Index: benchmark/basic/tls_fetch_add.c
===================================================================
--- benchmark/basic/tls_fetch_add.c	(revision b4107c815918e9d1300f3381d29c2a863abf7de8)
+++ benchmark/basic/tls_fetch_add.c	(revision 7030dab75c493bbd89de53cb88e496019c794ff4)
@@ -3,4 +3,7 @@
 
 #include "bench.h"
+
+// Does not do a fetch & add. It mimics the cfa protocol to disable interrupts locally, by writing true or false to a
+// thread_local Boolean. This means the entire protocol is just to "mov" instructions making it extremely cheap.
 
 #define thread_local _Thread_local