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authorJoerg Roedel <joerg.roedel@amd.com>2009-01-03 16:43:44 +0100
committerJoerg Roedel <joerg.roedel@amd.com>2009-01-03 16:43:44 +0100
commitb0a11f44aba631fd4b898b620c93cc2096f3f15c (patch)
tree71b8965d88d53ddeca2def77e2d74dc1af9fca52 /arch/x86/Kconfig
parent7398ca79d227f7cd7f2ce23f08624e30081dcb4e (diff)
parent0e93dd883537e628b809a2120854cd591c8935f1 (diff)
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Merge branches 'iommu/api' and 'iommu/amd' into for-linus
Diffstat (limited to 'arch/x86/Kconfig')
-rw-r--r--arch/x86/Kconfig10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 4737435b00d..862adb9bf0d 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -586,6 +586,16 @@ config AMD_IOMMU
your BIOS for an option to enable it or if you have an IVRS ACPI
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
config SWIOTLB
def_bool y if X86_64