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(parent: 434c5e3) | patch
ixgbe: Replace rmb in Tx cleanup with read_barrier_depends
authorAlexander Duyck <alexander.h.duyck@intel.com>
Tue, 8 Jan 2013 07:00:58 +0000 (07:00 +0000)
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>
Tue, 5 Feb 2013 09:44:19 +0000 (01:44 -0800)
commit7e63bf490151f7e457002fc046601bb6bb541fa3
treec8d2f06af100ecff7df4d774c16f59348afa1cc4tree | snapshot
parent434c5e3954642b4e87841b13084f42d18b9984adcommit | diff
ixgbe: 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: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c diff | blob | history
Domain: SCM / Uncategorized;