Re: + tracing-add-__event_in_irq-helpers.patch added to mm-new branch

[SeongJae Park <sj@kernel.org>]

On Fri, 9 Jan 2026 11:00:28 -0800 Andrew Morton <akpm@linux-foundation.org> wrote:

> On Fri, 9 Jan 2026 14:17:19 +0000 Lorenzo Stoakes <lorenzo.stoakes@oracle.com> wrote:
> 
> > On Fri, Jan 09, 2026 at 02:59:38PM +0100, David Hildenbrand (Red Hat) wrote:
> > >
> > > Nothing to add to the above :)
> > >
> > > > >
> > > > > Hm.
> > > > >
> > > > > [1] we have 0day now running and reporting problems mostly private to me, I
> > > > > just didn't have the time yet to closely look into the results I've been
> > > > > getting because there seem to be some false positive test failures in some
> > > > > unrelated tests.
> > > >
> > > > I've not seen bot reports from mm-new at all, so this is news to me.
> > >
> > > So far the reports only go to me while we are experimenting with how helpful
> > > it is and how stable the results are.
> > >
> > > I skimmed over some results today, and apparently it found that the new
> > > memory-failure selftests are a bit shaky (fail in some environments).
> > 
> > I guess this is why Andrew isn't bothered about me no longer checking the
> > branch then, you're taking over that role somewhat :)
> 
> These are serious matters and they merit serious consideration.  This
> takes time and I shall not be making half-baked statements.  Please be
> patient.
> 
> I've seen some buildbot/fuzzbot reports for mm-new but they seem to
> have stopped.  It would be good to get this all going again but I never
> know who to poke.

Seems at least some build tests for mm-new are still actively ongoing.  We got
wo reports today (2026-01-09 UTC):
https://lore.kernel.org/oe-kbuild-all/?q=mm-new

> 
> > To be constructive, FWIW, here's what I propose:
> > 
> > 	I think we should rename mm-new to mm-early-testing, base stuff on
> > 	mm-unstable, and have a clear indication as to how things flow
> > 	through.
> 
> Yes, let's not base changes on mm-new.  If an mm-unstable patch needs
> work to integrate into mm-new (unlikely) then I'll take care of that.
> 
> I'm working on documentation for this and much more.  Hopefully I'll be
> progressing that significantly this weekend.

I was actually thinking it would be nice to have a document that describing the
current process, becasue the nwe can make an alignment on the current status,
and further discuss possible improvements.  I was actually about to share the
idea today, and start writing an RFC patch that adds the documentation based on
my best understanding, as MM's maintainer profile [1].  It's good to hear you
are doing the documentation.  I'm not sure your documentation will be somewhat
I was planning to make, but I sure that will be helpful.  So I will wait for
your documentation.

[1] https://docs.kernel.org/maintainer/maintainer-entry-profile.html


Thanks,
SJ

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