irqreturn_t __irq_entry timer_interrupt()

in kernel/time.c [110:129]

• 13 lines of code
• 1 McCabe index (conditional complexity)

irqreturn_t __irq_entry timer_interrupt(struct pt_regs *regs)
{
	struct pt_regs *old_regs = set_irq_regs(regs);
	unsigned int cpu = smp_processor_id();
	struct clock_event_device *evt =
		&per_cpu(clockevent_openrisc_timer, cpu);

	timer_ack();

	/*
	 * update_process_times() expects us to have called irq_enter().
	 */
	irq_enter();
	evt->event_handler(evt);
	irq_exit();

	set_irq_regs(old_regs);

	return IRQ_HANDLED;
}