On Fri, Sep 27, 2019 at 06:27:35PM +0200, Borislav Petkov wrote: > > +#define SGX_ATTR_RESERVED_MASK (BIT_ULL(3) | BIT_ULL(7) | GENMASK_ULL(63, 8)) > > Looking how bit 7 is part of the reserved mask but you have it above > as SGX_ATTR_KSS too. Bit 6, OTOH, is not mentioned anywhere and it > very much looks like you need to have BIT_ULL(6) above as part of the > reserved mask instead of bit 7. > > Hmmm? Correct. This a regression. The reserved bit really should be 6 as stated in: Table 37-3. Layout of ATTRIBUTES Structure Thank you. /Jarkko