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Message-ID: <202406201437.JuUEpbZL-lkp@intel.com>
Date: Thu, 20 Jun 2024 14:40:03 +0800
From: kernel test robot <lkp@...el.com>
To: Heng Qi <hengqi@...ux.alibaba.com>, netdev@...r.kernel.org,
virtualization@...ts.linux.dev
Cc: oe-kbuild-all@...ts.linux.dev, Jason Wang <jasowang@...hat.com>,
"Michael S. Tsirkin" <mst@...hat.com>,
Xuan Zhuo <xuanzhuo@...ux.alibaba.com>,
Eugenio PĂ©rez <eperezma@...hat.com>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>
Subject: Re: [PATCH net-next v4 5/5] virtio_net: improve dim command request
efficiency
Hi Heng,
kernel test robot noticed the following build warnings:
[auto build test WARNING on net-next/main]
url: https://github.com/intel-lab-lkp/linux/commits/Heng-Qi/virtio_net-passing-control_buf-explicitly/20240620-002212
base: net-next/main
patch link: https://lore.kernel.org/r/20240619161908.82348-6-hengqi%40linux.alibaba.com
patch subject: [PATCH net-next v4 5/5] virtio_net: improve dim command request efficiency
config: x86_64-rhel-8.3 (https://download.01.org/0day-ci/archive/20240620/202406201437.JuUEpbZL-lkp@intel.com/config)
compiler: gcc-13 (Ubuntu 13.2.0-4ubuntu3) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240620/202406201437.JuUEpbZL-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/202406201437.JuUEpbZL-lkp@intel.com/
All warnings (new ones prefixed by >>):
drivers/net/virtio_net.c: In function 'virtnet_wait_command_response':
>> drivers/net/virtio_net.c:2771:22: warning: unused variable 'tmp' [-Wunused-variable]
2771 | unsigned int tmp;
| ^~~
vim +/tmp +2771 drivers/net/virtio_net.c
2bef89a476bb44 Heng Qi 2024-06-20 2767
2bef89a476bb44 Heng Qi 2024-06-20 2768 static bool virtnet_wait_command_response(struct virtnet_info *vi,
2bef89a476bb44 Heng Qi 2024-06-20 2769 struct control_buf *ctrl)
2bef89a476bb44 Heng Qi 2024-06-20 2770 {
2bef89a476bb44 Heng Qi 2024-06-20 @2771 unsigned int tmp;
2bef89a476bb44 Heng Qi 2024-06-20 2772 bool ok;
40cbfc37075a2a Amos Kong 2013-01-21 2773
ff0de8d3002c75 Heng Qi 2024-06-20 2774 wait_for_completion(&ctrl->completion);
40cbfc37075a2a Amos Kong 2013-01-21 2775
74b2bc860d5cb5 Heng Qi 2024-06-20 2776 ok = ctrl->status == VIRTIO_NET_OK;
30636258a7c917 Heng Qi 2024-05-30 2777 return ok;
40cbfc37075a2a Amos Kong 2013-01-21 2778 }
40cbfc37075a2a Amos Kong 2013-01-21 2779
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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