reproduce (this is a W=1 build):
        git checkout 80234b5ab240f52fa45d201e899e207b9265ef91
        b4 shazam https://lore.kernel.org/r/20260504-kunit_add_support-v8-4-3e5957cdd235@redhat.com

        # 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/gpu/drm/ drivers/net/wireless/mediatek/mt76/mt7925/