diff options
| author | David Hildenbrand <david@redhat.com> | 2017-08-10 23:36:54 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2017-08-11 18:53:22 +0200 |
| commit | a057e0e22ca11d04959648694945ebcc44873159 (patch) | |
| tree | add9e059efc7aa4fad4777bf5d25997450877b9c /arch | |
| parent | a170504f9f6d4835e042edf4c764a21594acc79c (diff) | |
KVM: nVMX: validate eptp pointer
Let's reuse the function introduced with eptp switching.
We don't explicitly have to check against enable_ept_ad_bits, as this
is implicitly done when checking against nested_vmx_ept_caps in
valid_ept_address().
Signed-off-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kvm/vmx.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index ed1074e98b8e..df8d2f127508 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -9721,18 +9721,15 @@ static unsigned long nested_ept_get_cr3(struct kvm_vcpu *vcpu) static int nested_ept_init_mmu_context(struct kvm_vcpu *vcpu) { - bool wants_ad; - WARN_ON(mmu_is_nested(vcpu)); - wants_ad = nested_ept_ad_enabled(vcpu); - if (wants_ad && !enable_ept_ad_bits) + if (!valid_ept_address(vcpu, nested_ept_get_cr3(vcpu))) return 1; kvm_mmu_unload(vcpu); kvm_init_shadow_ept_mmu(vcpu, to_vmx(vcpu)->nested.nested_vmx_ept_caps & VMX_EPT_EXECUTE_ONLY_BIT, - wants_ad); + nested_ept_ad_enabled(vcpu)); vcpu->arch.mmu.set_cr3 = vmx_set_cr3; vcpu->arch.mmu.get_cr3 = nested_ept_get_cr3; vcpu->arch.mmu.inject_page_fault = nested_ept_inject_page_fault; |