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

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Message-ID: <be2e812c-3898-4be8-8a9d-e221acb837c3@linuxfoundation.org>
Date: Thu, 29 Feb 2024 08:07:10 -0700
From: Shuah Khan <skhan@...uxfoundation.org>
To: Stephen Rothwell <sfr@...b.auug.org.au>,
 Brendan Higgins <brendanhiggins@...gle.com>,
 Daniel Vetter <daniel.vetter@...ll.ch>
Cc: Intel Graphics <intel-gfx@...ts.freedesktop.org>,
 DRI <dri-devel@...ts.freedesktop.org>,
 Christian König <christian.koenig@....com>,
 Matthew Auld <matthew.auld@...el.com>, David Gow <davidgow@...gle.com>,
 Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
 Linux Next Mailing List <linux-next@...r.kernel.org>,
 Shuah Khan <skhan@...uxfoundation.org>
Subject: Re: linux-next: build failure after merge of the kunit-next tree

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.

> From: Stephen Rothwell <sfr@...b.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@...b.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