From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753834AbdDOOYA (ORCPT ); Sat, 15 Apr 2017 10:24:00 -0400 Received: from terminus.zytor.com ([65.50.211.136]:43967 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751541AbdDOOX5 (ORCPT ); Sat, 15 Apr 2017 10:23:57 -0400 Date: Sat, 15 Apr 2017 07:15:54 -0700 From: tip-bot for Thomas Gleixner Message-ID: Cc: tglx@linutronix.de, viresh.kumar@linaro.org, bigeasy@linutronix.de, tj@kernel.org, jiangshanlai@gmail.com, fenghua.yu@intel.com, linux-kernel@vger.kernel.org, peterz@infradead.org, lenb@kernel.org, tony.luck@intel.com, davem@davemloft.net, rjw@rjwysocki.net, hpa@zytor.com, mingo@kernel.org, mpe@ellerman.id.au, herbert@gondor.apana.org.au, benh@kernel.crashing.org Reply-To: tglx@linutronix.de, viresh.kumar@linaro.org, tj@kernel.org, bigeasy@linutronix.de, linux-kernel@vger.kernel.org, peterz@infradead.org, jiangshanlai@gmail.com, fenghua.yu@intel.com, tony.luck@intel.com, davem@davemloft.net, lenb@kernel.org, mingo@kernel.org, hpa@zytor.com, rjw@rjwysocki.net, mpe@ellerman.id.au, benh@kernel.crashing.org, herbert@gondor.apana.org.au In-Reply-To: <20170412201042.174518069@linutronix.de> References: <20170412201042.174518069@linutronix.de> To: linux-tip-commits@vger.kernel.org Subject: [tip:sched/core] ia64/topology: Remove cpus_allowed manipulation Git-Commit-ID: 048c9b954e20396e0c45ee778466994d1be2e612 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 048c9b954e20396e0c45ee778466994d1be2e612 Gitweb: http://git.kernel.org/tip/048c9b954e20396e0c45ee778466994d1be2e612 Author: Thomas Gleixner AuthorDate: Wed, 12 Apr 2017 22:07:27 +0200 Committer: Thomas Gleixner CommitDate: Sat, 15 Apr 2017 12:20:52 +0200 ia64/topology: Remove cpus_allowed manipulation The CPU hotplug callback fiddles with the cpus_allowed pointer to pin the calling thread on the plugged CPU. That's already guaranteed by the hotplug core code. Remove it. Signed-off-by: Thomas Gleixner Cc: Fenghua Yu Cc: Tony Luck Cc: linux-ia64@vger.kernel.org Cc: Herbert Xu Cc: "Rafael J. Wysocki" Cc: Peter Zijlstra Cc: Benjamin Herrenschmidt Cc: Sebastian Siewior Cc: Lai Jiangshan Cc: Viresh Kumar Cc: Michael Ellerman Cc: Tejun Heo Cc: "David S. Miller" Cc: Len Brown Link: http://lkml.kernel.org/r/20170412201042.174518069@linutronix.de Signed-off-by: Thomas Gleixner --- arch/ia64/kernel/topology.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/arch/ia64/kernel/topology.c b/arch/ia64/kernel/topology.c index 1a68f01..d76529c 100644 --- a/arch/ia64/kernel/topology.c +++ b/arch/ia64/kernel/topology.c @@ -355,18 +355,12 @@ static int cache_add_dev(unsigned int cpu) unsigned long i, j; struct cache_info *this_object; int retval = 0; - cpumask_t oldmask; if (all_cpu_cache_info[cpu].kobj.parent) return 0; - oldmask = current->cpus_allowed; - retval = set_cpus_allowed_ptr(current, cpumask_of(cpu)); - if (unlikely(retval)) - return retval; retval = cpu_cache_sysfs_init(cpu); - set_cpus_allowed_ptr(current, &oldmask); if (unlikely(retval < 0)) return retval;