diff --git a/hw/cxl/cxl-host-stubs.c b/hw/cxl/cxl-host-stubs.c
index c015baac81..9b515913ea 100644
--- a/hw/cxl/cxl-host-stubs.c
+++ b/hw/cxl/cxl-host-stubs.c
@@ -18,3 +18,8 @@ hwaddr cxl_fmws_set_memmap(hwaddr base, hwaddr max_addr)
 void cxl_fmws_update_mmio(void) {};
 
 const MemoryRegionOps cfmws_ops;
+
+GSList *cxl_fmws_get_all_sorted(void)
+{
+    g_assert_not_reached();
+}