#include <linux/irq.h>

  #include <linux/interrupt.h>
  
  #include "internals.h"

  void move_masked_irq(int irq)

  {

  	struct irq_desc *desc = irq_to_desc(irq);

  	if (likely(!(desc->status & IRQ_MOVE_PENDING)))

  		return;

  	/*
  	 * Paranoia: cpu-local interrupts shouldn't be calling in here anyway.
  	 */
  	if (CHECK_IRQ_PER_CPU(desc->status)) {
  		WARN_ON(1);
  		return;
  	}

  	desc->status &= ~IRQ_MOVE_PENDING;

  	if (unlikely(cpumask_empty(desc->pending_mask)))

  		return;

  	if (!desc->chip->set_affinity)

  		return;

  	assert_raw_spin_locked(&desc->lock);

  	/*
  	 * 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!

  	 *
  	 * For correct operation this depends on the caller
  	 * masking the irqs.

  	 */

  	if (likely(cpumask_any_and(desc->pending_mask, cpu_online_mask)

  		   < nr_cpu_ids))
  		if (!desc->chip->set_affinity(irq, desc->pending_mask)) {
  			cpumask_copy(desc->affinity, desc->pending_mask);

  			irq_set_thread_affinity(desc);

  		}

  	cpumask_clear(desc->pending_mask);

  }

  
  void move_native_irq(int irq)
  {

  	struct irq_desc *desc = irq_to_desc(irq);

  
  	if (likely(!(desc->status & IRQ_MOVE_PENDING)))
  		return;

  	if (unlikely(desc->status & IRQ_DISABLED))
  		return;

  	desc->chip->mask(irq);

  	move_masked_irq(irq);

  	desc->chip->unmask(irq);

  }