diff options
Diffstat (limited to 'arch/x86/Kconfig')
| -rw-r--r-- | arch/x86/Kconfig | 28 |
1 files changed, 0 insertions, 28 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 460d5737001..1b6a2e212db 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -680,34 +680,6 @@ config CALGARY_IOMMU_ENABLED_BY_DEFAULT Calgary anyway, pass 'iommu=calgary' on the kernel command line. If unsure, say Y. -config AMD_IOMMU - bool "AMD IOMMU support" - select SWIOTLB - select PCI_MSI - select PCI_IOV - select IOMMU_API - depends on X86_64 && PCI && ACPI - ---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 - can isolate the the DMA memory of different devices and protect the - system from misbehaving device drivers or hardware. - - You can find out if your system has an AMD IOMMU if you look into - your BIOS for an option to enable it or if you have an IVRS ACPI - table. - -config AMD_IOMMU_STATS - bool "Export AMD IOMMU statistics to debugfs" - depends on AMD_IOMMU - select DEBUG_FS - ---help--- - This option enables code in the AMD IOMMU driver to collect various - statistics about whats happening in the driver and exports that - information to userspace via debugfs. - If unsure, say N. - # need this always selected by IOMMU for the VIA workaround config SWIOTLB def_bool y if X86_64 |