From: Joerg Roedel <joerg.roedel@amd.com>
Date: Wed, 2 Sep 2009 14:55:24 +0000 (+0200)
Subject: x86/amd-iommu: Use 2-level page tables for dma_ops domains
X-Git-Tag: v2.6.32-rc1~727^2^2^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8f7a017ce05ed4522809448e169daa44fe6edeb1;p=pandora-kernel.git

x86/amd-iommu: Use 2-level page tables for dma_ops domains

The driver now supports a dynamic number of levels for IO
page tables. This allows to reduce the number of levels for
dma_ops domains by one because a dma_ops domain has usually
an address space size between 128MB and 4G.

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