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Date:   Sat, 1 Apr 2023 02:23:03 +0800
From:   kernel test robot <lkp@intel.com>
To:     Jesper Dangaard Brouer <brouer@redhat.com>, bpf@vger.kernel.org,
        Stanislav Fomichev <sdf@google.com>,
        Toke =?iso-8859-1?Q?H=F8iland-J=F8rgensen?= <toke@redhat.com>
Cc:     oe-kbuild-all@lists.linux.dev,
        Jesper Dangaard Brouer <brouer@redhat.com>,
        netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
        martin.lau@kernel.org, ast@kernel.org, daniel@iogearbox.net,
        alexandr.lobakin@intel.com, larysa.zaremba@intel.com,
        xdp-hints@xdp-project.net, anthony.l.nguyen@intel.com,
        yoong.siang.song@intel.com, boon.leong.ong@intel.com,
        intel-wired-lan@lists.osuosl.org, pabeni@redhat.com,
        jesse.brandeburg@intel.com, kuba@kernel.org, edumazet@google.com,
        john.fastabend@gmail.com, hawk@kernel.org, davem@davemloft.net,
        tariqt@nvidia.com
Subject: Re: [PATCH bpf V4 1/5] xdp: rss hash types representation
Message-ID: <202304010239.Jw6bKkWC-lkp@intel.com>
References: <168027498690.3941176.99100635661990098.stgit@firesoul>
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In-Reply-To: <168027498690.3941176.99100635661990098.stgit@firesoul>
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Hi Jesper,

I love your patch! Yet something to improve:

[auto build test ERROR on bpf/master]

url:    https://github.com/intel-lab-lkp/linux/commits/Jesper-Dangaard-Brouer/xdp-rss-hash-types-representation/20230331-230552
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git master
patch link:    https://lore.kernel.org/r/168027498690.3941176.99100635661990098.stgit%40firesoul
patch subject: [PATCH bpf V4 1/5] xdp: rss hash types representation
config: ia64-allyesconfig (https://download.01.org/0day-ci/archive/20230401/202304010239.Jw6bKkWC-lkp@intel.com/config)
compiler: ia64-linux-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/intel-lab-lkp/linux/commit/9fcbbefa76e6e88a86426d13ed79ea24aacffe76
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Jesper-Dangaard-Brouer/xdp-rss-hash-types-representation/20230331-230552
        git checkout 9fcbbefa76e6e88a86426d13ed79ea24aacffe76
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=ia64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=ia64 SHELL=/bin/bash drivers/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304010239.Jw6bKkWC-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/net/veth.c:1685:43: error: initialization of 'int (*)(const struct xdp_md *, u32 *, enum xdp_rss_hash_type *)' {aka 'int (*)(const struct xdp_md *, unsigned int *, enum xdp_rss_hash_type *)'} from incompatible pointer type 'int (*)(const struct xdp_md *, u32 *)' {aka 'int (*)(const struct xdp_md *, unsigned int *)'} [-Werror=incompatible-pointer-types]
    1685 |         .xmo_rx_hash                    = veth_xdp_rx_hash,
         |                                           ^~~~~~~~~~~~~~~~
   drivers/net/veth.c:1685:43: note: (near initialization for 'veth_xdp_metadata_ops.xmo_rx_hash')
   cc1: some warnings being treated as errors


vim +1685 drivers/net/veth.c

4456e7bdf74c9f Stephen Hemminger  2008-11-19  1682  
306531f0249f4e Stanislav Fomichev 2023-01-19  1683  static const struct xdp_metadata_ops veth_xdp_metadata_ops = {
306531f0249f4e Stanislav Fomichev 2023-01-19  1684  	.xmo_rx_timestamp		= veth_xdp_rx_timestamp,
306531f0249f4e Stanislav Fomichev 2023-01-19 @1685  	.xmo_rx_hash			= veth_xdp_rx_hash,
306531f0249f4e Stanislav Fomichev 2023-01-19  1686  };
306531f0249f4e Stanislav Fomichev 2023-01-19  1687  

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