tree: https://github.com/intel/linux-intel-lts.git 5.10/yocto head: cf38367ce677bada8f362a6482c80b2d30b64d1c commit: 27ae0fd03f48a0699381fafa866f6977b3c3fcdc [19431/19822] drm/i915/guc: Implement multi-lrc submission config: x86_64-randconfig-s021-20211219 (https://download.01.org/0day-ci/archive/20211219/202112190517.TskdtOA4-lk...) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.4-dirty # https://github.com/intel/linux-intel-lts/commit/27ae0fd03f48a0699381fafa8... git remote add intel-lts https://github.com/intel/linux-intel-lts.git git fetch --no-tags intel-lts 5.10/yocto git checkout 27ae0fd03f48a0699381fafa866f6977b3c3fcdc # save the config file to linux build tree mkdir build_dir make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/gpu/drm/i915/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c: note: in included file (through drivers/gpu/drm/i915/gt/intel_gt_requests.h): /usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h:406:9: sparse: sparse: preprocessor token offsetof redefined drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c: note: in included file (through include/uapi/linux/posix_types.h, include/uapi/linux/types.h, include/linux/types.h, ...): include/linux/stddef.h:17:9: sparse: this was the original definition Please review and possibly fold the followup patch. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org