x86: enable DMAR by default

[pandora-kernel.git] / arch / x86 / Kconfig

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 73f7fe8..bc2fbad 100644 (file)
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1802,6 +1802,17 @@ config DMAR
          and include PCI device scope covered by these DMA
          remapping devices.
 
+config DMAR_DEFAULT_ON
+       def_bool y
+       prompt "Enable DMA Remapping Devices by default"
+       depends on DMAR
+       help
+         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. It is
+         recommended you say N here while the DMAR code remains
+         experimental.
+
 config DMAR_GFX_WA
        def_bool y
        prompt "Support for Graphics workaround"