Hi Heng, kernel test robot noticed the following build warnings:
[auto build test WARNING on net-next/main] url: https://github.com/intel-lab-lkp/linux/commits/Heng-Qi/ethtool-provide-customized-dim-profile-management/20240402-201527 base: net-next/main patch link: https://lore.kernel.org/r/1712059988-7705-2-git-send-email-hengqi%40linux.alibaba.com patch subject: [PATCH net-next v3 1/3] ethtool: provide customized dim profile management config: openrisc-defconfig (https://download.01.org/0day-ci/archive/20240403/202404030318.707oc9cj-...@intel.com/config) compiler: or1k-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240403/202404030318.707oc9cj-...@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 <l...@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202404030318.707oc9cj-...@intel.com/ All warnings (new ones prefixed by >>): >> net/ethtool/coalesce.c:363: warning: Function parameter or struct member >> 'extack' not described in 'ethnl_update_profile' vim +363 net/ethtool/coalesce.c 340 341 /** 342 * ethnl_update_profile - get a nla nest with four child nla nests from userspace. 343 * @dst: data get from the driver and modified by ethnl_update_profile. 344 * @nests: nest attr ETHTOOL_A_COALESCE_*X_*QE_PROFILE to set driver's profile. 345 * @mod: whether the data is modified 346 * 347 * Layout of nests: 348 * Nested ETHTOOL_A_COALESCE_*X_*QE_PROFILE attr 349 * Nested ETHTOOL_A_MODERATIONS_MODERATION attr 350 * ETHTOOL_A_MODERATION_USEC attr 351 * ETHTOOL_A_MODERATION_PKTS attr 352 * ETHTOOL_A_MODERATION_COMPS attr 353 * ... 354 * Nested ETHTOOL_A_MODERATIONS_MODERATION attr 355 * ETHTOOL_A_MODERATION_USEC attr 356 * ETHTOOL_A_MODERATION_PKTS attr 357 * ETHTOOL_A_MODERATION_COMPS attr 358 */ 359 static inline void ethnl_update_profile(struct dim_cq_moder *dst, 360 const struct nlattr *nests, 361 bool *mod, 362 struct netlink_ext_ack *extack) > 363 { 364 struct nlattr *tb_moder[ARRAY_SIZE(coalesce_set_profile_policy)]; 365 struct dim_cq_moder profs[NET_DIM_PARAMS_NUM_PROFILES]; 366 struct nlattr *nest; 367 int ret, rem, i = 0; 368 369 if (!nests) 370 return; 371 372 nla_for_each_nested(nest, nests, rem) { 373 if (WARN_ONCE(nla_type(nest) != ETHTOOL_A_MODERATIONS_MODERATION, 374 "unexpected nest attrtype %u\n", nla_type(nest))) 375 return; 376 377 ret = nla_parse_nested(tb_moder, 378 ARRAY_SIZE(coalesce_set_profile_policy) - 1, 379 nest, coalesce_set_profile_policy, 380 extack); 381 if (ret || 382 !tb_moder[ETHTOOL_A_MODERATION_USEC] || 383 !tb_moder[ETHTOOL_A_MODERATION_PKTS] || 384 !tb_moder[ETHTOOL_A_MODERATION_COMPS]) { 385 NL_SET_ERR_MSG(extack, "wrong ETHTOOL_A_MODERATION_* attribute\n"); 386 return; 387 } 388 389 profs[i].usec = nla_get_u16(tb_moder[ETHTOOL_A_MODERATION_USEC]); 390 profs[i].pkts = nla_get_u16(tb_moder[ETHTOOL_A_MODERATION_PKTS]); 391 profs[i].comps = nla_get_u16(tb_moder[ETHTOOL_A_MODERATION_COMPS]); 392 393 if (dst[i].usec != profs[i].usec || dst[i].pkts != profs[i].pkts || 394 dst[i].comps != profs[i].comps) 395 *mod = true; 396 397 i++; 398 } 399 400 memcpy(dst, profs, sizeof(profs)); 401 } 402 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
