From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934260Ab0EUQyc (ORCPT ); Fri, 21 May 2010 12:54:32 -0400 Received: from kroah.org ([198.145.64.141]:39065 "EHLO coco.kroah.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934117Ab0EUQyK (ORCPT ); Fri, 21 May 2010 12:54:10 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Jan Beulich , Jan Beulich , Andi Kleen , Stephen Rothwell , Andrew Morton , stable , Greg Kroah-Hartman Subject: [PATCH 01/38] drivers/base/cpu.c: fix the output from /sys/devices/system/cpu/offline Date: Fri, 21 May 2010 09:53:31 -0700 Message-Id: <1274460848-11377-1-git-send-email-gregkh@suse.de> X-Mailer: git-send-email 1.7.0.3 In-Reply-To: <20100521165106.GA11216@kroah.com> References: <20100521165106.GA11216@kroah.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jan Beulich Without CONFIG_CPUMASK_OFFSTACK, simply inverting cpu_online_mask leads to CPUs beyond nr_cpu_ids to be displayed twice and CPUs not even possible to be displayed as offline. Signed-off-by: Jan Beulich Cc: Andi Kleen Cc: Stephen Rothwell Signed-off-by: Andrew Morton Cc: stable Signed-off-by: Greg Kroah-Hartman --- drivers/base/cpu.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c index f35719a..251acea 100644 --- a/drivers/base/cpu.c +++ b/drivers/base/cpu.c @@ -186,7 +186,7 @@ static ssize_t print_cpus_offline(struct sysdev_class *class, /* display offline cpus < nr_cpu_ids */ if (!alloc_cpumask_var(&offline, GFP_KERNEL)) return -ENOMEM; - cpumask_complement(offline, cpu_online_mask); + cpumask_andnot(offline, cpu_possible_mask, cpu_online_mask); n = cpulist_scnprintf(buf, len, offline); free_cpumask_var(offline); -- 1.7.0.3