From: Avi Kivity <[email protected]>

We know no pages are protected, so we can short-circuit the whole thing
(including fairly nasty guest memory accesses).

Signed-off-by: Avi Kivity <[email protected]>

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index ffd3c97..f76d086 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -2694,6 +2694,9 @@ int kvm_mmu_unprotect_page_virt(struct kvm_vcpu *vcpu, 
gva_t gva)
        gpa_t gpa;
        int r;
 
+       if (tdp_enabled)
+               return 0;
+
        gpa = vcpu->arch.mmu.gva_to_gpa(vcpu, gva);
 
        spin_lock(&vcpu->kvm->mmu_lock);
--
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