Re: [PATCH 0/3] Minor hmm_test fixes and cleanups

Alistair Popple
2026-04-01T01:21:10Z

On 2026-04-01 at 11:33 +1100, Andrew Morton <akpm@linux-foundation.org> wrote...
> On Tue, 31 Mar 2026 17:34:42 +1100 Alistair Popple <apopple@nvidia.com> wrote:
>
> > Just a couple of minor fixups and cleanups for the HMM kernel selftests. These
> > were mostly reported by Zenghui Yu with special thanks to Lorenzo for analysing
> > and pointing out the problems.
>
> Geeze, if a kernel oops and a ugly WARN are "minor" then I'd hate to
> see your "major".

Heh. Yeah fair. It wouldn't literally set fire to anything but maybe that bar is
too high :)

> I strengthened the [0/N] cover to read "Two bugfixes a cleanup for the
> HMM kernel selftests....".

Thanks.

> I also slapped cc:stable on [1/3] and [3/3] and queued everything for
> the upcoming merge window, OK?

Sounds good to me.

> Here I assume that some users of earlier kernels will use that kernel's
> in-kernel selftests. I don't know how accurate that is, but if they are not
> using them, they don't care!
>
> [3/3] lacks a Fixes:, but I'm sure the -stable team will figure it out.

Sorry, I shouldn't have been so lazy there. This looks like the correct tag:

Fixes: 6a760f58c792 ("mm/hmm/test: use char dev with struct device to get device node")

Added Mika to 'cc as that's his commit.

> Thanks ;)