netdev - Re: [PATCH v2 net-next 10/13] net: add netdev_set

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Date: Fri, 9 Feb 2024 20:58:16 +0100
From: Eric Dumazet <edumazet@...gle.com>
To: kernel test robot <lkp@...el.com>
Cc: "David S . Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>, 
	Paolo Abeni <pabeni@...hat.com>, oe-kbuild-all@...ts.linux.dev, netdev@...r.kernel.org, 
	eric.dumazet@...il.com
Subject: Re: [PATCH v2 net-next 10/13] net: add netdev_set_operstate() helper

On Fri, Feb 9, 2024 at 8:13 PM kernel test robot <lkp@...el.com> wrote:
>
> 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-annotate-data-races-around-dev-name_assign_type/20240208-222037
> base:   net-next/main
> patch link:    https://lore.kernel.org/r/20240208141154.1131622-11-edumazet%40google.com
> patch subject: [PATCH v2 net-next 10/13] net: add netdev_set_operstate() helper
> config: sh-sh2007_defconfig (https://download.01.org/0day-ci/archive/20240210/202402100218.Gmr6NGqc-lkp@intel.com/config)
> compiler: sh4-linux-gcc (GCC) 13.2.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240210/202402100218.Gmr6NGqc-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/202402100218.Gmr6NGqc-lkp@intel.com/
>
> All errors (new ones prefixed by >>):
>
>    sh4-linux-ld: net/core/rtnetlink.o: in function `set_operstate':
> >> net/core/rtnetlink.c:873:(.text+0x1140): undefined reference to `__cmpxchg_called_with_bad_pointer'
>    sh4-linux-ld: net/core/rtnetlink.o: in function `netdev_set_operstate':
>    net/core/rtnetlink.c:855:(.text+0x16d0): undefined reference to `__cmpxchg_called_with_bad_pointer'
>

Ah right, there was also dev->operstate.

These old arches...