Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752709AbZJKIZ3 (ORCPT ); Sun, 11 Oct 2009 04:25:29 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751900AbZJKIZ1 (ORCPT ); Sun, 11 Oct 2009 04:25:27 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:42999 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751795AbZJKIZ1 (ORCPT ); Sun, 11 Oct 2009 04:25:27 -0400 Date: Sun, 11 Oct 2009 10:24:27 +0200 From: Ingo Molnar To: Christoph Lameter Cc: Tejun Heo , linux-kernel@vger.kernel.org, Steven Rostedt Subject: Re: [Patch vs. percpu next] Use this_cpu_xx for ftrace Message-ID: <20091011082427.GB14995@elte.hu> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.18 (2008-05-17) X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.5 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0001] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 620 Lines: 21 * Christoph Lameter wrote: > From: Christoph Lameter > Subject: tracing: Use this_cpu_xx for ftrace > > this_cpu_xx can reduce the instruction count here and also > avoid address arithmetic. > > Signed-off-by: Christoph Lameter Acked-by: Ingo Molnar Thanks Christoph, Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/