reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-66-g0196afe1
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=8dfa57aabff625bf445548257f7711ef294cd30e
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout 8dfa57aabff625bf445548257f7711ef294cd30e
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=x86_64 olddefconfig
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/coco/sev/ arch/x86/crypto/ arch/x86/events/ arch/x86/hyperv/ arch/x86/kernel/ arch/x86/kvm/ arch/x86/mm/ arch/x86/pci/ arch/x86/platform/efi/ arch/x86/platform/intel/ block/ crypto/ drivers/acpi/ drivers/base/ drivers/bus/mhi/ep/ drivers/bus/mhi/host/ drivers/char/ drivers/clk/ drivers/comedi/ drivers/counter/ drivers/cpufreq/ drivers/cpuidle/ drivers/crypto/intel/iaa/ drivers/crypto/intel/qat/qat_common/ drivers/crypto/virtio/ drivers/cxl/ drivers/dma-buf/ drivers/dma/ drivers/extcon/ drivers/firewire/ drivers/firmware/efi/ drivers/fpga/ drivers/fsi/ drivers/fwctl/ drivers/gpio/ drivers/greybus/ drivers/hte/ drivers/hv/ drivers/hwmon/ drivers/hwspinlock/ drivers/hwtracing/intel_th/ drivers/hwtracing/stm/ drivers/i2c/ drivers/i3c/ drivers/input/ drivers/interconnect/ drivers/ipack/carriers/ drivers/leds/ drivers/mailbox/ drivers/media/rc/ drivers/memstick/core/ drivers/memstick/host/ drivers/mfd/ drivers/misc/ drivers/ntb/ drivers/of/ drivers/parport/ drivers/pci/ drivers/pcmcia/ drivers/platform/goldfish/ drivers/power/supply/ drivers/powercap/ drivers/pps/ drivers/ptp/ drivers/rapidio/ drivers/ras/amd/atl/ drivers/regulator/ drivers/reset/ drivers/rpmsg/ drivers/rtc/ drivers/spi/ drivers/target/ drivers/tee/ drivers/thermal/intel/ drivers/tty/ drivers/usb/early/ drivers/usb/host/ drivers/vfio/ drivers/video/fbdev/ drivers/virt/vboxguest/ drivers/virtio/ drivers/w1/ drivers/watchdog/ fs/ init/ io_uring/ kernel/ lib/ mm/ net/9p/ security/keys/ sound/core/ sound/drivers/mpu401/ sound/drivers/opl3/ sound/drivers/vx/ sound/hda/ sound/i2c/other/ sound/isa/sb/ sound/pci/ sound/virtio/ virt/