diff --git a/xen/include/asm-x86/alternative.h b/xen/include/asm-x86/alternative.h
index 619472efcb..3e608e8633 100644
--- a/xen/include/asm-x86/alternative.h
+++ b/xen/include/asm-x86/alternative.h
@@ -113,6 +113,11 @@ extern void alternative_instructions(void);
 #define alternative(oldinstr, newinstr, feature)                        \
         asm volatile (ALTERNATIVE(oldinstr, newinstr, feature) : : : "memory")
 
+#define alternative_2(oldinstr, newinstr1, feature1, newinstr2, feature2) \
+	asm volatile (ALTERNATIVE_2(oldinstr, newinstr1, feature1,	\
+				    newinstr2, feature2)		\
+		      : : : "memory")
+
 /*
  * Alternative inline assembly with input.
  *