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-rw-r--r--arch/x86/Kconfig.i38690
1 files changed, 53 insertions, 37 deletions
diff --git a/arch/x86/Kconfig.i386 b/arch/x86/Kconfig.i386
index 9fe63f10e57f..174b9092b46f 100644
--- a/arch/x86/Kconfig.i386
+++ b/arch/x86/Kconfig.i386
@@ -137,6 +137,7 @@ config X86_PC
config X86_ELAN
bool "AMD Elan"
+ depends on X86_32
help
Select this for an AMD Elan processor.
@@ -146,6 +147,7 @@ config X86_ELAN
config X86_VOYAGER
bool "Voyager (NCR)"
+ depends on X86_32
select SMP if !BROKEN
help
Voyager is an MCA-based 32-way capable SMP architecture proprietary
@@ -160,6 +162,7 @@ config X86_NUMAQ
bool "NUMAQ (IBM/Sequent)"
select SMP
select NUMA
+ depends on X86_32
help
This option is used for getting Linux to run on a (IBM/Sequent) NUMA
multiquad box. This changes the way that processors are bootstrapped,
@@ -169,7 +172,7 @@ config X86_NUMAQ
config X86_SUMMIT
bool "Summit/EXA (IBM x440)"
- depends on SMP
+ depends on X86_32 && SMP
help
This option is needed for IBM systems that use the Summit/EXA chipset.
In particular, it is needed for the x440.
@@ -179,7 +182,7 @@ config X86_SUMMIT
config X86_BIGSMP
bool "Support for other sub-arch SMP systems with more than 8 CPUs"
- depends on SMP
+ depends on X86_32 && SMP
help
This option is needed for the systems that have more than 8 CPUs
and if the system is not of any sub-arch type above.
@@ -188,6 +191,7 @@ config X86_BIGSMP
config X86_VISWS
bool "SGI 320/540 (Visual Workstation)"
+ depends on X86_32
help
The SGI Visual Workstation series is an IA32-based workstation
based on SGI systems chips with some legacy PC hardware attached.
@@ -199,6 +203,7 @@ config X86_VISWS
config X86_GENERICARCH
bool "Generic architecture (Summit, bigsmp, ES7000, default)"
+ depends on X86_32
help
This option compiles in the Summit, bigsmp, ES7000, default subarchitectures.
It is intended for a generic binary kernel.
@@ -206,7 +211,7 @@ config X86_GENERICARCH
config X86_ES7000
bool "Support for Unisys ES7000 IA32 series"
- depends on SMP
+ depends on X86_32 && SMP
help
Support for Unisys ES7000 systems. Say 'Y' here if this kernel is
supposed to run on an IA32-based Unisys ES7000 system.
@@ -218,6 +223,7 @@ endchoice
config SCHED_NO_NO_OMIT_FRAME_POINTER
bool "Single-depth WCHAN output"
default y
+ depends on X86_32
help
Calculate simpler /proc/<PID>/wchan values. If this option
is disabled then wchan values will recurse back to the
@@ -228,7 +234,7 @@ config SCHED_NO_NO_OMIT_FRAME_POINTER
config PARAVIRT
bool
- depends on !(X86_VISWS || X86_VOYAGER)
+ depends on X86_32 && !(X86_VISWS || X86_VOYAGER)
help
This changes the kernel so it can modify itself when it is run
under a hypervisor, potentially improving performance significantly
@@ -237,6 +243,7 @@ config PARAVIRT
menuconfig PARAVIRT_GUEST
bool "Paravirtualized guest support"
+ depends on X86_32
help
Say Y here to get to see options related to running Linux under
various hypervisors. This option alone does not add any kernel code.
@@ -264,7 +271,7 @@ endif
config ACPI_SRAT
bool
default y
- depends on ACPI && NUMA && (X86_SUMMIT || X86_GENERICARCH)
+ depends on X86_32 && ACPI && NUMA && (X86_SUMMIT || X86_GENERICARCH)
select ACPI_NUMA
config HAVE_ARCH_PARSE_SRAT
@@ -275,12 +282,12 @@ config HAVE_ARCH_PARSE_SRAT
config X86_SUMMIT_NUMA
bool
default y
- depends on NUMA && (X86_SUMMIT || X86_GENERICARCH)
+ depends on X86_32 && NUMA && (X86_SUMMIT || X86_GENERICARCH)
config X86_CYCLONE_TIMER
bool
default y
- depends on X86_SUMMIT || X86_GENERICARCH
+ depends on X86_32 && X86_SUMMIT || X86_GENERICARCH
config ES7000_CLUSTERED_APIC
bool
@@ -290,7 +297,8 @@ config ES7000_CLUSTERED_APIC
source "arch/x86/Kconfig.cpu"
config HPET_TIMER
- bool "HPET Timer Support"
+ bool
+ prompt "HPET Timer Support" if X86_32
help
This enables the use of the HPET for the kernel's internal timer.
HPET is the next generation timer replacing legacy 8254s.
