tree: https://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue.git dev-queue head: ab6984b6134690d6345109a0679beabc0c52e2cf commit: 6d188a7bb3705a9a6be7cb909f63eeeee90c3175 [53/66] ice: introduce frame padding computation logic config: sparc64-allmodconfig (attached as .config) compiler: sparc64-linux-gcc (GCC) 7.4.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 6d188a7bb3705a9a6be7cb909f63eeeee90c3175 # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=sparc64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): drivers/net//ethernet/intel/ice/ice_txrx_lib.c: In function 'ice_xmit_xdp_ring': tx_desc->cmd_type_offset_bsz = ice_build_ctob(ICE_TXD_LAST_DESC_CMD, 0, ^~~~~~~~~~~~~~ __build_skb cc1: some warnings being treated as errors -- drivers/net//ethernet/intel/ice/ice_xsk.c: In function 'ice_xmit_zc': ice_build_ctob(ICE_TXD_LAST_DESC_CMD, 0, desc.len, 0); ^~~~~~~~~~~~~~ ice_bump_ntc cc1: some warnings being treated as errors vim +218 drivers/net//ethernet/intel/ice/ice_txrx_lib.c 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 184 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 185 /** 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 186 * ice_xmit_xdp_ring - submit single packet to XDP ring for transmission 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 187 * @data: packet data pointer 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 188 * @size: packet data size 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 189 * @xdp_ring: XDP ring for transmission 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 190 */ 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 191 int ice_xmit_xdp_ring(void *data, u16 size, struct ice_ring *xdp_ring) 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 192 { 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 193 u16 i = xdp_ring->next_to_use; 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 194 struct ice_tx_desc *tx_desc; 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 195 struct ice_tx_buf *tx_buf; 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 196 dma_addr_t dma; 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 197 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 198 if (!unlikely(ICE_DESC_UNUSED(xdp_ring))) { 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 199 xdp_ring->tx_stats.tx_busy++; 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 200 return ICE_XDP_CONSUMED; 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 201 } 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 202 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 203 dma = dma_map_single(xdp_ring->dev, data, size, DMA_TO_DEVICE); 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 204 if (dma_mapping_error(xdp_ring->dev, dma)) 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 205 return ICE_XDP_CONSUMED; 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 206 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 207 tx_buf = &xdp_ring->tx_buf[i]; 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 208 tx_buf->bytecount = size; 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 209 tx_buf->gso_segs = 1; 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 210 tx_buf->raw_buf = data; 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 211 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 212 /* record length, and DMA address */ 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 213 dma_unmap_len_set(tx_buf, len, size); 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 214 dma_unmap_addr_set(tx_buf, dma, dma); 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 215 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 216 tx_desc = ICE_TX_DESC(xdp_ring, i); 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 217 tx_desc->buf_addr = cpu_to_le64(dma); 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 @218 tx_desc->cmd_type_offset_bsz = ice_build_ctob(ICE_TXD_LAST_DESC_CMD, 0, 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 219 size, 0); 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 220 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 221 /* Make certain all of the status bits have been updated 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 222 * before next_to_watch is written. 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 223 */ 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 224 smp_wmb(); 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 225 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 226 i++; 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 227 if (i == xdp_ring->count) 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 228 i = 0; 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 229 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 230 tx_buf->next_to_watch = tx_desc; 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 231 xdp_ring->next_to_use = i; 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 232 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 233 return ICE_XDP_TX; 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 234 } 8a789a8138dfec Krzysztof Kazimierczak 2019-10-14 235 :::::: The code at line 218 was first introduced by commit :::::: 8a789a8138dfecdc09758b800a1808ec3fdc01b3 ice: Move common functions to ice_txrx_lib.c :::::: TO: Krzysztof Kazimierczak <krzysztof.kazimierczak(a)intel.com&gt; :::::: CC: Jeff Kirsher <jeffrey.t.kirsher(a)intel.com&gt; --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation