diff options
Diffstat (limited to 'arch/x86/include/asm/kvm_host.h')
| -rw-r--r-- | arch/x86/include/asm/kvm_host.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 01c8b501cb6d..8968165963e4 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -335,6 +335,14 @@ struct kvm_mmu { */ u8 permissions[16]; + /* + * The pkru_mask indicates if protection key checks are needed. It + * consists of 16 domains indexed by page fault error code bits [4:1], + * with PFEC.RSVD replaced by ACC_USER_MASK from the page tables. + * Each domain has 2 bits which are ANDed with AD and WD from PKRU. + */ + u32 pkru_mask; + u64 *pae_root; u64 *lm_root; |