On Fri, Nov 23, 2007 at 12:41:32AM +0900, Atsushi Nemoto wrote: > This might broke probe_irq_on()/probe_irq_off(), since > handle_percpu_irq() does not check IRQ_WAITING bit. Ok - but does that matter at all? IRQ probing is only used with ISA drivers and for those there will be another interrupt controller such as a i8259 PIC daisy chained to one of the CPU interrupt pins. Ralf