From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935071Ab0BZDCh (ORCPT ); Thu, 25 Feb 2010 22:02:37 -0500 Received: from e9.ny.us.ibm.com ([32.97.182.139]:39492 "EHLO e9.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935031Ab0BZDCf (ORCPT ); Thu, 25 Feb 2010 22:02:35 -0500 Date: Thu, 25 Feb 2010 19:02:30 -0800 From: "Paul E. McKenney" To: linux-kernel@vger.kernel.org Cc: mingo@elte.hu, laijs@cn.fujitsu.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@polymtl.ca, josh@joshtriplett.org, dvhltc@us.ibm.com, niv@us.ibm.com, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, Valdis.Kletnieks@vt.edu, dhowells@redhat.com Subject: [PATCH tip/core/rcu] rcu: export rcu_scheduler_active Message-ID: <20100226030230.GA7743@linux.vnet.ibm.com> Reply-To: paulmck@linux.vnet.ibm.com References: <20100225220624.GA7013@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20100225220624.GA7013@linux.vnet.ibm.com> User-Agent: Mutt/1.5.15+20070412 (2007-04-11) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Kernel modules using rcu_read_lock_sched_held() must now have access to rcu_scheduler_active, so it must be exported. This should fix the fix for the boot-time RCU-lockdep splat. Signed-off-by: Paul E. McKenney --- rcupdate.c | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/rcupdate.c b/kernel/rcupdate.c index 7bfa004..f1125c1 100644 --- a/kernel/rcupdate.c +++ b/kernel/rcupdate.c @@ -64,6 +64,7 @@ EXPORT_SYMBOL_GPL(rcu_sched_lock_map); #endif int rcu_scheduler_active __read_mostly; +EXPORT_SYMBOL_GPL(rcu_scheduler_active); /* * This function is invoked towards the end of the scheduler's initialization