On Tue, Oct 13, 2020 at 2:38 PM 'SeongJae Park' via KUnit Development
<kunit-dev@xxxxxxxxxxxxxxxx> wrote:
>
> From: SeongJae Park <sjpark@xxxxxxxxx>
>
> If 'CONFIG_KUNIT=m', letting kunit tests that do not support loadable
> module build depends on 'KUNIT' instead of 'KUNIT=y' result in compile
> errors. This commit updates the document for this.
>
> Fixes: 9fe124bf1b77 ("kunit: allow kunit to be loaded as a module")
> Signed-off-by: SeongJae Park <sjpark@xxxxxxxxx>
Sorry for the delay in looking at this. Apart from another minuscule
typo below, this looks good to me.
Reviewed-by: David Gow <davidgow@xxxxxxxxxx>
Cheers,
-- David
> ---
>
> Changes from v1
> (https://lore.kernel.org/linux-kselftest/20201012105420.5945-1-sjpark@xxxxxxxxxx/):
> - Fix a typo (Marco Elver)
>
> ---
> Documentation/dev-tools/kunit/start.rst | 2 +-
> Documentation/dev-tools/kunit/usage.rst | 5 +++++
> 2 files changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/dev-tools/kunit/start.rst b/Documentation/dev-tools/kunit/start.rst
> index d23385e3e159..454f307813ea 100644
> --- a/Documentation/dev-tools/kunit/start.rst
> +++ b/Documentation/dev-tools/kunit/start.rst
> @@ -197,7 +197,7 @@ Now add the following to ``drivers/misc/Kconfig``:
>
> config MISC_EXAMPLE_TEST
> bool "Test for my example"
> - depends on MISC_EXAMPLE && KUNIT
> + depends on MISC_EXAMPLE && KUNIT=y
>
> and the following to ``drivers/misc/Makefile``:
>
> diff --git a/Documentation/dev-tools/kunit/usage.rst b/Documentation/dev-tools/kunit/usage.rst
> index 3c3fe8b5fecc..b331f5a5b0b9 100644
> --- a/Documentation/dev-tools/kunit/usage.rst
> +++ b/Documentation/dev-tools/kunit/usage.rst
> @@ -556,6 +556,11 @@ Once the kernel is built and installed, a simple
>
> ...will run the tests.
>
> +.. note::
> + Note that you should make your test depends on ``KUNIT=y`` in Kconfig if the
nit: Grammatically, this should technically be either "depend" (2nd
person), or something like "make sure [that] your test depends".
> + test does not support module build. Otherwise, it will trigger compile
> + errors if ``CONFIG_KUNIT`` is ``m``.
> +
Someday it'd be nice to better discuss the reasons a test suite might
not be compilable as a module. It's probably outside the scope of this
commit to do it properly, though.
> Writing new tests for other architectures
> -----------------------------------------
>
> --
> 2.17.1
>
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