From: Eric Dumazet <edumazet@google.com>
Date: Sun, 5 Oct 2014 09:35:11 +0000 (+0300)
Subject: net/mlx4_en: Avoid calling bswap in tx fast path
X-Git-Tag: fixes-against-v3.18-rc2~144^2~30^2~11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6a4e81211f475561ed87c613216f981fbef8b7fc;p=pandora-kernel.git

net/mlx4_en: Avoid calling bswap in tx fast path

- doorbell_qpn is stored in the cpu_to_be32() way to avoid bswap() in fast
  path.
- mdev->mr.key stored in ring->mr_key to also avoid bswap() and access to
  cold cache line.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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