--- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -526,6 +526,9 @@ handle_percpu_irq(unsigned int irq, stru kstat_this_cpu.irqs[irq]++; + if (unlikely(!desc->action || (desc->status & IRQ_DISABLED))) + return; + if (desc->chip->ack) desc->chip->ack(irq);