Re: [PATCH] pci: change msi-x vector to 32bit

Alan Cox
2008-08-18T22:09:19Z

> > I completely agree that irq number 99.9% of the time should be a completely
> > abstract token.
>
> Sure, although one nice reason for doing the abstraction first is that
> it stops people imposing fragile numbering schemes on irq ...

On a lot of embedded devices IRQ numbers are not abstract and not
fragile. I'm all for abstracting out interrupts nicely but it isn't just
the legacy PC cases to consider - a lot of embedded is at least as
defined, rigid and meaningfully numbered as ISA.

Alan