Hi Wang, First bad commit (maybe != root cause): tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: a29fc03bd0ddaf7388cf31604ef5bd9807585109 commit: 22d4075bf5ef29ba4b329f954ac28a7de1d69a65 [3098/3098] net/oenetcls: remove oenetcls trace hook config: x86_64-randconfig-121-20251104 (https://download.01.org/0day-ci/archive/20251104/202511040552.16dcWFcA-lkp@i...) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251104/202511040552.16dcWFcA-lkp@i...) 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 <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202511040552.16dcWFcA-lkp@intel.com/ All warnings (new ones prefixed by >>):
net/oenetcls/oenetcls_main.c:990:13: warning: 'set_netdev_xps_queue' defined but not used [-Wunused-function] 990 | static void set_netdev_xps_queue(bool enable) | ^~~~~~~~~~~~~~~~~~~~ In file included from include/linux/string.h:294, from include/linux/bitmap.h:11, from include/linux/cpumask.h:12, from arch/x86/include/asm/cpumask.h:5, from arch/x86/include/asm/msr.h:11, from arch/x86/include/asm/processor.h:23, from arch/x86/include/asm/timex.h:5, from include/linux/timex.h:67, from include/linux/time32.h:13, from include/linux/time.h:60, from include/linux/stat.h:19, from include/linux/module.h:13, from net/oenetcls/oenetcls_main.c:2: In function 'strncpy', inlined from 'oecls_filter_restore' at net/oenetcls/oenetcls_main.c:459:2: include/linux/fortify-string.h:81:33: warning: '__builtin_strncpy' specified bound 16 equals destination size [-Wstringop-truncation] 81 | #define __underlying_strncpy __builtin_strncpy | ^ include/linux/fortify-string.h:165:16: note: in expansion of macro '__underlying_strncpy' 165 | return __underlying_strncpy(p, q, size); | ^~~~~~~~~~~~~~~~~~~~ In function 'strncpy', inlined from 'oecls_filter_enable.constprop' at net/oenetcls/oenetcls_main.c:413:2: include/linux/fortify-string.h:81:33: warning: '__builtin_strncpy' specified bound 16 equals destination size [-Wstringop-truncation] 81 | #define __underlying_strncpy __builtin_strncpy | ^ include/linux/fortify-string.h:165:16: note: in expansion of macro '__underlying_strncpy' 165 | return __underlying_strncpy(p, q, size); | ^~~~~~~~~~~~~~~~~~~~
Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for PTP_1588_CLOCK Depends on [n]: NET [=y] && POSIX_TIMERS [=n] Selected by [m]: - SXE [=m] && NETDEVICES [=y] && ETHERNET [=y] && NET_VENDOR_LINKDATA [=y] && (X86 [=y] || ARM64) && PCI [=y] - SXE_VF [=m] && NETDEVICES [=y] && ETHERNET [=y] && NET_VENDOR_LINKDATA [=y] && (X86 [=y] || ARM64) && PCI [=y] vim +/set_netdev_xps_queue +990 net/oenetcls/oenetcls_main.c 4bed6ba0e88f50 Wang Liang 2025-08-26 989 4bed6ba0e88f50 Wang Liang 2025-08-26 @990 static void set_netdev_xps_queue(bool enable) 4bed6ba0e88f50 Wang Liang 2025-08-26 991 { 4bed6ba0e88f50 Wang Liang 2025-08-26 992 const struct cpumask clear_mask = { 0 }; 4bed6ba0e88f50 Wang Liang 2025-08-26 993 struct oecls_netdev_info *oecls_dev; 4bed6ba0e88f50 Wang Liang 2025-08-26 994 const struct cpumask *cpu_mask; 4bed6ba0e88f50 Wang Liang 2025-08-26 995 int rxq_id, devid, cpu, nid; 4bed6ba0e88f50 Wang Liang 2025-08-26 996 4bed6ba0e88f50 Wang Liang 2025-08-26 997 for_each_oecls_netdev(devid, oecls_dev) { 4bed6ba0e88f50 Wang Liang 2025-08-26 998 for (rxq_id = 0; rxq_id < oecls_dev->rxq_num; rxq_id++) { 4bed6ba0e88f50 Wang Liang 2025-08-26 999 cpu = oecls_dev->rxq[rxq_id].affinity_cpu; 4bed6ba0e88f50 Wang Liang 2025-08-26 1000 nid = cpu_to_node(cpu); 4bed6ba0e88f50 Wang Liang 2025-08-26 1001 if (enable) 4bed6ba0e88f50 Wang Liang 2025-08-26 1002 cpu_mask = cpumask_of_node(nid); 4bed6ba0e88f50 Wang Liang 2025-08-26 1003 else 4bed6ba0e88f50 Wang Liang 2025-08-26 1004 cpu_mask = &clear_mask; 4bed6ba0e88f50 Wang Liang 2025-08-26 1005 4bed6ba0e88f50 Wang Liang 2025-08-26 1006 netif_set_xps_queue_wrapper(oecls_dev->netdev, rxq_id, cpu_mask); 4bed6ba0e88f50 Wang Liang 2025-08-26 1007 } 4bed6ba0e88f50 Wang Liang 2025-08-26 1008 } 4bed6ba0e88f50 Wang Liang 2025-08-26 1009 } 4bed6ba0e88f50 Wang Liang 2025-08-26 1010 :::::: The code at line 990 was first introduced by commit :::::: 4bed6ba0e88f50484fd5fb06bd993727b981b718 net/oenetcls: introduce oenetcls for network optimization :::::: TO: Wang Liang <wangliang74@huawei.com> :::::: CC: Wang Liang <wangliang74@huawei.com> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki