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SubjectRe: PS/2 mouse latency was Re: [linux-audio-dev] Re: [DATAPOINT] kernels and latencies
Manfred Spraul writes:
> From: "Richard Gooch" <rgooch@ras.ucalgary.ca>
> >
> > OK, but there's still one point that hasn't been answered: what
> > happens if you don't clear the interrupt condition? Will the ISR keep
> > getting called, or is it called only once?
> >
> On my board, the interrupt is marked as "IO APIC edge", it should be
> called only once. <asm-i386/keyboard.h> doesn't contain anything
> that sounds like acknowledge_interrupt().

Sure, as I said earlier, so it is on my SMP machine. On another
machine it's XT-PIC. So what's that? Level or edge?

And what about non-x86 boxes?

Regards,

Richard....
Permanent: rgooch@atnf.csiro.au
Current: rgooch@ras.ucalgary.ca

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