linux-kernel - Re: [PATCH v2 linux-kselftest-test 2/3] kunit: allow kunit to be loaded as a module

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Date:   Tue, 8 Oct 2019 08:13:30 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Alan Maguire <alan.maguire@...cle.com>,
        linux-kselftest@...r.kernel.org, brendanhiggins@...gle.com,
        skhan@...uxfoundation.org
Cc:     mcgrof@...nel.org, keescook@...omium.org, yzaikin@...gle.com,
        akpm@...ux-foundation.org, yamada.masahiro@...ionext.com,
        catalin.marinas@....com, joe.lawrence@...hat.com,
        penguin-kernel@...ove.sakura.ne.jp, schowdary@...dia.com,
        urezki@...il.com, andriy.shevchenko@...ux.intel.com,
        changbin.du@...el.com, kunit-dev@...glegroups.com,
        linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        Knut Omang <knut.omang@...cle.com>
Subject: Re: [PATCH v2 linux-kselftest-test 2/3] kunit: allow kunit to be
 loaded as a module

On 10/8/19 7:55 AM, Alan Maguire wrote:
> Making kunit itself buildable as a module allows for "always-on"
> kunit configuration; specifying CONFIG_KUNIT=m means the module
> is built but only used when loaded.  Kunit test modules will load
> kunit.ko as an implicit dependency, so simply running
> "modprobe my-kunit-tests" will load the tests along with the kunit
> module and run them.
> 
> Signed-off-by: Alan Maguire <alan.maguire@...cle.com>
> Signed-off-by: Knut Omang <knut.omang@...cle.com>
> 
> ---
>  lib/kunit/Kconfig  | 2 +-
>  lib/kunit/Makefile | 4 +++-
>  lib/kunit/test.c   | 4 ++++
>  3 files changed, 8 insertions(+), 2 deletions(-)

> diff --git a/lib/kunit/test.c b/lib/kunit/test.c
> index e7896f1..6024627 100644
> --- a/lib/kunit/test.c
> +++ b/lib/kunit/test.c
> @@ -484,3 +484,7 @@ void kunit_cleanup(struct kunit *test)
>  	}
>  }
>  EXPORT_SYMBOL_GPL(kunit_cleanup);
> +
> +#ifdef MODULE
> +MODULE_LICENSE("GPL");
> +#endif /* MODULE */

That ifdef/endif should not be necessary.
Did you try a modular build without them?

-- 
~Randy