#include <linux/irq.h> void set_pending_irq(unsigned int irq, cpumask_t mask){	irq_desc_t *desc = irq_desc + irq;	unsigned long flags; 	spin_lock_irqsave(&desc->lock, flags);	desc->move_irq = 1;	pending_irq_cpumask[irq] = mask;	spin_unlock_irqrestore(&desc->lock, flags);} void move_native_irq(int irq){	cpumask_t tmp;	irq_desc_t *desc = irq_descp(irq); 	if (likely(!desc->move_irq))		return; 	/*	 * Paranoia: cpu-local interrupts shouldn't be calling in here anyway.	 */	if (CHECK_IRQ_PER_CPU(desc->status)) {		WARN_ON(1);		return;	} 	desc->move_irq = 0; 	if (likely(cpus_empty(pending_irq_cpumask[irq])))		return; 	if (!desc->handler->set_affinity)		return; 	assert_spin_locked(&desc->lock); 	cpus_and(tmp, pending_irq_cpumask[irq], cpu_online_map); 	/*	 * If there was a valid mask to work with, please	 * do the disable, re-program, enable sequence.	 * This is *not* particularly important for level triggered	 * but in a edge trigger case, we might be setting rte	 * when an active trigger is comming in. This could	 * cause some ioapics to mal-function.	 * Being paranoid i guess!	 */	if (unlikely(!cpus_empty(tmp))) {		if (likely(!(desc->status & IRQ_DISABLED)))			desc->handler->disable(irq); 		desc->handler->set_affinity(irq,tmp); 		if (likely(!(desc->status & IRQ_DISABLED)))			desc->handler->enable(irq);	}	cpus_clear(pending_irq_cpumask[irq]);}