--- zzzz-none-000/linux-4.9.231/tools/arch/mips/include/asm/barrier.h	2020-07-22 07:10:54.000000000 +0000
+++ falcon-5590-729/linux-4.9.231/tools/arch/mips/include/asm/barrier.h	2022-03-30 12:03:36.000000000 +0000
@@ -8,7 +8,7 @@
  * CONFIG_ needed for properly doing that.
  */
 #define mb()		asm volatile(					\
-				".set	mips2\n\t"			\
+				".set	mips32r2\n\t"			\
 				"sync\n\t"				\
 				".set	mips0"				\
 				: /* no output */			\