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CONFIG_INTEL_IOMMU_DEFAULT_ON: Enable Intel DMA Remapping Devices by default

General informations

The Linux kernel configuration item CONFIG_INTEL_IOMMU_DEFAULT_ON has multiple definitions:

Enable Intel DMA Remapping Devices by default found in drivers/iommu/intel/Kconfig

The configuration item CONFIG_INTEL_IOMMU_DEFAULT_ON:

Help text

Selecting this option will enable a DMAR device at boot time if one is found. If this option is not selected, DMAR support can be enabled by passing intel_iommu=on to the kernel.

Enable Intel DMA Remapping Devices by default found in drivers/iommu/Kconfig

The configuration item CONFIG_INTEL_IOMMU_DEFAULT_ON:

Help text

Selecting this option will enable a DMAR device at boot time if one is found. If this option is not selected, DMAR support can be enabled by passing intel_iommu=on to the kernel.

Hardware

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