Subject: Re: [PATCH net-next 3/4] net: expedite synchronize_net() for cleanup_net()

From: kernel test robot <[email-masked]>
Date: Fri, 10 Jan 2025 01:42:01 +0800

Hi Eric,

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/Eric-Dumazet/net-no-longer-assume-RTNL-is-held-in-flush_all_backlogs/20250108-014049
base:   net-next/main
patch link:    https://lore.kernel.org/r/20250107173838.1130187-4-edumazet%40google.com
patch subject: [PATCH net-next 3/4] net: expedite synchronize_net() for cleanup_net()
config: mips-bmips_be_defconfig (https://download.01.org/0day-ci/archive/20250110/[email-masked]/config)
compiler: mips-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250110/[email-masked]/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 <[email-masked]>
| Closes: https://lore.kernel.org/oe-kbuild-all/[email-masked]/

All errors (new ones prefixed by >>):

   mips-linux-ld: net/core/dev.o: in function `synchronize_net':
   dev.c:(.text+0x2250): undefined reference to `cleanup_net_task'
>> mips-linux-ld: dev.c:(.text+0x225c): undefined reference to `cleanup_net_task'
   mips-linux-ld: net/core/dev.o: in function `free_netdev':
   dev.c:(.text+0x5824): undefined reference to `cleanup_net_task'
   mips-linux-ld: net/core/dev.o: in function `netdev_rx_handler_unregister':
   dev.c:(.text+0x6204): undefined reference to `cleanup_net_task'
   mips-linux-ld: dev.c:(.text+0x620c): undefined reference to `cleanup_net_task'
   mips-linux-ld: net/core/dev.o:dev.c:(.text+0x6764): more undefined references to `cleanup_net_task' follow

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