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

From: Shuah Khan <[email-masked]>
Date: Mon, 18 Aug 2025 10:32:41 -0600

On 8/17/25 20:08, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the kunit-next tree, today's linux-next build (x86_64
> allmodconfig) failed like this:

Thank you Stephen. I did a allmodconfig build on 6.17-rc1 base - didn't
see the error.

Marie, David, can you take a look this. Looks like conflict with drm
in next?

> 
> In file included from include/kunit/static_stub.h:18,
>                   from drivers/gpu/drm/xe/xe_bo.c:20:
> drivers/gpu/drm/xe/tests/xe_bo.c:610:48: error: initialization of 'const void * (*)(struct kunit *, const void *, char *)' from incompatible pointer type 'const void * (*)(const void *, char *)' [-Wincompatible-pointer-types]
>    610 |         KUNIT_CASE_PARAM(xe_ccs_migrate_kunit, xe_pci_live_device_gen_param),
>        |                                                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
> include/kunit/test.h:210:38: note: in definition of macro 'KUNIT_CASE_PARAM'
>    210 |                   .generate_params = gen_params, .module_name = KBUILD_MODNAME}
>        |                                      ^~~~~~~~~~
> drivers/gpu/drm/xe/tests/xe_bo.c:610:48: note: (near initialization for 'xe_bo_tests[0].generate_params')
>    610 |         KUNIT_CASE_PARAM(xe_ccs_migrate_kunit, xe_pci_live_device_gen_param),
>        |                                                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
> include/kunit/test.h:210:38: note: in definition of macro 'KUNIT_CASE_PARAM'
>    210 |                   .generate_params = gen_params, .module_name = KBUILD_MODNAME}
>        |                                      ^~~~~~~~~~
> drivers/gpu/drm/xe/tests/xe_bo.c:611:45: error: initialization of 'const void * (*)(struct kunit *, const void *, char *)' from incompatible pointer type 'const void * (*)(const void *, char *)' [-Wincompatible-pointer-types]
>    611 |         KUNIT_CASE_PARAM(xe_bo_evict_kunit, xe_pci_live_device_gen_param),
>        |                                             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
> include/kunit/test.h:210:38: note: in definition of macro 'KUNIT_CASE_PARAM'
>    210 |                   .generate_params = gen_params, .module_name = KBUILD_MODNAME}
>        |                                      ^~~~~~~~~~
> drivers/gpu/drm/xe/tests/xe_bo.c:611:45: note: (near initialization for 'xe_bo_tests[1].generate_params')
>    611 |         KUNIT_CASE_PARAM(xe_bo_evict_kunit, xe_pci_live_device_gen_param),
>        |                                             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
> include/kunit/test.h:210:38: note: in definition of macro 'KUNIT_CASE_PARAM'
>    210 |                   .generate_params = gen_params, .module_name = KBUILD_MODNAME}
>        |                                      ^~~~~~~~~~
> drivers/gpu/drm/xe/tests/xe_bo.c:624:51: error: initialization of 'const void * (*)(struct kunit *, const void *, char *)' from incompatible pointer type 'const void * (*)(const void *, char *)' [-Wincompatible-pointer-types]
>    624 |         KUNIT_CASE_PARAM_ATTR(xe_bo_shrink_kunit, xe_pci_live_device_gen_param,
>        |                                                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
> include/kunit/test.h:223:38: note: in definition of macro 'KUNIT_CASE_PARAM_ATTR'
>    223 |                   .generate_params = gen_params,                                \
>        |                                      ^~~~~~~~~~
> drivers/gpu/drm/xe/tests/xe_bo.c:624:51: note: (near initialization for 'xe_bo_shrink_test[0].generate_params')
>    624 |         KUNIT_CASE_PARAM_ATTR(xe_bo_shrink_kunit, xe_pci_live_device_gen_param,
>        |                                                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
> include/kunit/test.h:223:38: note: in definition of macro 'KUNIT_CASE_PARAM_ATTR'
>    223 |                   .generate_params = gen_params,                                \
>        |                                      ^~~~~~~~~~
> 
> Caused by commit
> 
>    444be9072fca ("kunit: Pass parameterized test context to generate_params()")
> 
> I have used the kunit-next tree from next-20250815 for today.
> 

thanks,
-- Shuah