Re: [PATCH v2 4/6] genirq/test: Depend on SPARSE_IRQ

[Brian Norris]

On Sat, Aug 23, 2025 at 02:59:26PM +0800, David Gow wrote:
> On Sat, 23 Aug 2025 at 03:01, Brian Norris <briannorris@xxxxxxxxxxxx> wrote:
> > Notably, this also excludes ARCH=um from running any of these tests,
> > even though some of them might work.
> 
> I confess to being disappointed that we lose ARCH=um support with this
> -- it's nice to have it run on the "default" configuration -- but the
> correct way of solving this is probably to support SPARSE_IRQ on UML,
> which is probably more work than it's worth.

I made an educated guess on how to support SPARSE_IRQ for ARCH=um, and I
got something working here:

[PATCH] um: Support SPARSE_IRQ
http://lore.kernel.org/all/20250825212031.111027-1-briannorris@xxxxxxxxxxxx

Brian