Messages in this thread | | | From | "Manfred Spraul" <> | Subject | Re: PS/2 mouse latency was Re: [linux-audio-dev] Re: [DATAPOINT] kernels and latencies | Date | Wed, 5 Jul 2000 18:37:11 +0200 |
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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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