diff options
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/Kconfig | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig index aca76383f201..b510f67dfa49 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -15,7 +15,7 @@ menuconfig IOMMU_SUPPORT bool "IOMMU Hardware Support" depends on MMU default y - ---help--- + help Say Y here if you want to compile device drivers for IO Memory Management Units into the kernel. These devices usually allow to remap DMA requests and/or remap interrupts from other devices on the @@ -144,7 +144,7 @@ config AMD_IOMMU select IOMMU_IOVA select IOMMU_DMA depends on X86_64 && PCI && ACPI - ---help--- + help With this option you can enable support for AMD IOMMU hardware in your system. An IOMMU is a hardware component which provides remapping of DMA memory accesses from devices. With an AMD IOMMU you @@ -159,7 +159,7 @@ config AMD_IOMMU_V2 tristate "AMD IOMMU Version 2 driver" depends on AMD_IOMMU select MMU_NOTIFIER - ---help--- + help This option enables support for the AMD IOMMUv2 features of the IOMMU hardware. Select this option if you want to use devices that support the PCI PRI and PASID interface. @@ -167,7 +167,7 @@ config AMD_IOMMU_V2 config AMD_IOMMU_DEBUGFS bool "Enable AMD IOMMU internals in DebugFS" depends on AMD_IOMMU && IOMMU_DEBUGFS - ---help--- + help !!!WARNING!!! !!!WARNING!!! !!!WARNING!!! !!!WARNING!!! DO NOT ENABLE THIS OPTION UNLESS YOU REALLY, -REALLY- KNOW WHAT YOU ARE DOING!!! @@ -233,7 +233,7 @@ config INTEL_IOMMU_DEFAULT_ON config INTEL_IOMMU_BROKEN_GFX_WA bool "Workaround broken graphics drivers (going away soon)" depends on INTEL_IOMMU && BROKEN && X86 - ---help--- + help Current Graphics drivers tend to use physical address for DMA and avoid using DMA APIs. Setting this config option permits the IOMMU driver to set a unity map for @@ -244,7 +244,7 @@ config INTEL_IOMMU_BROKEN_GFX_WA config INTEL_IOMMU_FLOPPY_WA def_bool y depends on INTEL_IOMMU && X86 - ---help--- + help 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 @@ -266,7 +266,7 @@ config IRQ_REMAP bool "Support for Interrupt Remapping" depends on X86_64 && X86_IO_APIC && PCI_MSI && ACPI select DMAR_TABLE - ---help--- + help Supports Interrupt remapping for IO-APIC and MSI devices. To use x2apic mode in the CPU's which support x2APIC enhancements or to support platforms with CPU's having > 8 bit APIC ID, say Y. @@ -277,14 +277,14 @@ config OMAP_IOMMU depends on ARM && MMU || (COMPILE_TEST && (ARM || ARM64 || IA64 || SPARC)) depends on ARCH_OMAP2PLUS || COMPILE_TEST select IOMMU_API - ---help--- + help The OMAP3 media platform drivers depend on iommu support, if you need them say Y here. config OMAP_IOMMU_DEBUG bool "Export OMAP IOMMU internals in DebugFS" depends on OMAP_IOMMU && DEBUG_FS - ---help--- + help Select this to see extensive information about the internal state of OMAP IOMMU in debugfs. |