Hi Chuang,

kernel test robot noticed the following build errors:

[auto build test ERROR on net-next/main]

url:    https://github.com/intel-lab-lkp/linux/commits/Chuang-Wang/net-reduce-RFS-ARFS-flow-updates-by-checking-LLC-affinity/20260521-223039
base:   net-next/main
patch link:    https://lore.kernel.org/r/20260521133711.20725-1-nashuiliang%40gmail.com
patch subject: [PATCH net-next v4] net: reduce RFS/ARFS flow updates by checking LLC affinity
config: um-i386_defconfig (https://download.01.org/0day-ci/archive/20260522/202605220442.6N3NuEDL-lkp@intel.com/config)
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/20260522/202605220442.6N3NuEDL-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 [off-list ref]
| Closes: https://lore.kernel.org/oe-kbuild-all/202605220442.6N3NuEDL-lkp@intel.com/ (local)

All errors (new ones prefixed by >>, old ones prefixed by <<):

quoted

ERROR: modpost: "sock_rps_record_flow_hash" [drivers/net/tun.ko] undefined!

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0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki