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| author | Joerg Roedel <joerg.roedel@amd.com> | 2009-01-03 16:43:44 +0100 |
|---|---|---|
| committer | Joerg Roedel <joerg.roedel@amd.com> | 2009-01-03 16:43:44 +0100 |
| commit | b0a11f44aba631fd4b898b620c93cc2096f3f15c (patch) | |
| tree | 71b8965d88d53ddeca2def77e2d74dc1af9fca52 /arch/x86/Kconfig | |
| parent | 7398ca79d227f7cd7f2ce23f08624e30081dcb4e (diff) | |
| parent | 0e93dd883537e628b809a2120854cd591c8935f1 (diff) | |
Merge branches 'iommu/api' and 'iommu/amd' into for-linus
Diffstat (limited to 'arch/x86/Kconfig')
| -rw-r--r-- | arch/x86/Kconfig | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 4737435b00d4..862adb9bf0d4 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 |