1 files changed, 3 insertions, 0 deletions
diff --git a/rts/StgStartup.cmm b/rts/StgStartup.cmm
index a650e5c367..0cd18628e2 100644
--- a/rts/StgStartup.cmm
+++ b/rts/StgStartup.cmm
@@ -127,6 +127,9 @@ stg_returnToSched /* no args: explicit stack layout */
 // current thread.  This is used for switching from compiled execution to the
 // interpreter, where calling threadPaused() on every switch would be too
 // expensive.
+//
+// See Note [avoiding threadPaused] in Interpreter.c
+//
 stg_returnToSchedNotPaused /* no args: explicit stack layout */
 {
   SAVE_THREAD_STATE();