HPET: make minimum reprogramming delta useful

[safe/jmp/linux-2.6] / arch / x86 / Kconfig

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index ac2fb06..ed92864 100644 (file)
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -577,35 +577,29 @@ config SWIOTLB
 
 config IOMMU_HELPER
        def_bool (CALGARY_IOMMU || GART_IOMMU || SWIOTLB || AMD_IOMMU)
 
 config IOMMU_HELPER
        def_bool (CALGARY_IOMMU || GART_IOMMU || SWIOTLB || AMD_IOMMU)

+

 config MAXSMP
        bool "Configure Maximum number of SMP Processors and NUMA Nodes"
 config MAXSMP
        bool "Configure Maximum number of SMP Processors and NUMA Nodes"

-       depends on X86_64 && SMP
+       depends on X86_64 && SMP && BROKEN

        default n
        help
          Configure maximum number of CPUS and NUMA Nodes for this architecture.
          If unsure, say N.
 
        default n
        help
          Configure maximum number of CPUS and NUMA Nodes for this architecture.
          If unsure, say N.
 

-if MAXSMP
-config NR_CPUS
-       int
-       default "4096"
-endif
-
-if !MAXSMP

 config NR_CPUS
 config NR_CPUS

-       int "Maximum number of CPUs (2-4096)"
-       range 2 4096
+       int "Maximum number of CPUs (2-512)" if !MAXSMP
+       range 2 512

        depends on SMP
        depends on SMP

+       default "4096" if MAXSMP

        default "32" if X86_NUMAQ || X86_SUMMIT || X86_BIGSMP || X86_ES7000
        default "8"
        help
          This allows you to specify the maximum number of CPUs which this
        default "32" if X86_NUMAQ || X86_SUMMIT || X86_BIGSMP || X86_ES7000
        default "8"
        help
          This allows you to specify the maximum number of CPUs which this

-         kernel will support.  The maximum supported value is 4096 and the
+         kernel will support.  The maximum supported value is 512 and the

          minimum value which makes sense is 2.
 
          This is purely to save memory - each supported CPU adds
          approximately eight kilobytes to the kernel image.
          minimum value which makes sense is 2.
 
          This is purely to save memory - each supported CPU adds
          approximately eight kilobytes to the kernel image.

-endif

 
 config SCHED_SMT
        bool "SMT (Hyperthreading) scheduler support"
 
 config SCHED_SMT
        bool "SMT (Hyperthreading) scheduler support"


@@ -951,9 +945,9 @@ config NUMA
          local memory controller of the CPU and add some more
          NUMA awareness to the kernel.
 
          local memory controller of the CPU and add some more
          NUMA awareness to the kernel.
 

-         For i386 this is currently highly experimental and should be only
+         For 32-bit this is currently highly experimental and should be only

          used for kernel development. It might also cause boot failures.
          used for kernel development. It might also cause boot failures.

-         For x86_64 this is recommended on all multiprocessor Opteron systems.
+         For 64-bit this is recommended on all multiprocessor Opteron systems.

          If the system is EM64T, you should say N unless your system is
          EM64T NUMA.
 
          If the system is EM64T, you should say N unless your system is
          EM64T NUMA.
 


@@ -996,17 +990,10 @@ config NUMA_EMU
          into virtual nodes when booted with "numa=fake=N", where N is the
          number of nodes. This is only useful for debugging.
 
          into virtual nodes when booted with "numa=fake=N", where N is the
          number of nodes. This is only useful for debugging.
 

-if MAXSMP
-

 config NODES_SHIFT
 config NODES_SHIFT

-       int
-       default "9"
-endif
-
-if !MAXSMP
-config NODES_SHIFT
-       int "Maximum NUMA Nodes (as a power of 2)"
+       int "Maximum NUMA Nodes (as a power of 2)" if !MAXSMP

        range 1 9   if X86_64
        range 1 9   if X86_64

+       default "9" if MAXSMP

        default "6" if X86_64
        default "4" if X86_NUMAQ
        default "3"
        default "6" if X86_64
        default "4" if X86_NUMAQ
        default "3"


@@ -1014,7 +1001,6 @@ config NODES_SHIFT
        help
          Specify the maximum number of NUMA Nodes available on the target
          system.  Increases memory reserved to accomodate various tables.
        help
          Specify the maximum number of NUMA Nodes available on the target
          system.  Increases memory reserved to accomodate various tables.

-endif

 
 config HAVE_ARCH_BOOTMEM_NODE
        def_bool y
 
 config HAVE_ARCH_BOOTMEM_NODE
        def_bool y


@@ -1263,7 +1249,7 @@ config KEXEC
          strongly in flux, so no good recommendation can be made.
 
 config CRASH_DUMP
          strongly in flux, so no good recommendation can be made.
 
 config CRASH_DUMP

-       bool "kernel crash dumps (EXPERIMENTAL)"
+       bool "kernel crash dumps"

        depends on X86_64 || (X86_32 && HIGHMEM)
        help
          Generate crash dump after being started by kexec.
        depends on X86_64 || (X86_32 && HIGHMEM)
        help
          Generate crash dump after being started by kexec.