ipi_handler
err = request_percpu_irq(ipi_base + i, ipi_handler,
err = request_percpu_nmi(irq, ipi_handler, "IPI", NULL, &irq_stat);
err = request_percpu_irq(irq, ipi_handler, "IPI", &irq_stat);
err = request_irq(irq, ipi_handler, IRQF_NO_AUTOEN, "IPI",
ipi_handler(vector, &r);
on_each_cpu(ipi_handler, NULL, 1);
DEFINE_EVENT(ipi_handler, ipi_entry,
DEFINE_EVENT(ipi_handler, ipi_exit,
DECLARE_EVENT_CLASS(ipi_handler,