From 5dc03639cc903f887931831d69895facb5260f4b Mon Sep 17 00:00:00 2001
From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Date: Tue, 1 Mar 2011 16:46:45 -0500
Subject: [PATCH] xen/blkback: Utilize the M2P override mechanism for
 GNTMAP_host_map

Instead of doing copy grants lets do mapping grants using
the M2P(and P2M) override mechanism.

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

Conflicts:

	drivers/xen/blkback/blkback.c
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