linux-kernel - Re: [PATCH v2] Documentation: kunit: Update Kconfig parts for KUNIT's module support

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Date:   Tue, 20 Oct 2020 08:54:56 +0200
From:   SeongJae Park <sjpark@...zon.com>
To:     SeongJae Park <sjpark@...zon.com>
CC:     <brendanhiggins@...gle.com>, SeongJae Park <sjpark@...zon.de>,
        <corbet@....net>, <skhan@...uxfoundation.org>,
        <linux-kselftest@...r.kernel.org>, <kunit-dev@...glegroups.com>,
        <linux-doc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <elver@...gle.com>
Subject: Re: [PATCH v2] Documentation: kunit: Update Kconfig parts for KUNIT's module support

I just realized I missed adding Marco Elver as a recipient, so adding him.
Sorry, Marco.


Thanks,
SeongJae Park

On Tue, 13 Oct 2020 08:37:43 +0200 SeongJae Park <sjpark@...zon.com> wrote:

> From: SeongJae Park <sjpark@...zon.de>
> 
> 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@...zon.de>
> ---
> 
> Changes from v1
> (https://lore.kernel.org/linux-kselftest/20201012105420.5945-1-sjpark@amazon.com/):
> - 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
> +   test does not support module build.  Otherwise, it will trigger compile
> +   errors if ``CONFIG_KUNIT`` is ``m``.
> +
>  Writing new tests for other architectures
>  -----------------------------------------
>  
> -- 
> 2.17.1
>