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 5366c73be32b4b8715e98b5d1922009bc9ab5377
        make menuconfig
        # enable CONFIG_COMPILE_TEST, CONFIG_WARN_MISSING_DOCUMENTS, CONFIG_WARN_ABI_ERRORS
        # pip install -r Documentation/sphinx/requirements.txt
        make htmldocs