vhost-user: send set log base message only once

Commit Message

Yajun Wu Nov. 22, 2022, 5:14 a.m. UTC

Vhost message VHOST_USER_SET_LOG_BASE is device wide. So only
send it once with the first queue pair.

Signed-off-by: Yajun Wu <[e-mail]>
Acked-by: Parav Pandit <[e-mail]>
---
 hw/virtio/vhost-user.c | 5 +++++
 1 file changed, 5 insertions(+)

Patch

diff --git a/hw/virtio/vhost-user.c b/hw/virtio/vhost-user.c
index abe23d4ebe..b3bdf7921d 100644
--- a/hw/virtio/vhost-user.c
+++ b/hw/virtio/vhost-user.c
@@ -526,6 +526,11 @@  static int vhost_user_set_log_base(struct vhost_dev *dev, uint64_t base,
         .hdr.size = sizeof(msg.payload.log),
     };
 
+    /* Send only once with first queue pair */
+    if (dev->vq_index != 0) {
+        return 0;
+    }
+
     if (shmfd && log->fd != -1) {
         fds[fd_num++] = log->fd;
     }