Re: [PATCH 00/16] dyn_array and nr_irqs support v2

[H. Peter Anvin]

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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