From 8501c45cc32c311ae755a2d5ac8c4a5f04908d42 Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Mon, 17 Nov 2008 19:11:46 +0100
Subject: [PATCH] AMD IOMMU: check for next_bit also in unmapped area

Impact: fix possible use of stale IO/TLB entries

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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