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(parent: 9d5a9d3) | patch
igb: Replace rmb in Tx cleanup with read_barrier_depends
authorAlexander Duyck <alexander.h.duyck@intel.com>
Tue, 8 Jan 2013 07:01:03 +0000 (07:01 +0000)
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>
Sat, 19 Jan 2013 12:58:30 +0000 (04:58 -0800)
commit13e9dfc48be7a989eb26d3a9e0b9b80e28135092
tree8db20235dfffa5d29428eec58c3e0070186af5fatree | snapshot
parent9d5a9d3e6daa13d20dfaf99e0429bbdc61303381commit | diff
igb: Replace rmb in Tx cleanup with read_barrier_depends

The rmb in the Tx cleanup path is a much stronger barrier than we really need.
All that is really needed is a read_barrier_depends since the location of the
EOP descriptor is dependent on the eop_desc value.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
drivers/net/ethernet/intel/igb/igb_main.c diff | blob | history
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