reproduce: git remote add openeuler https://gitee.com/openeuler/kernel.git git fetch --no-tags openeuler OLK-5.10 git checkout d48b7d951d22f7f97d68ae7b580769827683d404 make menuconfig # enable CONFIG_COMPILE_TEST, CONFIG_WARN_MISSING_DOCUMENTS, CONFIG_WARN_ABI_ERRORS # install Sphinx 2.4.4 make htmldocs