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    SubjectRe: [PATCH] virtio: add VIRTIO_F_NOTIFICATION_DATA feature support
    Hi Viktor,

    Thank you for the patch! Perhaps something to improve:

    [auto build test WARNING on mst-vhost/linux-next]
    [also build test WARNING on linus/master v6.3-rc3 next-20230320]
    [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/Viktor-Prutyanov/virtio-add-VIRTIO_F_NOTIFICATION_DATA-feature-support/20230320-195725
    base: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git linux-next
    patch link: https://lore.kernel.org/r/20230320115451.1232171-1-viktor%40daynix.com
    patch subject: [PATCH] virtio: add VIRTIO_F_NOTIFICATION_DATA feature support
    config: loongarch-randconfig-s032-20230319 (https://download.01.org/0day-ci/archive/20230321/202303210441.xoa05PBS-lkp@intel.com/config)
    compiler: loongarch64-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/b6212a12ca1691dc346e5de046ec46bd3ce11247
    git remote add linux-review https://github.com/intel-lab-lkp/linux
    git fetch --no-tags linux-review Viktor-Prutyanov/virtio-add-VIRTIO_F_NOTIFICATION_DATA-feature-support/20230320-195725
    git checkout b6212a12ca1691dc346e5de046ec46bd3ce11247
    # save the config file
    mkdir build_dir && cp config build_dir/.config
    COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=loongarch olddefconfig
    COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=loongarch SHELL=/bin/bash drivers/virtio/

    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/202303210441.xoa05PBS-lkp@intel.com/

    sparse warnings: (new ones prefixed by >>)
    >> drivers/virtio/virtio_pci_common.c:54:19: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int [usertype] value @@ got restricted __le32 [usertype] data @@
    drivers/virtio/virtio_pci_common.c:54:19: sparse: expected unsigned int [usertype] value
    drivers/virtio/virtio_pci_common.c:54:19: sparse: got restricted __le32 [usertype] data

    vim +54 drivers/virtio/virtio_pci_common.c

    49
    50 bool vp_notify_with_data(struct virtqueue *vq)
    51 {
    52 __le32 data = vring_fill_notification_data(vq);
    53
    > 54 iowrite32(data, (void __iomem *)vq->priv);
    55
    56 return true;
    57 }
    58

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

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