reproduce (this is a W=1 build): git clone https://github.com/intel/lkp-tests.git ~/lkp-tests # https://github.com/xinli-intel/linux-fred-public/commit/8545a8c57be37b958b3d0f22aa32590d4b0f32d5 git remote add xinli-intel-fred-public https://github.com/xinli-intel/linux-fred-public.git git fetch --no-tags xinli-intel-fred-public fix_sp_calculation git checkout 8545a8c57be37b958b3d0f22aa32590d4b0f32d5 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-18 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-18 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/kvm/