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IB/mlx5: Added support for re-registration of MRs

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This patch adds support for re-registration of memory regions in MLX5.
The functionality is basically the same as deregister followed by
register, but attempts to reuse the existing resources as much as
possible.
Original memory keys are kept if possible, saving the need to
communicate new ones to remote peers.

Signed-off-by: Noa Osherovich <noaos@mellanox.com>
Reviewed-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Noa Osherovich 2016-02-29 16:46:51 +02:00 • committed by Doug Ledford
commit 56e11d628c
4 changed files with 227 additions and 3 deletions
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