From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763090AbXGEXXY (ORCPT ); Thu, 5 Jul 2007 19:23:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1762663AbXGEXWW (ORCPT ); Thu, 5 Jul 2007 19:22:22 -0400 Received: from emailhub.stusta.mhn.de ([141.84.69.5]:52129 "EHLO mailhub.stusta.mhn.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1762641AbXGEXWU (ORCPT ); Thu, 5 Jul 2007 19:22:20 -0400 Date: Fri, 6 Jul 2007 01:22:50 +0200 From: Adrian Bunk To: linux-kernel@vger.kernel.org Subject: [2.6 patch] i386: no need to make enable_cpu_hotplug a variable Message-ID: <20070705232249.GW3492@stusta.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline User-Agent: Mutt/1.5.16 (2007-06-11) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org As long as there's no write access to this variable there's no reason to let gcc check it at runtime. Signed-off-by: Adrian Bunk --- arch/i386/kernel/topology.c | 2 -- include/asm-i386/cpu.h | 2 +- 2 files changed, 1 insertion(+), 3 deletions(-) --- linux-2.6.22-rc6-mm1/include/asm-i386/cpu.h.old 2007-07-04 20:29:25.000000000 +0200 +++ linux-2.6.22-rc6-mm1/include/asm-i386/cpu.h 2007-07-04 20:36:33.000000000 +0200 @@ -13,7 +13,7 @@ extern int arch_register_cpu(int num); #ifdef CONFIG_HOTPLUG_CPU extern void arch_unregister_cpu(int); -extern int enable_cpu_hotplug; +#define enable_cpu_hotplug 1 #else #define enable_cpu_hotplug 0 #endif --- linux-2.6.22-rc6-mm1/arch/i386/kernel/topology.c.old 2007-07-04 20:30:12.000000000 +0200 +++ linux-2.6.22-rc6-mm1/arch/i386/kernel/topology.c 2007-07-04 20:35:56.000000000 +0200 @@ -51,8 +51,6 @@ } #ifdef CONFIG_HOTPLUG_CPU -int enable_cpu_hotplug = 1; - void arch_unregister_cpu(int num) { return unregister_cpu(&cpu_devices[num].cpu); }