reproduce (this is a W=1 build):
        git checkout b4432656b36e5cc1d50a1f2dc15357543add530e
        b4 shazam https://lore.kernel.org/r/20250428125417.102741-8-gmonaco@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 kernel/time/ virt/