reproduce: git clone https://github.com/intel/lkp-tests.git ~/lkp-tests # apt-get install sparse # sparse version: v0.6.4-66-g0196afe1 # https://github.com/intel-lab-lkp/linux/commit/2de3edda3d7ff80b40fbb96feeb59dea685bd9f4 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Nicolin-Chen/iommufd-Keep-OBJ-IOCTL-lists-in-an-alphabetical-order/20250108-011247 git checkout 2de3edda3d7ff80b40fbb96feeb59dea685bd9f4 # save the config file mkdir build_dir && cp config build_dir/.config ~/lkp-tests/kbuild/make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=arm64 olddefconfig ~/lkp-tests/kbuild/make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=arm64 SHELL=/bin/bash arch/arm64/kernel/ drivers/iommu/arm/arm-smmu-v3/