netdev - Re: [PATCH net-next v5 4/9] vsock/loopback: add netns support

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Message-ID: <202508281824.3XZiIgxs-lkp@intel.com>
Date: Thu, 28 Aug 2025 18:35:21 +0800
From: kernel test robot <lkp@...el.com>
To: Bobby Eshleman <bobbyeshleman@...il.com>,
	Stefano Garzarella <sgarzare@...hat.com>,
	Shuah Khan <skhan@...uxfoundation.org>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Simon Horman <horms@...nel.org>,
	Stefan Hajnoczi <stefanha@...hat.com>,
	"Michael S. Tsirkin" <mst@...hat.com>,
	Jason Wang <jasowang@...hat.com>,
	Xuan Zhuo <xuanzhuo@...ux.alibaba.com>,
	Eugenio Pérez <eperezma@...hat.com>,
	"K. Y. Srinivasan" <kys@...rosoft.com>,
	Haiyang Zhang <haiyangz@...rosoft.com>,
	Wei Liu <wei.liu@...nel.org>, Dexuan Cui <decui@...rosoft.com>,
	Bryan Tan <bryan-bt.tan@...adcom.com>,
	Vishnu Dasa <vishnu.dasa@...adcom.com>,
	Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>
Cc: oe-kbuild-all@...ts.linux.dev, netdev@...r.kernel.org,
	virtualization@...ts.linux.dev, linux-kselftest@...r.kernel.org,
	linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
	linux-hyperv@...r.kernel.org,
	Bobby Eshleman <bobbyeshleman@...il.com>, berrange@...hat.com
Subject: Re: [PATCH net-next v5 4/9] vsock/loopback: add netns support

Hi Bobby,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 242041164339594ca019481d54b4f68a7aaff64e]

url:    https://github.com/intel-lab-lkp/linux/commits/Bobby-Eshleman/vsock-a-per-net-vsock-NS-mode-state/20250828-083629
base:   242041164339594ca019481d54b4f68a7aaff64e
patch link:    https://lore.kernel.org/r/20250827-vsock-vmtest-v5-4-0ba580bede5b%40meta.com
patch subject: [PATCH net-next v5 4/9] vsock/loopback: add netns support
config: nios2-randconfig-001-20250828 (https://download.01.org/0day-ci/archive/20250828/202508281824.3XZiIgxs-lkp@intel.com/config)
compiler: nios2-linux-gcc (GCC) 8.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250828/202508281824.3XZiIgxs-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/202508281824.3XZiIgxs-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> net/vmw_vsock/af_vsock.c:137:35: warning: 'vsock_net_callbacks' defined but not used [-Wunused-variable]
    static struct vsock_net_callbacks vsock_net_callbacks;
                                      ^~~~~~~~~~~~~~~~~~~


vim +/vsock_net_callbacks +137 net/vmw_vsock/af_vsock.c

   136	
 > 137	static struct vsock_net_callbacks vsock_net_callbacks;
   138	static DEFINE_MUTEX(vsock_net_callbacks_lock);
   139	

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