3 #if defined(CONFIG_GENERIC_PENDING_IRQ)
5 void set_pending_irq(unsigned int irq, cpumask_t mask)
7 irq_desc_t *desc = irq_desc + irq;
10 spin_lock_irqsave(&desc->lock, flags);
12 pending_irq_cpumask[irq] = mask;
13 spin_unlock_irqrestore(&desc->lock, flags);
16 void move_native_irq(int irq)
19 irq_desc_t *desc = irq_descp(irq);
21 if (likely (!desc->move_irq))
26 if (likely(cpus_empty(pending_irq_cpumask[irq])))
29 if (!desc->handler->set_affinity)
32 /* note - we hold the desc->lock */
33 cpus_and(tmp, pending_irq_cpumask[irq], cpu_online_map);
36 * If there was a valid mask to work with, please
37 * do the disable, re-program, enable sequence.
38 * This is *not* particularly important for level triggered
39 * but in a edge trigger case, we might be setting rte
40 * when an active trigger is comming in. This could
41 * cause some ioapics to mal-function.
42 * Being paranoid i guess!
44 if (unlikely(!cpus_empty(tmp))) {
45 desc->handler->disable(irq);
46 desc->handler->set_affinity(irq,tmp);
47 desc->handler->enable(irq);
49 cpus_clear(pending_irq_cpumask[irq]);