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rcu: call __rcu_read_unlock() in exit_rcu for tree RCU 

Using __rcu_read_lock() in place of rcu_read_lock() leaves any debug
state as it really should be, namely with the lock still held.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
This commit is contained in:
Lai Jiangshan 2011-02-25 11:37:59 -08:00 committed by Paul E. McKenney
parent 7e8b4c7234
commit 13491a0ee1
1 changed files with 1 additions and 1 deletions
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2
kernel/rcutree_plugin.h
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@ -858,7 +858,7 @@ void exit_rcu(void)
if (t->rcu_read_lock_nesting == 0)
return;
t->rcu_read_lock_nesting = 1;
rcu_read_unlock();
__rcu_read_unlock();
}
#else /* #ifdef CONFIG_TREE_PREEMPT_RCU */