Hi Li, [FYI, it's a private test report for your RFC patch.] [auto build test WARNING on rdma/for-next] [also build test WARNING on v5.17-rc1 next-20220125] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Li-Zhijian/RDMA-rxe-Add-RDMA-FLU... base: https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git for-next config: x86_64-randconfig-s022-20220124 (https://download.01.org/0day-ci/archive/20220126/202201260421.itl2Uin2-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/0day-ci/linux/commit/9b2af9620176faaaeb82f157062b73ba6... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Li-Zhijian/RDMA-rxe-Add-RDMA-FLUSH-operation/20220125-165822 git checkout 9b2af9620176faaaeb82f157062b73ba6b0c791b # 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/infiniband/ 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/infiniband/sw/rxe/rxe_resp.c: note: in included file (through drivers/infiniband/sw/rxe/rxe.h): drivers/infiniband/sw/rxe/rxe_hdr.h:644:20: sparse: sparse: cast to restricted __be32 vim +636 drivers/infiniband/sw/rxe/rxe_hdr.h 632 633 static inline u32 __feth_plt(void *arg) 634 { 635 u32 *fethp = arg; 637 638 return (feth & FETH_PLT_MASK) >> FETH_PLT_SHIFT; 639 } 640 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org