reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        # install arm cross compiling tool for clang build
        # apt-get install binutils-arm-linux-gnueabi
        # https://github.com/norov/linux/commit/23228578687634d7bb126bd87e3750780f409e66
        git remote add norov https://github.com/norov/linux
        git fetch --no-tags norov bitmap-split
        git checkout 23228578687634d7bb126bd87e3750780f409e66
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-14 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-14 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash arch/arm/mm/ drivers/dma/ti/ drivers/gpio/ drivers/gpu/drm/etnaviv/ drivers/iio/ drivers/iommu/ drivers/irqchip/ drivers/media/platform/samsung/s5p-mfc/ drivers/pci/controller/ drivers/pci/endpoint/ drivers/usb/dwc2/ kernel/dma/ mm/