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SubjectRe: [PATCH 00/16] dyn_array and nr_irqs support v2
Mike Travis wrote:
>>
>> So on my wish list is to stably encode the MSI interurrpt numbers. And
>> using a sparse irq address space I can. As it only takes 28 bits to hold
>> the complete bus + device + function + msi source [ 0-4095 ]
>
> Don't you need "domain" (node) in the bus:device:function:vector combination?
> (Or [hack] use a lot bigger field for bus with the node encoded into it.)
>

You definitely need domain, and that blows the 32-bit limit quite out of
the water.

-hpa


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