reproduce (this is a W=1 build):
        # https://github.com/l1k/linux/commit/30e1036dbdbd6541c82a07b8cff9a73aebd620dc
        git remote add l1k https://github.com/l1k/linux
        git fetch --no-tags l1k aer_reset_v1
        git checkout 30e1036dbdbd6541c82a07b8cff9a73aebd620dc
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=i386 olddefconfig
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/pci/pcie/