Merge tag 'iommu-updates-v4.20' of git://git.kernel.org/pub/scm/linux/kernel/git...

[linux-2.6-block.git] / drivers / iommu / Kconfig

diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index 83e6d993fca5db328ad91cb1fe2c3bd7a27c2ee7..d9a25715650e40565ea0ac99884a5f87b3317d06 100644 (file)
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -186,6 +186,19 @@ config INTEL_IOMMU
          and include PCI device scope covered by these DMA
          remapping devices.
 
+config INTEL_IOMMU_DEBUGFS
+       bool "Export Intel IOMMU internals in Debugfs"
+       depends on INTEL_IOMMU && IOMMU_DEBUGFS
+       help
+         !!!WARNING!!!
+
+         DO NOT ENABLE THIS OPTION UNLESS YOU REALLY KNOW WHAT YOU ARE DOING!!!
+
+         Expose Intel IOMMU internals in Debugfs.
+
+         This option is -NOT- intended for production environments, and should
+         only be enabled for debugging Intel IOMMU.
+
 config INTEL_IOMMU_SVM
        bool "Support for Shared Virtual Memory with Intel IOMMU"
        depends on INTEL_IOMMU && X86