From: David Woodhouse <David.Woodhouse@intel.com>
Date: Wed, 8 Jul 2009 14:23:30 +0000 (+0100)
Subject: intel-iommu: Remove superfluous iova_alloc_lock from IOVA code
X-Git-Tag: v2.6.32-rc1~162^2~22
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3d39cecc4841e8d4c4abdb401d10180f5faaded0;p=pandora-kernel.git

intel-iommu: Remove superfluous iova_alloc_lock from IOVA code

We only ever obtain this lock immediately before the iova_rbtree_lock,
and release it immediately after the iova_rbtree_lock. So ditch it and
just use iova_rbtree_lock.

[v2: Remove the lockdep bits this time too]
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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