Re: [PATCH net-next] sfc: don't rearm interrupts if busy polling
From: David Miller <davem@davemloft.net>
Date: 2017-02-06 16:59:49
From: Bert Kenward <redacted> Date: Mon, 6 Feb 2017 16:50:55 +0000
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.
Testing with a 7142 shows a small latency improvement of ~100 ns.
Signed-off-by: Bert Kenward <redacted>Applied.