reproduce:
        git remote add anolis-intel-cloud https://gitee.com/anolis/intel-cloud-kernel.git
        git fetch --no-tags anolis-intel-cloud devel-5.10
        git checkout a5b6787ab3e6b6798c078c619aa1958ffd718f93
        make menuconfig
        # enable CONFIG_COMPILE_TEST, CONFIG_WARN_MISSING_DOCUMENTS, CONFIG_WARN_ABI_ERRORS
        # pip install -r Documentation/sphinx/requirements.txt
        make htmldocs