From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH net-next] virtio_net: exploit napi_complete_done()
 return value
Date: Sat, 04 Feb 2017 19:39:01 -0500 (EST)
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Cc: netdev@vger.kernel.org, jasowang@redhat.com, mst@redhat.com,
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From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Sat, 04 Feb 2017 07:49:21 -0800

> From: Eric Dumazet <edumazet@google.com>
> 
> Since commit 364b6055738b ("net: busy-poll: return busypolling status to
> drivers"), napi_complete_done() returns a boolean that can be used
> by drivers to conditionally rearm interrupts.
> 
> This patch changes virtio_net to use this boolean to avoid a bit of
> overhead for busy-poll users.
> 
> Jason reports about 1.1% improvement for 1 byte TCP_RR (burst 100).
> 
> Signed-off-by: Eric Dumazet <edumazet@google.com>
> Acked-by: Jason Wang <jasowang@redhat.com>

Applied.