# Select 32 or 64 bit
config 64BIT
- bool "64-bit kernel"
- default n
+ bool "64-bit kernel" if ARCH = "x86"
+ default ARCH = "x86_64"
help
Say yes to build a 64-bit kernel - formerly known as x86_64
Say no to build a 32-bit kernel - formerly known as i386
### Arch settings
config X86
- bool
- default y
+ def_bool y
+ select HAVE_IDE
+ select HAVE_OPROFILE
+ select HAVE_KPROBES
+ select HAVE_KRETPROBES
+ select HAVE_KVM if ((X86_32 && !X86_VOYAGER && !X86_VISWS && !X86_NUMAQ) || X86_64)
+ select HAVE_ARCH_KGDB if !X86_VOYAGER
+
+
+config GENERIC_LOCKBREAK
+ def_bool n
config GENERIC_TIME
- bool
- default y
+ def_bool y
config GENERIC_CMOS_UPDATE
- bool
- default y
+ def_bool y
config CLOCKSOURCE_WATCHDOG
- bool
- default y
+ def_bool y
config GENERIC_CLOCKEVENTS
- bool
- default y
+ def_bool y
config GENERIC_CLOCKEVENTS_BROADCAST
- bool
- default y
+ def_bool y
depends on X86_64 || (X86_32 && X86_LOCAL_APIC)
config LOCKDEP_SUPPORT
- bool
- default y
+ def_bool y
config STACKTRACE_SUPPORT
- bool
- default y
+ def_bool y
-config SEMAPHORE_SLEEPERS
+config HAVE_LATENCYTOP_SUPPORT
+ def_bool y
+
+config FAST_CMPXCHG_LOCAL
bool
default y
config MMU
- bool
- default y
+ def_bool y
config ZONE_DMA
- bool
- default y
-
-config QUICKLIST
- bool
- default X86_32
+ def_bool y
config SBUS
bool
config GENERIC_ISA_DMA
- bool
- default y
+ def_bool y
config GENERIC_IOMAP
- bool
- default y
+ def_bool y
config GENERIC_BUG
- bool
- default y
+ def_bool y
depends on BUG
config GENERIC_HWEIGHT
- bool
- default y
+ def_bool y
+
+config GENERIC_GPIO
+ def_bool n
config ARCH_MAY_HAVE_PC_FDC
- bool
- default y
+ def_bool y
config DMI
- bool
- default y
+ def_bool y
config RWSEM_GENERIC_SPINLOCK
def_bool !X86_XADD
config ARCH_HAS_ILOG2_U64
def_bool n
+config ARCH_HAS_CPU_IDLE_WAIT
+ def_bool y
+
config GENERIC_CALIBRATE_DELAY
def_bool y
bool
default X86_64
+config ARCH_HAS_CPU_RELAX
+ def_bool y
+
+config HAVE_SETUP_PER_CPU_AREA
+ def_bool X86_64 || (X86_SMP && !X86_VOYAGER)
+config HAVE_CPUMASK_OF_CPU_MAP
+ def_bool X86_64_SMP
+config ARCH_HIBERNATION_POSSIBLE
+ def_bool y
+ depends on !SMP || !X86_VOYAGER
+config ARCH_SUSPEND_POSSIBLE
+ def_bool y
+ depends on !X86_VOYAGER
config ZONE_DMA32
bool
bool
default X86_64
+config ARCH_SUPPORTS_AOUT
+ def_bool y
+
+config ARCH_SUPPORTS_OPTIMIZED_INLINING
+ def_bool y
+
# Use the generic interrupt handling code in kernel/irq/:
config GENERIC_HARDIRQS
bool
config X86_SMP
bool
- depends on X86_32 && SMP && !X86_VOYAGER
+ depends on SMP && ((X86_32 && !X86_VOYAGER) || X86_64)
default y
+config X86_32_SMP
+ def_bool y
+ depends on X86_32 && SMP
+
+config X86_64_SMP
+ def_bool y
+ depends on X86_64 && SMP
+
config X86_HT
bool
- depends on SMP && !(X86_VISWS || X86_VOYAGER || MK8)
+ depends on SMP
+ depends on (X86_32 && !(X86_VISWS || X86_VOYAGER)) || X86_64
default y
config X86_BIOS_REBOOT
config X86_TRAMPOLINE
bool
- depends on X86_SMP || (X86_VOYAGER && SMP)
+ depends on X86_SMP || (X86_VOYAGER && SMP) || (64BIT && ACPI_SLEEP)
default y
config KTIME_SCALAR
Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
Management" code will be disabled if you say Y here.
