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

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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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Joerg Roedel 2009-09-02 16:55:24 +02:00

parent bad1cac28a

commit 8f7a017ce0

1 changed files with 1 additions and 1 deletions

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arch/x86/kernel/amd_iommu.c

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