jan.dakinevich_gmail.com added inline comments.
INLINE COMMENTS
> anish wrote in ept.c:58-59
> This is cryptic, better to have separate macros for it
> #define INVVPID_SINGLE_CTX_SUP(cap) ((cap) & (1UL << 41))
> #define INVVPID_ALL_CTX_SUP(cap) ((cap) & (1UL << 42))
It was
grehan added inline comments.
INLINE COMMENTS
> ept.c:68
> + (((cap) & INVEPT_REQUIRED_TYPES_MASK) == INVEPT_REQUIRED_TYPES_MASK)
>
> #define EPT_PWLEVELS4 /* page walk levels */
Might be worth splitting these out into individual tests, since I have a
anish added inline comments.
INLINE COMMENTS
> ept.c:58-59
> +#define INVVPID_REQUIRED_TYPES_MASK \
> + ((1UL << (INVVPID_TYPE_SINGLE_CONTEXT + 40)) | \
> + (1UL << (INVVPID_TYPE_ALL_CONTEXTS + 40)))
> +#define INVVPID_REQUIRED_TYPES_SUPPORTED(cap)
jan.dakinevich_gmail.com created this revision.
Herald added a subscriber: imp.
REVISION SUMMARY
Currently, during EPT initialization it is checked that invvpid
instruction supports all possible invalidation types, however only two
of them are used (single context and all contexts
