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SubjectRe: [RESEND PATCH] s390: fix dead defaults for S390_MODULES_SANITY_TEST and S390_UNWIND_SELFTEST
On 5/6/26 13:37, Alexander Gordeev wrote:
> In the end of the day I see no impact on the end result (aka the
> generated config) - please correct me if I am wrong.

Yes, there is actually an impact on the end result / the generated
config:

When a user of the kernel build system (e.g. 'make menuconfig') enables
the config option KUNIT_ALL_TESTS, the user expects *all of the tests*
to be enabled. Which is what commit
25d36a85c61b ("s390/test_unwind: convert to KUnit")
was attempting to do with these tests, but it appears they made a
copy-paste mistake. This is the commit referenced in the Fixes tag.

The point is, these tests were intended to be included with
KUNIT_ALL_TESTS, but aren't. This is unintended behavior, and the
definition of a bug in the kernel configuration spec.

That being said, I do agree with you that this is pretty low in
severity, as far as bugs go. It is kunit tests we're talking about,
after all. I'll check with Greg to see if he thinks this is worthy of
a Fixes tag. Another, similar patch I sent out includes the Fixes tag,
and has not received any objections from its 3 reviewers and testers
so far:
https://lore.kernel.org/all/20260405161545.161006-1-julianbraha@gmail.com/

> I think once the tool is officially included you could refer to it
> in the commit message,

I will also check on the best practices for tool-assisted development.
In the past, I have received encouragement for acknowledging the tool:
https://lore.kernel.org/all/bfdfdb05-77e2-455d-b68d-9da3fd9d1c0d@lucifer.local/
and the official kernel docs require an acknowledgement for AI tool
assistance (although this tool is not AI and doesn't generate code...)

- Julian Braha

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