diff --git a/include/linux/reboot.h b/include/linux/reboot.h
index b93b541cf111d08701c40939b9f201429a213e56..988e55fe649b8e7bcf8c6a325ac29c5b59edab8b 100644
--- a/include/linux/reboot.h
+++ b/include/linux/reboot.h
@@ -59,6 +59,7 @@ extern void machine_crash_shutdown(struct pt_regs *);
  * Architecture independent implemenations of sys_reboot commands.
  */
 
+extern void kernel_restart_prepare(char *cmd);
 extern void kernel_restart(char *cmd);
 extern void kernel_halt(void);
 extern void kernel_power_off(void);
diff --git a/kernel/kexec.c b/kernel/kexec.c
index 2810558802b6c6662ca3fd09719684878c32b6bb..b81682312dc442d6cf6c026ac7e75c028387e6dc 100644
--- a/kernel/kexec.c
+++ b/kernel/kexec.c
@@ -1472,11 +1472,7 @@ int kernel_kexec(void)
 	} else
 #endif
 	{
-		blocking_notifier_call_chain(&reboot_notifier_list,
-					     SYS_RESTART, NULL);
-		system_state = SYSTEM_RESTART;
-		device_shutdown();
-		sysdev_shutdown();
+		kernel_restart_prepare(NULL);
 		printk(KERN_EMERG "Starting new kernel\n");
 		machine_shutdown();
 	}
diff --git a/kernel/sys.c b/kernel/sys.c
index c01858090a981634cd31b26b439fba7b360b9ca3..3dacb00a7f765977c92d896ca4556f93ff87616b 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -274,7 +274,7 @@ void emergency_restart(void)
 }
 EXPORT_SYMBOL_GPL(emergency_restart);
 
-static void kernel_restart_prepare(char *cmd)
+void kernel_restart_prepare(char *cmd)
 {
 	blocking_notifier_call_chain(&reboot_notifier_list, SYS_RESTART, cmd);
 	system_state = SYSTEM_RESTART;