From: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Date: Sat, 7 Feb 2009 05:47:24 +0000 (-0800)
Subject: ixgbe: Defeature Tx Head writeback
X-Git-Tag: v2.6.30-rc1~662^2~804
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=12207e498b9b8f9f0c946db079ad17c7ca16cdf3;p=pandora-kernel.git

ixgbe: Defeature Tx Head writeback

Tx Head writeback is causing multi-microsecond stalls on PCIe chipsets, due
to partial cacheline writebacks.  Removing this feature removes these
issues.

Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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