tree: https://git.kernel.org/pub/scm/linux/kernel/git/leon/linux-rdma.git rdma-next head: fb60ce5917ddd769e17552ae421d056c0bb151a5 commit: fb60ce5917ddd769e17552ae421d056c0bb151a5 [76/76] RDMA/mlx5: Sync device with CPU pages upon ODP MR registration config: sparc64-randconfig-r035-20200909 (attached as .config) compiler: sparc64-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout fb60ce5917ddd769e17552ae421d056c0bb151a5 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sparc64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): In file included from drivers/infiniband/hw/mlx5/counters.c:6: 1308 | int mlx5_ib_init_odp_mr(struct mlx5_ib_mr *mr, u64 user_va, size_t bcnt, bool enable) { return 0; } | ^~~~~~~~~~~~~~~~~~~ # https://git.kernel.org/pub/scm/linux/kernel/git/leon/linux-rdma.git/commi... git remote add leon-rdma https://git.kernel.org/pub/scm/linux/kernel/git/leon/linux-rdma.git git fetch --no-tags leon-rdma rdma-next git checkout fb60ce5917ddd769e17552ae421d056c0bb151a5 vim +/mlx5_ib_init_odp_mr +1308 drivers/infiniband/hw/mlx5/mlx5_ib.h 1292 1293 static inline int mlx5_ib_odp_init_one(struct mlx5_ib_dev *ibdev) { return 0; } 1294 static inline void mlx5_ib_odp_cleanup_one(struct mlx5_ib_dev *ibdev) {} 1295 static inline int mlx5_ib_odp_init(void) { return 0; } 1296 static inline void mlx5_ib_odp_cleanup(void) {} 1297 static inline void mlx5_odp_init_mr_cache_entry(struct mlx5_cache_ent *ent) {} 1298 static inline void mlx5_odp_populate_xlt(void *xlt, size_t idx, size_t nentries, 1299 struct mlx5_ib_mr *mr, int flags) {} 1300 1301 static inline int 1302 mlx5_ib_advise_mr_prefetch(struct ib_pd *pd, 1303 enum ib_uverbs_advise_mr_advice advice, u32 flags, 1304 struct ib_sge *sg_list, u32 num_sge) 1305 { 1306 return -EOPNOTSUPP; 1307 } 1309 #endif /* CONFIG_INFINIBAND_ON_DEMAND_PAGING */ 1310 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org