reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        # https://github.com/LuBaolu/intel-iommu/commit/5157215b83e7ab5a8457a87584a85f1126c4c4ce
        git remote add lubaolu-intel-iommu https://github.com/LuBaolu/intel-iommu.git
        git fetch --no-tags lubaolu-intel-iommu vtd-update-for-v6.10
        git checkout 5157215b83e7ab5a8457a87584a85f1126c4c4ce
        # 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/