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charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 19eef1d98eeda3745df35839190b7d4a4adea656 commit: 315ad8780a129e82e2c5c65ee6e970d91a577acb kbuild: Add AutoFDO support for Clang build date: 1 year, 1 month ago config: x86_64-randconfig-r122-20251129 (https://download.01.org/0day-ci/archive/20251129/202511291220.iPdPZlZh-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251129/202511291220.iPdPZlZh-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202511291220.iPdPZlZh-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from drivers/net/ethernet/microchip/enc28j60.c:20: In file included from include/linux/netdevice.h:38: In file included from include/net/net_namespace.h:43: In file included from include/linux/skbuff.h:17: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:8: In file included from include/linux/cacheflush.h:5: In file included from arch/x86/include/asm/cacheflush.h:5: In file included from include/linux/mm.h:2213: include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ >> drivers/net/ethernet/microchip/enc28j60.c:1120:20: warning: stack frame size (8920) exceeds limit (8192) in 'enc28j60_irq' [-Wframe-larger-than] 1120 | static irqreturn_t enc28j60_irq(int irq, void *dev_id) | ^ 2 warnings generated. vim +/enc28j60_irq +1120 drivers/net/ethernet/microchip/enc28j60.c 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1119 995585ecdf42c1 drivers/net/ethernet/microchip/enc28j60.c Philipp Rosenberger 2023-05-09 @1120 static irqreturn_t enc28j60_irq(int irq, void *dev_id) 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1121 { 995585ecdf42c1 drivers/net/ethernet/microchip/enc28j60.c Philipp Rosenberger 2023-05-09 1122 struct enc28j60_net *priv = dev_id; 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1123 struct net_device *ndev = priv->netdev; 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1124 int intflags, loop; 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1125 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1126 /* disable further interrupts */ 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1127 locked_reg_bfclr(priv, EIE, EIE_INTIE); 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1128 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1129 do { 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1130 loop = 0; 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1131 intflags = locked_regb_read(priv, EIR); 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1132 /* DMA interrupt handler (not currently used) */ 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1133 if ((intflags & EIR_DMAIF) != 0) { 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1134 loop++; 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1135 if (netif_msg_intr(priv)) c93a0f2a7fc4b9 drivers/net/ethernet/microchip/enc28j60.c Andy Shevchenko 2019-03-19 1136 netdev_printk(KERN_DEBUG, ndev, "intDMA(%d)\n", c93a0f2a7fc4b9 drivers/net/ethernet/microchip/enc28j60.c Andy Shevchenko 2019-03-19 1137 loop); 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1138 locked_reg_bfclr(priv, EIR, EIR_DMAIF); 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1139 } 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1140 /* LINK changed handler */ 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1141 if ((intflags & EIR_LINKIF) != 0) { 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1142 loop++; 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1143 if (netif_msg_intr(priv)) c93a0f2a7fc4b9 drivers/net/ethernet/microchip/enc28j60.c Andy Shevchenko 2019-03-19 1144 netdev_printk(KERN_DEBUG, ndev, "intLINK(%d)\n", c93a0f2a7fc4b9 drivers/net/ethernet/microchip/enc28j60.c Andy Shevchenko 2019-03-19 1145 loop); 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1146 enc28j60_check_link_status(ndev); 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1147 /* read PHIR to clear the flag */ 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1148 enc28j60_phy_read(priv, PHIR); 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1149 } 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1150 /* TX complete handler */ 373819ec391de0 drivers/net/ethernet/microchip/enc28j60.c Sergio Valverde 2016-07-01 1151 if (((intflags & EIR_TXIF) != 0) && 373819ec391de0 drivers/net/ethernet/microchip/enc28j60.c Sergio Valverde 2016-07-01 1152 ((intflags & EIR_TXERIF) == 0)) { 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1153 bool err = false; 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1154 loop++; 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1155 if (netif_msg_intr(priv)) c93a0f2a7fc4b9 drivers/net/ethernet/microchip/enc28j60.c Andy Shevchenko 2019-03-19 1156 netdev_printk(KERN_DEBUG, ndev, "intTX(%d)\n", c93a0f2a7fc4b9 drivers/net/ethernet/microchip/enc28j60.c Andy Shevchenko 2019-03-19 1157 loop); 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1158 priv->tx_retry_count = 0; 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1159 if (locked_regb_read(priv, ESTAT) & ESTAT_TXABRT) { 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1160 if (netif_msg_tx_err(priv)) 35b60f37363b1a drivers/net/ethernet/microchip/enc28j60.c Andy Shevchenko 2019-03-19 1161 netdev_err(ndev, "Tx Error (aborted)\n"); 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1162 err = true; 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1163 } 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1164 if (netif_msg_tx_done(priv)) { 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1165 u8 tsv[TSV_SIZE]; 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1166 enc28j60_read_tsv(priv, tsv); 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1167 enc28j60_dump_tsv(priv, "Tx Done", tsv); 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1168 } 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1169 enc28j60_tx_clear(ndev, err); 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1170 locked_reg_bfclr(priv, EIR, EIR_TXIF); 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1171 } 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1172 /* TX Error handler */ 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1173 if ((intflags & EIR_TXERIF) != 0) { 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1174 u8 tsv[TSV_SIZE]; 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1175 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1176 loop++; 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1177 if (netif_msg_intr(priv)) c93a0f2a7fc4b9 drivers/net/ethernet/microchip/enc28j60.c Andy Shevchenko 2019-03-19 1178 netdev_printk(KERN_DEBUG, ndev, "intTXErr(%d)\n", c93a0f2a7fc4b9 drivers/net/ethernet/microchip/enc28j60.c Andy Shevchenko 2019-03-19 1179 loop); 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1180 locked_reg_bfclr(priv, ECON1, ECON1_TXRTS); 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1181 enc28j60_read_tsv(priv, tsv); 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1182 if (netif_msg_tx_err(priv)) 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1183 enc28j60_dump_tsv(priv, "Tx Error", tsv); 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1184 /* Reset TX logic */ 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1185 mutex_lock(&priv->lock); 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1186 nolock_reg_bfset(priv, ECON1, ECON1_TXRST); 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1187 nolock_reg_bfclr(priv, ECON1, ECON1_TXRST); 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1188 nolock_txfifo_init(priv, TXSTART_INIT, TXEND_INIT); 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1189 mutex_unlock(&priv->lock); 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1190 /* Transmit Late collision check for retransmit */ 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1191 if (TSV_GETBIT(tsv, TSV_TXLATECOLLISION)) { 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1192 if (netif_msg_tx_err(priv)) c93a0f2a7fc4b9 drivers/net/ethernet/microchip/enc28j60.c Andy Shevchenko 2019-03-19 1193 netdev_printk(KERN_DEBUG, ndev, c93a0f2a7fc4b9 drivers/net/ethernet/microchip/enc28j60.c Andy Shevchenko 2019-03-19 1194 "LateCollision TXErr (%d)\n", 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1195 priv->tx_retry_count); 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1196 if (priv->tx_retry_count++ < MAX_TX_RETRYCOUNT) 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1197 locked_reg_bfset(priv, ECON1, 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1198 ECON1_TXRTS); 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1199 else 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1200 enc28j60_tx_clear(ndev, true); 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1201 } else 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1202 enc28j60_tx_clear(ndev, true); 373819ec391de0 drivers/net/ethernet/microchip/enc28j60.c Sergio Valverde 2016-07-01 1203 locked_reg_bfclr(priv, EIR, EIR_TXERIF | EIR_TXIF); 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1204 } 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1205 /* RX Error handler */ 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1206 if ((intflags & EIR_RXERIF) != 0) { 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1207 loop++; 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1208 if (netif_msg_intr(priv)) c93a0f2a7fc4b9 drivers/net/ethernet/microchip/enc28j60.c Andy Shevchenko 2019-03-19 1209 netdev_printk(KERN_DEBUG, ndev, "intRXErr(%d)\n", c93a0f2a7fc4b9 drivers/net/ethernet/microchip/enc28j60.c Andy Shevchenko 2019-03-19 1210 loop); 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1211 /* Check free FIFO space to flag RX overrun */ 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1212 if (enc28j60_get_free_rxfifo(priv) <= 0) { 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1213 if (netif_msg_rx_err(priv)) c93a0f2a7fc4b9 drivers/net/ethernet/microchip/enc28j60.c Andy Shevchenko 2019-03-19 1214 netdev_printk(KERN_DEBUG, ndev, "RX Overrun\n"); 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1215 ndev->stats.rx_dropped++; 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1216 } 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1217 locked_reg_bfclr(priv, EIR, EIR_RXERIF); 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1218 } 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1219 /* RX handler */ 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1220 if (enc28j60_rx_interrupt(ndev)) 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1221 loop++; 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1222 } while (loop); 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1223 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1224 /* re-enable interrupts */ 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1225 locked_reg_bfset(priv, EIE, EIE_INTIE); 995585ecdf42c1 drivers/net/ethernet/microchip/enc28j60.c Philipp Rosenberger 2023-05-09 1226 995585ecdf42c1 drivers/net/ethernet/microchip/enc28j60.c Philipp Rosenberger 2023-05-09 1227 return IRQ_HANDLED; 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1228 } 3ec9c11da03342 drivers/net/enc28j60.c Claudio Lanconelli 2008-01-14 1229 :::::: The code at line 1120 was first introduced by commit :::::: 995585ecdf42c14fbd4d9d12ca73bf54358581c6 net: enc28j60: Use threaded interrupt instead of workqueue :::::: TO: Philipp Rosenberger :::::: CC: Jakub Kicinski -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki