From 61d047be99757fd9b0af900d7abce9a13a337488 Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Tue, 9 Jun 2009 17:56:09 +0200
Subject: [PATCH] x86: disable IOMMUs on kernel crash

If the IOMMUs are still enabled when the kexec kernel boots access to
the disk is not possible. This is bad for tools like kdump or anything
else which wants to use PCI devices.

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