Re: [PATCH net-next v2 3/3] tun: AF_XDP Tx zero-copy support
From: kernel test robot
Date: Thu Feb 29 2024 - 10:46:48 EST
Hi Yunjian,
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/Yunjian-Wang/xsk-Remove-non-zero-dma_page-check-in-xp_assign_dev/20240228-190840
base: net-next/main
patch link: https://lore.kernel.org/r/1709118356-133960-1-git-send-email-wangyunjian%40huawei.com
patch subject: [PATCH net-next v2 3/3] tun: AF_XDP Tx zero-copy support
config: microblaze-randconfig-r131-20240229 (https://download.01.org/0day-ci/archive/20240229/202402292345.a49gfJLj-lkp@xxxxxxxxx/config)
compiler: microblaze-linux-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20240229/202402292345.a49gfJLj-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202402292345.a49gfJLj-lkp@xxxxxxxxx/
All errors (new ones prefixed by >>):
drivers/vhost/net.c: In function 'vhost_net_buf_peek_len':
>> drivers/vhost/net.c:206:41: error: initialization of 'struct xdp_desc *' from incompatible pointer type 'struct xdp_frame *' [-Werror=incompatible-pointer-types]
206 | struct xdp_desc *desc = tun_ptr_to_xdp_desc(ptr);
| ^~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
vim +206 drivers/vhost/net.c
198
199 static int vhost_net_buf_peek_len(void *ptr)
200 {
201 if (tun_is_xdp_frame(ptr)) {
202 struct xdp_frame *xdpf = tun_ptr_to_xdp(ptr);
203
204 return xdpf->len;
205 } else if (tun_is_xdp_desc_frame(ptr)) {
> 206 struct xdp_desc *desc = tun_ptr_to_xdp_desc(ptr);
207
208 return desc->len;
209 }
210
211 return __skb_array_len_with_tag(ptr);
212 }
213
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki