reproduce: # apt-get install sparse # sparse version: v0.6.4-66-g0196afe1 # https://github.com/bytedance/kernel/commit/b0e21ed5b9412dbf0d10b4a027fe130ac0ec166f git remote add bytedance https://github.com/bytedance/kernel.git git fetch --no-tags bytedance 5.15-velinux git checkout b0e21ed5b9412dbf0d10b4a027fe130ac0ec166f # 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 block/