select ARCH_WANT_FRAME_POINTERS
select HAVE_DMA_ATTRS
select HAVE_KRETPROBES
+ select HAVE_OPTPROBES
select HAVE_FTRACE_MCOUNT_RECORD
select HAVE_DYNAMIC_FTRACE
select HAVE_FUNCTION_TRACER
select HAVE_GENERIC_DMA_COHERENT if X86_32
select HAVE_EFFICIENT_UNALIGNED_ACCESS
select USER_STACKTRACE_SUPPORT
+ select HAVE_REGS_AND_STACK_ACCESS_API
select HAVE_DMA_API_DEBUG
select HAVE_KERNEL_GZIP
select HAVE_KERNEL_BZIP2
select HAVE_KERNEL_LZMA
+ select HAVE_KERNEL_LZO
+ select HAVE_HW_BREAKPOINT
+ select HAVE_MIXED_BREAKPOINTS_REGS
+ select PERF_EVENTS
+ select HAVE_PERF_EVENTS_NMI
+ select ANON_INODES
select HAVE_ARCH_KMEMCHECK
+ select HAVE_USER_RETURN_NOTIFIER
+ select HAVE_GENERIC_HARDIRQS
+ select HAVE_SPARSE_IRQ
+ select GENERIC_IRQ_PROBE
+ select GENERIC_PENDING_IRQ if SMP
+
+config INSTRUCTION_DECODER
+ def_bool (KPROBES || PERF_EVENTS)
config OUTPUT_FORMAT
string
default "arch/x86/configs/i386_defconfig" if X86_32
default "arch/x86/configs/x86_64_defconfig" if X86_64
-config GENERIC_TIME
- def_bool y
-
config GENERIC_CMOS_UPDATE
def_bool y
config SBUS
bool
+config NEED_DMA_MAP_STATE
+ def_bool (X86_64 || DMAR || DMA_API_DEBUG)
+
+config NEED_SG_DMA_LENGTH
+ def_bool y
+
config GENERIC_ISA_DMA
def_bool y
config ARCH_SUPPORTS_DEBUG_PAGEALLOC
def_bool y
+config HAVE_EARLY_RES
+ def_bool y
+
config HAVE_INTEL_TXT
def_bool y
depends on EXPERIMENTAL && DMAR && ACPI
-# Use the generic interrupt handling code in kernel/irq/:
-config GENERIC_HARDIRQS
- bool
- default y
-
-config GENERIC_HARDIRQS_NO__DO_IRQ
- def_bool y
-
-config GENERIC_IRQ_PROBE
- bool
- default y
-
-config GENERIC_PENDING_IRQ
- bool
- depends on GENERIC_HARDIRQS && SMP
- default y
-
config USE_GENERIC_SMP_HELPERS
def_bool y
depends on SMP
depends on X86_64 && SMP
config X86_HT
- bool
+ def_bool y
depends on SMP
- default y
config X86_TRAMPOLINE
- bool
+ 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 ARCH_HWEIGHT_CFLAGS
+ string
+ default "-fcall-saved-ecx -fcall-saved-edx" if X86_32
+ default "-fcall-saved-rdi -fcall-saved-rsi -fcall-saved-rdx -fcall-saved-rcx -fcall-saved-r8 -fcall-saved-r9 -fcall-saved-r10 -fcall-saved-r11" if X86_64
+
config KTIME_SCALAR
def_bool X86_32
+
+config ARCH_CPU_PROBE_RELEASE
+ def_bool y
+ depends on HOTPLUG_CPU
+
source "init/Kconfig"
source "kernel/Kconfig.freezer"
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 enables support for sparse irqs. This is useful for distro
- kernels that want to define a high CONFIG_NR_CPUS value but still
- want to have low kernel memory footprint on smaller machines.
-
- ( Sparse IRQs can also be beneficial on NUMA boxes, as they spread
- out the irq_desc[] array in a more NUMA-friendly way. )
-
- If you don't know what to do here, say N.
-
-config NUMA_IRQ_DESC
- def_bool y
- depends on SPARSE_IRQ && NUMA
-
config X86_MPPARSE
bool "Enable MPS table" if ACPI
default y
config X86_MRST
bool "Moorestown MID platform"
+ depends on PCI
+ depends on PCI_GOANY
depends on X86_32
depends on X86_EXTENDED_PLATFORM
+ depends on X86_IO_APIC
+ select APB_TIMER
---help---
Moorestown is Intel's Low Power Intel Architecture (LPIA) based Moblin
Internet Device(MID) platform. Moorestown consists of two chips:
config X86_NUMAQ
bool "NUMAQ (IBM/Sequent)"
depends on X86_32_NON_STANDARD
+ depends on PCI
select NUMA
select X86_MPPARSE
---help---
firmware with - send email to <Martin.Bligh@us.ibm.com>.
config X86_SUPPORTS_MEMORY_FAILURE
- bool
+ def_bool y
# MCE code calls memory_failure():
depends on X86_MCE
# On 32-bit this adds too big of NODES_SHIFT and we run out of page flags:
# On 32-bit SPARSEMEM adds too big of SECTIONS_WIDTH:
depends on X86_64 || !SPARSEMEM
select ARCH_SUPPORTS_MEMORY_FAILURE
- default y
config X86_VISWS
bool "SGI 320/540 (Visual Workstation)"
source "arch/x86/xen/Kconfig"
config VMI
- bool "VMI Guest support"
+ bool "VMI Guest support (DEPRECATED)"
select PARAVIRT
depends on X86_32
---help---
at the moment), by linking the kernel to a GPL-ed ROM module
provided by the hypervisor.
