James Kilts wrote:
> Philippe,
>
> Indeed it was a problem with __set_irq_handler() not assigning appropriate
> handlers, since this board doesn't fall into any of the existing handler
> categories.
Ok. I had a look at handle_prio_irq in arch/arm/mach-ns9xxx/irq.c. What
this irq handler does is bad, really bad. If you care about interrupt
latencies, you should really use handle_level_irq. That is, replace the
#if 0 with a #if 1.
This issue has already been discussed (in a slightly different form) on
both Xenomai and Linux-arm-kernel mailing lists.
By the way: do you plan to publish your patch?
--
Gilles.
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