Hi Xiao,

Next time, could you please devtools/check-git-log.sh script before

I tihnk the commit title should be changed to:
net/virtio-user: fix device init in legacy-mem mode

On 05/17/2018 09:35 AM, Xiao Wang wrote:
In legacy-mem mode, memory event callback registering is not supported,
we should not return error in dev_init on this case.

Fixes: 12ecb2f63b12 ("net/virtio-user: support memory hotplug")

Signed-off-by: Xiao Wang <xiao.w.w...@intel.com>
Suggested-by: Tiwei Bie <tiwei....@intel.com>

I think the suggested-by line should go above the signed-off one,
as it was suggested before being implemented.

  drivers/net/virtio/virtio_user/virtio_user_dev.c | 7 +++++--
  1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/net/virtio/virtio_user/virtio_user_dev.c 
index 992a68757..bd16fbb60 100644
--- a/drivers/net/virtio/virtio_user/virtio_user_dev.c
+++ b/drivers/net/virtio/virtio_user/virtio_user_dev.c
@@ -445,8 +445,11 @@ virtio_user_dev_init(struct virtio_user_dev *dev, char 
*path, int queues,
if (rte_mem_event_callback_register(VIRTIO_USER_MEM_EVENT_CLB_NAME,
                                virtio_user_mem_event_cb, dev)) {
-               PMD_INIT_LOG(ERR, "Failed to register mem event callback\n");
-               return -1;
+               if (rte_errno != ENOTSUP) {
+                       PMD_INIT_LOG(ERR, "Failed to register mem event"
+                                       " callback\n");
+                       return -1;
+               }
return 0;

Apart above minor comments, the patch looks good to me:
Reviewed-by: Maxime Coquelin <maxime.coque...@redhat.com>

I'll handle the changes when applying.


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