Re: linux-next: build failure after merge of the kunit-next tree

[David Gow <davidgow@google.com>]

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On Thu, 29 Feb 2024 at 23:07, Shuah Khan <skhan@linuxfoundation.org> wrote:
>
> Hi Stephen,
>
> On 2/28/24 21:26, Stephen Rothwell wrote:
> > Hi all,
> >
> > After merging the kunit-next tree, today's linux-next build (x86_64
> > allmodconfig) failed like this:
> >
> > In file included from drivers/gpu/drm/tests/drm_buddy_test.c:7:
> > drivers/gpu/drm/tests/drm_buddy_test.c: In function 'drm_test_buddy_alloc_range_bias':
> > drivers/gpu/drm/tests/drm_buddy_test.c:191:40: error: format '%u' expects a matching 'unsigned int' argument [-Werror=format=]
> >    191 |                                        "buddy_alloc failed with bias(%x-%x), size=%u, ps=%u\n",
> >        |                                        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > include/kunit/test.h:597:37: note: in definition of macro '_KUNIT_FAILED'
> >    597 |                                     fmt,                                       \
> >        |                                     ^~~
> > include/kunit/test.h:662:9: note: in expansion of macro 'KUNIT_UNARY_ASSERTION'
> >    662 |         KUNIT_UNARY_ASSERTION(test,                                            \
> >        |         ^~~~~~~~~~~~~~~~~~~~~
> > include/kunit/test.h:1233:9: note: in expansion of macro 'KUNIT_FALSE_MSG_ASSERTION'
> >   1233 |         KUNIT_FALSE_MSG_ASSERTION(test,                                        \
> >        |         ^~~~~~~~~~~~~~~~~~~~~~~~~
> > drivers/gpu/drm/tests/drm_buddy_test.c:186:17: note: in expansion of macro 'KUNIT_ASSERT_FALSE_MSG'
> >    186 |                 KUNIT_ASSERT_FALSE_MSG(test,
> >        |                 ^~~~~~~~~~~~~~~~~~~~~~
> > drivers/gpu/drm/tests/drm_buddy_test.c:191:91: note: format string is defined here
> >    191 |                                        "buddy_alloc failed with bias(%x-%x), size=%u, ps=%u\n",
> >        |                                                                                          ~^
> >        |                                                                                           |
> >        |                                                                                           unsigned int
> > cc1: all warnings being treated as errors
> >
> > Caused by commit
> >
> >    806cb2270237 ("kunit: Annotate _MSG assertion variants with gnu printf specifiers")
> >
>
> Thank you. I did allmodconfig build on kselftest kunit branch to make
> sure all is well, before I pushed the commits.
>
> > interacting with commit
> >
> >    c70703320e55 ("drm/tests/drm_buddy: add alloc_range_bias test")
>   >
> > from the drm-misc-fixes tree.
> >
> > I have applied the following patch for today (this should probably
> > actually be fixed in the drm-misc-fixes tree).
> >
>
> Danial, David,
>
> I can carry the fix through kselftest kunit if it works
> for all.

I'm happy for this to go in with the KUnit changes if that's the best
way to keep all of the printk formatting fixes together.


-- David

>
> > From: Stephen Rothwell <sfr@canb.auug.org.au>
> > Date: Thu, 29 Feb 2024 15:18:36 +1100
> > Subject: [PATCH] fix up for "drm/tests/drm_buddy: add alloc_range_bias test"
> >
> > Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
> > ---
> >   drivers/gpu/drm/tests/drm_buddy_test.c | 2 +-
> >   1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/tests/drm_buddy_test.c b/drivers/gpu/drm/tests/drm_buddy_test.c
> > index 1e73e3f0d278..369edf587b44 100644
> > --- a/drivers/gpu/drm/tests/drm_buddy_test.c
> > +++ b/drivers/gpu/drm/tests/drm_buddy_test.c
> > @@ -188,7 +188,7 @@ static void drm_test_buddy_alloc_range_bias(struct kunit *test)
> >                                                             bias_end, size, ps,
> >                                                             &allocated,
> >                                                             DRM_BUDDY_RANGE_ALLOCATION),
> > -                                    "buddy_alloc failed with bias(%x-%x), size=%u, ps=%u\n",
> > +                                    "buddy_alloc failed with bias(%x-%x), size=%u\n",
> >                                      bias_start, bias_end, size);
> >               bias_rem -= size;
> >
>
> thanks,
> -- Shuah

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