diff --git a/hypervisor/arch/x86/guest/vm.c b/hypervisor/arch/x86/guest/vm.c
index f720528b2..f1d99a183 100644
--- a/hypervisor/arch/x86/guest/vm.c
+++ b/hypervisor/arch/x86/guest/vm.c
@@ -60,6 +60,16 @@ bool is_sos_vm(const struct acrn_vm *vm)
 	return (vm != NULL) && (vm == sos_vm_ptr);
 }
 
+/**
+ * @pre vm != NULL && vm_config != NULL && vm->vmid < CONFIG_MAX_VM_NUM
+ */
+bool is_lapic_pt(const struct acrn_vm *vm)
+{
+	struct acrn_vm_config *vm_config = get_vm_config(vm->vm_id);
+
+	return ((vm_config->guest_flags & LAPIC_PASSTHROUGH) != 0U);
+}
+
 /**
  * @brief Initialize the I/O bitmap for \p vm
  *
diff --git a/hypervisor/include/arch/x86/guest/vm.h b/hypervisor/include/arch/x86/guest/vm.h
index 0f2007160..56e04f82f 100644
--- a/hypervisor/include/arch/x86/guest/vm.h
+++ b/hypervisor/include/arch/x86/guest/vm.h
@@ -244,10 +244,7 @@ uint16_t get_vm_pcpu_nums(const struct acrn_vm_config *vm_config);
 void vrtc_init(struct acrn_vm *vm);
 #endif
 
-static inline bool is_lapic_pt(const struct acrn_vm *vm)
-{
-	return ((vm_configs[vm->vm_id].guest_flags & LAPIC_PASSTHROUGH) != 0U);
-}
+bool is_lapic_pt(const struct acrn_vm *vm);
 
 #endif /* !ASSEMBLER */