kernel test robot
2023-Mar-20 20:35 UTC
[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: i386-randconfig-s003
(https://download.01.org/0day-ci/archive/20230321/202303210403.LsRG8goQ-lkp at
intel.com/config)
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce:
# 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
make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
O=build_dir ARCH=i386 olddefconfig
make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
O=build_dir ARCH=i386 SHELL=/bin/bash drivers/virtio/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp at intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303210403.LsRG8goQ-lkp at
intel.com/
sparse warnings: (new ones prefixed by >>)>> drivers/virtio/virtio_mmio.c:293:16: sparse: sparse: incorrect type in
argument 1 (different base types) @@ expected unsigned int val @@ got
restricted __le32 [usertype] data @@
drivers/virtio/virtio_mmio.c:293:16: sparse: expected unsigned int val
drivers/virtio/virtio_mmio.c:293:16: sparse: got restricted __le32
[usertype] data
vim +293 drivers/virtio/virtio_mmio.c
287
288 static bool vm_notify_with_data(struct virtqueue *vq)
289 {
290 struct virtio_mmio_device *vm_dev = to_virtio_mmio_device(vq->vdev);
291 __le32 data = vring_fill_notification_data(vq);
292
> 293 writel(data, vm_dev->base + VIRTIO_MMIO_QUEUE_NOTIFY);
294
295 return true;
296 }
297
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests