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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)
commit12207e498b9b8f9f0c946db079ad17c7ca16cdf3
tree05becdde5bd08f44d023ad5ef2ab2fd21b1050c0tree
parent0ecc061d1967e9f2694502079e00d9d6e1e39072commit | diff
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>
drivers/net/ixgbe/ixgbe_main.c diff | blob | blame | history
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