From: Eli Cohen <eli@mellanox.com>
Date: Wed, 11 Sep 2013 13:35:36 +0000 (+0300)
Subject: IB/mlx5: Ensure proper synchronization accessing memory
X-Git-Tag: v3.12-rc6~20^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=54313907077ff4cf9a6d82d313afe8ac6cbdaff1;p=pandora-kernel.git

IB/mlx5: Ensure proper synchronization accessing memory

Call mlx5_ib_populate_pas() before mapping the DMA buffer to ensure
the hardware reads the values written by the CPU.

Found by: Haggai Eran <haggaie@mellanox.com>
Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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