From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262453AbUDHUD4 (ORCPT ); Thu, 8 Apr 2004 16:03:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262454AbUDHUBI (ORCPT ); Thu, 8 Apr 2004 16:01:08 -0400 Received: from mtvcafw.sgi.com ([192.48.171.6]:59622 "EHLO omx2.sgi.com") by vger.kernel.org with ESMTP id S262453AbUDHTvC (ORCPT ); Thu, 8 Apr 2004 15:51:02 -0400 Date: Thu, 8 Apr 2004 12:49:51 -0700 From: Paul Jackson To: Paul Jackson Cc: colpatch@us.ibm.com, wli@holomorphy.com, rusty@rustcorp.com.au, linux-kernel@vger.kernel.org Subject: Patch 12/23 - Bitmaps, Cpumasks and Nodemasks Message-Id: <20040408124951.44a1cc28.pj@sgi.com> In-Reply-To: <20040408115050.2c67311a.pj@sgi.com> References: <20040408115050.2c67311a.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 P12.cpumask_i386_simplify - Optimize i386 cpumask macro usage. Optimize a bit of cpumask code for asm-i386/mach-es7000 Code untested, unreviewed. Feedback welcome. Index: 2.6.5.bitmap/include/asm-i386/mach-es7000/mach_ipi.h =================================================================== --- 2.6.5.bitmap.orig/include/asm-i386/mach-es7000/mach_ipi.h 2004-04-08 04:19:28.000000000 -0700 +++ 2.6.5.bitmap/include/asm-i386/mach-es7000/mach_ipi.h 2004-04-08 04:19:34.000000000 -0700 @@ -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