From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262879AbUC2M7W (ORCPT ); Mon, 29 Mar 2004 07:59:22 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262874AbUC2M3p (ORCPT ); Mon, 29 Mar 2004 07:29:45 -0500 Received: from mtvcafw.SGI.COM ([192.48.171.6]:23482 "EHLO omx3.sgi.com") by vger.kernel.org with ESMTP id S262879AbUC2MQv (ORCPT ); Mon, 29 Mar 2004 07:16:51 -0500 Date: Mon, 29 Mar 2004 04:16:10 -0800 From: Paul Jackson To: linux-kernel@vger.kernel.org Cc: mbligh@aracnet.com, akpm@osdl.org, wli@holomorphy.com, haveblue@us.ibm.com, colpatch@us.ibm.com Subject: [PATCH] mask ADT: simplify i386/mach-es7000 cpumask use [18/22] Message-Id: <20040329041610.45510cf5.pj@sgi.com> Organization: SGI X-Mailer: Sylpheed version 0.9.8 (GTK+ 1.2.10; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Patch_18_of_22 - Optimize i386 cpumask macro usage. Optimize a bit of cpumask code for asm-i386/mach-es7000 Code untested, unreviewed. Feedback welcome. diffstat Patch_18_of_22: mach_ipi.h | 5 ++--- 1 files changed, 2 insertions(+), 3 deletions(-) # This is a BitKeeper generated patch for the following project: # Project Name: Linux kernel tree # This patch format is intended for GNU patch command version 2.5 or higher. # This patch includes the following deltas: # ChangeSet 1.1724 -> 1.1725 # include/asm-i386/mach-es7000/mach_ipi.h 1.2 -> 1.3 # # The following is the BitKeeper ChangeSet Log # -------------------------------------------- # 04/03/29 pj@sgi.com 1.1725 # Optimize i386 cpumask macro usage. Code untested and unreviewed. # Feedback welcome. # -------------------------------------------- # diff -Nru a/include/asm-i386/mach-es7000/mach_ipi.h b/include/asm-i386/mach-es7000/mach_ipi.h --- a/include/asm-i386/mach-es7000/mach_ipi.h Mon Mar 29 01:04:03 2004 +++ b/include/asm-i386/mach-es7000/mach_ipi.h Mon Mar 29 01:04:03 2004 @@ -10,9 +10,8 @@ static inline void send_IPI_allbutself(int vector) { - cpumask_t mask = cpumask_of_cpu(smp_processor_id()); - cpus_complement(mask); - cpus_and(mask, mask, cpu_online_map); + cpumask_t mask = cpu_online_map; + cpu_clear(smp_processor_id(), mask); if (!cpus_empty(mask)) send_IPI_mask(mask, vector); } -- I won't rest till it's the best ... Programmer, Linux Scalability Paul Jackson 1.650.933.1373