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Message-ID: <202508080147.1G52KerV-lkp@intel.com>
Date: Fri, 8 Aug 2025 01:32:12 +0800
From: kernel test robot <lkp@...el.com>
To: Menglong Dong <menglong8.dong@...il.com>, idosch@...sch.org
Cc: oe-kbuild-all@...ts.linux.dev, dsahern@...nel.org,
andrew+netdev@...n.ch, davem@...emloft.net, edumazet@...gle.com,
kuba@...nel.org, pabeni@...hat.com, horms@...nel.org,
sdf@...ichev.me, kuniyu@...gle.com, ahmed.zaki@...el.com,
aleksander.lobakin@...el.com, netdev@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next v2] net: vrf: don't down the interface when add
slave
Hi Menglong,
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/Menglong-Dong/net-vrf-don-t-down-the-interface-when-add-slave/20250807-140407
base: net-next/main
patch link: https://lore.kernel.org/r/20250807055634.113753-1-dongml2%40chinatelecom.cn
patch subject: [PATCH net-next v2] net: vrf: don't down the interface when add slave
config: arc-randconfig-001-20250808 (https://download.01.org/0day-ci/archive/20250808/202508080147.1G52KerV-lkp@intel.com/config)
compiler: arc-linux-gcc (GCC) 14.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250808/202508080147.1G52KerV-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 <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202508080147.1G52KerV-lkp@intel.com/
All warnings (new ones prefixed by >>):
net/core/lock_debug.c: In function 'netdev_debug_event':
>> net/core/lock_debug.c:20:9: warning: enumeration value 'NETDEV_VRF_MASTER' not handled in switch [-Wswitch]
20 | switch (cmd) {
| ^~~~~~
vim +/NETDEV_VRF_MASTER +20 net/core/lock_debug.c
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 11
1901066aab7654 net/core/lock_debug.c Stanislav Fomichev 2025-04-01 12 int netdev_debug_event(struct notifier_block *nb, unsigned long event,
1901066aab7654 net/core/lock_debug.c Stanislav Fomichev 2025-04-01 13 void *ptr)
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 14 {
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 15 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 16 struct net *net = dev_net(dev);
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 17 enum netdev_cmd cmd = event;
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 18
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 19 /* Keep enum and don't add default to trigger -Werror=switch */
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 @20 switch (cmd) {
22cbc1ee268b7e net/core/lock_debug.c Jakub Kicinski 2025-04-15 21 case NETDEV_XDP_FEAT_CHANGE:
22cbc1ee268b7e net/core/lock_debug.c Jakub Kicinski 2025-04-15 22 netdev_assert_locked(dev);
22cbc1ee268b7e net/core/lock_debug.c Jakub Kicinski 2025-04-15 23 fallthrough;
cb7103298d1c5d net/core/lock_debug.c Jakub Kicinski 2025-04-10 24 case NETDEV_CHANGE:
1901066aab7654 net/core/lock_debug.c Stanislav Fomichev 2025-04-01 25 case NETDEV_REGISTER:
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 26 case NETDEV_UP:
1901066aab7654 net/core/lock_debug.c Stanislav Fomichev 2025-04-01 27 netdev_ops_assert_locked(dev);
1901066aab7654 net/core/lock_debug.c Stanislav Fomichev 2025-04-01 28 fallthrough;
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 29 case NETDEV_DOWN:
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 30 case NETDEV_REBOOT:
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 31 case NETDEV_UNREGISTER:
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 32 case NETDEV_CHANGEMTU:
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 33 case NETDEV_CHANGEADDR:
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 34 case NETDEV_PRE_CHANGEADDR:
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 35 case NETDEV_GOING_DOWN:
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 36 case NETDEV_FEAT_CHANGE:
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 37 case NETDEV_BONDING_FAILOVER:
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 38 case NETDEV_PRE_UP:
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 39 case NETDEV_PRE_TYPE_CHANGE:
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 40 case NETDEV_POST_TYPE_CHANGE:
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 41 case NETDEV_POST_INIT:
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 42 case NETDEV_PRE_UNINIT:
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 43 case NETDEV_RELEASE:
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 44 case NETDEV_NOTIFY_PEERS:
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 45 case NETDEV_JOIN:
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 46 case NETDEV_CHANGEUPPER:
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 47 case NETDEV_RESEND_IGMP:
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 48 case NETDEV_PRECHANGEMTU:
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 49 case NETDEV_CHANGEINFODATA:
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 50 case NETDEV_BONDING_INFO:
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 51 case NETDEV_PRECHANGEUPPER:
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 52 case NETDEV_CHANGELOWERSTATE:
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 53 case NETDEV_UDP_TUNNEL_PUSH_INFO:
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 54 case NETDEV_UDP_TUNNEL_DROP_INFO:
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 55 case NETDEV_CHANGE_TX_QUEUE_LEN:
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 56 case NETDEV_CVLAN_FILTER_PUSH_INFO:
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 57 case NETDEV_CVLAN_FILTER_DROP_INFO:
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 58 case NETDEV_SVLAN_FILTER_PUSH_INFO:
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 59 case NETDEV_SVLAN_FILTER_DROP_INFO:
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 60 case NETDEV_OFFLOAD_XSTATS_ENABLE:
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 61 case NETDEV_OFFLOAD_XSTATS_DISABLE:
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 62 case NETDEV_OFFLOAD_XSTATS_REPORT_USED:
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 63 case NETDEV_OFFLOAD_XSTATS_REPORT_DELTA:
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 64 ASSERT_RTNL();
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 65 break;
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 66
be94cfdb993ff0 net/core/rtnl_net_debug.c Kuniyuki Iwashima 2025-01-15 67 case NETDEV_CHANGENAME:
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 68 ASSERT_RTNL_NET(net);
be94cfdb993ff0 net/core/rtnl_net_debug.c Kuniyuki Iwashima 2025-01-15 69 break;
be94cfdb993ff0 net/core/rtnl_net_debug.c Kuniyuki Iwashima 2025-01-15 70 }
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 71
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 72 return NOTIFY_DONE;
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 73 }
1901066aab7654 net/core/lock_debug.c Stanislav Fomichev 2025-04-01 74 EXPORT_SYMBOL_NS_GPL(netdev_debug_event, "NETDEV_INTERNAL");
03fa534856593b net/core/rtnl_net_debug.c Kuniyuki Iwashima 2024-10-04 75
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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