Merge branches 'x86/apic', 'x86/cpu', 'x86/fixmap', 'x86/mm', 'x86/sched', 'x86/setup...

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

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 1042d69b267d4489e78365b27ec158d10d06d0c7..469f3450bf813af117549a3234b73be12041d0d3 100644 (file)
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -40,6 +40,9 @@ config X86
        select HAVE_GENERIC_DMA_COHERENT if X86_32
        select HAVE_EFFICIENT_UNALIGNED_ACCESS
        select USER_STACKTRACE_SUPPORT
+       select HAVE_KERNEL_GZIP
+       select HAVE_KERNEL_BZIP2
+       select HAVE_KERNEL_LZMA
 
 config ARCH_DEFCONFIG
        string
@@ -235,6 +238,20 @@ config SMP
 
          If you don't know what to do here, say N.
 
+config X86_X2APIC
+       bool "Support x2apic"
+       depends on X86_LOCAL_APIC && X86_64
+       ---help---
+         This enables x2apic support on CPUs that have this feature.
+
+         This allows 32-bit apic IDs (so it can support very large systems),
+         and accesses the local apic via MSRs not via mmio.
+
+         ( On certain CPU models you may need to enable INTR_REMAP too,
+           to get functional x2apic mode. )
+
+         If you don't know what to do here, say N.
+
 config SPARSE_IRQ
        bool "Support sparse irq numbering"
        depends on PCI_MSI || HT_IRQ
@@ -271,6 +288,7 @@ config X86_BIGSMP
        ---help---
          This option is needed for the systems that have more than 8 CPUs
 
+if X86_32
 config X86_EXTENDED_PLATFORM
        bool "Support for extended (non-PC) x86 platforms"
        default y
@@ -279,12 +297,36 @@ config X86_EXTENDED_PLATFORM
          standard PC platforms. (which covers the vast majority of
          systems out there.)
 
-         If you enable this option then you'll be able to select a number
-         of non-PC x86 platforms.
+         If you enable this option then you'll be able to select support
+         for the following (non-PC) 32 bit x86 platforms:
+               AMD Elan
+               NUMAQ (IBM/Sequent)
+               RDC R-321x SoC
+               SGI 320/540 (Visual Workstation)
+               Summit/EXA (IBM x440)
+               Unisys ES7000 IA32 series
 
          If you have one of these systems, or if you want to build a
          generic distribution kernel, say Y here - otherwise say N.
+endif
+
+if X86_64
+config X86_EXTENDED_PLATFORM
+       bool "Support for extended (non-PC) x86 platforms"
+       default y
+       ---help---
+         If you disable this option then the kernel will only support
+         standard PC platforms. (which covers the vast majority of
+         systems out there.)
+
+         If you enable this option then you'll be able to select support
+         for the following (non-PC) 64 bit x86 platforms:
+               ScaleMP vSMP
+               SGI Ultraviolet
 
+         If you have one of these systems, or if you want to build a
+         generic distribution kernel, say Y here - otherwise say N.
+endif
 # This is an alphabetically sorted list of 64 bit extended platforms
 # Please maintain the alphabetic order if and when there are additions
 
@@ -302,6 +344,7 @@ config X86_UV
        bool "SGI Ultraviolet"
        depends on X86_64
        depends on X86_EXTENDED_PLATFORM
+       select X86_X2APIC
        ---help---
          This option is needed in order to support SGI Ultraviolet systems.
          If you don't have one of these, you should say N here.
@@ -382,19 +425,6 @@ config X86_ES7000
          Support for Unisys ES7000 systems.  Say 'Y' here if this kernel is
          supposed to run on an IA32-based Unisys ES7000 system.
 
-config X86_VOYAGER
-       bool "Voyager (NCR)"
-       depends on SMP && !PCI && BROKEN
-       depends on X86_32_NON_STANDARD
-       ---help---
-         Voyager is an MCA-based 32-way capable SMP architecture proprietary
-         to NCR Corp.  Machine classes 345x/35xx/4100/51xx are Voyager-based.
-
-         *** WARNING ***
-
-         If you do not specifically know you have a Voyager based machine,
-         say N here, otherwise the kernel you build will not be bootable.
-
 config SCHED_OMIT_FRAME_POINTER
        def_bool y
        prompt "Single-depth WCHAN output"
@@ -1795,7 +1825,7 @@ config DMAR
          remapping devices.
 
 config DMAR_DEFAULT_ON
-       def_bool n
+       def_bool y
        prompt "Enable DMA Remapping Devices by default"
        depends on DMAR
        help
@@ -1828,6 +1858,7 @@ config DMAR_FLOPPY_WA
 config INTR_REMAP
        bool "Support for Interrupt Remapping (EXPERIMENTAL)"
        depends on X86_64 && X86_IO_APIC && PCI_MSI && ACPI && EXPERIMENTAL
+       select X86_X2APIC
        ---help---
          Supports Interrupt remapping for IO-APIC and MSI devices.
          To use x2apic mode in the CPU's which support x2APIC enhancements or