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(parent: db2ee5b) | patch
igb: Map entire page and sync half instead of mapping and unmapping half pages
authorAlexander Duyck <alexander.h.duyck@intel.com>
Tue, 25 Sep 2012 00:31:02 +0000 (00:31 +0000)
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>
Fri, 19 Oct 2012 11:30:25 +0000 (04:30 -0700)
commitcbc8e55f6fdae27b667051b36040f66768ef79f2
treeb8bc5e6391da51786627aaa55d79fa384bb8b47atree | snapshot (tar.gz zip)
parentdb2ee5bdf5c83320fa19f73a38204585f1518798commit | diff
igb: Map entire page and sync half instead of mapping and unmapping half pages

This change makes it so that we map the entire page and just sync half of
it for the device at a time.  The advantage to this approach is that we can
avoid the locking on map/unmap seen in many IOMMU implementations.

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.h diff | blob | blame | history
drivers/net/ethernet/intel/igb/igb_ethtool.c diff | blob | blame | history
drivers/net/ethernet/intel/igb/igb_main.c diff | blob | blame | history