From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752237Ab3LTR7i (ORCPT ); Fri, 20 Dec 2013 12:59:38 -0500 Received: from qmta10.emeryville.ca.mail.comcast.net ([76.96.30.17]:38824 "EHLO qmta10.emeryville.ca.mail.comcast.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751882Ab3LTR7X (ORCPT ); Fri, 20 Dec 2013 12:59:23 -0500 Date: Fri, 20 Dec 2013 11:59:18 -0600 (CST) From: Christoph Lameter X-X-Sender: cl@nuc To: Max Filippov cc: Tejun Heo , akpm@linuxfoundation.org, Steven Rostedt , LKML , Ingo Molnar , Peter Zijlstra , Thomas Gleixner , Richard Henderson , Ivan Kokshaysky , Matt Turner Subject: Re: [PATCH 37/40] alpha: Replace __get_cpu_var In-Reply-To: Message-ID: References: <20131219155015.443763038@linux.com> <20131219155034.661090897@linux.com> Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 20 Dec 2013, Max Filippov wrote: > Doesn't it actually convert to __this_cpu_write(y, x); as there were > no atomicity in the original assignment? Correct that is what is done. Descriptions have been updated.