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From:   David Gow <davidgow@google.com>
Date:   Tue, 3 Dec 2019 16:55:11 -0800
Message-ID: <CABVgOSnEKQGdzdjLAuGDXMF1WB5ga-ePqmMzQhbCWP=2qiv7ew@mail.gmail.com>
Subject: Re: [PATCH v5 linux-kselftest-test 3/6] kunit: allow kunit tests to
 be loaded as a module
To:     Alan Maguire <alan.maguire@oracle.com>
Cc:     Brendan Higgins <brendanhiggins@google.com>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        KUnit Development <kunit-dev@googlegroups.com>,
        Kees Cook <keescook@chromium.org>,
        Iurii Zaikin <yzaikin@google.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        yamada.masahiro@socionext.com, catalin.marinas@arm.com,
        joe.lawrence@redhat.com, penguin-kernel@i-love.sakura.ne.jp,
        urezki@gmail.com, andriy.shevchenko@linux.intel.com,
        Jonathan Corbet <corbet@lwn.net>, adilger.kernel@dilger.ca,
        tytso@mit.edu, Luis Chamberlain <mcgrof@kernel.org>,
        "open list:DOCUMENTATION" <linux-doc@vger.kernel.org>,
        Knut Omang <knut.omang@oracle.com>
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On Tue, Dec 3, 2019 at 4:08 AM Alan Maguire <alan.maguire@oracle.com> wrote:
>
> As tests are added to kunit, it will become less feasible to execute
> all built tests together.  By supporting modular tests we provide
> a simple way to do selective execution on a running system; specifying
>
> CONFIG_KUNIT=y
> CONFIG_KUNIT_EXAMPLE_TEST=m
>
> ...means we can simply "insmod example-test.ko" to run the tests.
>
> To achieve this we need to do the following:
>
> o export the required symbols in kunit
> o string-stream tests utilize non-exported symbols so for now we skip
>   building them when CONFIG_KUNIT_TEST=m.
> o support a new way of declaring test suites.  Because a module cannot
>   do multiple late_initcall()s, we provide a kunit_test_suites() macro
>   to declare multiple suites within the same module at once.
> o some test module names would have been too general ("test-test"
>   and "example-test" for kunit tests, "inode-test" for ext4 tests);
>   rename these as appropriate ("kunit-test", "kunit-example-test"
>   and "ext4-inode-test" respectively).
>
> Co-developed-by: Knut Omang <knut.omang@oracle.com>
> Signed-off-by: Knut Omang <knut.omang@oracle.com>
> Signed-off-by: Alan Maguire <alan.maguire@oracle.com>
> ---

Acked-by: David Gow <davidgow@google.com> # For list-test