reproduce:
        # https://github.com/intel-lab-lkp/linux/commit/7858c2cc567eace0010e1727aabb1967f14c98f8
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Kaitao-Cheng/list-Add-mutable-iterator-variants/20260622-193620
        git checkout 7858c2cc567eace0010e1727aabb1967f14c98f8
        make menuconfig
        # enable CONFIG_COMPILE_TEST, CONFIG_WARN_MISSING_DOCUMENTS, CONFIG_WARN_ABI_ERRORS
        # pip install -r Documentation/sphinx/requirements.txt
        make htmldocs