diff options
Diffstat (limited to 'arch/x86/kvm/x86.h')
| -rw-r--r-- | arch/x86/kvm/x86.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h index 113460370a7f..69de8bf48178 100644 --- a/arch/x86/kvm/x86.h +++ b/arch/x86/kvm/x86.h @@ -62,6 +62,16 @@ static inline bool is_64_bit_mode(struct kvm_vcpu *vcpu) return cs_l; } +static inline bool is_la57_mode(struct kvm_vcpu *vcpu) +{ +#ifdef CONFIG_X86_64 + return (vcpu->arch.efer & EFER_LMA) && + kvm_read_cr4_bits(vcpu, X86_CR4_LA57); +#else + return 0; +#endif +} + static inline bool mmu_is_nested(struct kvm_vcpu *vcpu) { return vcpu->arch.walk_mmu == &vcpu->arch.nested_mmu; |