reproduce: # apt-get install sparse # sparse version: v0.6.4-66-g0196afe1 # https://github.com/intel-lab-lkp/linux/commit/f680a5c4576a0b06491258c18fbb547350c5da1b git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Derek-J-Clark/platform-x86-Add-lenovo-wmi-driver-Documentation/20250505-123422 git checkout f680a5c4576a0b06491258c18fbb547350c5da1b # 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=i386 olddefconfig make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=i386 SHELL=/bin/bash drivers/platform/x86/ fs/f2fs/