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Diffstat (limited to 'drivers/iommu/Kconfig')
| -rw-r--r-- | drivers/iommu/Kconfig | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig index f712da2..73c0716 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -25,6 +25,18 @@ config FSL_PAMU help Freescale PAMU support. +config DUMMY_IOMMU + bool "Dummy IOMMU support for VFIO (UNSAFE)" + select IOMMU_API + help + WARNING: Dummy IOMMU driver, only for platforms that don't have a + hardware IOMMU. This option does allow you to use VFIO device + assignment, but does not provide DMA memory isolation. + Only use this if you trust all VFIO users completely. + The dummy vfio iommu driver can be enabled via + /sys/kernel/vfio_iommu_dummy/enable_iommu_dummy attribute. + If unsure, say N. + # MSM IOMMU support config MSM_IOMMU bool "MSM IOMMU Support" |