From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758018AbcKCOuz (ORCPT ); Thu, 3 Nov 2016 10:50:55 -0400 Received: from Galois.linutronix.de ([146.0.238.70]:35426 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757921AbcKCOuv (ORCPT ); Thu, 3 Nov 2016 10:50:51 -0400 From: Sebastian Andrzej Siewior To: linux-kernel@vger.kernel.org Cc: rt@linutronix.de, Thomas Gleixner , Martin Schwidefsky , Heiko Carstens , linux-s390@vger.kernel.org, Sebastian Andrzej Siewior Subject: [PATCH 10/25] s390/smp: Make cpu notifier symetric Date: Thu, 3 Nov 2016 15:50:06 +0100 Message-Id: <20161103145021.28528-11-bigeasy@linutronix.de> X-Mailer: git-send-email 2.10.2 In-Reply-To: <20161103145021.28528-1-bigeasy@linutronix.de> References: <20161103145021.28528-1-bigeasy@linutronix.de> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Thomas Gleixner There is no reason to remove the sysfs cpu files when the CPU is dead, they can be removed when the cpu is prepared to go down. Doing it at DOWN_PREPARE allows us to convert it to a symetric hotplug state in the next step. Cc: Martin Schwidefsky Cc: Heiko Carstens Cc: linux-s390@vger.kernel.org Signed-off-by: Thomas Gleixner Signed-off-by: Sebastian Andrzej Siewior --- arch/s390/kernel/smp.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index 35531fe1c5ea..1a21e66c484a 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -1056,9 +1056,10 @@ static int smp_cpu_notify(struct notifier_block *sel= f, unsigned long action, =20 switch (action & ~CPU_TASKS_FROZEN) { case CPU_ONLINE: + case CPU_DOWN_FAILED: err =3D sysfs_create_group(&s->kobj, &cpu_online_attr_group); break; - case CPU_DEAD: + case CPU_DOWN_PREPARE:: sysfs_remove_group(&s->kobj, &cpu_online_attr_group); break; } --=20 2.10.2