reproduce: # apt-get install sparse # sparse version: v0.6.4-66-g0196afe1 # https://github.com/intel-lab-lkp/linux/commit/5dbcd9125bede214787c34c9384de0728d0f4d09 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Cindy-Lu/vhost-Add-kthread-support-in-function-vhost_worker_queue/20240909-110046 git checkout 5dbcd9125bede214787c34c9384de0728d0f4d09 # 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