netdev - Re: [PATCH bpf-next v5 5/5] selftests/bpf: Test load and dump metadata with btftool and skel

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Date:   Mon, 14 Sep 2020 17:31:03 -0700
From:   Andrii Nakryiko <andrii.nakryiko@...il.com>
To:     Stanislav Fomichev <sdf@...gle.com>
Cc:     Networking <netdev@...r.kernel.org>, bpf <bpf@...r.kernel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        YiFei Zhu <zhuyifei1999@...il.com>
Subject: Re: [PATCH bpf-next v5 5/5] selftests/bpf: Test load and dump
 metadata with btftool and skel

On Mon, Sep 14, 2020 at 11:37 AM Stanislav Fomichev <sdf@...gle.com> wrote:
>
> From: YiFei Zhu <zhuyifei@...gle.com>
>
> This is a simple test to check that loading and dumping metadata
> in btftool works, whether or not metadata contents are used by the
> program.
>
> A C test is also added to make sure the skeleton code can read the
> metadata values.
>
> Cc: YiFei Zhu <zhuyifei1999@...il.com>
> Signed-off-by: YiFei Zhu <zhuyifei@...gle.com>
> Signed-off-by: Stanislav Fomichev <sdf@...gle.com>
> ---

Acked-by: Andrii Nakryiko <andriin@...com>

>  tools/testing/selftests/bpf/Makefile          |   3 +-
>  .../selftests/bpf/prog_tests/metadata.c       | 141 ++++++++++++++++++
>  .../selftests/bpf/progs/metadata_unused.c     |  15 ++
>  .../selftests/bpf/progs/metadata_used.c       |  15 ++
>  .../selftests/bpf/test_bpftool_metadata.sh    |  82 ++++++++++
>  5 files changed, 255 insertions(+), 1 deletion(-)
>  create mode 100644 tools/testing/selftests/bpf/prog_tests/metadata.c
>  create mode 100644 tools/testing/selftests/bpf/progs/metadata_unused.c
>  create mode 100644 tools/testing/selftests/bpf/progs/metadata_used.c
>  create mode 100755 tools/testing/selftests/bpf/test_bpftool_metadata.sh
>

[...]