1 files changed, 2 insertions, 0 deletions
diff --git a/kern/sref_i.h b/kern/sref_i.h
index 695808cc..65d0c1bf 100644
--- a/kern/sref_i.h
+++ b/kern/sref_i.h
@@ -54,6 +54,8 @@ struct sref_weakref {
  * Locking keys :
  * (c) sref_counter
  * (g) sref_data
+ *
+ * Interrupts must be disabled when accessing a global counter.
  */
 struct sref_counter {
     sref_noref_fn_t noref_fn;