[PATCH RFC tip/core/rcu 4/9] rcu: Export RCU-tasks APIs to GPL modules

["Paul E. McKenney" <paulmck@linux.vnet.ibm.com>]

From: Steven Rostedt <rostedt@goodmis.org>

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 <rostedt@goodmis.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
---
 kernel/rcu/update.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/kernel/rcu/update.c b/kernel/rcu/update.c
index 310ecf4f8e74..583f6778f330 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