reproduce (this is a W=1 build): # https://github.com/intel-lab-lkp/linux/commit/500ec14f96dbb4ca3ad2c39349b778c8a25fe0b7 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Pranjal-Shrivastava/iommu-Add-reclaim_list-xarray-to-struct-iommu_domain/20261001-230215 git checkout 500ec14f96dbb4ca3ad2c39349b778c8a25fe0b7 # clang-24 might not be officially released. Try a lower version if installation fails. git clone https://github.com/intel/lkp-tests.git ~/lkp-tests # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-24 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=hexagon olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-24 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash