static irqreturn_t smp_irq_move_cleanup_interrupt()

in kernel/irq_ia64.c [315:348]

• 30 lines of code
• 5 McCabe index (conditional complexity)

static irqreturn_t smp_irq_move_cleanup_interrupt(int irq, void *dev_id)
{
	int me = smp_processor_id();
	ia64_vector vector;
	unsigned long flags;

	for (vector = IA64_FIRST_DEVICE_VECTOR;
	     vector < IA64_LAST_DEVICE_VECTOR; vector++) {
		int irq;
		struct irq_desc *desc;
		struct irq_cfg *cfg;
		irq = __this_cpu_read(vector_irq[vector]);
		if (irq < 0)
			continue;

		desc = irq_to_desc(irq);
		cfg = irq_cfg + irq;
		raw_spin_lock(&desc->lock);
		if (!cfg->move_cleanup_count)
			goto unlock;

		if (!cpumask_test_cpu(me, &cfg->old_domain))
			goto unlock;

		spin_lock_irqsave(&vector_lock, flags);
		__this_cpu_write(vector_irq[vector], -1);
		cpumask_clear_cpu(me, &vector_table[vector]);
		spin_unlock_irqrestore(&vector_lock, flags);
		cfg->move_cleanup_count--;
	unlock:
		raw_spin_unlock(&desc->lock);
	}
	return IRQ_HANDLED;
}