reproduce (this is a W=1 build): git clone https://github.com/intel/lkp-tests.git ~/lkp-tests # https://github.com/gestionlin/linux/commit/ec46c0c4fe8ec793a5b918d5996fca2097581589 git remote add linyunsheng https://github.com/gestionlin/linux.git git fetch --no-tags linyunsheng mpmc git checkout ec46c0c4fe8ec793a5b918d5996fca2097581589 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-19 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-19 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash mm/