Symbol: XENVER_extraversion
usr/src/uts/i86xpv/io/privcmd_hcall.c
966
case XENVER_extraversion:
usr/src/uts/i86xpv/os/xen_machdep.c
154
(void) HYPERVISOR_xen_version(XENVER_extraversion, &xenver[idx].xv_ver);