reproduce (this is a W=1 build):
        git remote add kees https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git
        git fetch kees for-next/hardening
        git checkout kees/for-next/hardening
        b4 shazam https://lore.kernel.org/r/20250507181615.1947159-2-kees@kernel.org
        # 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 arch/x86/entry/ arch/x86/events/ arch/x86/kernel/ arch/x86/lib/ arch/x86/net/ arch/x86/power/ crypto/ drivers/base/ drivers/char/ drivers/cpufreq/ drivers/cpuidle/ drivers/dax/ drivers/devfreq/ drivers/dma-buf/ drivers/gpio/ drivers/gpu/drm/ drivers/i2c/ drivers/idle/ drivers/interconnect/ drivers/mtd/ drivers/regulator/ drivers/siox/ drivers/soc/qcom/ drivers/spmi/ drivers/thermal/ drivers/tty/ drivers/usb/class/ drivers/usb/core/ drivers/usb/gadget/function/ drivers/usb/gadget/legacy/ drivers/usb/typec/ucsi/ drivers/w1/ fs/ init/ io_uring/ ipc/ kernel/ lib/ mm/ samples/ftrace/ samples/trace_events/ security/