[PATCH tip/core/rcu] rcu: export rcu_scheduler_active

From: Paul E. McKenney
Date: Thu Feb 25 2010 - 22:02:41 EST


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 <paulmck@xxxxxxxxxxxxxxxxxx>
---

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
--
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