diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-01-06 09:53:05 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-01-06 09:53:05 +0100 |
| commit | 3d7a96f5a485b7d06c2379f343d7312af89ec9e2 (patch) | |
| tree | 5f097f68eb0f9fd3fa4a10f38672e300e9127b10 /arch/x86/Kconfig | |
| parent | 723cbe0775514853c22dc45005af59c360916af1 (diff) | |
| parent | 238c6d54830c624f34ac9cf123ac04aebfca5013 (diff) | |
| download | blackbird-op-linux-3d7a96f5a485b7d06c2379f343d7312af89ec9e2.tar.gz blackbird-op-linux-3d7a96f5a485b7d06c2379f343d7312af89ec9e2.zip | |
Merge branch 'linus' into tracing/kmemtrace2
Diffstat (limited to 'arch/x86/Kconfig')
| -rw-r--r-- | arch/x86/Kconfig | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 0f44add3e0b7..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 @@ -599,21 +609,25 @@ config SWIOTLB config IOMMU_HELPER def_bool (CALGARY_IOMMU || GART_IOMMU || SWIOTLB || AMD_IOMMU) +config IOMMU_API + def_bool (AMD_IOMMU || DMAR) + config MAXSMP bool "Configure Maximum number of SMP Processors and NUMA Nodes" - depends on X86_64 && SMP && BROKEN + depends on X86_64 && SMP && DEBUG_KERNEL && EXPERIMENTAL + select CPUMASK_OFFSTACK default n help Configure maximum number of CPUS and NUMA Nodes for this architecture. If unsure, say N. config NR_CPUS - int "Maximum number of CPUs (2-512)" if !MAXSMP - range 2 512 - depends on SMP + int "Maximum number of CPUs" if SMP && !MAXSMP + range 2 512 if SMP && !MAXSMP + default "1" if !SMP default "4096" if MAXSMP - default "32" if X86_NUMAQ || X86_SUMMIT || X86_BIGSMP || X86_ES7000 - default "8" + default "32" if SMP && (X86_NUMAQ || X86_SUMMIT || X86_BIGSMP || X86_ES7000) + default "8" if SMP help This allows you to specify the maximum number of CPUs which this kernel will support. The maximum supported value is 512 and the |
