EVTCHN_FIFO_       76 drivers/xen/events/events_fifo.c     (((unsigned long)w & 0x4UL) ? (EVTCHN_FIFO_ ##b + 32) : EVTCHN_FIFO_ ##b)
EVTCHN_FIFO_       81 drivers/xen/events/events_fifo.c #define EVTCHN_FIFO_BIT(b, w) EVTCHN_FIFO_ ##b