Thomas, >> We could test irq_settings_no_debug() directly under handle_nested_irq() >> and handle_irq_event_percpu() to avoid calling note_interrupt(), just >> like we do for noirqdebug. > > We can do that, but then we should not just make it: > > if (!irqnodebug && !irq_settings_no_debug(desc)) > note_interrupt(...); > > Instead have only one condition: > > if (!irq_settings_no_debug(desc)) > note_interrupt(...); > > See the uncompiled delta patch below.
I merged this second part with the first and gave IRQF_NO_DEBUG a try on P8 and P9 systems and all looked fine. I should send both patches after IRQF_NO_AUTOEN is merged in mainline. Thanks, C.