reproduce (this is a W=1 build): git clone https://github.com/intel/lkp-tests.git ~/lkp-tests # install arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://github.com/brauner/linux/commit/52ef01ce9c2dafcc67b4657dd2991d097ab2f0a7 git remote add brauner-github https://github.com/brauner/linux.git git fetch --no-tags brauner-github work.cred git checkout 52ef01ce9c2dafcc67b4657dd2991d097ab2f0a7 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-20 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-20 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash io_uring/