On 07.12.2017 00:11, Christoph Hellwig wrote:

quoted

 void (*pm_power_off_prepare)(void);
+EXPORT_SYMBOL(pm_power_off_prepare);

EXPORT_SYMBOL_GPL for something this deeply internal, please.

Ok,
probably all other symbols should be converted in this file in to
EXPORT_SYMBOL_GPL as well?

grep EXPORT_SYMBOL kernel/reboot.c
EXPORT_SYMBOL(cad_pid);
EXPORT_SYMBOL(pm_power_off_prepare);
EXPORT_SYMBOL_GPL(emergency_restart);
EXPORT_SYMBOL(register_reboot_notifier);
EXPORT_SYMBOL(unregister_reboot_notifier);
EXPORT_SYMBOL(devm_register_reboot_notifier);
EXPORT_SYMBOL(register_restart_handler);
EXPORT_SYMBOL(unregister_restart_handler);
EXPORT_SYMBOL_GPL(kernel_restart);
EXPORT_SYMBOL_GPL(kernel_halt);
EXPORT_SYMBOL_GPL(kernel_power_off);
EXPORT_SYMBOL_GPL(orderly_poweroff);
EXPORT_SYMBOL_GPL(orderly_reboot);