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authorMichael S. Tsirkin <mst@mellanox.co.il>2007-02-10 23:14:25 +0200
committerRoland Dreier <rolandd@cisco.com>2007-02-12 16:16:29 -0800
commitb2875d4c39759a732203db32f245cc6d8bbdd7cf (patch)
treeeba8311c0242da3298796d33e86a990aa2a7637f /net/ipv4
parentc20e20ab0f3af9a44842ea11287c9ecd034a5d33 (diff)
downloadblackbird-op-linux-b2875d4c39759a732203db32f245cc6d8bbdd7cf.tar.gz
blackbird-op-linux-b2875d4c39759a732203db32f245cc6d8bbdd7cf.zip
IB/mthca: Always fill MTTs from CPU
Speed up memory registration by filling in MTTs directly when the CPU can write directly to the whole table (all mem-free cards, and to Tavor mode on 64-bit systems with the patch I posted earlier). This reduces the number of FW commands needed to register an MR by at least a factor of 2 and speeds up memory registration significantly. Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
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