reproduce (this is a W=1 build): git checkout 9448598b22c50c8a5bb77a9103e2d49f134c9578 b4 shazam https://lore.kernel.org/r/20260122-atlantis-clocks-v2-3-c66371639e66@oss.tenstorrent.com # install um cross compiling tool for clang build # apt-get install binutils-um-linux-gnu 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=$HOME/0day COMPILER=clang-19 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=um olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-19 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=um SHELL=/bin/bash drivers/clk/tenstorrent/