x86/amd-iommu: Export cache-coherency capability

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This patch exports the capability of the AMD IOMMU to force
cache coherency of DMA transactions through the IOMMU-API.
This is required to disable some nasty hacks in KVM when
this capability is not available.

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

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Joerg Roedel 2010-07-27 17:14:24 +02:00

parent 6c54aabd5e

commit 80a506b8fd

1 changed files with 5 additions and 0 deletions

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arch/x86/kernel/amd_iommu.c

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