cpu_ack_irq 38 arch/parisc/include/asm/irq.h void cpu_ack_irq(struct irq_data *d); cpu_ack_irq 134 arch/parisc/kernel/irq.c .irq_ack = cpu_ack_irq, cpu_ack_irq 699 drivers/parisc/iosapic.c .irq_ack = cpu_ack_irq,