Merge branch 'linus' into x86/core

[linux-2.6-omap-h63xx.git] / arch / x86 / Kconfig

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 3d0f2b6a5a16e6edd6f349b4b19756a5d2cecff7..21ef9dd36187313b8e183c786bd6649bfa917ae8 100644 (file)
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -22,7 +22,6 @@ config X86
        select HAVE_IDE
        select HAVE_OPROFILE
        select HAVE_IOREMAP_PROT
-       select HAVE_GET_USER_PAGES_FAST
        select HAVE_KPROBES
        select ARCH_WANT_OPTIONAL_GPIOLIB
        select HAVE_KRETPROBES
@@ -578,35 +577,29 @@ config SWIOTLB
 
 config IOMMU_HELPER
        def_bool (CALGARY_IOMMU || GART_IOMMU || SWIOTLB || AMD_IOMMU)
+
 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.
 
-if MAXSMP
 config NR_CPUS
-       int
-       default "4096"
-endif
-
-if !MAXSMP
-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
+       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
-         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.
-endif
 
 config SCHED_SMT
        bool "SMT (Hyperthreading) scheduler support"
@@ -952,9 +945,9 @@ config NUMA
          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.
-         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.
 
@@ -997,17 +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.
 
-if MAXSMP
-
 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
+       default "9" if MAXSMP
        default "6" if X86_64
        default "4" if X86_NUMAQ
        default "3"
@@ -1015,7 +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.
-endif
 
 config HAVE_ARCH_BOOTMEM_NODE
        def_bool y
@@ -1264,7 +1249,7 @@ config KEXEC
          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.
@@ -1658,6 +1643,14 @@ config DMAR_FLOPPY_WA
         workaround will setup a 1:1 mapping for the first
         16M to make floppy (an ISA device) work.
 
+config INTR_REMAP
+       bool "Support for Interrupt Remapping (EXPERIMENTAL)"
+       depends on X86_64 && X86_IO_APIC && PCI_MSI && ACPI && EXPERIMENTAL
+       help
+        Supports Interrupt remapping for IO-APIC and MSI devices.
+        To use x2apic mode in the CPU's which support x2APIC enhancements or
+        to support platforms with CPU's having > 8 bit APIC ID, say Y.
+
 source "drivers/pci/pcie/Kconfig"
 
 source "drivers/pci/Kconfig"