netdev - Re: [PATCH net-next v7 4/4] virtio-net: support rx netdim

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Date: Sat, 9 Dec 2023 05:27:38 -0500
From: "Michael S. Tsirkin" <mst@...hat.com>
To: kernel test robot <lkp@...el.com>
Cc: Heng Qi <hengqi@...ux.alibaba.com>, netdev@...r.kernel.org,
	virtualization@...ts.linux-foundation.org,
	oe-kbuild-all@...ts.linux.dev, jasowang@...hat.com,
	pabeni@...hat.com, kuba@...nel.org, yinjun.zhang@...igine.com,
	edumazet@...gle.com, davem@...emloft.net, hawk@...nel.org,
	john.fastabend@...il.com, ast@...nel.org, horms@...nel.org,
	xuanzhuo@...ux.alibaba.com
Subject: Re: [PATCH net-next v7 4/4] virtio-net: support rx netdim

On Sat, Dec 09, 2023 at 11:22:11AM +0800, kernel test robot wrote:
> Hi Heng,
> 
> 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/Heng-Qi/virtio-net-returns-whether-napi-is-complete/20231207-143044
> base:   net-next/main
> patch link:    https://lore.kernel.org/r/9be20d1e86bea91b373f28401a96401b640ef4d1.1701929854.git.hengqi%40linux.alibaba.com
> patch subject: [PATCH net-next v7 4/4] virtio-net: support rx netdim
> config: nios2-randconfig-r064-20231209 (https://download.01.org/0day-ci/archive/20231209/202312091132.7eR6Cbs9-lkp@intel.com/config)
> compiler: nios2-linux-gcc (GCC) 13.2.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231209/202312091132.7eR6Cbs9-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/202312091132.7eR6Cbs9-lkp@intel.com/
> 
> All errors (new ones prefixed by >>):
> 
>    nios2-linux-ld: drivers/net/virtio_net.o: in function `virtnet_rx_dim_work':
>    virtio_net.c:(.text+0x21dc): undefined reference to `net_dim_get_rx_moderation'
> >> virtio_net.c:(.text+0x21dc): relocation truncated to fit: R_NIOS2_CALL26 against `net_dim_get_rx_moderation'
>    nios2-linux-ld: drivers/net/virtio_net.o: in function `virtnet_poll':
>    virtio_net.c:(.text+0x97bc): undefined reference to `net_dim'
> >> virtio_net.c:(.text+0x97bc): relocation truncated to fit: R_NIOS2_CALL26 against `net_dim'


Looks like select DIMLIB is missing?

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