reproduce (this is a W=1 build):
        git checkout a5652f0f2a69fadcfb2f687a11a737a57f15b28e
        b4 shazam https://lore.kernel.org/r/20251013143444.3999-42-david.kaplan@amd.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/