reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/hare/nvme.git/commit/?id=04e4f1368f8ff23feef8b02cba8c03732228faa7 git remote add hare-nvme https://git.kernel.org/pub/scm/linux/kernel/git/hare/nvme.git git fetch --no-tags hare-nvme dhchap-keyring.v3 git checkout 04e4f1368f8ff23feef8b02cba8c03732228faa7 # install riscv cross compiling tool for clang build # apt-get install binutils-riscv64-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=$HOME/0day COMPILER=clang-16 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=riscv olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-16 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/nvme/common/