On Wed, Nov 8, 2017 at 6:54 AM, Greentime Hu <green.hu@xxxxxxxxx> wrote: > + > +#ifdef CONFIG_TRACE_IRQFLAGS > +void notrace arch_trace_hardirqs_on(void) > +{ > + trace_hardirqs_on(); > +} > + > +void notrace arch_trace_hardirqs_off(void) > +{ > + trace_hardirqs_off(); > +} > +#endif I don't see those wrappers on other architectures, what do you need them for? Arnd