trace_hardirqs_on   31 include/linux/irqflags.h # define trace_hardirqs_on()		do { } while (0)
trace_hardirqs_on 2218 kernel/lockdep.c void trace_hardirqs_on(void)
trace_hardirqs_on  308 kernel/trace/trace_irqsoff.c void trace_hardirqs_on(void)