PKRU_WD_BIT
return !(pkru & ((PKRU_AD_BIT|PKRU_WD_BIT) << pkru_pkey_bits));
new_pkru_bits |= PKRU_WD_BIT;
old_pkru &= ~((PKRU_AD_BIT|PKRU_WD_BIT) << pkey_shift);
if (new_init_pkru & (PKRU_AD_BIT|PKRU_WD_BIT))