reproduce (this is a W=1 build):
        # https://github.com/l1k/linux/commit/c03892987cf6c02922172ccd72a517bd7790d3b1
        git remote add l1k https://github.com/l1k/linux
        git fetch --no-tags l1k aer_baseline_v1
        git checkout c03892987cf6c02922172ccd72a517bd7790d3b1

        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=$HOME/0day COMPILER=gcc-8.5.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-8.5.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash drivers/pci/pcie/