- See also the <file:Documentation/smp.txt>,
- <file:Documentation/i386/IO-APIC.txt>,
+ See also <file:Documentation/i386/IO-APIC.txt>,
<file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at
<http://www.tldp.org/docs.html#howto>.
config X86_VOYAGER
bool "Voyager (NCR)"
- depends on X86_32
- select SMP if !BROKEN
+ depends on X86_32 && (SMP || BROKEN)
help
Voyager is an MCA-based 32-way capable SMP architecture proprietary
to NCR Corp. Machine classes 345x/35xx/4100/51xx are Voyager-based.
config X86_NUMAQ
bool "NUMAQ (IBM/Sequent)"
- select SMP
+ depends on SMP && X86_32
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,
Only choose this option if you have such a system, otherwise you
should say N here.
+config X86_RDC321X
+ bool "RDC R-321x SoC"
+ depends on X86_32
+ select M486
+ select X86_REBOOTFIXUPS
+ select GENERIC_GPIO
+ select LEDS_CLASS
+ select LEDS_GPIO
+ 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_VSMP
bool "Support for ScaleMP vSMP"
- depends on X86_64 && PCI
- help
+ select PARAVIRT
+ depends on X86_64
+ 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.
endchoice
config SCHED_NO_NO_OMIT_FRAME_POINTER
- bool "Single-depth WCHAN output"
- default y
+ def_bool y
+ prompt "Single-depth WCHAN output"
depends on X86_32
help
Calculate simpler /proc/<PID>/wchan values. If this option
If in doubt, say "Y".
-config PARAVIRT
- bool
- 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
- over full virtualization. However, when run without a hypervisor
- the kernel is theoretically slower and slightly larger.
-
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.
config VMI
bool "VMI Guest support"
select PARAVIRT
+ depends on X86_32
depends on !(X86_VISWS || X86_VOYAGER)
help
VMI provides a paravirtualized interface to the VMware ESX server
at the moment), by linking the kernel to a GPL-ed ROM module
provided by the hypervisor.
+config KVM_CLOCK
+ bool "KVM paravirtualized clock"
+ select PARAVIRT
+ depends on !(X86_VISWS || X86_VOYAGER)
+ help
+ Turning on this option will allow you to run a paravirtualized clock
+ when running over the KVM hypervisor. Instead of relying on a PIT
+ (or probably other) emulation by the underlying device model, the host
+ provides the guest with timing infrastructure such as time of day, and
+ system time
+
+config KVM_GUEST
+ bool "KVM Guest support"
+ select PARAVIRT
+ depends on !(X86_VISWS || X86_VOYAGER)
+ help
+ This option enables various optimizations for running under the KVM
+ hypervisor.
+
source "arch/x86/lguest/Kconfig"
+config PARAVIRT
+ bool "Enable paravirtualization code"
+ depends on !(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
+ over full virtualization. However, when run without a hypervisor
+ the kernel is theoretically slower and slightly larger.
+
endif
-config ACPI_SRAT
- bool
+config MEMTEST_BOOTPARAM
+ bool "Memtest boot parameter"
+ depends on X86_64
default y
+ help
+ This option adds a kernel parameter 'memtest', which allows memtest
+ to be disabled at boot. If this option is selected, memtest
+ functionality can be disabled with memtest=0 on the kernel
+ command line. The purpose of this option is to allow a single
+ kernel image to be distributed with memtest built in, but not
+ necessarily enabled.
+
+ If you are unsure how to answer this question, answer Y.
+
+config MEMTEST_BOOTPARAM_VALUE
+ int "Memtest boot parameter default value (0-4)"
+ depends on MEMTEST_BOOTPARAM
+ range 0 4
+ default 0
+ help
+ This option sets the default value for the kernel parameter
+ 'memtest', which allows memtest to be disabled at boot. If this
+ option is set to 0 (zero), the memtest kernel parameter will
+ default to 0, disabling memtest at bootup. If this option is
+ set to 4, the memtest kernel parameter will default to 4,
+ enabling memtest at bootup, and use that as pattern number.
+
+ If you are unsure how to answer this question, answer 0.
