reproduce: # apt-get install sparse # sparse version: v0.6.4-66-g0196afe1 # https://github.com/intel-lab-lkp/linux/commit/b73804834100fcf664ed94d782d4aacdfd2a8187 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Yu-Kuai/md-raid1-use-md_bitmap_wait_behind_writes-in-raid1_read_request/20240822-110233 git checkout b73804834100fcf664ed94d782d4aacdfd2a8187 # 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 drivers/md/