From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754516Ab0LGPIR (ORCPT ); Tue, 7 Dec 2010 10:08:17 -0500 Received: from hera.kernel.org ([140.211.167.34]:33490 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753422Ab0LGPIP (ORCPT ); Tue, 7 Dec 2010 10:08:15 -0500 Message-ID: <4CFE4D94.2060100@kernel.org> Date: Tue, 07 Dec 2010 16:07:00 +0100 From: Tejun Heo User-Agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); en-US; rv:1.9.2.12) Gecko/20101027 Lightning/1.0b2 Thunderbird/3.1.6 MIME-Version: 1.0 To: Christoph Lameter CC: akpm@linux-foundation.org, William Hubbs , Pekka Enberg , linux-kernel@vger.kernel.org, Eric Dumazet , Mathieu Desnoyers Subject: Re: [Use cpuops V1 08/11] Fakekey: Simplify speakup_fake_key_pressed through this_cpu_ops References: <20101206171618.302060721@linux.com> <20101206171640.890602570@linux.com> In-Reply-To: <20101206171640.890602570@linux.com> X-Enigmail-Version: 1.1.1 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.3 (hera.kernel.org [127.0.0.1]); Tue, 07 Dec 2010 15:07:02 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12/06/2010 06:16 PM, Christoph Lameter wrote: > The whole function can be expressed as a simple this_cpu_read() operation. > The function overhead is now likely multiple times that of the single > instruction that is executed in it. > > Cc: William Hubbs > Signed-off-by: Christoph Lameter applied. -- tejun