From: Jacob Keller <jacob.e.keller@intel.com>
Date: Sat, 21 Sep 2013 06:24:20 +0000 (+0000)
Subject: ixgbevf: implement CONFIG_NET_RX_BUSY_POLL
X-Git-Tag: v3.13-rc1~105^2~100^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c777cdfa4e69548f45078165d17828dd6711120f;p=pandora-kernel.git

ixgbevf: implement CONFIG_NET_RX_BUSY_POLL

This patch enables CONFIG_NET_RX_BUSY_POLL support in the VF code. This enables
sockets which have enabled the SO_BUSY_POLL socket option to use the
ndo_busy_poll_recv operation which could result in lower latency, at the cost
of higher CPU utilization, and increased power usage. This support is similar
to how the ixgbe driver works.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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