I've just run Windows 8 under a hacked up copy of OVMF that dumps the data passed to SetVirtualAddressMap. It seems that Windows *is* mapping the runtime services to higher addresses - so presumably the 1:1 mapping is in addition to the virtual mapping. -- Matthew Garrett | mjg59@xxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-efi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html