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(parent: e14efa5) | patch
iommu/amd: Do not force direct mapping when SME is active
authorJoerg Roedel <jroedel@suse.de>
Mon, 24 Aug 2020 10:54:14 +0000 (12:54 +0200)
committerJoerg Roedel <jroedel@suse.de>
Fri, 4 Sep 2020 10:07:08 +0000 (12:07 +0200)
commit2b266b47223f923dc0c4ea819b684a34f4eaff77
treeeef200f519adf1659fd7e52775a84cdb4ab9fe94tree | snapshot
parente14efa5cd10618fc55d23e77012251b20862bc19commit | diff
iommu/amd: Do not force direct mapping when SME is active

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>
drivers/iommu/amd/iommu.c diff | blob | history
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