tree 05becdde5bd08f44d023ad5ef2ab2fd21b1050c0
parent 0ecc061d1967e9f2694502079e00d9d6e1e39072
author Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com> 1233985644 -0800
committer David S. Miller <davem@davemloft.net> 1233985644 -0800

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>