KVM: VXM: Remove temporary WARN on expected vs. actual EPTP level mismatch

Remove the WARN in vmx_load_mmu_pgd() that was temporarily added to aid
bisection/debug in the event the current MMU's shadow root level didn't
match VMX's computed EPTP level.

Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Message-Id: <20200716034122.5998-7-sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index 244053c..da75878 100644 (file)
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -3072,14 +3072,6 @@ static int vmx_get_tdp_level(struct kvm_vcpu *vcpu)
        return 4;
 }
 
-static int get_ept_level(struct kvm_vcpu *vcpu)
-{
-       if (is_guest_mode(vcpu) && nested_cpu_has_ept(get_vmcs12(vcpu)))
-               return vmx_eptp_page_walk_level(nested_ept_get_eptp(vcpu));
-
-       return vmx_get_tdp_level(vcpu);
-}
-
 u64 construct_eptp(struct kvm_vcpu *vcpu, unsigned long root_hpa,
                   int root_level)
 {
@@ -3104,8 +3096,6 @@ static void vmx_load_mmu_pgd(struct kvm_vcpu *vcpu, unsigned long pgd,
        u64 eptp;
 
        if (enable_ept) {
-               WARN_ON(pgd_level != get_ept_level(vcpu));
-
                eptp = construct_eptp(vcpu, pgd, pgd_level);
                vmcs_write64(EPT_POINTER, eptp);