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(parent: 6c54aab) | patch
x86/amd-iommu: Export cache-coherency capability
authorJoerg Roedel <joerg.roedel@amd.com>
Tue, 27 Jul 2010 15:14:24 +0000 (17:14 +0200)
committerJoerg Roedel <joerg.roedel@amd.com>
Tue, 27 Jul 2010 15:14:24 +0000 (17:14 +0200)
commit80a506b8fdcfa868bb53eb740f928217d0966fc1
tree07efb59ecb6050712262387aa2fe3b952743fda5tree | snapshot (tar.gz zip)
parent6c54aabd5e687092557f4881ce2d4013b971f293commit | diff
x86/amd-iommu: Export cache-coherency capability

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>
arch/x86/kernel/amd_iommu.c diff | blob | blame | history