config ARCH_HIBERNATION_POSSIBLE
def_bool y
- depends on !SMP
config ARCH_SUSPEND_POSSIBLE
def_bool y
depends on SMP || (64BIT && ACPI_SLEEP)
default y
+config X86_32_LAZY_GS
+ def_bool y
+ depends on X86_32 && !CC_STACKPROTECTOR
+
config KTIME_SCALAR
def_bool X86_32
source "init/Kconfig"
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
---help---
This option is needed for the systems that have more than 8 CPUs
-config X86_NON_STANDARD
- bool "Support for non-standard x86 platforms"
+if X86_32
+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 a number
- of less common non-PC x86 platforms: VisWS, RDC321, SGI/UV.
+ 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
-config X86_VISWS
- bool "SGI 320/540 (Visual Workstation)"
- depends on X86_32 && PCI && X86_MPPARSE && PCI_GODIRECT
- depends on X86_NON_STANDARD
+if X86_64
+config X86_EXTENDED_PLATFORM
+ bool "Support for extended (non-PC) x86 platforms"
+ default y
---help---
- The SGI Visual Workstation series is an IA32-based workstation
- based on SGI systems chips with some legacy PC hardware attached.
+ If you disable this option then the kernel will only support
+ standard PC platforms. (which covers the vast majority of
+ systems out there.)
- Say Y here to create a kernel to run on the SGI 320 or 540.
+ 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
- A kernel compiled for the Visual Workstation will run on general
- PCs as well. See <file:Documentation/sgi-visws.txt> for details.
+ 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
-config X86_RDC321X
- bool "RDC R-321x SoC"
- depends on X86_32
- depends on X86_NON_STANDARD
- select M486
- select X86_REBOOTFIXUPS
+config X86_VSMP
+ bool "ScaleMP vSMP"
+ select PARAVIRT
+ depends on X86_64 && PCI
+ depends on X86_EXTENDED_PLATFORM
---help---
- This option is needed for RDC R-321x system-on-chip, also known
- as R-8610-(G).
- If you don't have one of these chips, you should say N here.
+ Support for ScaleMP vSMP systems. Say 'Y' here if this kernel is
+ supposed to run on these EM64T-based machines. Only choose this option
+ if you have one of these machines.
config X86_UV
bool "SGI Ultraviolet"
depends on X86_64
- depends on X86_NON_STANDARD
+ 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.
-config X86_VSMP
- bool "Support for ScaleMP vSMP"
- select PARAVIRT
- depends on X86_64 && PCI
- depends on X86_NON_STANDARD
- ---help---
- Support for ScaleMP vSMP systems. Say 'Y' here if this kernel is
- supposed to run on these EM64T-based machines. Only choose this option
- if you have one of these machines.
+# Following is an alphabetically sorted list of 32 bit extended platforms
+# Please maintain the alphabetic order if and when there are additions
config X86_ELAN
bool "AMD Elan"
depends on X86_32
- depends on X86_NON_STANDARD
+ depends on X86_EXTENDED_PLATFORM
---help---
Select this for an AMD Elan processor.
If unsure, choose "PC-compatible" instead.
+config X86_RDC321X
+ bool "RDC R-321x SoC"
+ depends on X86_32
+ depends on X86_EXTENDED_PLATFORM
+ select M486
+ select X86_REBOOTFIXUPS
+ ---help---
+ This option is needed for RDC R-321x system-on-chip, also known
+ as R-8610-(G).
+ If you don't have one of these chips, you should say N here.
+
config X86_32_NON_STANDARD
bool "Support non-standard 32-bit SMP architectures"
depends on X86_32 && SMP
- depends on X86_NON_STANDARD
+ depends on X86_EXTENDED_PLATFORM
---help---
This option compiles in the NUMAQ, Summit, bigsmp, ES7000, default
subarchitectures. It is intended for a generic binary kernel.
if you select them all, kernel will probe it one by one. and will
fallback to default.
+# Alphabetically sorted list of Non standard 32 bit platforms
+
config X86_NUMAQ
bool "NUMAQ (IBM/Sequent)"
depends on X86_32_NON_STANDARD
of Flat Logical. You will need a new lynxer.elf file to flash your
firmware with - send email to <Martin.Bligh@us.ibm.com>.
+config X86_VISWS
+ bool "SGI 320/540 (Visual Workstation)"
+ depends on X86_32 && PCI && X86_MPPARSE && PCI_GODIRECT
+ depends on X86_32_NON_STANDARD
+ ---help---
+ The SGI Visual Workstation series is an IA32-based workstation
+ based on SGI systems chips with some legacy PC hardware attached.
+
+ Say Y here to create a kernel to run on the SGI 320 or 540.
+
+ A kernel compiled for the Visual Workstation will run on general
+ PCs as well. See <file:Documentation/sgi-visws.txt> for details.
+
config X86_SUMMIT
bool "Summit/EXA (IBM x440)"
depends on X86_32_NON_STANDARD
In particular, it is needed for the x440.
config X86_ES7000
- bool "Support for Unisys ES7000 IA32 series"
+ bool "Unisys ES7000 IA32 series"
depends on X86_32_NON_STANDARD && X86_BIGSMP
---help---
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"
Additional support for AMD specific MCE features such as
the DRAM Error Threshold.
+config X86_MCE_THRESHOLD
+ depends on X86_MCE_AMD || X86_MCE_INTEL
+ bool
+ default y
+
config X86_MCE_NONFATAL
tristate "Check for non-fatal errors on AMD Athlon/Duron / Intel Pentium 4"
depends on X86_32 && X86_MCE
config CC_STACKPROTECTOR
bool "Enable -fstack-protector buffer overflow detection (EXPERIMENTAL)"
- depends on X86_64
select CC_STACKPROTECTOR_ALL
---help---
This option turns on the -fstack-protector GCC feature. This
remapping devices.
config DMAR_DEFAULT_ON
- def_bool n
+ def_bool y
prompt "Enable DMA Remapping Devices by default"
depends on DMAR
help
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
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff