Re: [RFC PATCH 5/6] selftests: run tests on nommu architecture

[Hajime Tazaki <thehajime@gmail.com>]

Hello Mark,

thank you for your time to review the patch !

On Fri, 14 Aug 2026 23:34:15 +0900,
Mark Brown wrote:
> 
> [1  <text/plain; us-ascii (quoted-printable)>]
> On Fri, Aug 14, 2026 at 01:50:50PM +0100, Lorenzo Stoakes (ARM) wrote:
> 
> > So at this point you're not really running much of the selftests at all,
> > and are only happening to run those that don't do the very basic stuff
> > nommu can't deal with.
> 
> > I think an audit of existing tests to figure out what works with nommu vs
> > what doesn't is really unreasonable again, given nobody tests or seemingly
> > uses these arches.
> 
> > So this patch might beget more nommu carve outs and exceptions and
> > therefore nommu workload and maintenance, which isn't really sustainable.
> 
> > I know I complain about lack of testing on nommu, but at the same time I
> > don't think running arbitrary tests that happen to work on it and who knows
> > if they are valid asserts anyway really fixes things.
> 
> > And given nobody really is doing testing, it's not really a great RoI
> > here...
> 
> Perhaps a good first step here is to start off with getting some public
> CI set up, then build up to getting things running cleanly.  That way
> there'll be visible ongoing coverage which will help motivate getting
> whatever changes integrated, and if the changes are done bit by bit
> there should be clearer explanations for why they make sense on nommu.

thanks,

I'm currently running tests on my personal CI (gh actions) but try to
find a public one to be more visible to others.

> You could perhaps use a skiplist to ignore tests that don't work yet so
> the CI starts off clean?

thanks, that would indeed make nommu tests more cleaner to integrate
as a first step.

-- Hajime