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Commit 2e117604 authored by Joerg Roedel's avatar Joerg Roedel
Browse files

AMD IOMMU: add Kconfig entry for statistic collection code 



Impact: adds new Kconfig entry

Signed-off-by: default avatarJoerg Roedel <joerg.roedel@amd.com>
parent a4e267c8

arch/x86/Kconfig

+10 −0
Original line number Original line Diff line number Diff line
@@ -586,6 +586,16 @@ config AMD_IOMMU 
	  your BIOS for an option to enable it or if you have an IVRS ACPI

	  your BIOS for an option to enable it or if you have an IVRS ACPI

	  table.

	  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

# need this always selected by IOMMU for the VIA workaround

config SWIOTLB

config SWIOTLB

	def_bool y if X86_64

	def_bool y if X86_64