Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760517AbZLOPDe (ORCPT ); Tue, 15 Dec 2009 10:03:34 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1760470AbZLOPDd (ORCPT ); Tue, 15 Dec 2009 10:03:33 -0500 Received: from casper.infradead.org ([85.118.1.10]:34268 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752812AbZLOPDc convert rfc822-to-8bit (ORCPT ); Tue, 15 Dec 2009 10:03:32 -0500 Subject: Re: [Next] CPU Hotplug test failures on powerpc From: Peter Zijlstra To: Sachin Sant Cc: Benjamin Herrenschmidt , Linux/PPC Development , linux-kernel , Ingo Molnar , linux-next@vger.kernel.org In-Reply-To: <4B279370.5050800@in.ibm.com> References: <4B2224C7.1020908@in.ibm.com> <1260786122.4165.142.camel@twins> <4B261D7A.9040802@in.ibm.com> <1260793182.4165.223.camel@twins> <1260825420.2217.40.camel@pasglop> <4B275A6B.9030200@in.ibm.com> <1260873827.4165.362.camel@twins> <4B279370.5050800@in.ibm.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT Date: Tue, 15 Dec 2009 16:03:22 +0100 Message-ID: <1260889402.4165.434.camel@twins> Mime-Version: 1.0 X-Mailer: Evolution 2.28.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1117 Lines: 38 Could you try the below? --- init/main.c | 7 +------ 1 files changed, 1 insertions(+), 6 deletions(-) diff --git a/init/main.c b/init/main.c index 4051d75..4be7de2 100644 --- a/init/main.c +++ b/init/main.c @@ -369,12 +369,6 @@ static void __init smp_init(void) { unsigned int cpu; - /* - * Set up the current CPU as possible to migrate to. - * The other ones will be done by cpu_up/cpu_down() - */ - set_cpu_active(smp_processor_id(), true); - /* FIXME: This should be done in userspace --RR */ for_each_present_cpu(cpu) { if (num_online_cpus() >= setup_max_cpus) @@ -486,6 +480,7 @@ static void __init boot_cpu_init(void) int cpu = smp_processor_id(); /* Mark the boot cpu "present", "online" etc for SMP and UP case */ set_cpu_online(cpu, true); + set_cpu_active(cpu, true); set_cpu_present(cpu, true); set_cpu_possible(cpu, true); } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/