"Natalie Protasevich" <[email protected]> writes:
> I think we counted them in the order of 1400 external IRQs (actual
> ioapics/slots plus possible on-card bridges), and yes numbers for used
> IRQs were close to 250. Actual customer configurations could've big
> bigger, I don't have such data.
>
>> In particular is a large NR_IRQS plus dynamic vector allocation
>> sufficient for all cases you know about?
>
> Yes, since x86_64 boxes never had a problem once dynamic vectors were
> incorporated.
I was wondering if we could avoid making the vectors per cpu and still be
in good shape on x86_32. From your description it looks like we can't
quite support everything on x86_32 if we don't do the per cpu vector
thing. However we will likely have everything interesting supported.
Eric
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