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SubjectRe: [patch] Add allowed_affinity to the irq_desc to make it possible to have restricted irqs
Arjan van de Ven <> writes:

> Eric W. Biederman wrote:
>> What is the problem you are trying to solve?
> 2 problems
> 1) irq's that irqbalance should not touch at all

This is easy we just need a single bit. Not 128+ bytes on the huge

> 2) irqs that can only go to a subset of processors.
> 1) is very real today
> 2) is partially real on some of the bigger numa stuff already.

You have said you the NUMA cases is handled in another way already?
In which case irqs that can only got to a subset of processors
shouldn't be a problem.

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