Merge branch 'x86/urgent' into core/percpu

Conflicts:
	arch/x86/kernel/acpi/boot.c

1 files changed, 11 insertions, 0 deletions

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index d6218e6c9824..5c8e353c1122 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1806,6 +1806,17 @@ config DMAR
           and include PCI device scope covered by these DMA
           remapping devices.
 
+config DMAR_DEFAULT_ON
+        def_bool n
+        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"