+ As of September 2009, VMware has started a phased retirement
+ of this feature from VMware's products. Please see
+ feature-removal-schedule.txt for details. If you are
+ planning to enable this option, please note that you cannot
+ live migrate a VMI enabled VM to a future VMware product,
+ which doesn't support VMI. So if you expect your kernel to
+ seamlessly migrate to newer VMware products, keep this
+ disabled.
+
config KVM_CLOCK
bool "KVM paravirtualized clock"
select PARAVIRT
config PARAVIRT_CLOCK
bool
- default n
endif
Enable to debug paravirt_ops internals. Specifically, BUG if
a paravirt_op is missing when it is called.
+config NO_BOOTMEM
+ default y
+ bool "Disable Bootmem code"
+ ---help---
+ Use early_res directly instead of bootmem before slab is ready.
+ - allocator (buddy) [generic]
+ - early allocator (bootmem) [generic]
+ - very early allocator (reserve_early*()) [x86]
+ - very very early allocator (early brk model) [x86]
+ So reduce one layer between early allocator to final allocator
+
+
config MEMTEST
bool "Memtest"
---help---
def_bool y
depends on HPET_TIMER && (RTC=y || RTC=m || RTC_DRV_CMOS=m || RTC_DRV_CMOS=y)
+config APB_TIMER
+ def_bool y if MRST
+ prompt "Langwell APB Timer Support" if X86_MRST
+ help
+ APB timer is the replacement for 8254, HPET on X86 MID platforms.
+ The APBT provides a stable time base on SMP
+ systems, unlike the TSC, but it is more expensive to access,
+ as it is off-chip. APB timers are always running regardless of CPU
+ C states, they are used as per CPU clockevent device when possible.
+
# Mark as embedded because too many people got it wrong.
# The code disables itself when not needed.
config DMI
bool "GART IOMMU support" if EMBEDDED
default y
select SWIOTLB
- depends on X86_64 && PCI
+ depends on X86_64 && PCI && K8_NB
---help---
Support for full DMA access of devices with 32bit memory access only
on systems with more than 3GB. This is usually needed for USB,
def_bool (AMD_IOMMU || DMAR)
config MAXSMP
- bool "Configure Maximum number of SMP Processors and NUMA Nodes"
+ bool "Enable Maximum number of SMP Processors and NUMA Nodes"
depends on X86_64 && SMP && DEBUG_KERNEL && EXPERIMENTAL
select CPUMASK_OFFSTACK
- default n
---help---
- Configure maximum number of CPUS and NUMA Nodes for this architecture.
+ Enable maximum number of CPUS and NUMA Nodes for this architecture.
If unsure, say N.
config NR_CPUS
config X86_REROUTE_FOR_BROKEN_BOOT_IRQS
bool "Reroute for broken boot IRQs"
- default n
depends on X86_IO_APIC
---help---
This option enables a workaround that fixes a source of
the DRAM Error Threshold.
config X86_ANCIENT_MCE
- def_bool n
+ bool "Support for old Pentium 5 / WinChip machine checks"
depends on X86_32 && X86_MCE
- prompt "Support for old Pentium 5 / WinChip machine checks"
---help---
Include support for machine check handling on old Pentium 5 or WinChip
systems. These typically need to be enabled explicitely on the command
config X86_MCE_THRESHOLD
depends on X86_MCE_AMD || X86_MCE_INTEL
- bool
- default y
+ def_bool y
config X86_MCE_INJECT
depends on X86_MCE
with major 203 and minors 0 to 31 for /dev/cpu/0/cpuid to
/dev/cpu/31/cpuid.
-config X86_CPU_DEBUG
- tristate "/sys/kernel/debug/x86/cpu/* - CPU Debug support"
- ---help---
- If you select this option, this will provide various x86 CPUs
- information through debugfs.
