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References: <20230117165039.1871598-1-arnd@kernel.org> <CABVgOSnAFM3HozugcOdmgEBja7Q5n1OYkV+ZJ+uFnCaWDTVneQ@mail.gmail.com>
 <20230118110215.yexhgghqmmmkibsi@houat>
In-Reply-To: <20230118110215.yexhgghqmmmkibsi@houat>
From:   David Gow <davidgow@google.com>
Date:   Fri, 20 Jan 2023 14:13:21 +0800
Message-ID: <CABVgOSmZzB1rHrgLUBD316su62NbBHpyZ4a3pLWAxqN5u3x9oA@mail.gmail.com>
Subject: Re: [PATCH] kunit: Export kunit_running()
To:     Maxime Ripard <maxime@cerno.tech>
Cc:     Arnd Bergmann <arnd@kernel.org>,
        Brendan Higgins <brendan.higgins@linux.dev>,
        Arnd Bergmann <arnd@arndb.de>,
        Shuah Khan <skhan@linuxfoundation.org>,
        Daniel Latypov <dlatypov@google.com>,
        Jeremy Kerr <jk@codeconstruct.com.au>,
        Joe Fradley <joefradley@google.com>,
        Javier Martinez Canillas <javierm@redhat.com>,
        =?UTF-8?B?TWHDrXJhIENhbmFs?= <mcanal@igalia.com>,
        linux-kselftest@vger.kernel.org, kunit-dev@googlegroups.com,
        linux-kernel@vger.kernel.org
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On Wed, 18 Jan 2023 at 19:02, Maxime Ripard <maxime@cerno.tech> wrote:
>
> Hi David, Arnd,
>
> Thanks for fixing this issue
>
> On Wed, Jan 18, 2023 at 08:37:26AM +0800, David Gow wrote:
> > On Wed, 18 Jan 2023 at 00:50, Arnd Bergmann <arnd@kernel.org> wrote:
> > >
> > > From: Arnd Bergmann <arnd@arndb.de>
> > >
> > > Using kunit_fail_current_test() in a loadable module causes a link
> > > error like:
> > >
> > > ERROR: modpost: "kunit_running" [drivers/gpu/drm/vc4/vc4.ko] undefined!
> > >
> > > Export the symbol to allow using it from modules.
> > >
> > > Fixes: da43ff045c3f ("drm/vc4: tests: Fail the current test if we access a register")
> > > Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> > > ---
> >
> > Thanks for fixing this!
> >
> > I think the longer-term solution for this is the "hooks" approach
> > (which works even when KUnit itself is built as a module):
> > https://lore.kernel.org/all/20230117142737.246446-1-davidgow@google.com/
> >
> > But this looks good to fix it in the meantime.
> >
> > Reviewed-by: David Gow <davidgow@google.com>
>
> How do you want to merge that patch? Will you take it through your tree?
>

We'll take this via the kunit/kselftest tree, thanks!

Cheers,
-- David

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