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| author | Joerg Roedel <joerg.roedel@amd.com> | 2009-01-03 10:43:44 -0500 |
|---|---|---|
| committer | Joerg Roedel <joerg.roedel@amd.com> | 2009-01-03 10:43:44 -0500 |
| 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 | |||
| 586 | your BIOS for an option to enable it or if you have an IVRS ACPI | 586 | your BIOS for an option to enable it or if you have an IVRS ACPI |
| 587 | table. | 587 | table. |
| 588 | 588 | ||
| 589 | config AMD_IOMMU_STATS | ||
| 590 | bool "Export AMD IOMMU statistics to debugfs" | ||
| 591 | depends on AMD_IOMMU | ||
| 592 | select DEBUG_FS | ||
| 593 | help | ||
| 594 | This option enables code in the AMD IOMMU driver to collect various | ||
| 595 | statistics about whats happening in the driver and exports that | ||
| 596 | information to userspace via debugfs. | ||
| 597 | If unsure, say N. | ||
| 598 | |||
| 589 | # need this always selected by IOMMU for the VIA workaround | 599 | # need this always selected by IOMMU for the VIA workaround |
| 590 | config SWIOTLB | 600 | config SWIOTLB |
| 591 | def_bool y if X86_64 | 601 | def_bool y if X86_64 |