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ixgbe: Defeature Tx Head writeback
authorPeter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Sat, 7 Feb 2009 05:47:24 +0000 (21:47 -0800)
committerDavid S. Miller <davem@davemloft.net>
Sat, 7 Feb 2009 05:47:24 +0000 (21:47 -0800)
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>

No differences found
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