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From:   Andrey Konovalov <andreyknvl@gmail.com>
Date:   Tue, 12 Dec 2023 00:37:31 +0100
Message-ID: <CA+fCnZf5kxWUWCzK8EKgUuq_E2rYv5aw=SqZMDb93+=7vSUp+w@mail.gmail.com>
Subject: Re: [PATCH v3 1/3] kasan: switch kunit tests to console tracepoints
To:     =?UTF-8?Q?Paul_Heidekr=C3=BCger?= <paul.heidekrueger@tum.de>
Cc:     Marco Elver <elver@google.com>,
        Steven Rostedt <rostedt@goodmis.org>,
        Peter Collingbourne <pcc@google.com>,
        andrey.konovalov@linux.dev,
        Andrew Morton <akpm@linux-foundation.org>,
        Alexander Potapenko <glider@google.com>,
        Dmitry Vyukov <dvyukov@google.com>,
        Andrey Ryabinin <ryabinin.a.a@gmail.com>,
        kasan-dev@googlegroups.com, linux-mm@kvack.org,
        linux-kernel@vger.kernel.org,
        Andrey Konovalov <andreyknvl@google.com>,
        Masami Hiramatsu <mhiramat@kernel.org>,
        linux-trace-kernel@vger.kernel.org,
        Nick Desaulniers <ndesaulniers@google.com>
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On Tue, Dec 12, 2023 at 12:35=E2=80=AFAM Paul Heidekr=C3=BCger
<paul.heidekrueger@tum.de> wrote:
>
> Using CONFIG_FTRACE=3Dy instead of CONFIG_TRACEPOINTS=3Dy produces the sa=
me error
> for me.
>
> So
>
>         CONFIG_KUNIT=3Dy
>         CONFIG_KUNIT_ALL_TESTS=3Dn
>         CONFIG_FTRACE=3Dy
>         CONFIG_KASAN=3Dy
>         CONFIG_KASAN_GENERIC=3Dy
>         CONFIG_KASAN_KUNIT_TEST=3Dy
>
> produces
>
>         =E2=9E=9C   ./tools/testing/kunit/kunit.py run --kunitconfig=3Dmm=
/kasan/.kunitconfig --arch=3Darm64
>         Configuring KUnit Kernel ...
>         Regenerating .config ...
>         Populating config with:
>         $ make ARCH=3Darm64 O=3D.kunit olddefconfig CC=3Dclang
>         ERROR:root:Not all Kconfig options selected in kunitconfig were i=
n the generated .config.
>         This is probably due to unsatisfied dependencies.
>         Missing: CONFIG_KASAN_KUNIT_TEST=3Dy
>
> By that error message, CONFIG_FTRACE appears to be present in the generat=
ed
> config, but CONFIG_KASAN_KUNIT_TEST still isn't. Presumably,
> CONFIG_KASAN_KUNIT_TEST is missing because of an unsatisfied dependency, =
which
> must be CONFIG_TRACEPOINTS, unless I'm missing something ...
>
> If I just generate an arm64 defconfig and select CONFIG_FTRACE=3Dy,
> CONFIG_TRACEPOINTS=3Dy shows up in my .config. So, maybe this is kunit.py=
-related
> then?
>
> Andrey, you said that the tests have been working for you; are you runnin=
g them
> with kunit.py?

No, I just run the kernel built with a config file that I put together
based on defconfig.