reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        # https://github.com/amir73il/linux/commit/cef314fc4b9e924b574214917dacc41af5f576f8
        git remote add amir73il https://github.com/amir73il/linux
        git fetch --no-tags amir73il fan_default_mask
        git checkout cef314fc4b9e924b574214917dacc41af5f576f8
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-14.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-14.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash fs/notify/