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CONFIG_INTEL_IOMMU_FLOPPY_WA:

General informations

The Linux kernel configuration item CONFIG_INTEL_IOMMU_FLOPPY_WA has multiple definitions:

found in drivers/iommu/intel/Kconfig

The configuration item CONFIG_INTEL_IOMMU_FLOPPY_WA:

Help text

Floppy disk drivers are known to bypass DMA API calls thereby failing to work when IOMMU is enabled. This workaround will setup a 1:1 mapping for the first 16MiB to make floppy (an ISA device) work.

found in drivers/iommu/Kconfig

The configuration item CONFIG_INTEL_IOMMU_FLOPPY_WA:

Help text

Floppy disk drivers are known to bypass DMA API calls thereby failing to work when IOMMU is enabled. This workaround will setup a 1:1 mapping for the first 16MiB to make floppy (an ISA device) work.

Hardware

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