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KVM: x86/mmu: Drop kvm_mmu_extended_role.cr4_la57 hack

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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>
This commit is contained in:
Sean Christopherson 2020-03-02 18:02:35 -08:00 committed by Paolo Bonzini
parent a102a674e4
commit 8053f924ca
2 changed files with 0 additions and 2 deletions
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1
arch/x86/include/asm/kvm_host.h
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@ -300,7 +300,6 @@ union kvm_mmu_extended_role {
unsigned int cr4_pke:1; unsigned int cr4_pke:1;
unsigned int cr4_smap:1; unsigned int cr4_smap:1;
unsigned int cr4_smep:1; unsigned int cr4_smep:1;
unsigned int cr4_la57:1;
unsigned int maxphyaddr:6; unsigned int maxphyaddr:6;
}; };
}; };

1
arch/x86/kvm/mmu/mmu.c
View File

@ -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_smap = !!kvm_read_cr4_bits(vcpu, X86_CR4_SMAP);
ext.cr4_pse = !!is_pse(vcpu); ext.cr4_pse = !!is_pse(vcpu);
ext.cr4_pke = !!kvm_read_cr4_bits(vcpu, X86_CR4_PKE); 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.maxphyaddr = cpuid_maxphyaddr(vcpu);
ext.valid = 1; ext.valid = 1;