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-rw-r--r--arch/x86/Kconfig63
1 files changed, 47 insertions, 16 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 1042d69b267d..469f3450bf81 100644
--- 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