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().
Btw, you cannot use spin_trylock(): spin_trylock() is always successful on
uniprocessor builds.
--
Manfred
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