From: Haggai Eran <haggaie@mellanox.com>
Date: Thu, 11 Dec 2014 15:04:26 +0000 (+0200)
Subject: IB/mlx5: Implement on demand paging by adding support for MMU notifiers
X-Git-Tag: omap-for-v3.19/fixes-rc1~37^2^7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b4cfe447d47b5763f630412fd5dc5fbe66e991d1;p=pandora-kernel.git

IB/mlx5: Implement on demand paging by adding support for MMU notifiers

* Implement the relevant invalidation functions (zap MTTs as needed)
* Implement interlocking (and rollback in the page fault handlers) for
  cases of a racing notifier and fault.
* With this patch we can now enable the capability bits for supporting RC
  send/receive/RDMA read/RDMA write, and UD send.

Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Shachar Raindel <raindel@mellanox.com>
Signed-off-by: Haggai Eran <haggaie@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
---

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