diff --git a/include/linux/smp.h b/include/linux/smp.h
index 84a0b4828f6618910a05a80f4b3ada218a68878a..669e35c03be283808a93b19c6a1b9bdcb9f636d6 100644
--- a/include/linux/smp.h
+++ b/include/linux/smp.h
@@ -55,6 +55,14 @@ void on_each_cpu_cond_mask(smp_cond_func_t cond_func, smp_call_func_t func,
 
 int smp_call_function_single_async(int cpu, call_single_data_t *csd);
 
+/*
+ * Cpus stopping functions in panic. All have default weak definitions.
+ * Architecture-dependent code may override them.
+ */
+void panic_smp_self_stop(void);
+void nmi_panic_self_stop(struct pt_regs *regs);
+void crash_smp_send_stop(void);
+
 /*
  * Call a function on all processors
  */