject: Re: [PATCH v6 tip/core/locking 3/8] Documentation/memory-barriers.txt: Prohibit speculative writes Message-ID: <20131213141819.GN21999@twins.programming.kicks-ass.net> References: <20131211215850.GA810@linux.vnet.ibm.com> <1386799151-2219-1-git-send-email-paulmck@linux.vnet.ibm.com> <1386799151-2219-3-git-send-email-paulmck@linux.vnet.ibm.com> <20131212131710.GE5806@gmail.com> <20131212150844.GZ4208@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20131212150844.GZ4208@linux.vnet.ibm.com> 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 Thu, Dec 12, 2013 at 07:08:44AM -0800, Paul E. McKenney wrote: > On Thu, Dec 12, 2013 at 02:17:10PM +0100, Ingo Molnar wrote: > > > > * Paul E. McKenney wrote: > > > > > From: "Paul E. McKenney" > > > > > > No SMP architecture currently supporting Linux allows speculative writes, > > > so this commit updates Documentation/memory-barriers.txt to prohibit > > > them in Linux core code. It also records restrictions on their use. > > > > > > Signed-off-by: Peter Zijlstra > > > Signed-off-by: Paul E. McKenney > > > > The signoff sequence looks weird here. If this came from Peter > > originally, did you mean: > > > > From: Peter Zijlstra > > > > instead of "From: Paul ..." ? > > Indeed I did! I will fix. Well Paul did rewrite the entire thing into something far better than what I started out with. I don't mind him dropping my SOB over his own. I'll settle for an reviewed-by on this ;-)