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From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Mon, 4 Mar 2024 09:12:38 +0100
Message-ID: <CAMuHMdWi069YAvOoXe7sHJ_o702tY4tDQgL3sfApPR3aCnZboQ@mail.gmail.com>
Subject: Re: [PATCH 1/3] kci-gitlab: Introducing GitLab-CI Pipeline for Kernel Testing
To: Randy Dunlap <rdunlap@infradead.org>
Cc: Guenter Roeck <groeck@google.com>, Linus Torvalds <torvalds@linuxfoundation.org>, 
	Nikolai Kondrashov <spbnick@gmail.com>, Maxime Ripard <mripard@kernel.org>, 
	Helen Koike <helen.koike@collabora.com>, linuxtv-ci@linuxtv.org, 
	dave.pigott@collabora.com, linux-kernel@vger.kernel.org, 
	dri-devel@lists.freedesktop.org, linux-kselftest@vger.kernel.org, 
	gustavo.padovan@collabora.com, pawiecz@collabora.com, 
	tales.aparecida@gmail.com, workflows@vger.kernel.org, 
	kernelci@lists.linux.dev, skhan@linuxfoundation.org, 
	kunit-dev@googlegroups.com, nfraprado@collabora.com, davidgow@google.com, 
	cocci@inria.fr, Julia.Lawall@inria.fr, laura.nao@collabora.com, 
	ricardo.canuelo@collabora.com, kernel@collabora.com, 
	gregkh@linuxfoundation.org
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On Sun, Mar 3, 2024 at 10:30=E2=80=AFAM Geert Uytterhoeven <geert@linux-m68=
k.org> wrote:
> On Sun, Mar 3, 2024 at 3:30=E2=80=AFAM Randy Dunlap <rdunlap@infradead.or=
g> wrote:
> > On 3/2/24 14:10, Guenter Roeck wrote:
> > > While checkpatch is indeed of arguable value, I think it would help a
> > > lot not having to bother about the persistent _build_ failures on
> > > 32-bit systems. You mentioned the fancy drm CI system above, but they
> > > don't run tests and not even test builds on 32-bit targets, which has
> > > repeatedly caused (and currently does cause) build failures in drm
> > > code when trying to build, say, arm:allmodconfig in linux-next. Most
> > > trivial build failures in linux-next (and, yes, sometimes mainline)
> > > could be prevented with a simple generic CI.
> >
> > Yes, definitely. Thanks for bringing that up.
>
> +1

> Kisskb can send out email when builds get broken, and when they get
> fixed again.  I receive such emails for the m68k builds.

Like this (yes, one more in DRM; sometimes I wonder if DRM is meant only
for 64-bit little-endian platforms with +200 GiB/s memory bandwidth):

---8<-------------------------------------------------------------------
Subject: kisskb: FAILED linux-next/m68k-allmodconfig/m68k-gcc8 Mon Mar 04, =
06:35
To: geert@linux-m68k.org
Date: Mon, 04 Mar 2024 08:05:14 -0000

FAILED linux-next/m68k-allmodconfig/m68k-gcc8 Mon Mar 04, 06:35

http://kisskb.ellerman.id.au/kisskb/buildresult/15135537/

Commit:   Add linux-next specific files for 20240304
          67908bf6954b7635d33760ff6dfc189fc26ccc89
Compiler: m68k-linux-gcc (GCC) 8.5.0 / GNU ld (GNU Binutils) 2.36.1

Possible errors
---------------

ERROR: modpost: "__udivdi3" [drivers/gpu/drm/sun4i/sun4i-drm-hdmi.ko] undef=
ined!
make[3]: *** [scripts/Makefile.modpost:145: Module.symvers] Error 1
make[2]: *** [Makefile:1871: modpost] Error 2
make[1]: *** [Makefile:240: __sub-make] Error 2
make: *** [Makefile:240: __sub-make] Error 2

No warnings found in log.
------------------------------------------------------------------->8---

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k=
org

In personal conversations with technical people, I call myself a hacker. Bu=
t
when I'm talking to journalists I just say "programmer" or something like t=
hat.
                                -- Linus Torvalds