Index: arch/mips/include/barrier.h
===================================================================
--- arch/mips/include/barrier.h	(revision 7dd56f1bb223afc181160d339ef4306b3ed41cea)
+++ arch/mips/include/barrier.h	(revision 82f9955cc48d92682e5bb1e6133cb5b0827c930f)
@@ -30,4 +30,7 @@
 #define __mips_BARRIER_H__
 
+/*
+ * TODO: implement true MIPS memory barriers for macros below.
+ */
 #define CS_ENTER_BARRIER()	__asm__ volatile ("" ::: "memory")
 #define CS_LEAVE_BARRIER()	__asm__ volatile ("" ::: "memory")