+
+config ACPI_SRAT
+ def_bool y
depends on X86_32 && ACPI && NUMA && (X86_SUMMIT || X86_GENERICARCH)
select ACPI_NUMA
config HAVE_ARCH_PARSE_SRAT
- bool
- default y
- depends on ACPI_SRAT
+ def_bool y
+ depends on ACPI_SRAT
config X86_SUMMIT_NUMA
- bool
- default y
+ def_bool y
depends on X86_32 && NUMA && (X86_SUMMIT || X86_GENERICARCH)
config X86_CYCLONE_TIMER
- bool
- default y
+ def_bool y
depends on X86_32 && X86_SUMMIT || X86_GENERICARCH
config ES7000_CLUSTERED_APIC
- bool
- default y
+ def_bool y
depends on SMP && X86_ES7000 && MPENTIUMIII
source "arch/x86/Kconfig.cpu"
config HPET_TIMER
- bool
+ def_bool X86_64
prompt "HPET Timer Support" if X86_32
- default X86_64
help
Use the IA-PC HPET (High Precision Event Timer) to manage
time in preference to the PIT and RTC, if a HPET is
Choose N to continue using the legacy 8254 timer.
config HPET_EMULATE_RTC
- bool
- depends on HPET_TIMER && RTC=y
- default y
+ def_bool y
+ depends on HPET_TIMER && (RTC=y || RTC=m || RTC_DRV_CMOS=m || RTC_DRV_CMOS=y)
# Mark as embedded because too many people got it wrong.
# The code disables itself when not needed.
If unsure, say Y.
config CALGARY_IOMMU_ENABLED_BY_DEFAULT
- bool "Should Calgary be enabled by default?"
- default y
+ def_bool y
+ prompt "Should Calgary be enabled by default?"
depends on CALGARY_IOMMU
help
Should Calgary be enabled by default? if you choose 'y', Calgary
Calgary anyway, pass 'iommu=calgary' on the kernel command line.
If unsure, say Y.
+config IOMMU_HELPER
+ def_bool (CALGARY_IOMMU || GART_IOMMU)
+
# need this always selected by IOMMU for the VIA workaround
config SWIOTLB
bool
config SCHED_SMT
bool "SMT (Hyperthreading) scheduler support"
- depends on (X86_64 && SMP) || (X86_32 && X86_HT)
+ depends on X86_HT
help
SMT scheduler support improves the CPU scheduler's decision making
when dealing with Intel Pentium 4 chips with HyperThreading at a
N here.
config SCHED_MC
- bool "Multi-core scheduler support"
- depends on (X86_64 && SMP) || (X86_32 && X86_HT)
- default y
+ def_bool y
+ prompt "Multi-core scheduler support"
+ depends on X86_HT
help
Multi-core scheduler support improves the CPU scheduler's decision
making when dealing with multi-core CPU chips at a cost of slightly
an IO-APIC, then the kernel will still run with no slowdown at all.
config X86_LOCAL_APIC
- bool
+ def_bool y
depends on X86_64 || (X86_32 && (X86_UP_APIC || ((X86_VISWS || SMP) && !X86_VOYAGER) || X86_GENERICARCH))
- default y
config X86_IO_APIC
- bool
+ def_bool y
depends on X86_64 || (X86_32 && (X86_UP_IOAPIC || (SMP && !(X86_VISWS || X86_VOYAGER)) || X86_GENERICARCH))
- default y
config X86_VISWS_APIC
- bool
+ def_bool y
depends on X86_32 && X86_VISWS
- default y
config X86_MCE
bool "Machine Check Exception"
the 386 and 486, so nearly everyone can say Y here.
config X86_MCE_INTEL
- bool "Intel MCE features"
+ def_bool y
+ prompt "Intel MCE features"
depends on X86_64 && X86_MCE && X86_LOCAL_APIC
- default y
help
Additional support for intel specific MCE features such as
the thermal monitor.
config X86_MCE_AMD
- bool "AMD MCE features"
+ def_bool y
+ prompt "AMD MCE features"
depends on X86_64 && X86_MCE && X86_LOCAL_APIC
- default y
help
Additional support for AMD specific MCE features such as
the DRAM Error Threshold.
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
Say N otherwise.
config X86_REBOOTFIXUPS
- bool "Enable X86 board specific fixups for reboot"
+ def_bool n
+ prompt "Enable X86 board specific fixups for reboot"
depends on X86_32 && X86
- default n
---help---
This enables chipset and/or board specific fixups to be done
in order to get reboot to work correctly. This is only needed on
system.
