diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index a1edd19a1665..96a0601a47c4 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -338,6 +338,11 @@ static int is_last_spte(u64 pte, int level)
 	return 0;
 }
 
+static bool is_executable_pte(u64 spte)
+{
+	return (spte & (shadow_x_mask | shadow_nx_mask)) == shadow_x_mask;
+}
+
 static kvm_pfn_t spte_to_pfn(u64 pte)
 {
 	return (pte & PT64_BASE_ADDR_MASK) >> PAGE_SHIFT;