reproduce (this is a W=1 build):
        git checkout 8e7460eac786c72f48c4e04ce9be692b939428ce
        b4 shazam https://lore.kernel.org/r/20251222-vkms-all-config-v3-18-ba42dc3fb9ff@bootlin.com

        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=$HOME/0day COMPILER=clang-20 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=i386 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-20 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash arch/x86/kernel/apic/ drivers/gpu/drm/vkms/ drivers/rapidio/devices/