reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2034d90ae41ae93e30d492ebcf1f06f97a9cfba6
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 2034d90ae41ae93e30d492ebcf1f06f97a9cfba6
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-14.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=csky olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-14.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=csky SHELL=/bin/bash block/partitions/ drivers/android/ drivers/dma/xilinx/ drivers/gpu/drm/ drivers/hwmon/ drivers/hwtracing/intel_th/ drivers/memstick/core/ drivers/memstick/host/ drivers/net/ethernet/sfc/ drivers/scsi/mpi3mr/ drivers/thermal/ drivers/tty/ drivers/usb/dwc2/ drivers/usb/host/ fs/gfs2/ kernel/ lib/ net/8021q/ net/ipv4/