reproduce: # apt-get install sparse # sparse version: v0.6.4-66-g0196afe1 git remote add openeuler https://gitee.com/openeuler/kernel.git git fetch --no-tags openeuler OLK-5.10 git checkout e037ee4a8deaff7c579618c0aba1f066d6d14b11 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=x86_64 olddefconfig make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/kernel/ arch/x86/kvm/ arch/x86/lib/ drivers/vdpa/ kernel/ mm/