From: Haggai Eran <haggaie@mellanox.com>
Date: Thu, 11 Dec 2014 15:04:13 +0000 (+0200)
Subject: IB/core: Add umem function to read data from user-space
X-Git-Tag: omap-for-v3.19/fixes-rc1~37^2^7~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c5d76f130b286682b64c659eaf6af701e3d79a7b;p=pandora-kernel.git

IB/core: Add umem function to read data from user-space

In some drivers there's a need to read data from a user space area
that was pinned using ib_umem when running from a different process
context.

The ib_umem_copy_from function allows reading data from the physical
pages pinned in the ib_umem struct.

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

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