[PATCH] um: Support SPARSE_IRQ

[Brian Norris]

On Wed, Aug 27, 2025 at 09:38:17PM +0200, Johannes Berg wrote:
> On Mon, 2025-08-25 at 14:19 -0700, Brian Norris wrote:
> > 
> > +#ifdef CONFIG_SPARSE_IRQ
> > +int __init arch_probe_nr_irqs(void)
> > 
> 
> Is there much point in the ifdef if it's anyway always going to be
> enabled due to the 'select'?

Oh, good question. No, I don't see much point. I think I was waffling
about the MAY_HAVE_SPARSE_IRQ question, but if we go with 'select
SPARSE_IRQ' as proposed, I should probably drop the #ifdef.

Will send v2 if that's the only question/request.

Brian