--- zzzz-none-000/linux-4.4.60/arch/mips/include/asm/barrier.h	2017-04-08 07:53:53.000000000 +0000
+++ dragonfly-4020-701/linux-4.4.60/arch/mips/include/asm/barrier.h	2018-11-08 13:36:17.000000000 +0000
@@ -18,7 +18,7 @@
 	__asm__ __volatile__(			\
 		".set	push\n\t"		\
 		".set	noreorder\n\t"		\
-		".set	mips2\n\t"		\
+		".set	"MIPS_ISA_LEVEL"\n\t"		\
 		"sync\n\t"			\
 		".set	pop"			\
 		: /* no output */		\