From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753633AbaGaUzK (ORCPT ); Thu, 31 Jul 2014 16:55:10 -0400 Received: from e39.co.us.ibm.com ([32.97.110.160]:47226 "EHLO e39.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751268AbaGaUzI (ORCPT ); Thu, 31 Jul 2014 16:55:08 -0400 Date: Thu, 31 Jul 2014 13:55:02 -0700 From: "Paul E. McKenney" To: josh@joshtriplett.org Cc: linux-kernel@vger.kernel.org, mingo@kernel.org, laijs@cn.fujitsu.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@efficios.com, 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 Subject: Re: [PATCH v2 tip/core/rcu 04/10] rcu: Export RCU-tasks APIs to GPL modules Message-ID: <20140731205502.GB11241@linux.vnet.ibm.com> Reply-To: paulmck@linux.vnet.ibm.com References: <20140731003914.GA3872@linux.vnet.ibm.com> <1406767182-4356-1-git-send-email-paulmck@linux.vnet.ibm.com> <1406767182-4356-4-git-send-email-paulmck@linux.vnet.ibm.com> <20140731165620.GC12697@cloud> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140731165620.GC12697@cloud> User-Agent: Mutt/1.5.21 (2010-09-15) X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 14073120-9332-0000-0000-0000018F680E Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jul 31, 2014 at 09:56:20AM -0700, josh@joshtriplett.org wrote: > On Wed, Jul 30, 2014 at 05:39:36PM -0700, Paul E. McKenney wrote: > > From: Steven Rostedt > > > > This commit exports the RCU-tasks APIs, call_rcu_tasks(), > > synchronize_rcu_tasks(), and rcu_barrier_tasks(), to GPL-licensed > > kernel modules. > > > > Signed-off-by: Steven Rostedt > > Signed-off-by: Paul E. McKenney > > Reviewed-by: Josh Triplett > > Should this remain a separate patch, or go into the patch that creates > these APIs? Excellent question. Keeping them separate for now, but... Thanx, Paul > > kernel/rcu/update.c | 2 ++ > > 1 file changed, 2 insertions(+) > > > > diff --git a/kernel/rcu/update.c b/kernel/rcu/update.c > > index c8d304dc6d8a..1bfc07ed854e 100644 > > --- a/kernel/rcu/update.c > > +++ b/kernel/rcu/update.c > > @@ -429,6 +429,7 @@ void synchronize_rcu_tasks(void) > > /* Wait for the grace period. */ > > wait_rcu_gp(call_rcu_tasks); > > } > > +EXPORT_SYMBOL_GPL(synchronize_rcu_tasks); > > > > /** > > * rcu_barrier_tasks - Wait for in-flight call_rcu_tasks() callbacks. > > @@ -441,6 +442,7 @@ void rcu_barrier_tasks(void) > > /* There is only one callback queue, so this is easy. ;-) */ > > synchronize_rcu_tasks(); > > } > > +EXPORT_SYMBOL_GPL(rcu_barrier_tasks); > > > > /* RCU-tasks kthread that detects grace periods and invokes callbacks. */ > > static int __noreturn rcu_tasks_kthread(void *arg) > > -- > > 1.8.1.5 > > >