reproduce (this is a W=1 build): 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/7ec6e1787a677f6614f7f991a31a9ac58b539780.1762839776.git.adrianhoyin.ng@altera.com # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # clang-22 might not be officially released. Try a lower version if installation fails. git clone https://github.com/intel/lkp-tests.git ~/lkp-tests # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-22 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-22 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash