[PATCH tip/core/rcu 11/17] rcu: Stop duplicating lockdep checks in RCU's idle-entry code

[Paul E. McKenney]

The three RCU_LOCKDEP_WARN() calls in rcu_eqs_enter_common() are
redundant with other lockdep checks, so this commit removes them.

Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
---
 kernel/rcu/tree.c | 11 -----------
 1 file changed, 11 deletions(-)

diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 5febb76809f6..80cada11f544 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -781,17 +781,6 @@ static void rcu_eqs_enter_common(bool user)
 	rdtp->dynticks_nesting = 0;
 	rcu_dynticks_eqs_enter();
 	rcu_dynticks_task_enter();
-
-	/*
-	 * It is illegal to enter an extended quiescent state while
-	 * in an RCU read-side critical section.
-	 */
-	RCU_LOCKDEP_WARN(lock_is_held(&rcu_lock_map),
-			 "Illegal idle entry in RCU read-side critical section.");
-	RCU_LOCKDEP_WARN(lock_is_held(&rcu_bh_lock_map),
-			 "Illegal idle entry in RCU-bh read-side critical section.");
-	RCU_LOCKDEP_WARN(lock_is_held(&rcu_sched_lock_map),
-			 "Illegal idle entry in RCU-sched read-side critical section.");
 }
 
 /*
-- 
2.5.2