reproduce (this is a W=1 build):
        git remote add amd-pstate https://git.kernel.org/pub/scm/linux/kernel/git/superm1/linux.git
        git fetch amd-pstate bleeding-edge
        git checkout amd-pstate/bleeding-edge
        b4 shazam https://lore.kernel.org/r/20240926095344.1291013-4-luke@ljones.dev
        # 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