@@ -341,7 +349,7 @@ source "kernel/Kconfig.preempt"
config X86_UP_APIC
bool "Local APIC support on uniprocessors"
- depends on !SMP && !(X86_VISWS || X86_VOYAGER || X86_GENERICARCH)
+ depends on X86_32 && !SMP && !(X86_VISWS || X86_VOYAGER || X86_GENERICARCH)
help
A local APIC (Advanced Programmable Interrupt Controller) is an
integrated interrupt controller in the CPU. If you have a single-CPU
@@ -366,17 +374,17 @@ config X86_UP_IOAPIC
config X86_LOCAL_APIC
bool
- depends on X86_UP_APIC || ((X86_VISWS || SMP) && !X86_VOYAGER) || X86_GENERICARCH
+ depends on X86_32 && (X86_UP_APIC || ((X86_VISWS || SMP) && !X86_VOYAGER) || X86_GENERICARCH)
default y
config X86_IO_APIC
bool
- depends on X86_UP_IOAPIC || (SMP && !(X86_VISWS || X86_VOYAGER)) || X86_GENERICARCH
+ depends on X86_32 && (X86_UP_IOAPIC || (SMP && !(X86_VISWS || X86_VOYAGER)) || X86_GENERICARCH)
default y
config X86_VISWS_APIC
bool
- depends on X86_VISWS
+ depends on X86_32 && X86_VISWS
default y
config X86_MCE
@@ -398,7 +406,7 @@ config X86_MCE
config X86_MCE_NONFATAL
tristate "Check for non-fatal errors on AMD Athlon/Duron / Intel Pentium 4"
- depends on X86_MCE
+ depends on X86_32 && X86_MCE
help
Enabling this feature starts a timer that triggers every 5 seconds which
will look at the machine check registers to see if anything happened.
@@ -411,14 +419,15 @@ config X86_MCE_NONFATAL
config X86_MCE_P4THERMAL
bool "check for P4 thermal throttling interrupt."
- depends on X86_MCE && (X86_UP_APIC || SMP) && !X86_VISWS
+ depends on X86_32 && X86_MCE && (X86_UP_APIC || SMP) && !X86_VISWS
help
Enabling this feature will cause a message to be printed when the P4
enters thermal throttling.
config VM86
- default y
bool "Enable VM86 support" if EMBEDDED
+ default y
+ depends on X86_32
help
This option is required by programs like DOSEMU to run 16-bit legacy
code on X86 processors. It also may be needed by software like
@@ -427,6 +436,7 @@ config VM86
config TOSHIBA
tristate "Toshiba Laptop support"
+ depends on X86_32
---help---
This adds a driver to safely access the System Management Mode of
the CPU on Toshiba portables with a genuine Toshiba BIOS. It does
@@ -442,6 +452,7 @@ config TOSHIBA
config I8K
tristate "Dell laptop support"
+ depends on X86_32
---help---
This adds a driver to safely access the System Management Mode
of the CPU on the Dell Inspiron 8000. The System Management Mode
@@ -462,7 +473,7 @@ config I8K
config X86_REBOOTFIXUPS
bool "Enable X86 board specific fixups for reboot"
- depends on X86
+ depends on X86_32 && X86
default n
---help---
This enables chipset and/or board specific fixups to be done
@@ -521,6 +532,7 @@ choice
prompt "High Memory Support"
default HIGHMEM4G if !X86_NUMAQ
default HIGHMEM64G if X86_NUMAQ
+ depends on X86_32
config NOHIGHMEM
bool "off"
@@ -580,6 +592,7 @@ choice
depends on EXPERIMENTAL
prompt "Memory split" if EMBEDDED
default VMSPLIT_3G
+ depends on X86_32
help
Select the desired split between kernel and user memory.
@@ -617,16 +630,17 @@ config PAGE_OFFSET
default 0x78000000 if VMSPLIT_2G_OPT
default 0x40000000 if VMSPLIT_1G
default 0xC0000000
+ depends on X86_32
config HIGHMEM
bool
- depends on HIGHMEM64G || HIGHMEM4G
+ depends on X86_32 && (HIGHMEM64G || HIGHMEM4G)
default y
config X86_PAE
bool "PAE (Physical Address Extension) Support"
default n
- depends on !HIGHMEM4G
+ depends on X86_32 && !HIGHMEM4G
select RESOURCES_64BIT
help
PAE is required for NX support, and furthermore enables
@@ -637,7 +651,7 @@ config X86_PAE
# Common NUMA Features
config NUMA
bool "Numa Memory Allocation and Scheduler Support (EXPERIMENTAL)"
- depends on SMP && HIGHMEM64G && (X86_NUMAQ || (X86_SUMMIT || X86_GENERICARCH) && ACPI) && EXPERIMENTAL
+ depends on X86_32 && SMP && HIGHMEM64G && (X86_NUMAQ || (X86_SUMMIT || X86_GENERICARCH) && ACPI) && EXPERIMENTAL
default n if X86_PC
default y if (X86_NUMAQ || X86_SUMMIT)
help
@@ -646,7 +660,7 @@ config NUMA
cause boot failures.
