diff --git a/qom/cpu.c b/qom/cpu.c
index ba8b402..6a9d02e 100644
--- a/qom/cpu.c
+++ b/qom/cpu.c
@@ -202,7 +202,7 @@
     return target_words_bigendian();
 }
 
-static void cpu_common_debug_excp_handler(CPUState *cpu)
+static void cpu_common_noop(CPUState *cpu)
 {
 }
 
@@ -344,7 +344,9 @@
     k->gdb_read_register = cpu_common_gdb_read_register;
     k->gdb_write_register = cpu_common_gdb_write_register;
     k->virtio_is_big_endian = cpu_common_virtio_is_big_endian;
-    k->debug_excp_handler = cpu_common_debug_excp_handler;
+    k->debug_excp_handler = cpu_common_noop;
+    k->cpu_exec_enter = cpu_common_noop;
+    k->cpu_exec_exit = cpu_common_noop;
     dc->realize = cpu_common_realizefn;
     /*
      * Reason: CPUs still need special care by board code: wiring up