From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759596AbZA2WTx (ORCPT ); Thu, 29 Jan 2009 17:19:53 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758068AbZA2WTh (ORCPT ); Thu, 29 Jan 2009 17:19:37 -0500 Received: from hera.kernel.org ([140.211.167.34]:50924 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757709AbZA2WTg (ORCPT ); Thu, 29 Jan 2009 17:19:36 -0500 Message-ID: <49822B1D.9070708@kernel.org> Date: Thu, 29 Jan 2009 14:18:05 -0800 From: Yinghai Lu User-Agent: Thunderbird 2.0.0.19 (X11/20081227) MIME-Version: 1.0 To: Ingo Molnar , Thomas Gleixner , "H. Peter Anvin" , Andrew Morton CC: "linux-kernel@vger.kernel.org" Subject: [PATCH] x86: allow 8 more cpus could be used Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Impact: fix left out MARCO X86_PC will be always enabled. so need to check if we have bigsmp support built in before cut off more than 8 cpus. otherwise only get 8 cpus. Signed-off-by: Yinghai Lu --- arch/x86/kernel/smpboot.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Index: linux-2.6/arch/x86/kernel/smpboot.c =================================================================== --- linux-2.6.orig/arch/x86/kernel/smpboot.c +++ linux-2.6/arch/x86/kernel/smpboot.c @@ -1000,7 +1000,7 @@ static int __init smp_sanity_check(unsig { preempt_disable(); -#if defined(CONFIG_X86_PC) && defined(CONFIG_X86_32) +#if defined(CONFIG_X86_PC) && !defined(CONFIG_X86_BIGSMP) if (def_to_bigsmp && nr_cpu_ids > 8) { unsigned int cpu; unsigned nr;