reproduce (this is a W=1 build):
        # https://github.com/nunojsa/linux/commit/5df21ca246e1457998e7b8460a088a74f6157c98
        git remote add nsa https://github.com/nunojsa/linux
        git fetch --no-tags nsa xlnx/fix/buf-mmap-multibuffer
        git checkout 5df21ca246e1457998e7b8460a088a74f6157c98

        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=$HOME/0day COMPILER=gcc-16.1.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=alpha olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-16.1.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=alpha SHELL=/bin/bash drivers/net/mqnic/