From 89cee917deb5bf0dc9da269a38622588d06cb6be Mon Sep 17 00:00:00 2001
From: Jason Wang <jasowang@redhat.com>
Date: Wed, 5 Jun 2013 23:54:34 +0000
Subject: [PATCH] macvtap: do not add self to waitqueue if doing a nonblock
 read

There's no need to add self to waitqueue if doing a nonblock read. This could
help to avoid the spinlock contention.

Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
Reading git-format-patch failed