Re: m68k: [v5] Convert to genirq (WIP)

[Geert Uytterhoeven]

On Sun, Aug 28, 2011 at 09:53, Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote:
> On Sun, Aug 28, 2011 at 04:08, Finn Thain <fthain@xxxxxxxxxxxxxxxxxxx> wrote:
>> On one VIA-based machine that I tested, !CONFIG_USE_GENERIC_HARDIRQS
>> gives:
>>
>> # cat /proc/interrupts
>> auto    1:    2299 via1
>> auto    2:    3876 via2
>> auto    4:    Â562 SCC
>> auto    7:     Â0 NMI
>> mac    10:    Â590 pmu-shift
>> mac    12:     90 pmu-clock
>> mac    14:    1635 timer
>> mac    17:    3876 nubus
>> mac    56:    3879 sonic
>>
>> whereas, CONFIG_USE_GENERIC_HARDIRQS=y gives:
>>
>> # cat /proc/interrupts
>> Â Â Â Â Â CPU0
>> Â4: Â Â Â 5303 Â Â Âauto ÂSCC
>> Â7: Â Â Â Â Â0 Â Â Âauto ÂNMI
>> Â10: Â Â Â 2136 Â Â Â mac Âpmu-shift
>> Â12: Â Â Â Â607 Â Â Â mac Âpmu-clock
>> Â14: Â Â Â41858 Â Â Â mac Âtimer
>> Â56: Â Â Â66876 Â Â Â mac Âsonic
>> ERR: Â Â Â Â Â0
>>
>> Are there no counters for chained IRQs?
>
> I noticed the same for Amiga.

Thomas, is it intentional that chain handlers don't show counters?
What if we get unexpected interrupts the chain handler can't handle?

Gr{oetje,eeting}s,

            Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
             Â Â -- Linus Torvalds
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