comment "NUMA (Summit) requires SMP, 64GB highmem support, ACPI"
- depends on X86_SUMMIT && (!HIGHMEM64G || !ACPI)
+ depends on X86_32 && X86_SUMMIT && (!HIGHMEM64G || !ACPI)
config NODES_SHIFT
int
@@ -656,27 +670,27 @@ config NODES_SHIFT
config HAVE_ARCH_BOOTMEM_NODE
bool
- depends on NUMA
+ depends on X86_32 && NUMA
default y
config ARCH_HAVE_MEMORY_PRESENT
bool
- depends on DISCONTIGMEM
+ depends on X86_32 && DISCONTIGMEM
default y
config NEED_NODE_MEMMAP_SIZE
bool
- depends on DISCONTIGMEM || SPARSEMEM
+ depends on X86_32 && (DISCONTIGMEM || SPARSEMEM)
default y
config HAVE_ARCH_ALLOC_REMAP
bool
- depends on NUMA
+ depends on X86_32 && NUMA
default y
config ARCH_FLATMEM_ENABLE
def_bool y
- depends on (ARCH_SELECT_MEMORY_MODEL && X86_PC)
+ depends on X86_32 && ARCH_SELECT_MEMORY_MODEL && X86_PC
config ARCH_DISCONTIGMEM_ENABLE
def_bool y
@@ -689,11 +703,11 @@ config ARCH_DISCONTIGMEM_DEFAULT
config ARCH_SPARSEMEM_ENABLE
def_bool y
depends on (NUMA || (X86_PC && EXPERIMENTAL))
- select SPARSEMEM_STATIC
+ select SPARSEMEM_STATIC if X86_32
config ARCH_SELECT_MEMORY_MODEL
def_bool y
- depends on ARCH_SPARSEMEM_ENABLE
+ depends on X86_32 && ARCH_SPARSEMEM_ENABLE
config ARCH_POPULATES_NODE_MAP
def_bool y
@@ -702,7 +716,7 @@ source "mm/Kconfig"
config HIGHPTE
bool "Allocate 3rd-level pagetables from highmem"
- depends on HIGHMEM4G || HIGHMEM64G
+ depends on X86_32 && (HIGHMEM4G || HIGHMEM64G)
help
The VM uses one page table entry for each page of physical memory.
For systems with a lot of RAM, this can be wasteful of precious
@@ -710,7 +724,8 @@ config HIGHPTE
entries in high memory.
config MATH_EMULATION
- bool "Math emulation"
+ bool
+ prompt "Math emulation" if X86_32
---help---
Linux can emulate a math coprocessor (used for floating point
operations) if you don't have one. 486DX and Pentium processors have
@@ -770,7 +785,7 @@ config MTRR
config EFI
bool "Boot from EFI support"
- depends on ACPI
+ depends on X86_32 && ACPI
default n
---help---
This enables the kernel to boot on EFI platforms using
@@ -788,7 +803,7 @@ config EFI
config IRQBALANCE
bool "Enable kernel irq balancing"
- depends on SMP && X86_IO_APIC
+ depends on X86_32 && SMP && X86_IO_APIC
default y
help
The default yes will allow the kernel to do irq load balancing.
@@ -798,7 +813,7 @@ config IRQBALANCE
# Summit needs it only when NUMA is on
config BOOT_IOREMAP
bool
- depends on (((X86_SUMMIT || X86_GENERICARCH) && NUMA) || (X86 && EFI))
+ depends on X86_32 && (((X86_SUMMIT || X86_GENERICARCH) && NUMA) || (X86 && EFI))
default y
config SECCOMP
@@ -907,7 +922,8 @@ config RELOCATABLE
kernel.
config PHYSICAL_ALIGN
- hex "Alignment value to which kernel should be aligned"
+ hex
+ prompt "Alignment value to which kernel should be aligned" if X86_32
default "0x100000"
range 0x2000 0x400000
help
@@ -940,6 +956,7 @@ config HOTPLUG_CPU
config COMPAT_VDSO
bool "Compat VDSO support"
default y
+ depends on X86_32
help
Map the VDSO to the predictable old-style address too.
---help---
@@ -974,7 +991,7 @@ config GENERIC_PENDING_IRQ
config X86_SMP
bool
- depends on SMP && !X86_VOYAGER
+ depends on X86_32 && SMP && !X86_VOYAGER
default y
config X86_HT
@@ -984,7 +1001,7 @@ config X86_HT
config X86_BIOS_REBOOT
bool
- depends on !(X86_VISWS || X86_VOYAGER)
+ depends on X86_32 && !(X86_VISWS || X86_VOYAGER)
default y
config X86_TRAMPOLINE
@@ -993,7 +1010,6 @@ config X86_TRAMPOLINE
default y
config KTIME_SCALAR
- bool
- default y
+ def_bool X86_32
source "arch/x86/Kconfig"
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-20 02:27:12 +0300