KVM: x86/mmu: Drop kvm_mmu_extended_role.cr4_la57 hack

Drop kvm_mmu_extended_role.cr4_la57 now that mmu_role doesn't mask off
level, which already incorporates the guest's CR4.LA57 for a shadow MMU
by querying is_la57_mode().

Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 6093ff1..327cfce 100644 (file)
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -300,7 +300,6 @@ 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 8b22fc0..374ccbc 100644 (file)
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -4873,7 +4873,6 @@ 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;