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SubjectRe: [PATCH] sparse_irq aka dyn_irq v13
Yinghai Lu wrote:
> Mike Travis wrote:
>> Andrew Morton wrote:
>>> On Thu, 13 Nov 2008 14:41:36 -0800
>>> Yinghai Lu <yinghai@kernel.org> wrote:
>>>
>> That's a good question. If there are 4k or 16k cpus, would the number of
>> irq's being "kstat'd" need to be > 64k? (I'm not exactly sure why there
>> are NR_CPUS * NR_IRQS_LEGACY kstat entries per IRQ?)
>
> can be replaced with nr_cpu_ids * NR_IRQS_LEGACY...
>
> YH

Ok, but why does each irq need a list of all other irq's in the system?
Can they be collapsed into one array or percpu list?

Thanks,
Mike


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