Re: [PATCH v4] drm/tests: Add back seed value information

From: Maíra Canal
Date: Fri Oct 28 2022 - 16:55:03 EST


Hi Arthur,

Just a small nit below, but besides that:

Reviewed-by: Maíra Canal <mairacanal@xxxxxxxxxx>

On 10/28/22 11:17, Arthur Grillo wrote:
> As reported by Michał the drm_mm and drm_buddy unit tests lost the
> printk with seed value after they were refactored into KUnit.
>
> Add kunit_info with seed value information to assure reproducibility.
>
> Reported-by: Michał Winiarski <michal.winiarski@xxxxxxxxx>
> Signed-off-by: Arthur Grillo <arthurgrillo@xxxxxxxxxx>
> ---
> v1->v2: https://lore.kernel.org/all/20221026211458.68432-1-arthurgrillo@xxxxxxxxxx/
> - Correct compilation issues
> - Change tags order
> - Remove useless line change
> - Write commit message in imperative form
> - Remove redundant message part
> - Correct some grammars nits
> - Correct checkpatch issues
>
> v2->v3: https://lore.kernel.org/all/20221027142903.200169-1-arthurgrillo@xxxxxxxxxx/
> - Change .init to .suite_init
> - Correct some grammars nits
>
> v3->v4:
> - Correct compilation issues
>
> ---
> drivers/gpu/drm/tests/drm_buddy_test.c | 6 ++++--
> drivers/gpu/drm/tests/drm_mm_test.c | 8 ++++++--
> 2 files changed, 10 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/tests/drm_buddy_test.c b/drivers/gpu/drm/tests/drm_buddy_test.c
> index 62f69589a72d..90ec5e8a485b 100644
> --- a/drivers/gpu/drm/tests/drm_buddy_test.c
> +++ b/drivers/gpu/drm/tests/drm_buddy_test.c
> @@ -726,11 +726,13 @@ static void drm_test_buddy_alloc_limit(struct kunit *test)
> drm_buddy_fini(&mm);
> }
>
> -static int drm_buddy_init_test(struct kunit *test)
> +static int drm_buddy_init_suite(struct kunit_suite *suite)

Just to keep complaint to the rest of the KUnit tests (such as kcsan,
kfence, kmsan), could you change "init_suite" to "suite_init"? Same
thing for the drm_mm test.

Thanks for the quick respin of the patch!

Best Regards,
- Maíra Canal

> {
> while (!random_seed)
> random_seed = get_random_u32();
>
> + kunit_info(suite, "Testing DRM buddy manager, with random_seed=0x%x\n", random_seed);
> +
> return 0;
> }
>
> @@ -746,7 +748,7 @@ static struct kunit_case drm_buddy_tests[] = {
>
> static struct kunit_suite drm_buddy_test_suite = {
> .name = "drm_buddy",
> - .init = drm_buddy_init_test,
> + .suite_init = drm_buddy_init_suite,
> .test_cases = drm_buddy_tests,
> };
>