From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752953AbbJFQOw (ORCPT ); Tue, 6 Oct 2015 12:14:52 -0400 Received: from e36.co.us.ibm.com ([32.97.110.154]:58716 "EHLO e36.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752746AbbJFQOB (ORCPT ); Tue, 6 Oct 2015 12:14:01 -0400 X-IBM-Helo: d03dlp02.boulder.ibm.com X-IBM-MailFrom: paulmck@linux.vnet.ibm.com X-IBM-RcptTo: linux-kernel@vger.kernel.org From: "Paul E. McKenney" To: linux-kernel@vger.kernel.org Cc: mingo@kernel.org, jiangshanlai@gmail.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@efficios.com, josh@joshtriplett.org, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com, dvhart@linux.intel.com, fweisbec@gmail.com, oleg@redhat.com, bobby.prani@gmail.com, Davidlohr Bueso , "Paul E. McKenney" Subject: [PATCH tip/core/rcu 01/13] sched: Export sched_setscheduler_nocheck Date: Tue, 6 Oct 2015 09:13:36 -0700 Message-Id: <1444148028-11551-1-git-send-email-paulmck@linux.vnet.ibm.com> X-Mailer: git-send-email 2.5.2 In-Reply-To: <20151006161305.GA9799@linux.vnet.ibm.com> References: <20151006161305.GA9799@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 15100616-0021-0000-0000-0000136EACDE Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Davidlohr Bueso The new locktorture rtmutex_lock tests exercise priority boosting, which means that they need to set some tasks to real-time priority. To do this, they use sched_setscheduler_nocheck(). However, this is not exported to modules, which results in the following error when building locktorture as a module: ERROR: "sched_setscheduler_nocheck" [kernel/locking/locktorture.ko] undefined! This commit therefore adds an EXPORT_SYMBOL_GPL() to allow this function to be invoked from locktorture when built as a module. Reported-by: Stephen Rothwell Signed-off-by: Davidlohr Bueso Signed-off-by: Paul E. McKenney Acked-by: Ingo Molnar --- kernel/sched/core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 2f9c92884817..c4e607873d6f 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -4022,6 +4022,7 @@ int sched_setscheduler_nocheck(struct task_struct *p, int policy, { return _sched_setscheduler(p, policy, param, false); } +EXPORT_SYMBOL_GPL(sched_setscheduler_nocheck); static int do_sched_setscheduler(pid_t pid, int policy, struct sched_param __user *param) -- 2.5.2