tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 7ddd09fc4b745fb1d8942f95389583e08412e0cd commit: 548c4940b9f1f527f81509468dd60b61418880b6 [3152/5337] net: ena: Implement XDP_TX action config: i386-randconfig-a003-20200103 (attached as .config) compiler: gcc-4.9 (Debian 4.9.2-10+deb8u1) 4.9.2 reproduce: git checkout 548c4940b9f1f527f81509468dd60b61418880b6 # save the attached .config to linux build tree make ARCH=i386 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): drivers/net/ethernet/amazon/ena/ena_netdev.c: In function 'ena_xdp_xmit_buff': struct ena_com_tx_ctx ena_tx_ctx = {0}; ^ drivers/net/ethernet/amazon/ena/ena_netdev.c:312:9: warning: (near initialization for 'ena_tx_ctx.ena_meta') [-Wmissing-braces] vim +312 drivers/net/ethernet/amazon/ena/ena_netdev.c 305 306 static int ena_xdp_xmit_buff(struct net_device *dev, 307 struct xdp_buff *xdp, 308 int qid, 309 struct ena_rx_buffer *rx_info) 310 { 311 struct ena_adapter *adapter = netdev_priv(dev); 313 struct ena_tx_buffer *tx_info; 314 struct ena_ring *xdp_ring; 315 struct ena_ring *rx_ring; 316 u16 next_to_use, req_id; 317 int rc; 318 void *push_hdr; 319 u32 push_len; 320 321 xdp_ring = &adapter->tx_ring[qid]; 322 next_to_use = xdp_ring->next_to_use; 323 req_id = xdp_ring->free_ids[next_to_use]; 324 tx_info = &xdp_ring->tx_buffer_info[req_id]; 325 tx_info->num_of_bufs = 0; 326 rx_ring = &xdp_ring->adapter->rx_ring[qid - 327 xdp_ring->adapter->xdp_first_ring]; 328 page_ref_inc(rx_info->page); 329 tx_info->xdp_rx_page = rx_info->page; 330 331 rc = ena_xdp_tx_map_buff(xdp_ring, tx_info, xdp, &push_hdr, &push_len); 332 if (unlikely(rc)) 333 goto error_drop_packet; 334 335 ena_tx_ctx.ena_bufs = tx_info->bufs; 336 ena_tx_ctx.push_header = push_hdr; 337 ena_tx_ctx.num_bufs = tx_info->num_of_bufs; 338 ena_tx_ctx.req_id = req_id; 339 ena_tx_ctx.header_len = push_len; 340 341 rc = ena_xmit_common(dev, 342 xdp_ring, 343 tx_info, 344 &ena_tx_ctx, 345 next_to_use, 346 xdp->data_end - xdp->data); 347 if (rc) 348 goto error_unmap_dma; 349 /* trigger the dma engine. ena_com_write_sq_doorbell() 350 * has a mb 351 */ 352 ena_com_write_sq_doorbell(xdp_ring->ena_com_io_sq); 353 u64_stats_update_begin(&xdp_ring->syncp); 354 xdp_ring->tx_stats.doorbells++; 355 u64_stats_update_end(&xdp_ring->syncp); 356 357 return NETDEV_TX_OK; 358 359 error_unmap_dma: 360 ena_unmap_tx_buff(xdp_ring, tx_info); 361 tx_info->xdpf = NULL; 362 error_drop_packet: 363 364 return NETDEV_TX_OK; 365 } 366 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation