Hi Yangbo, I love your patch! Perhaps something to improve:
[auto build test WARNING on next-20210325] [cannot apply to ipvs/master linus/master sparc-next/master v5.12-rc4 v5.12-rc3 v5.12-rc2 v5.12-rc4] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Yangbo-Lu/enetc-support-PTP-Sync-packet-one-step-timestamping/20210326-170955 base: b4f20b70784aabf97e1727561e775500f6e294c7 config: ia64-allmodconfig (attached as .config) compiler: ia64-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/0day-ci/linux/commit/ee04f0512d195ae9492fffbd4598c659bbda85d8 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Yangbo-Lu/enetc-support-PTP-Sync-packet-one-step-timestamping/20210326-170955 git checkout ee04f0512d195ae9492fffbd4598c659bbda85d8 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> All warnings (new ones prefixed by >>): >> drivers/net/ethernet/freescale/enetc/enetc.c:263:13: warning: no previous >> prototype for 'enetc_start_xmit' [-Wmissing-prototypes] 263 | netdev_tx_t enetc_start_xmit(struct sk_buff *skb, struct net_device *ndev) | ^~~~~~~~~~~~~~~~ Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for FRAME_POINTER Depends on DEBUG_KERNEL && (M68K || UML || SUPERH) || ARCH_WANT_FRAME_POINTERS Selected by - FAULT_INJECTION_STACKTRACE_FILTER && FAULT_INJECTION_DEBUG_FS && STACKTRACE_SUPPORT && !X86_64 && !MIPS && !PPC && !S390 && !MICROBLAZE && !ARM && !ARC && !X86 vim +/enetc_start_xmit +263 drivers/net/ethernet/freescale/enetc/enetc.c 262 > 263 netdev_tx_t enetc_start_xmit(struct sk_buff *skb, struct net_device > *ndev) 264 { 265 struct enetc_ndev_priv *priv = netdev_priv(ndev); 266 struct enetc_bdr *tx_ring; 267 int count; 268 269 tx_ring = priv->tx_ring[skb->queue_mapping]; 270 271 if (unlikely(skb_shinfo(skb)->nr_frags > ENETC_MAX_SKB_FRAGS)) 272 if (unlikely(skb_linearize(skb))) 273 goto drop_packet_err; 274 275 count = skb_shinfo(skb)->nr_frags + 1; /* fragments + head */ 276 if (enetc_bd_unused(tx_ring) < ENETC_TXBDS_NEEDED(count)) { 277 netif_stop_subqueue(ndev, tx_ring->index); 278 return NETDEV_TX_BUSY; 279 } 280 281 enetc_lock_mdio(); 282 count = enetc_map_tx_buffs(tx_ring, skb); 283 enetc_unlock_mdio(); 284 285 if (unlikely(!count)) 286 goto drop_packet_err; 287 288 if (enetc_bd_unused(tx_ring) < ENETC_TXBDS_MAX_NEEDED) 289 netif_stop_subqueue(ndev, tx_ring->index); 290 291 return NETDEV_TX_OK; 292 293 drop_packet_err: 294 dev_kfree_skb_any(skb); 295 return NETDEV_TX_OK; 296 } 297 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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