1 files changed, 2 insertions, 2 deletions

diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index fb359b0a6937..a3c28e46947c 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -745,11 +745,11 @@
                         asm volatile("mfmsr %0" : "=r" (rval)); rval;})
 #ifdef CONFIG_PPC64
 #define __mtmsrd(v, l)  asm volatile("mtmsrd %0," __stringify(l) \
-                                     : : "r" (v))
+                                     : : "r" (v) : "memory")
 #define mtmsrd(v)       __mtmsrd((v), 0)
 #define mtmsr(v)        mtmsrd(v)
 #else
-#define mtmsr(v)        asm volatile("mtmsr %0" : : "r" (v))
+#define mtmsr(v)        asm volatile("mtmsr %0" : : "r" (v) : "memory")
 #endif
 
 #define mfspr(rn)       ({unsigned long rval; \