reproduce (this is a W=1 build):
        # https://github.com/avpatel/linux/commit/81bb986dce08d54e4f8d3d6971dae18608b99244
        git remote add avpatel https://github.com/avpatel/linux.git
        git fetch --no-tags avpatel riscv_defconfig_v1
        git checkout 81bb986dce08d54e4f8d3d6971dae18608b99244
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 olddefconfig
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/acpi/apei/