reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/6b1c8e13cfa183b7e8544c8654a87c5c7c18917f
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Jinpyo-Lee/nfs-localio-pin-clients-during-global-invalidation/20260930-145053
        git checkout 6b1c8e13cfa183b7e8544c8654a87c5c7c18917f

        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests

        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.5.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=nios2 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.5.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=nios2 SHELL=/bin/bash