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/jgunthorpe/linux/commit/bb5724174c5b2c69cedd40f606284b484ed44666 git remote add jgunthorpe https://github.com/jgunthorpe/linux git fetch --no-tags jgunthorpe smmuv3_nesting git checkout bb5724174c5b2c69cedd40f606284b484ed44666 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-14.1.0 ~/lkp-tests/kbuild/make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=arm64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-14.1.0 ~/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 drivers/hv/ drivers/iommu/arm/arm-smmu-v3/