reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        # https://github.com/TinaZhangZW/linux/commit/74540430ca110f26be1eab1c6f36e915e3d94d66
        git remote add tinazhangzw https://github.com/TinaZhangZW/linux.git
        git fetch --no-tags tinazhangzw per-iommu_IOTLB_invalidation-20240109
        git checkout 74540430ca110f26be1eab1c6f36e915e3d94d66
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-17 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-17 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/iommu/intel/