set_send_ipi 20 arch/csky/include/asm/smp.h void __init set_send_ipi(void (*func)(const struct cpumask *mask), int irq); set_send_ipi 276 drivers/irqchip/irq-csky-mpintc.c set_send_ipi(&csky_mpintc_send_ipi, ipi_irq);