reproduce:
        # https://github.com/intel/linux-intel-lts/commit/b50d2a7550d5cf9d63171d44eda4bdc124c0dd1e
        git remote add intel-lts https://github.com/intel/linux-intel-lts.git
        git fetch --no-tags intel-lts 6.18/linux
        git checkout b50d2a7550d5cf9d63171d44eda4bdc124c0dd1e
        make menuconfig
        # enable CONFIG_COMPILE_TEST, CONFIG_WARN_MISSING_DOCUMENTS, CONFIG_WARN_ABI_ERRORS
        # pip install -r Documentation/sphinx/requirements.txt
        make htmldocs