Currently, the only fixup is for the Geode machines using
- CS5530A and CS5536 chipsets.
+ CS5530A and CS5536 chipsets and the RDC R-321x SoC.
Say Y if you want to enable the fixup. Currently, it's safe to
enable this option even if you don't need it.
module will be called microcode.
config MICROCODE_OLD_INTERFACE
- bool
+ def_bool y
depends on MICROCODE
- default y
config X86_MSR
tristate "/dev/cpu/*/msr - Model-specific register support"
depends on X86_32
config HIGHMEM
- bool
+ def_bool y
depends on X86_32 && (HIGHMEM64G || HIGHMEM4G)
- default y
config X86_PAE
- bool "PAE (Physical Address Extension) Support"
- default n
+ def_bool n
+ prompt "PAE (Physical Address Extension) Support"
depends on X86_32 && !HIGHMEM4G
select RESOURCES_64BIT
help
depends on X86_32 && X86_SUMMIT && (!HIGHMEM64G || !ACPI)
config K8_NUMA
- bool "Old style AMD Opteron NUMA detection"
- depends on X86_64 && NUMA && PCI
- default y
- help
+ def_bool y
+ prompt "Old style AMD Opteron NUMA detection"
+ depends on X86_64 && NUMA && PCI
+ help
Enable K8 NUMA node topology detection. You should say Y here if
you have a multi processor AMD K8 system. This uses an old
method to read the NUMA configuration directly from the builtin
instead, which also takes priority if both are compiled in.
config X86_64_ACPI_NUMA
- bool "ACPI NUMA detection"
+ def_bool y
+ prompt "ACPI NUMA detection"
depends on X86_64 && NUMA && ACPI && PCI
select ACPI_NUMA
- default y
help
Enable ACPI SRAT based node topology detection.
+# Some NUMA nodes have memory ranges that span
+# other nodes. Even though a pfn is valid and
+# between a node's start and end pfns, it may not
+# reside on that node. See memmap_init_zone()
+# for details.
+config NODES_SPAN_OTHER_NODES
+ def_bool y
+ depends on X86_64_ACPI_NUMA
+
config NUMA_EMU
bool "NUMA emulation"
depends on X86_64 && NUMA
number of nodes. This is only useful for debugging.
config NODES_SHIFT
- int
+ int "Max num nodes shift(1-15)"
+ range 1 15 if X86_64
default "6" if X86_64
default "4" if X86_NUMAQ
default "3"
depends on NEED_MULTIPLE_NODES
config HAVE_ARCH_BOOTMEM_NODE
- bool
+ def_bool y
depends on X86_32 && NUMA
- default y
config ARCH_HAVE_MEMORY_PRESENT
- bool
+ def_bool y
depends on X86_32 && DISCONTIGMEM
- default y
config NEED_NODE_MEMMAP_SIZE
- bool
+ def_bool y
depends on X86_32 && (DISCONTIGMEM || SPARSEMEM)
- default y
config HAVE_ARCH_ALLOC_REMAP
- bool
+ def_bool y
depends on X86_32 && NUMA
- default y
config ARCH_FLATMEM_ENABLE
def_bool y
- depends on (X86_32 && ARCH_SELECT_MEMORY_MODEL && X86_PC) || (X86_64 && !NUMA)
+ depends on X86_32 && ARCH_SELECT_MEMORY_MODEL && X86_PC && !NUMA
config ARCH_DISCONTIGMEM_ENABLE
def_bool y
- depends on NUMA
+ depends on NUMA && X86_32
config ARCH_DISCONTIGMEM_DEFAULT
def_bool y
- depends on NUMA
+ depends on NUMA && X86_32
+
+config ARCH_SPARSEMEM_DEFAULT
+ def_bool y
+ depends on X86_64
config ARCH_SPARSEMEM_ENABLE
def_bool y
- depends on NUMA || (EXPERIMENTAL && (X86_PC || X86_64))
+ depends on X86_64 || NUMA || (EXPERIMENTAL && X86_PC)
select SPARSEMEM_STATIC if X86_32
select SPARSEMEM_VMEMMAP_ENABLE if X86_64
config ARCH_SELECT_MEMORY_MODEL
def_bool y
- depends on X86_32 && ARCH_SPARSEMEM_ENABLE
+ depends on ARCH_SPARSEMEM_ENABLE
config ARCH_MEMORY_PROBE
def_bool X86_64
See <file:Documentation/mtrr.txt> for more information.
