diff options
| author | Tom Lendacky <[email protected]> | 2017-10-20 09:30:44 -0500 |
|---|---|---|
| committer | Thomas Gleixner <[email protected]> | 2017-11-07 15:35:54 +0100 |
| commit | d8aa7eea78a1401cce39b3bb61ead0150044a3df (patch) | |
| tree | 8578eb975c77968db7003b83d1c670ff27b35451 /include/linux | |
| parent | 33e63acc119d15c2fac3e3775f32d1ce7a01021b (diff) | |
x86/mm: Add Secure Encrypted Virtualization (SEV) support
Provide support for Secure Encrypted Virtualization (SEV). This initial
support defines a flag that is used by the kernel to determine if it is
running with SEV active.
Signed-off-by: Tom Lendacky <[email protected]>
Signed-off-by: Brijesh Singh <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Reviewed-by: Borislav Petkov <[email protected]>
Tested-by: Borislav Petkov <[email protected]>
Cc: [email protected]
Cc: Borislav Petkov <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/mem_encrypt.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/include/linux/mem_encrypt.h b/include/linux/mem_encrypt.h index 265a9cd21cb4..b310a9c18113 100644 --- a/include/linux/mem_encrypt.h +++ b/include/linux/mem_encrypt.h @@ -23,11 +23,14 @@ #define sme_me_mask 0ULL +static inline bool sme_active(void) { return false; } +static inline bool sev_active(void) { return false; } + #endif /* CONFIG_ARCH_HAS_MEM_ENCRYPT */ -static inline bool sme_active(void) +static inline bool mem_encrypt_active(void) { - return !!sme_me_mask; + return sme_me_mask; } static inline u64 sme_get_me_mask(void) |