From: Fenghua Yu <fenghua.yu@intel.com>
Date: Tue, 4 Aug 2009 22:10:59 +0000 (-0700)
Subject: intel-iommu: Mask physical address to correct page size in intel_map_single()
X-Git-Tag: v2.6.31-rc6~43^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=33041ec049d39a6e0463c7edc7b6f631d24559e3;p=pandora-kernel.git

intel-iommu: Mask physical address to correct page size in intel_map_single()

The physical address passed to domain_pfn_mapping() should be rounded
down to the start of the MM page, not the VT-d page.

This issue causes kernel panic on PAGE_SIZE>VTD_PAGE_SIZE platforms e.g. ia64
platforms.

Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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