reproduce: # apt-get install sparse # sparse version: v0.6.4-39-gce1a6720-dirty # https://github.com/intel-lab-lkp/linux/commit/b2af4eeab87af8defafc86c60d500b8ffba4cd66 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Sumit-Gupta/ACPI-thermal-Add-Thermal-fast-Sampling-Period-_TFP-support/20230914-004929 git checkout b2af4eeab87af8defafc86c60d500b8ffba4cd66 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 olddefconfig make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash drivers/acpi/