Callers to rcu_exp_need_qs() are supposed to disable interrupts, so this
commit enlists lockdep's aid in checking this.
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxx>
Cc: Frederic Weisbecker <frederic@xxxxxxxxxx>
---
kernel/rcu/tree_exp.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/kernel/rcu/tree_exp.h b/kernel/rcu/tree_exp.h
index ce5b09921d04e..77efed89c79e3 100644
--- a/kernel/rcu/tree_exp.h
+++ b/kernel/rcu/tree_exp.h
@@ -722,6 +722,7 @@ static void rcu_exp_sel_wait_wake(unsigned long s)
/* Request an expedited quiescent state. */
static void rcu_exp_need_qs(void)
{
+ lockdep_assert_irqs_disabled();
ASSERT_EXCLUSIVE_WRITER_SCOPED(*this_cpu_ptr(&rcu_data.cpu_no_qs.b.exp));
__this_cpu_write(rcu_data.cpu_no_qs.b.exp, true);
/* Store .exp before .rcu_urgent_qs. */
--
2.40.1
