Commit-ID: 914955e18ca09fc404d7fc3614bb04c96a03692c Gitweb: https://git.kernel.org/tip/914955e18ca09fc404d7fc3614bb04c96a03692c Author: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx> AuthorDate: Thu, 5 Oct 2017 13:50:57 -0700 Committer: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx> CommitDate: Tue, 28 Nov 2017 15:51:19 -0800 rcu: Stop duplicating lockdep checks in RCU's idle-entry code 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 5febb76..80cada1 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."); } /* -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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