Re: [PATCH 22/33] virtio_net: xsk: introduce xsk disable

* Re: [PATCH 22/33] virtio_net: xsk: introduce xsk disable
       [not found] <20230202110058.130695-23-xuanzhuo@linux.alibaba.com>
@ 2023-02-02 23:02 ` kernel test robot
  2023-02-12  7:56 ` kernel test robot
  1 sibling, 0 replies; 2+ messages in thread
From: kernel test robot @ 2023-02-02 23:02 UTC (permalink / raw)
  To: Xuan Zhuo, netdev
  Cc: oe-kbuild-all, Eric Dumazet, Jakub Kicinski, Paolo Abeni,
	Michael S. Tsirkin, Jason Wang, Björn Töpel,
	Magnus Karlsson, Maciej Fijalkowski, Jonathan Lemon,
	Alexei Starovoitov, Daniel Borkmann, Jesper Dangaard Brouer,
	John Fastabend, Sebastian Andrzej Siewior, Menglong Dong,
	Kuniyuki Iwashima, Petr Machata, virtualization, bpf

Hi Xuan,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on net-next/master]
[also build test WARNING on next-20230202]
[cannot apply to net/master mst-vhost/linux-next linus/master v6.2-rc6]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Xuan-Zhuo/virtio_ring-virtqueue_add-support-premapped/20230202-190707
patch link:    https://lore.kernel.org/r/20230202110058.130695-23-xuanzhuo%40linux.alibaba.com
patch subject: [PATCH 22/33] virtio_net: xsk: introduce xsk disable
config: nios2-randconfig-s033-20230202 (https://download.01.org/0day-ci/archive/20230203/202302030652.8JBKpzat-lkp@intel.com/config)
compiler: nios2-linux-gcc (GCC) 12.1.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.4-39-gce1a6720-dirty
        # https://github.com/intel-lab-lkp/linux/commit/3c385ac45368b585d2ca1a45263b4a0536cef0dd
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Xuan-Zhuo/virtio_ring-virtqueue_add-support-premapped/20230202-190707
        git checkout 3c385ac45368b585d2ca1a45263b4a0536cef0dd
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=nios2 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=nios2 SHELL=/bin/bash drivers/net/virtio/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>

sparse warnings: (new ones prefixed by >>)
>> drivers/net/virtio/xsk.c:133:35: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct xsk_buff_pool *pool @@     got struct xsk_buff_pool [noderef] __rcu *pool @@
   drivers/net/virtio/xsk.c:133:35: sparse:     expected struct xsk_buff_pool *pool
   drivers/net/virtio/xsk.c:133:35: sparse:     got struct xsk_buff_pool [noderef] __rcu *pool

vim +133 drivers/net/virtio/xsk.c

   116	
   117	static int virtnet_xsk_pool_disable(struct net_device *dev, u16 qid)
   118	{
   119		struct virtnet_info *vi = netdev_priv(dev);
   120		struct receive_queue *rq;
   121		struct send_queue *sq;
   122		int err1, err2;
   123	
   124		if (qid >= vi->curr_queue_pairs)
   125			return -EINVAL;
   126	
   127		sq = &vi->sq[qid];
   128		rq = &vi->rq[qid];
   129	
   130		virtio_dma_unmap(&vi->vdev->dev, sq->xsk.hdr_dma_address, vi->hdr_len,
   131				 DMA_TO_DEVICE);
   132	
 > 133		xsk_pool_dma_unmap(sq->xsk.pool, 0);

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

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