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

James Bottomley
2008-08-18T22:27:21Z

On Mon, 2008-08-18 at 22:51 +0100, Alan Cox wrote:
> > > 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.

So for these, the abstraction transformation is the identity ... meaning
they behave as they always have.

James