diff options
Diffstat (limited to 'arch/x86_64/Kconfig')
-rw-r--r-- | arch/x86_64/Kconfig | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig index aab25f3ba3ce..5c9aaed589a5 100644 --- a/arch/x86_64/Kconfig +++ b/arch/x86_64/Kconfig | |||
@@ -750,6 +750,17 @@ config PCI_DOMAINS | |||
750 | depends on PCI | 750 | depends on PCI |
751 | default y | 751 | default y |
752 | 752 | ||
753 | config DMAR | ||
754 | bool "Support for DMA Remapping Devices (EXPERIMENTAL)" | ||
755 | depends on PCI_MSI && ACPI && EXPERIMENTAL | ||
756 | default y | ||
757 | help | ||
758 | DMA remapping(DMAR) devices support enables independent address | ||
759 | translations for Direct Memory Access(DMA) from Devices. | ||
760 | These DMA remapping devices are reported via ACPI tables | ||
761 | and includes pci device scope covered by these DMA | ||
762 | remapping device. | ||
763 | |||
753 | source "drivers/pci/pcie/Kconfig" | 764 | source "drivers/pci/pcie/Kconfig" |
754 | 765 | ||
755 | source "drivers/pci/Kconfig" | 766 | source "drivers/pci/Kconfig" |