-
choice
prompt "High Memory Support"
- default HIGHMEM4G if !X86_NUMAQ
default HIGHMEM64G if X86_NUMAQ
+ default HIGHMEM4G
depends on X86_32
config NOHIGHMEM
config NODES_SHIFT
int "Maximum NUMA Nodes (as a power of 2)" if !MAXSMP
- range 1 9
- default "9" if MAXSMP
+ range 1 10
+ default "10" if MAXSMP
default "6" if X86_64
default "4" if X86_NUMAQ
default "3"
def_bool X86_64
depends on MEMORY_HOTPLUG
+config ILLEGAL_POINTER_VALUE
+ hex
+ default 0 if X86_32
+ default 0xdead000000000000 if X86_64
+
source "mm/Kconfig"
config HIGHPTE
bool "Allocate 3rd-level pagetables from highmem"
- depends on X86_32 && (HIGHMEM4G || HIGHMEM64G)
+ depends on HIGHMEM
---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
kernel, it won't hurt.
config MTRR
- bool
- default y
+ def_bool y
prompt "MTRR (Memory Type Range Register) support" if EMBEDDED
---help---
On Intel P6 family processors (Pentium Pro, Pentium II and later)
mtrr_spare_reg_nr=N on the kernel command line.
config X86_PAT
- bool
- default y
+ def_bool y
prompt "x86 PAT support" if EMBEDDED
depends on MTRR
---help---
If unsure, say Y. Only embedded should say N here.
-config CC_STACKPROTECTOR_ALL
- bool
-
config CC_STACKPROTECTOR
bool "Enable -fstack-protector buffer overflow detection (EXPERIMENTAL)"
- select CC_STACKPROTECTOR_ALL
---help---
This option turns on the -fstack-protector GCC feature. This
feature puts, at the beginning of functions, a canary value on
depends on X86_32 && RELOCATABLE
config PHYSICAL_ALIGN
- hex
- prompt "Alignment value to which kernel should be aligned" if X86_32
+ hex "Alignment value to which kernel should be aligned" if X86_32
default "0x1000000"
range 0x2000 0x1000000
---help---
depends on X86_32 || IA32_EMULATION
---help---
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
VDSO mapping and to exclusively use the randomized VDSO.
config CMDLINE_BOOL
bool "Built-in kernel command line"
- default n
---help---
Allow for specifying boot arguments to the kernel at
build time. On some systems (e.g. embedded ones), it is
config CMDLINE_OVERRIDE
bool "Built-in command line overrides boot loader arguments"
- default n
depends on CMDLINE_BOOL
---help---
Set this option to 'Y' to have the kernel ignore the boot loader
def_bool X86_64
depends on NUMA
+config USE_PERCPU_NUMA_NODE_ID
+ def_bool X86_64
+ depends on NUMA
+
menu "Power management and ACPI options"
config ARCH_HIBERNATION_HEADER
source "drivers/sfi/Kconfig"
config X86_APM_BOOT
- bool
- default y
+ def_bool y
depends on APM || APM_MODULE
menuconfig APM
def_bool y
depends on PCI && OLPC && (PCI_GOOLPC || PCI_GOANY)
+config PCI_XEN
+ def_bool y
+ depends on PCI && XEN
+ select SWIOTLB_XEN
+
config PCI_DOMAINS
def_bool y
depends on PCI
bool "Support mmconfig PCI config space access"
depends on X86_64 && PCI && ACPI
+config PCI_CNB20LE_QUIRK
+ bool "Read CNB20LE Host Bridge Windows"
+ depends on PCI
+ help
+ Read the PCI windows out of the CNB20LE host bridge. This allows
+ PCI hotplug to work on systems with the CNB20LE chipset which do
+ not have ACPI.
+
config DMAR
bool "Support for DMA Remapping Devices (EXPERIMENTAL)"
depends on PCI_MSI && ACPI && EXPERIMENTAL
experimental.
config DMAR_BROKEN_GFX_WA
- def_bool n
- prompt "Workaround broken graphics drivers (going away soon)"
+ bool "Workaround broken graphics drivers (going away soon)"
depends on DMAR && BROKEN
---help---
Current Graphics drivers tend to use physical address
config SCx200HR_TIMER
tristate "NatSemi SCx200 27MHz High-Resolution Timer Support"
- depends on SCx200 && GENERIC_TIME
+ depends on SCx200
default y
---help---
This driver provides a clocksource built upon the on-chip
processor goes idle (as is done by the scheduler). The
other workaround is idle=poll boot option.
-config GEODE_MFGPT_TIMER
- def_bool y
- prompt "Geode Multi-Function General Purpose Timer (MFGPT) events"
- depends on MGEODE_LX && GENERIC_TIME && GENERIC_CLOCKEVENTS
- ---help---
- This driver provides a clock event source based on the MFGPT
- timer(s) in the CS5535 and CS5536 companion chip for the geode.
- MFGPTs have a better resolution and max interval than the
- generic PIT, and are suitable for use as high-res timers.
-
config OLPC
bool "One Laptop Per Child support"
- default n
+ select GPIOLIB
---help---
Add support for detecting the unique features of the OLPC
XO hardware.
+config OLPC_OPENFIRMWARE
+ bool "Support for OLPC's Open Firmware"
+ depends on !X86_64 && !X86_PAE
+ default y if OLPC
+ help
+ This option adds support for the implementation of Open Firmware
+ that is used on the OLPC XO-1 Children's Machine.
+ If unsure, say N here.
+
endif # X86_32
config K8_NB
def_bool y
- depends on AGP_AMD64 || (X86_64 && (GART_IOMMU || (PCI && NUMA)))
+ depends on CPU_SUP_AMD && PCI
source "drivers/pcmcia/Kconfig"