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From:   Daniel Latypov <dlatypov@google.com>
Date:   Wed, 4 May 2022 11:25:14 -0500
Message-ID: <CAGS_qxrz1WoUd5oGa7p1-H2mQVbkRxSTEbqnCG=aBj=xnMu1zQ@mail.gmail.com>
Subject: Re: [PATCH v2] kunit: Taint kernel if any tests run
To:     Luis Chamberlain <mcgrof@kernel.org>
Cc:     David Gow <davidgow@google.com>,
        Shuah Khan <skhan@linuxfoundation.org>,
        Lucas De Marchi <lucas.demarchi@intel.com>,
        Aaron Tomlin <atomlin@redhat.com>,
        linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org,
        Brendan Higgins <brendanhiggins@google.com>,
        Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        Jonathan Corbet <corbet@lwn.net>,
        Andrew Morton <akpm@linux-foundation.org>,
        Kees Cook <keescook@chromium.org>,
        Greg KH <gregkh@linuxfoundation.org>,
        "Guilherme G . Piccoli" <gpiccoli@igalia.com>,
        Sebastian Reichel <sre@kernel.org>,
        John Ogness <john.ogness@linutronix.de>,
        Joe Fradley <joefradley@google.com>,
        kunit-dev@googlegroups.com, linux-kselftest@vger.kernel.org,
        linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
        Jani Nikula <jani.nikula@linux.intel.com>
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On Wed, May 4, 2022 at 9:51 AM Luis Chamberlain <mcgrof@kernel.org> wrote:
> selftests has modules, although I am not sure if there are selftests
> which do not load modules. Shuah?

I'm not Shuah, but there are indeed selftests that don't load modules.

I went looking for an example and found
tools/testing/selftests/bpf/test_doc_build.sh, which runs entirely in
userspace (basically just `make docs`).