reproduce (this is a W=1 build):
        # https://github.com/brauner/linux/commit/a10d59280d7b23ada7da469b3cbf899bc90c8a74
        git remote add brauner-github https://github.com/brauner/linux.git
        git fetch --no-tags brauner-github work.fd.prepare.scoped
        git checkout a10d59280d7b23ada7da469b3cbf899bc90c8a74

        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=$HOME/0day COMPILER=gcc-10.5.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.5.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/hv/