reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        # install powerpc64 cross compiling tool for clang build
        # apt-get install binutils-powerpc64le-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/hare/nvme.git/commit/?id=07a5113f110b146bff44efafd623d3c0e87d9118
        git remote add hare-nvme https://git.kernel.org/pub/scm/linux/kernel/git/hare/nvme.git
        git fetch --no-tags hare-nvme secure-concat.v9
        git checkout 07a5113f110b146bff44efafd623d3c0e87d9118
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-14 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=powerpc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-14 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash drivers/nvme/common/