xack               96 arch/mips/include/asm/netlogic/common.h void nlm_set_pic_extra_ack(int node, int irq,  void (*xack)(struct irq_data *));
xack              199 arch/mips/netlogic/common/irq.c void nlm_set_pic_extra_ack(int node, int irq, void (*xack)(struct irq_data *))
xack              208 arch/mips/netlogic/common/irq.c 	pic_data->extra_ack = xack;