tree: https://github.com/multipath-tcp/mptcp_net-next.git export head: 6c723e9819cfcbf50da3779b526928008ad1b6d8 commit: 34ca65352ddf2aaa094f4016369103c4c7b98958 [980/1097] net/mlx5: E-Switch, Indirect table infrastructure config: sparc-randconfig-r015-20210209 (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 # https://github.com/multipath-tcp/mptcp_net-next/commit/34ca65352ddf2aaa09... git remote add mptcp https://github.com/multipath-tcp/mptcp_net-next.git git fetch --no-tags mptcp export git checkout 34ca65352ddf2aaa094f4016369103c4c7b98958 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sparc 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/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c:41: 34 | mlx5_esw_indir_table_init(void) | ^~~~~~~~~~~~~~~~~~~~~~~~~ 40 | mlx5_esw_indir_table_destroy(struct mlx5_esw_indir_table *indir) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ 61 | mlx5_esw_indir_table_needed(struct mlx5_eswitch *esw, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for COMPAT_BINFMT_ELF Depends on COMPAT && BINFMT_ELF Selected by - COMPAT && SPARC64 vim +/mlx5_esw_indir_table_init +34 drivers/net/ethernet/mellanox/mlx5/core/esw/indir_table.h 30 31 #else 32 /* indir API stubs */ 33 struct mlx5_esw_indir_table * 35 { 36 return NULL; 37 } 38 39 void 41 { 42 } 43 44 static inline struct mlx5_flow_table * 45 mlx5_esw_indir_table_get(struct mlx5_eswitch *esw, 46 struct mlx5_flow_attr *attr, 47 struct mlx5_flow_spec *spec, 48 u16 vport, bool decap) 49 { 50 return ERR_PTR(-EOPNOTSUPP); 51 } 52 53 static inline void 54 mlx5_esw_indir_table_put(struct mlx5_eswitch *esw, 55 struct mlx5_flow_attr *attr, 56 u16 vport, bool decap) 57 { 58 } 59 60 bool 62 struct mlx5_flow_attr *attr, 63 u16 vport_num, 64 struct mlx5_core_dev *dest_mdev) 65 { 66 return false; 67 } 68 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org