From 55d940430ab91b89ff5fc7240555544d86475783 Mon Sep 17 00:00:00 2001
From: Joerg Roedel <jroedel@suse.de>
Date: Wed, 22 Jul 2015 16:50:40 +0200
Subject: [PATCH] iommu/vt-d: Get rid of domain->iommu_lock

When this lock is held the device_domain_lock is also
required to make sure the device_domain_info does not vanish
while in use. So this lock can be removed as it gives no
additional protection.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
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Reading git-format-patch failed