From 70e535d1e5d1e4317e894d6228b762cf9c3fbc6a Mon Sep 17 00:00:00 2001
From: David Woodhouse <David.Woodhouse@intel.com>
Date: Tue, 31 May 2011 00:22:52 +0100
Subject: [PATCH] intel-iommu: Fix off-by-one in RMRR setup

We were mapping an extra byte (and hence usually an extra page):
iommu_prepare_identity_map() expects to be given an 'end' argument which
is the last byte to be mapped; not the first byte *not* to be mapped.

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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