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Subject[tip:core/rcu] rcu: Export rcu_scheduler_active
Commit-ID:  f5f654096487c6d526c47bb66308f9de81f091cf
Gitweb: http://git.kernel.org/tip/f5f654096487c6d526c47bb66308f9de81f091cf
Author: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
AuthorDate: Thu, 25 Feb 2010 19:02:30 -0800
Committer: Ingo Molnar <mingo@elte.hu>
CommitDate: Fri, 26 Feb 2010 08:20:46 +0100

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>
---
kernel/rcupdate.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
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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