1 files changed, 6 insertions, 0 deletions

diff --git a/kernel/srcu.c b/kernel/srcu.c
index 0febf61e1aa3..3f99fa0e8ed3 100644
--- a/kernel/srcu.c
+++ b/kernel/srcu.c
@@ -172,6 +172,12 @@ static void __synchronize_srcu(struct srcu_struct *sp, void (*sync_func)(void))
 {
         int idx;
 
+        rcu_lockdep_assert(!lock_is_held(&sp->dep_map) &&
+                           !lock_is_held(&rcu_bh_lock_map) &&
+                           !lock_is_held(&rcu_lock_map) &&
+                           !lock_is_held(&rcu_sched_lock_map),
+                           "Illegal synchronize_srcu() in same-type SRCU (or RCU) read-side critical section");
+
         idx = sp->completed;
         mutex_lock(&sp->mutex);