reproduce (this is a W=1 build): git clone https://github.com/intel/lkp-tests.git ~/lkp-tests git remote add usb https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git git fetch usb usb-testing git checkout usb/usb-testing b4 shazam https://lore.kernel.org/r/20240821121048.31566-3-liulei.rjpt@vivo.com # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-14.1.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=s390 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-14.1.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash arch/s390/kernel/ drivers/usb/gadget/udc/ drivers/usb/musb/ kernel/trace/