aboutsummaryrefslogtreecommitdiff
path: root/hw/virtio
diff options
context:
space:
mode:
authorAdrian Moreno <amorenoz@redhat.com>2020-01-21 22:45:53 +0100
committerMichael S. Tsirkin <mst@redhat.com>2020-02-27 03:46:10 -0500
commit67b3965e89f8466fc6a61caa2142dd2c89257383 (patch)
tree32815d6577a8e524a5bf95ae27ca4474a574d972 /hw/virtio
parentfd9b0830b0be0ea89cf30ad846a232e0c442a18a (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>
Diffstat (limited to 'hw/virtio')
-rw-r--r--hw/virtio/vhost-user.c8
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;