From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932141AbWFHKvA (ORCPT ); Thu, 8 Jun 2006 06:51:00 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932164AbWFHKvA (ORCPT ); Thu, 8 Jun 2006 06:51:00 -0400 Received: from gw.openss7.com ([142.179.199.224]:62400 "EHLO gw.openss7.com") by vger.kernel.org with ESMTP id S932141AbWFHKvA (ORCPT ); Thu, 8 Jun 2006 06:51:00 -0400 Date: Thu, 8 Jun 2006 04:50:58 -0600 From: "Brian F. G. Bidulock" To: Andi Kleen Cc: Andrew Morton , adilger@clusterfs.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH] use unlikely() for current_kernel_time() loop Message-ID: <20060608045058.A18044@openss7.org> Reply-To: bidulock@openss7.org Mail-Followup-To: Andi Kleen , Andrew Morton , adilger@clusterfs.com, linux-kernel@vger.kernel.org References: <20060607173642.GA6378@schatzie.adilger.int> <200606081114.09390.ak@suse.de> <20060608033633.A16099@openss7.org> <200606081220.04060.ak@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: <200606081220.04060.ak@suse.de>; from ak@suse.de on Thu, Jun 08, 2006 at 12:20:04PM +0200 Organization: http://www.openss7.org/ Dsn-Notification-To: Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Andi, On Thu, 08 Jun 2006, Andi Kleen wrote: > > > > Don't think there was an error. Tests performed on STREAMS external > > modules optimized with profiling data. > > You mean with compiler profile feedback? No, hand optimized from oprofile runs. > If that is slower then it would sound like a compiler bug. What slower? It was 2% faster. And that was only the external kernel modules compiled without the -fno-redorder-blocks flag. --brian