UNRESTRICTED_DOMID
if (u->restrict_domid != UNRESTRICTED_DOMID)
if (u->restrict_domid != UNRESTRICTED_DOMID &&
if (u->restrict_domid != UNRESTRICTED_DOMID)
if (u->restrict_domid != UNRESTRICTED_DOMID)
u->restrict_domid = UNRESTRICTED_DOMID;