[PATCH v6 tip/core/rcu 05/17] rcu: Export RCU-tasks APIs to GPL modules

[Paul E. McKenney]

From: Steven Rostedt <rostedt@xxxxxxxxxxx>

This commit exports the RCU-tasks synchronous APIs,
synchronize_rcu_tasks() and rcu_barrier_tasks(), to
GPL-licensed kernel modules.

Signed-off-by: Steven Rostedt <rostedt@xxxxxxxxxxx>
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Josh Triplett <josh@xxxxxxxxxxxxxxxx>
---
 kernel/rcu/update.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/kernel/rcu/update.c b/kernel/rcu/update.c
index 9eb6bdd46988..33084d5749d0 100644
--- a/kernel/rcu/update.c
+++ b/kernel/rcu/update.c
@@ -433,6 +433,7 @@ 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.
@@ -445,6 +446,7 @@ void rcu_barrier_tasks(void)
 	/* There is only one callback queue, so this is easy.  ;-) */
 	synchronize_rcu_tasks();
 }
+EXPORT_SYMBOL_GPL(rcu_barrier_tasks);
 
 /* See if the current task has stopped holding out, remove from list if so. */
 static void check_holdout_task(struct task_struct *t)
-- 
1.8.1.5

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