reproduce: # apt-get install sparse # sparse version: v0.6.4-39-gce1a6720-dirty # https://github.com/intel-lab-lkp/linux/commit/89a8937b0159cd0811ffe8c861ce943213eeed93 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review ukasz-Bartosik/dyndbg-add-_DPRINTK_FLAGS_ENABLED/20231103-212105 git checkout 89a8937b0159cd0811ffe8c861ce943213eeed93 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 olddefconfig make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash lib/