+config X86_PAT
+ bool
+ prompt "x86 PAT support"
+ depends on MTRR
+ help
+ Use PAT attributes to setup page level cache control.
+
+ PATs are the modern equivalents of MTRRs and are much more
+ flexible than MTRRs.
+
+ Say N here if you see bootup problems (boot crash, boot hang,
+ spontaneous reboots) or a non-working video driver.
+
+ If unsure, say Y.
+
config EFI
- bool "Boot from EFI support"
- depends on X86_32 && ACPI
- default n
+ def_bool n
+ prompt "EFI runtime service support"
+ depends on ACPI
---help---
- This enables the kernel to boot on EFI platforms using
- system configuration information passed to it from the firmware.
- This also enables the kernel to use any EFI runtime services that are
+ This enables the kernel to use EFI runtime services that are
available (such as the EFI variable services).
- This option is only useful on systems that have EFI firmware
- and will result in a kernel image that is ~8k larger. In addition,
- you must use the latest ELILO loader available at
- <http://elilo.sourceforge.net> in order to take advantage of
- kernel initialization using EFI information (neither GRUB nor LILO know
- anything about EFI). However, even with this option, the resultant
- kernel should continue to boot on existing non-EFI platforms.
+ This option is only useful on systems that have EFI firmware.
+ In addition, you should use the latest ELILO loader available
+ at <http://elilo.sourceforge.net> in order to take advantage
+ of EFI runtime services. However, even with this option, the
+ resultant kernel should continue to boot on existing non-EFI
+ platforms.
config IRQBALANCE
- bool "Enable kernel irq balancing"
+ def_bool y
+ prompt "Enable kernel irq balancing"
depends on X86_32 && SMP && X86_IO_APIC
- default y
help
The default yes will allow the kernel to do irq load balancing.
Saying no will keep the kernel from doing irq load balancing.
-# turning this on wastes a bunch of space.
-# Summit needs it only when NUMA is on
-config BOOT_IOREMAP
- bool
- depends on X86_32 && (((X86_SUMMIT || X86_GENERICARCH) && NUMA) || (X86 && EFI))
- default y
-
config SECCOMP
- bool "Enable seccomp to safely compute untrusted bytecode"
+ def_bool y
+ prompt "Enable seccomp to safely compute untrusted bytecode"
depends on PROC_FS
- default y
help
This kernel feature is useful for number crunching applications
that may need to compute untrusted bytecode during their
config CC_STACKPROTECTOR
bool "Enable -fstack-protector buffer overflow detection (EXPERIMENTAL)"
- depends on X86_64 && EXPERIMENTAL
+ depends on X86_64 && EXPERIMENTAL && BROKEN
help
This option turns on the -fstack-protector GCC feature. This
feature puts, at the beginning of critical functions, a canary
config KEXEC
bool "kexec system call"
+ depends on X86_64 || X86_BIOS_REBOOT
help
kexec is a system call that implements the ability to shutdown your
current kernel, and to start another kernel. It is like a reboot
suspend.
config COMPAT_VDSO
- bool "Compat VDSO support"
- default y
- depends on X86_32
+ def_bool y
+ prompt "Compat VDSO support"
+ depends on X86_32 || IA32_EMULATION
help
- Map the VDSO to the predictable old-style address too.
+ Map the 32-bit VDSO to the predictable old-style address too.
---help---
Say N here if you are running a sufficiently recent glibc
version (2.3.3 or later), to remove the high-mapped
def_bool y
depends on X86_64 || (X86_32 && HIGHMEM)
-config MEMORY_HOTPLUG_RESERVE
- def_bool X86_64
- depends on (MEMORY_HOTPLUG && DISCONTIGMEM)
-
config HAVE_ARCH_EARLY_PFN_TO_NID
def_bool X86_64
depends on NUMA
-config OUT_OF_LINE_PFN_TO_PAGE
- def_bool X86_64
- depends on DISCONTIGMEM
-
menu "Power management options"
depends on !X86_VOYAGER
config ARCH_HIBERNATION_HEADER
- bool
+ def_bool y
depends on X86_64 && HIBERNATION
- default y
source "kernel/power/Kconfig"
source "drivers/acpi/Kconfig"
+config X86_APM_BOOT
+ bool
+ default y
+ depends on APM || APM_MODULE
+
menuconfig APM
tristate "APM (Advanced Power Management) BIOS support"
depends on X86_32 && PM_SLEEP && !X86_VISWS
machines with more than one CPU.
