Re: [ndctl PATCH] test/cxl-topology.sh: test switch port target

[Alison Schofield <alison.schofield@intel.com>]

On Thu, Jan 08, 2026 at 10:02:58AM -0700, Dave Jiang wrote:
> 
> 
> On 1/7/26 10:25 PM, Alison Schofield wrote:
> > Add a test case to validate that all switch port decoders sharing
> > downstream ports, dports, have target lists properly enumerated.

snip

> > 
> > This new case is quietly skipped with kernel version 6.18 where it
> > is known broken.

snip

> > +}
> > +# Skip the target enumeration test where known broken
> > +check_eq_kver 6.18 || test_switch_decoder_target_enumeration
> 
> 6.19 I believe?

I found it fails with this commit introduced in 6.18:
4f06d81e7c6a ("cxl: Defer dport allocation for switch ports")

So intending to skip that single kern version.

I won't put this on ndctl/pending until the kernel patch is merged
in 6.19.

Make sense?

> 
> DJ
> 
> >  
> >  # check that switch ports disappear after all of their memdevs have been
> >  # disabled, and return when the memdevs are enabled.
>