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authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2010-02-25 19:02:30 -0800
committerIngo Molnar <mingo@elte.hu>2010-02-26 08:20:46 +0100
commitf5f654096487c6d526c47bb66308f9de81f091cf (patch)
tree89d9abb7b783592cc5fee858116cf4f83f274cb8
parentd9f1bb6ad7fc53c406706f47858dd5ff030b14a3 (diff)
rcu: Export rcu_scheduler_active
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@linux.vnet.ibm.com> Cc: laijs@cn.fujitsu.com Cc: dipankar@in.ibm.com Cc: mathieu.desnoyers@polymtl.ca Cc: josh@joshtriplett.org Cc: dvhltc@us.ibm.com Cc: niv@us.ibm.com Cc: peterz@infradead.org Cc: rostedt@goodmis.org Cc: Valdis.Kletnieks@vt.edu Cc: dhowells@redhat.com LKML-Reference: <20100226030230.GA7743@linux.vnet.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
-rw-r--r--kernel/rcupdate.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/rcupdate.c b/kernel/rcupdate.c
index 7bfa004572b1..f1125c1a6321 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