reproduce: # apt-get install sparse # sparse version: v0.6.4-52-g1cf3d98c-dirty # https://github.com/intel-lab-lkp/linux/commit/05044206c718b025f2cbd88798d4fd886d14b628 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Bitao-Hu/watchdog-softlockup-low-overhead-detection-of-interrupt-storm/20240130-155029 git checkout 05044206c718b025f2cbd88798d4fd886d14b628 # 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 kernel/