From 969b5ee4e8d327915dd30ccabe8f320a0e1a5f89 Mon Sep 17 00:00:00 2001
From: Rob Bradford <robert.bradford@intel.com>
Date: Tue, 28 Jan 2020 12:04:11 +0000
Subject: [PATCH] vmm: config: Add warning about specifying "wce" without
 "vhost-user"

Currently configuring WCE is only supported when using vhost-user.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
---
 vmm/src/config.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/vmm/src/config.rs b/vmm/src/config.rs
index 7d1fcb622..17c99647f 100644
--- a/vmm/src/config.rs
+++ b/vmm/src/config.rs
@@ -441,6 +441,9 @@ impl DiskConfig {
             vhost_socket = Some(vhost_socket_str.to_owned());
         }
         if !wce_str.is_empty() {
+            if !vhost_user {
+                warn!("wce parameter currently only has effect when used vhost_user=true");
+            }
             wce = wce_str.parse().map_err(Error::ParseDiskWceParam)?;
         }