__HYPERVISOR_VIRT_START   39 include/asm-x86/xen/interface_32.h #define __HYPERVISOR_VIRT_START 0xF5800000
__HYPERVISOR_VIRT_START   38 include/asm-x86/xen/interface_64.h #define __HYPERVISOR_VIRT_START 0xFFFF800000000000