Lines Matching full:protection
32 .Nm Protection Key Rights for User pages
52 The protection keys feature provides an additional mechanism, besides the
65 has an associated 4-bit protection key.
66 A new per-thread PKRU hardware register determines, for each protection
67 key, whether user-mode addresses with that protection key may be
71 The default protection key index is zero, it is used even if no key
74 The protection prevents the system from accessing user addresses as well
77 protection, it returns the
82 Protection keys require that the system uses 4-level paging
85 Both 64-bit and 32-bit applications can use protection keys.
173 The hardware does not support protection keys.
192 and the range already has defined protection keys.