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

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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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Fenghua Yu 2009-08-04 15:10:59 -07:00 • committed by David Woodhouse

parent f532959b77

commit 33041ec049

1 changed files with 2 additions and 1 deletions

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drivers/pci/intel-iommu.c

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