Re: [PATCH] kunit: Fix 'hooks.o' build by recursing into kunit

[Brendan Higgins]

On Fri, Feb 24, 2023 at 8:45 PM 'David Gow' via KUnit Development
<kunit-dev@xxxxxxxxxxxxxxxx> wrote:
>
> KUnit's 'hooks.o' file need to be built-in whenever KUnit is enabled
> (even if CONFIG_KUNIT=m). We'd previously attemtped to do this by adding
> 'kunit/hooks.o' to obj-y in lib/Makefile, but this caused hooks.c to be
> rebuilt even when it was unchanged.
>
> Instead, always recurse into lib/kunit using obj-y when KUnit is
> enabled, and add the hooks there.
>
> Fixes: 7170b7ed6acb ("kunit: Add "hooks" to call into KUnit when it's built as a module").
> Reported-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
> Link: https://lore.kernel.org/linux-kselftest/CAHk-=wiEf7irTKwPJ0jTMOF3CS-13UXmF6Fns3wuWpOZ_wGyZQ@xxxxxxxxxxxxxx/
> Signed-off-by: David Gow <davidgow@xxxxxxxxxx>

Reviewed-by: Brendan Higgins <brendanhiggins@xxxxxxxxxx>