Re: Dedicated Interrupt handling on SMP

Ingo Oeser (ingo.oeser@informatik.tu-chemnitz.de)
Fri, 25 May 2001 22:38:41 +0200

On Fri, May 25, 2001 at 12:43:11PM -0400, Randy wrote:
> I'm trying to find the easiest way to to deidcate one CPU to responding
> to a specific Interrupt request.
> That CPU should only listen for that request while all other CPU should
> ignore the interrupt.

cat /proc/irq/*/smp_affinity

There you can select on which if the 32 CPUs Linux should handle
this IRQ.

Read Documentation/IRQ-affinity.txt for more.

Regards

Ingo Oeser

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