Re: Interrupts and MP

Alan Cox (alan@lxorguk.ukuu.org.uk)
Mon, 13 Dec 1999 15:54:21 +0000 (GMT)

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> Do they:
> all interrupt the same processor?

In "noapic" mode yes

> get distributed among all the processors somehow? If so, how?

By hardware. The basic rule is random distribution but a CPU that is servicing
a given IRQ currently gets all further irqs for that interrupt until it clears
the irq

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