On Sat, 9 Oct 2010, Yinghai Lu wrote: > On 10/08/2010 11:34 PM, Thomas Gleixner wrote: > >> irq = pin_2_irq(idx, apic_id, pin); > >> > >> + /* only handle fall out from setup_IO_APIC_irqs() */ > > > > What's the fallout ? And why are we coming here in the first place > > when the irq is < 16 ? > > setup_IO_APIC_irqs only handle apic_id == 0 or apic_id > 0 but irq < 16 via acpi override. > > it seems IBM's system have apic_id == 1, and sci irq is using 30. > > so at that time add that setup_IO_APIC_irq_extra() to workaround it. > but it seems we set that two time when irq < 16. Hmm. Ok. Thanks for figuring it out. Thanks, tglx -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html