Commit-ID: b41d1b924d0bd41a225a17f39297b9de0dca93d9
Gitweb: http://git.kernel.org/tip/b41d1b924d0bd41a225a17f39297b9de0dca93d9
Author: Pranith Kumar <bobby.prani@xxxxxxxxx>
AuthorDate: Wed, 11 Jun 2014 16:39:41 -0400
Committer: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
CommitDate: Wed, 9 Jul 2014 09:15:51 -0700
rcu: Fix a sparse warning in rcu_report_unblock_qs_rnp()
This commit annotates rcu_report_unblock_qs_rnp() in order to fix the
following sparse warning:
kernel/rcu/tree_plugin.h:990:13: warning: context imbalance in 'rcu_report_unblock_qs_rnp' - unexpected unlock
Signed-off-by: Pranith Kumar <bobby.prani@xxxxxxxxx>
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Lai Jiangshan <laijs@xxxxxxxxxxxxxx>
---
kernel/rcu/tree_plugin.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h
index 0409ba3..c66bdcb 100644
--- a/kernel/rcu/tree_plugin.h
+++ b/kernel/rcu/tree_plugin.h
@@ -988,6 +988,7 @@ static int rcu_preempt_blocked_readers_cgp(struct rcu_node *rnp)
/* Because preemptible RCU does not exist, no quieting of tasks. */
static void rcu_report_unblock_qs_rnp(struct rcu_node *rnp, unsigned long flags)
+ __releases(rnp->lock)
{
raw_spin_unlock_irqrestore(&rnp->lock, flags);
}
--
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