From 8a4d0b93c142a53c369998303d2114b5beeca7af Mon Sep 17 00:00:00 2001
From: Florian Westphal <fw@strlen.de>
Date: Wed, 7 Jan 2015 11:40:33 +0000
Subject: [PATCH] net: e1000: support txtd update delay via xmit_more

Don't update Tx tail descriptor if we queue hasn't been stopped and
we know at least one more skb will be sent right away.

Signed-off-by: Florian Westphal <fw@strlen.de>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Reading git-format-patch failed