On 7/15/22 03:59, Javier Martinez Canillas wrote: > On 7/15/22 02:03, Daniel Latypov wrote: >> On Thu, Jul 14, 2022 at 4:51 PM Guenter Roeck <linux@xxxxxxxxxxxx> wrote: >>> >>> On Fri, Jul 08, 2022 at 05:30:47PM -0300, Maíra Canal wrote: >>>> Considering the current adoption of the KUnit framework, convert the >>>> DRM format selftest to the KUnit API. >>>> >>>> Tested-by: David Gow <davidgow@xxxxxxxxxx> >>>> Acked-by: Daniel Latypov <dlatypov@xxxxxxxxxx> >>>> Reviewed-by: Javier Martinez Canillas <javierm@xxxxxxxxxx> >>>> Signed-off-by: Maíra Canal <maira.canal@xxxxxx> >>> >>> This patch results in: >>> >>> Building powerpc:allmodconfig ... failed >>> -------------- >>> Error log: >>> drivers/gpu/drm/tests/drm_format_test.c: In function 'igt_check_drm_format_min_pitch': >>> drivers/gpu/drm/tests/drm_format_test.c:271:1: error: the frame size of 3712 bytes is larger than 2048 bytes >>> >>> presumably due to function nesting. >> >> This can happen when there's a lot of KUNIT_EXPECT_* calls in a single function. >> See [1] for some related context. >> There were a number of patches that went into 5.18 ([2] and others) to >> try and mitigate this, but it's not always enough. >> >> Ideally the compiler would see that the stack-local variables used in >> these macros don't need to stick around, but it doesn't always >> happen... > > Thanks Daniel for the explanation. > >> One workaround would be to split up the test case functions into smaller chunks. >> > > Maíra, > > Could you please look at splitting in smaller chunks to mitigate this issue ? I'll look into this during the weekend. Thanks Guenter for the report. Best Regards, - Maíra Canal >
