[PATCH v2 tip/core/rcu 04/10] rcu: Export RCU-tasks APIs to GPL modules
From: Paul E. McKenney
Date: Wed Jul 30 2014 - 20:41:52 EST
From: Steven Rostedt <rostedt@xxxxxxxxxxx>
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@xxxxxxxxxxx>
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
---
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
--
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