reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/gmonaco/linux.git/commit/?id=226b3ca43ff52df1f35062cc290735bd59cea1cd
        git remote add glemco https://git.kernel.org/pub/scm/linux/kernel/git/gmonaco/linux.git
        git fetch --no-tags glemco staging_rv_tests
        git checkout 226b3ca43ff52df1f35062cc290735bd59cea1cd

        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=$HOME/0day COMPILER=gcc-9.5.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=parisc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.5.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=parisc SHELL=/bin/bash kernel/trace/rv/