xenvif_ctrl_irq_fn 376 drivers/net/xen-netback/common.h irqreturn_t xenvif_ctrl_irq_fn(int irq, void *data); xenvif_ctrl_irq_fn 606 drivers/net/xen-netback/interface.c err = request_threaded_irq(vif->ctrl_irq, NULL, xenvif_ctrl_irq_fn,