1 files changed, 27 insertions, 0 deletions

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index a215c41b5176..992fde984e25 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -3795,6 +3795,33 @@ int kvm_init_shadow_mmu(struct kvm_vcpu *vcpu, struct kvm_mmu *context)
 }
 EXPORT_SYMBOL_GPL(kvm_init_shadow_mmu);
 
+int kvm_init_shadow_ept_mmu(struct kvm_vcpu *vcpu, struct kvm_mmu *context,
+                bool execonly)
+{
+        ASSERT(vcpu);
+        ASSERT(!VALID_PAGE(vcpu->arch.mmu.root_hpa));
+
+        context->shadow_root_level = kvm_x86_ops->get_tdp_level();
+
+        context->nx = true;
+        context->new_cr3 = paging_new_cr3;
+        context->page_fault = ept_page_fault;
+        context->gva_to_gpa = ept_gva_to_gpa;
+        context->sync_page = ept_sync_page;
+        context->invlpg = ept_invlpg;
+        context->update_pte = ept_update_pte;
+        context->free = paging_free;
+        context->root_level = context->shadow_root_level;
+        context->root_hpa = INVALID_PAGE;
+        context->direct_map = false;
+
+        update_permission_bitmask(vcpu, context, true);
+        reset_rsvds_bits_mask_ept(vcpu, context, execonly);
+
+        return 0;
+}
+EXPORT_SYMBOL_GPL(kvm_init_shadow_ept_mmu);
+
 static int init_kvm_softmmu(struct kvm_vcpu *vcpu)
 {
         int r = kvm_init_shadow_mmu(vcpu, vcpu->arch.walk_mmu);