netdev - Re: [PATCH 1/3] selftests/bpf: make test_doc_build.sh work from script directory

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Date:   Thu, 19 Aug 2021 15:08:54 -0700
From:   Song Liu <song@...nel.org>
To:     Li Zhijian <lizhijian@...fujitsu.com>
Cc:     Shuah Khan <shuah@...nel.org>, linux-kselftest@...r.kernel.org,
        Networking <netdev@...r.kernel.org>, bpf <bpf@...r.kernel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        KP Singh <kpsingh@...nel.org>,
        open list <linux-kernel@...r.kernel.org>, philip.li@...el.com,
        yifeix.zhu@...el.com, kernel test robot <lkp@...el.com>
Subject: Re: [PATCH 1/3] selftests/bpf: make test_doc_build.sh work from
 script directory

On Thu, Aug 19, 2021 at 12:27 AM Li Zhijian <lizhijian@...fujitsu.com> wrote:
>
> Previously, it fails as below:
> -------------
> root@...-skl-d01 /opt/rootfs/v5.14-rc4/tools/testing/selftests/bpf# ./test_doc_build.sh
> ++ realpath --relative-to=/opt/rootfs/v5.14-rc4/tools/testing/selftests/bpf ./test_doc_build.sh
> + SCRIPT_REL_PATH=test_doc_build.sh
> ++ dirname test_doc_build.sh
> + SCRIPT_REL_DIR=.
> ++ realpath /opt/rootfs/v5.14-rc4/tools/testing/selftests/bpf/./../../../../
> + KDIR_ROOT_DIR=/opt/rootfs/v5.14-rc4
> + cd /opt/rootfs/v5.14-rc4
> + for tgt in docs docs-clean
> + make -s -C /opt/rootfs/v5.14-rc4/. docs
> make: *** No rule to make target 'docs'.  Stop.
> + for tgt in docs docs-clean
> + make -s -C /opt/rootfs/v5.14-rc4/. docs-clean
> make: *** No rule to make target 'docs-clean'.  Stop.
> -----------
>
> Reported-by: kernel test robot <lkp@...el.com>
> Signed-off-by: Li Zhijian <lizhijian@...fujitsu.com>

Acked-by: Song Liu <songliubraving@...com>

> ---
>  tools/testing/selftests/bpf/test_doc_build.sh | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/tools/testing/selftests/bpf/test_doc_build.sh b/tools/testing/selftests/bpf/test_doc_build.sh
> index ed12111cd2f0..d67ced95a6cf 100755
> --- a/tools/testing/selftests/bpf/test_doc_build.sh
> +++ b/tools/testing/selftests/bpf/test_doc_build.sh
> @@ -4,9 +4,10 @@ set -e
>
>  # Assume script is located under tools/testing/selftests/bpf/. We want to start
>  # build attempts from the top of kernel repository.
> -SCRIPT_REL_PATH=$(realpath --relative-to=$PWD $0)
> +SCRIPT_REL_PATH=$(realpath $0)
>  SCRIPT_REL_DIR=$(dirname $SCRIPT_REL_PATH)
> -KDIR_ROOT_DIR=$(realpath $PWD/$SCRIPT_REL_DIR/../../../../)
> +KDIR_ROOT_DIR=$(realpath $SCRIPT_REL_DIR/../../../../)
> +SCRIPT_REL_DIR=$(dirname $(realpath --relative-to=$KDIR_ROOT_DIR $SCRIPT_REL_PATH))
>  cd $KDIR_ROOT_DIR
>
>  for tgt in docs docs-clean; do
> --
> 2.32.0
>
>
>