iommu/amd: Do not force direct mapping when SME is active

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Do not force devices supporting IOMMUv2 to be direct mapped when memory
encryption is active. This might cause them to be unusable because their
DMA mask does not include the encryption bit.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
Link: https://lore.kernel.org/r/20200824105415.21000-2-joro@8bytes.org
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Joerg Roedel 2020-08-24 12:54:14 +02:00

parent e52d58d54a

commit 7cad554887

1 changed files with 6 additions and 1 deletions

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drivers/iommu/amd/iommu.c

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