When calc the new CR3 value, take LAM bits in. Signed-off-by: Robert Hoo <robert.hu@xxxxxxxxxxxxxxx> Reviewed-by: Jingqi Liu <jingqi.liu@xxxxxxxxx> --- arch/x86/kvm/mmu.h | 5 +++++ arch/x86/kvm/vmx/vmx.c | 3 ++- 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/arch/x86/kvm/mmu.h b/arch/x86/kvm/mmu.h index 6bdaacb6faa0..866f2b7cb509 100644 --- a/arch/x86/kvm/mmu.h +++ b/arch/x86/kvm/mmu.h @@ -142,6 +142,11 @@ static inline unsigned long kvm_get_active_pcid(struct kvm_vcpu *vcpu) return kvm_get_pcid(vcpu, kvm_read_cr3(vcpu)); } +static inline u64 kvm_get_active_lam(struct kvm_vcpu *vcpu) +{ + return kvm_read_cr3(vcpu) & (X86_CR3_LAM_U48 | X86_CR3_LAM_U57); +} + static inline void kvm_mmu_load_pgd(struct kvm_vcpu *vcpu) { u64 root_hpa = vcpu->arch.mmu->root.hpa; diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index cfa06c7c062e..9985dbb63e7b 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -3261,7 +3261,8 @@ static void vmx_load_mmu_pgd(struct kvm_vcpu *vcpu, hpa_t root_hpa, update_guest_cr3 = false; vmx_ept_load_pdptrs(vcpu); } else { - guest_cr3 = root_hpa | kvm_get_active_pcid(vcpu); + guest_cr3 = root_hpa | kvm_get_active_pcid(vcpu) | + kvm_get_active_lam(vcpu); } if (update_guest_cr3) -- 2.31.1