reproduce (this is a W=1 build):
        # https://github.com/cilium/linux/commit/8b33e9b1c0bee6f058cbe6cf57915e49e58baa9d
        git remote add cilium https://github.com/cilium/linux.git
        git fetch --no-tags cilium pr/netkit-iouring19
        git checkout 8b33e9b1c0bee6f058cbe6cf57915e49e58baa9d

        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=$HOME/0day COMPILER=clang-20 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-20 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/net/ethernet/mellanox/mlx5/core/