diff options
| author | Adrian Moreno <amorenoz@redhat.com> | 2020-01-21 22:45:53 +0100 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2020-02-27 03:46:10 -0500 |
| commit | 67b3965e89f8466fc6a61caa2142dd2c89257383 (patch) | |
| tree | 32815d6577a8e524a5bf95ae27ca4474a574d972 | |
| parent | fd9b0830b0be0ea89cf30ad846a232e0c442a18a (diff) | |
vhost-user: only set slave channel for first vq
When multiqueue is enabled, a vhost_dev is created for each queue
pair. However, only one slave channel is needed.
Fixes: 4bbeeba023f2 (vhost-user: add slave-req-fd support)
Cc: marcandre.lureau@redhat.com
Signed-off-by: Adrian Moreno <amorenoz@redhat.com>
Message-Id: <20200121214553.28459-1-amorenoz@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
| -rw-r--r-- | hw/virtio/vhost-user.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/hw/virtio/vhost-user.c b/hw/virtio/vhost-user.c index 2e81f5514f..35baf4f347 100644 --- a/hw/virtio/vhost-user.c +++ b/hw/virtio/vhost-user.c @@ -1458,9 +1458,11 @@ static int vhost_user_backend_init(struct vhost_dev *dev, void *opaque) "VHOST_USER_PROTOCOL_F_LOG_SHMFD feature."); } - err = vhost_setup_slave_channel(dev); - if (err < 0) { - return err; + if (dev->vq_index == 0) { + err = vhost_setup_slave_channel(dev); + if (err < 0) { + return err; + } } u->postcopy_notifier.notify = vhost_user_postcopy_notifier; |