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-20230210] [cannot apply to net/master mst-vhost/linux-next linus/master v6.2-rc7] [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/20230212/202302121555.BtDmbIKI-lkp@xxxxxxxxx/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@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202302121555.BtDmbIKI-lkp@xxxxxxxxx/ 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