Re: Linux timekeeping plans

Alan Cox (
Thu, 3 Dec 1998 15:08:37 +0000 (GMT)

> Currently, as I understand it, external interrupts are delivered to one
> processor, but how that processor is chosen is undefined. It may or

Its chosen by the APIC hardware, you can control this in great detail
if you desire (see the 82489 manual). The APICs are also a source of
time interrupts of their own.

> Can I create a broadcast interrupt which all processors use for
> timekeeping?

Yes for 16 or less processor machines

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