Messages in this thread Patch in this message | | | From | Joerg Roedel <> | Subject | [PATCH 08/22] AMD IOMMU: add Kconfig entry for statistic collection code | Date | Mon, 15 Dec 2008 15:17:51 +0100 |
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Impact: adds new Kconfig entry
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> --- arch/x86/Kconfig | 10 ++++++++++ 1 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index b9f7187..de65e30 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -567,6 +567,16 @@ 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 bool -- 1.5.6.4
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