From 401e1d2489046103f360a1e651094f47b95bc207 Mon Sep 17 00:00:00 2001
From: Sergio Lopez <slp@redhat.com>
Date: Tue, 10 Mar 2020 05:34:40 -0400
Subject: [PATCH] vm-virtio: queue: fix a barrier comment at update_avail_event

The barrier had a comment coming from other context. Adjust it to be
relevant to its own context.

Signed-off-by: Sergio Lopez <slp@redhat.com>
---
 vm-virtio/src/queue.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/vm-virtio/src/queue.rs b/vm-virtio/src/queue.rs
index a6436e978..23b86991c 100644
--- a/vm-virtio/src/queue.rs
+++ b/vm-virtio/src/queue.rs
@@ -543,7 +543,7 @@ impl Queue {
             None => warn!("Can't update avail_event"),
         }
 
-        // This fence ensures all descriptor writes are visible before the index update is.
+        // This fence ensures the guest sees the value we've just written.
         fence(Ordering::Release);
     }