Index: /trunk/include/VBox/vmm/cpum.h
===================================================================
--- /trunk/include/VBox/vmm/cpum.h	(revision 85351)
+++ /trunk/include/VBox/vmm/cpum.h	(revision 85352)
@@ -329,4 +329,7 @@
     ((a_enmMicroarch) >= kCpumMicroarch_AMD_16h_First && (a_enmMicroarch) <= kCpumMicroarch_AMD_16h_End)
 
+/** Predicate macro for catching AMD Zen Family CPUs. */
+#define CPUMMICROARCH_IS_AMD_FAM_ZEN(a_enmMicroarch) \
+    ((a_enmMicroarch) >= kCpumMicroarch_AMD_Zen_First && (a_enmMicroarch) <= kCpumMicroarch_AMD_Zen_End)