In order to use APM, you will need supporting software. For location
- and more information, read <file:Documentation/pm.txt> and the
+ and more information, read <file:Documentation/power/pm.txt> and the
Battery Powered Linux mini-HOWTO, available from
<http://www.tldp.org/docs.html#howto>.
menu "Bus options (PCI etc.)"
config PCI
- bool "PCI support" if !X86_VISWS
+ bool "PCI support" if !X86_VISWS && !X86_VSMP
depends on !X86_VOYAGER
- default y if X86_VISWS
+ default y
select ARCH_SUPPORTS_MSI if (X86_LOCAL_APIC && X86_IO_APIC)
help
Find out whether you have a PCI motherboard. PCI is the name of a
your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
VESA. If you have PCI, say Y, otherwise N.
- The PCI-HOWTO, available from
- <http://www.tldp.org/docs.html#howto>, contains valuable
- information about which PCI hardware does work under Linux and which
- doesn't.
-
choice
prompt "PCI access mode"
depends on X86_32 && PCI && !X86_VISWS
endchoice
config PCI_BIOS
- bool
+ def_bool y
depends on X86_32 && !X86_VISWS && PCI && (PCI_GOBIOS || PCI_GOANY)
- default y
# x86-64 doesn't support PCI BIOS access from long mode so always go direct.
config PCI_DIRECT
- bool
+ def_bool y
depends on PCI && (X86_64 || (PCI_GODIRECT || PCI_GOANY) || X86_VISWS)
- default y
config PCI_MMCONFIG
- bool
+ def_bool y
depends on X86_32 && PCI && ACPI && (PCI_GOMMCONFIG || PCI_GOANY)
- default y
config PCI_DOMAINS
- bool
+ def_bool y
depends on PCI
- default y
config PCI_MMCONFIG
bool "Support mmconfig PCI config space access"
remapping devices.
config DMAR_GFX_WA
- bool "Support for Graphics workaround"
+ def_bool y
+ prompt "Support for Graphics workaround"
depends on DMAR
- default y
help
Current Graphics drivers tend to use physical address
for DMA and avoid using DMA APIs. Setting this config
to use physical addresses for DMA.
config DMAR_FLOPPY_WA
- bool
+ def_bool y
depends on DMAR
- default y
help
Floppy disk drivers are know to bypass DMA API calls
thereby failing to work when IOMMU is enabled. This
# x86_64 have no ISA slots, but do have ISA-style DMA.
config ISA_DMA_API
- bool
- default y
+ def_bool y
if X86_32
other workaround is idle=poll boot option.
config GEODE_MFGPT_TIMER
- bool "Geode Multi-Function General Purpose Timer (MFGPT) events"
+ def_bool y
+ prompt "Geode Multi-Function General Purpose Timer (MFGPT) events"
depends on MGEODE_LX && GENERIC_TIME && GENERIC_CLOCKEVENTS
- default y
help
This driver provides a clock event source based on the MFGPT
timer(s) in the CS5535 and CS5536 companion chip for the geode.
config IA32_EMULATION
bool "IA32 Emulation"
depends on X86_64
+ select COMPAT_BINFMT_ELF
help
Include code to run 32-bit programs under a 64-bit kernel. You should
likely turn this on, unless you're 100% sure that you don't have any
config IA32_AOUT
tristate "IA32 a.out support"
- depends on IA32_EMULATION
+ depends on IA32_EMULATION && ARCH_SUPPORTS_AOUT
help
Support old a.out binaries in the 32bit emulation.
config COMPAT
- bool
+ def_bool y
depends on IA32_EMULATION
- default y
config COMPAT_FOR_U64_ALIGNMENT
def_bool COMPAT
depends on X86_64
config SYSVIPC_COMPAT
- bool
+ def_bool y
depends on X86_64 && COMPAT && SYSVIPC
- default y
endmenu
source "fs/Kconfig"
-source "kernel/Kconfig.instrumentation"
-
source "arch/x86/Kconfig.debug"
source "security/Kconfig"
source "crypto/Kconfig"
+source "arch/x86/kvm/Kconfig"
+
source "lib/Kconfig"
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff