diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 9c7ced0e31718..682e82956ea5a 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -320,6 +320,7 @@ union kvm_mmu_extended_role {
 		unsigned int cr4_pke:1;
 		unsigned int cr4_smap:1;
 		unsigned int cr4_smep:1;
+		unsigned int cr4_la57:1;
 		unsigned int maxphyaddr:6;
 	};
 };
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index 8d5876dfc6b71..a54f72c31be90 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -4476,6 +4476,7 @@ static union kvm_mmu_extended_role kvm_calc_mmu_role_ext(struct kvm_vcpu *vcpu)
 	ext.cr4_smap = !!kvm_read_cr4_bits(vcpu, X86_CR4_SMAP);
 	ext.cr4_pse = !!is_pse(vcpu);
 	ext.cr4_pke = !!kvm_read_cr4_bits(vcpu, X86_CR4_PKE);
+	ext.cr4_la57 = !!kvm_read_cr4_bits(vcpu, X86_CR4_LA57);
 	ext.maxphyaddr = cpuid_maxphyaddr(vcpu);
 
 	ext.valid = 1;