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SubjectRE: [PATCH] x86_64: Make NR_IRQS configurable in Kconfig
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> > 4k being a humble maximum is definitely a relative term
> here, but on
> > the system with "only" 64 or 128 processors the cpu*224
> would be much
> > higher
> > :) However, maybe CONFIG_TINY that Andi suggested would
> leverage this
> > number also. What do you think, Eric?
>
> Best would be something dynamic - kernels should be self
> tuning, not require that much CONFIG magic.
>
> Just PCI hotplug gives me headaches with this.
>
> Maybe we just need growable per CPU data.
>
Yes, evaluating dynamically would be best... Should be ACPI job I
suppose, including accounting of all possible hot plug controllers.
Unisys boxes have plenty of them, I can look into possible scenarios.

--Natalie
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