On Wed, Jan 10, 2018 at 09:34:47AM +0800, Aaron Lu wrote:
Please ignore this build report. I thought the robot has done its job but looks like it is still building that branch.
Sorry about that! Although most reports will be caught in the 24 hour, the 0-day build bot will nowadays typically continue tests for weeks to improve coverage. Thanks, Fengguang
I just removed the branch, there should be no more such reports. On Wed, 2018-01-10 at 06:33 +0800, kbuild test robot wrote:tree: aaron/for_lkp_skl_2sp2_test head: 6c9381b65892222cbe2214fb22af9043f9ce1065 commit: cebd3951aaa6936a2dd70e925a5d5667b896da23 [151/225] mm: remove __GFP_COLD config: i386-allyesconfig (attached as .config) compiler: gcc-7 (Debian 7.2.0-12) 7.2.1 20171025 reproduce: git checkout cebd3951aaa6936a2dd70e925a5d5667b896da23 # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): drivers/net//ethernet/netronome/nfp/nfp_net_common.c: In function 'nfp_net_rx_alloc_one': > > drivers/net//ethernet/netronome/nfp/nfp_net_common.c:1188:116: error: '__GFP_COLD' undeclared (first use in this function) page = alloc_page(GFP_KERNEL | __GFP_COLD); ^ drivers/net//ethernet/netronome/nfp/nfp_net_common.c:1188:116: note: each undeclared identifier is reported only once for each function it appears in drivers/net//ethernet/netronome/nfp/nfp_net_common.c: In function 'nfp_net_napi_alloc_one': drivers/net//ethernet/netronome/nfp/nfp_net_common.c:1215:103: error: '__GFP_COLD' undeclared (first use in this function) page = alloc_page(GFP_ATOMIC | __GFP_COLD); ^ vim +/__GFP_COLD +1188 drivers/net//ethernet/netronome/nfp/nfp_net_common.c ecd63a0217 Jakub Kicinski 2016-11-03 1169 4c3523623d Jakub Kicinski 2015-12-01 1170 /** c0f031bc88 Jakub Kicinski 2016-10-31 1171 * nfp_net_rx_alloc_one() - Allocate and map page frag for RX 783496b0dd Jakub Kicinski 2017-03-10 1172 * @dp: NFP Net data path struct 4c3523623d Jakub Kicinski 2015-12-01 1173 * @dma_addr: Pointer to storage for DMA address (output param) 4c3523623d Jakub Kicinski 2015-12-01 1174 * c0f031bc88 Jakub Kicinski 2016-10-31 1175 * This function will allcate a new page frag, map it for DMA. 4c3523623d Jakub Kicinski 2015-12-01 1176 * c0f031bc88 Jakub Kicinski 2016-10-31 1177 * Return: allocated page frag or NULL on failure. 4c3523623d Jakub Kicinski 2015-12-01 1178 */ d78005a50f Jakub Kicinski 2017-04-27 1179 static void *nfp_net_rx_alloc_one(struct nfp_net_dp *dp, dma_addr_t *dma_addr) 4c3523623d Jakub Kicinski 2015-12-01 1180 { c0f031bc88 Jakub Kicinski 2016-10-31 1181 void *frag; 4c3523623d Jakub Kicinski 2015-12-01 1182 5f0ca2fb71 Jakub Kicinski 2017-10-10 1183 if (!dp->xdp_prog) { 2195c2637f Jakub Kicinski 2017-03-10 1184 frag = netdev_alloc_frag(dp->fl_bufsz); 5f0ca2fb71 Jakub Kicinski 2017-10-10 1185 } else { 5f0ca2fb71 Jakub Kicinski 2017-10-10 1186 struct page *page; 5f0ca2fb71 Jakub Kicinski 2017-10-10 1187 5f0ca2fb71 Jakub Kicinski 2017-10-10 @1188 page = alloc_page(GFP_KERNEL | __GFP_COLD); 5f0ca2fb71 Jakub Kicinski 2017-10-10 1189 frag = page ? page_address(page) : NULL; 5f0ca2fb71 Jakub Kicinski 2017-10-10 1190 } c0f031bc88 Jakub Kicinski 2016-10-31 1191 if (!frag) { 79c12a752c Jakub Kicinski 2017-03-10 1192 nn_dp_warn(dp, "Failed to alloc receive page frag\n"); 4c3523623d Jakub Kicinski 2015-12-01 1193 return NULL; 4c3523623d Jakub Kicinski 2015-12-01 1194 } 4c3523623d Jakub Kicinski 2015-12-01 1195 c487e6b199 Jakub Kicinski 2017-03-10 1196 *dma_addr = nfp_net_dma_map_rx(dp, frag); 79c12a752c Jakub Kicinski 2017-03-10 1197 if (dma_mapping_error(dp->dev, *dma_addr)) { 9dc6b116e2 Jakub Kicinski 2017-03-10 1198 nfp_net_free_frag(frag, dp->xdp_prog); 79c12a752c Jakub Kicinski 2017-03-10 1199 nn_dp_warn(dp, "Failed to map DMA RX buffer\n"); 4c3523623d Jakub Kicinski 2015-12-01 1200 return NULL; 4c3523623d Jakub Kicinski 2015-12-01 1201 } 4c3523623d Jakub Kicinski 2015-12-01 1202 c0f031bc88 Jakub Kicinski 2016-10-31 1203 return frag; 4c3523623d Jakub Kicinski 2015-12-01 1204 } 4c3523623d Jakub Kicinski 2015-12-01 1205 :::::: The code at line 1188 was first introduced by commit :::::: 5f0ca2fb71e28df146f590eebfe32b41171b737f nfp: handle page allocation failures :::::: TO: Jakub Kicinski <jakub.kicinski@xxxxxxxxxxxxx> :::::: CC: David S. Miller <davem@xxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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