From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759531AbdENSla (ORCPT ); Sun, 14 May 2017 14:41:30 -0400 Received: from Galois.linutronix.de ([146.0.238.70]:58189 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759194AbdENShT (ORCPT ); Sun, 14 May 2017 14:37:19 -0400 Message-Id: <20170514183612.595794864@linutronix.de> User-Agent: quilt/0.63-1 Date: Sun, 14 May 2017 20:27:18 +0200 From: Thomas Gleixner To: LKML Cc: Peter Zijlstra , Ingo Molnar , Steven Rostedt , Mark Rutland , Russell King , linux-arm-kernel@lists.infradead.org Subject: [patch 02/18] arm: Adjust system_state check References: <20170514182716.347236777@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Disposition: inline; filename=arm--Adjust-system_state-check.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org To enable smp_processor_id() and might_sleep() debug checks earlier, it's required to add system states between SYSTEM_BOOTING and SYSTEM_RUNNING. Adjust the system_state check in ipi_cpu_stop() to handle the extra states. Signed-off-by: Thomas Gleixner Cc: Russell King Cc: linux-arm-kernel@lists.infradead.org --- arch/arm/kernel/smp.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -555,8 +555,7 @@ static DEFINE_RAW_SPINLOCK(stop_lock); */ static void ipi_cpu_stop(unsigned int cpu) { - if (system_state == SYSTEM_BOOTING || - system_state == SYSTEM_RUNNING) { + if (system_state <= SYSTEM_RUNNING) { raw_spin_lock(&stop_lock); pr_crit("CPU%u: stopping\n", cpu); dump_stack();