+void cpu_ack_irq(unsigned int irq)
+{
+ unsigned long mask = EIEM_MASK(irq);
+ int cpu = smp_processor_id();
+
+ /* Clear in EIEM so we can no longer process */
+ if (CHECK_IRQ_PER_CPU(irq_desc[irq].status))
+ per_cpu(local_ack_eiem, cpu) &= ~mask;
+ else
+ global_ack_eiem &= ~mask;
+
+ /* disable the interrupt */
+ set_eiem(cpu_eiem & global_ack_eiem & per_cpu(local_ack_eiem, cpu));
+ /* and now ack it */
+ mtctl(mask, 23);
+}
+
+void cpu_end_irq(unsigned int irq)
+{
+ unsigned long mask = EIEM_MASK(irq);
+ int cpu = smp_processor_id();
+
+ /* set it in the eiems---it's no longer in process */
+ if (CHECK_IRQ_PER_CPU(irq_desc[irq].status))
+ per_cpu(local_ack_eiem, cpu) |= mask;
+ else
+ global_ack_eiem |= mask;
+
+ /* enable the interrupt */
+ set_eiem(cpu_eiem & global_ack_eiem & per_cpu(local_ack_eiem, cpu));
+}
+