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
+config INSTRUCTION_DECODER
+ def_bool (KPROBES || PERF_EVENTS)
+
config OUTPUT_FORMAT
string
default "elf32-i386" if X86_32
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 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
# Use the generic interrupt handling code in kernel/irq/:
config GENERIC_HARDIRQS
- bool
- default y
+ def_bool y
config GENERIC_HARDIRQS_NO__DO_IRQ
def_bool y
config GENERIC_IRQ_PROBE
- bool
- default y
+ def_bool y
config GENERIC_PENDING_IRQ
- bool
+ def_bool y
depends on GENERIC_HARDIRQS && SMP
- default y
config USE_GENERIC_SMP_HELPERS
def_bool y
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"
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)"
config PARAVIRT_CLOCK
bool
- default n
endif
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
choice
prompt "High Memory Support"
- default HIGHMEM4G if !X86_NUMAQ
default HIGHMEM64G if X86_NUMAQ
+ default HIGHMEM4G
depends on X86_32
config NOHIGHMEM
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
Set whether the default state of memory_corruption_check is
on or off.
-config X86_RESERVE_LOW_64K
- bool "Reserve low 64K of RAM on AMI/Phoenix BIOSen"
- default y
+config X86_LOW_RESERVE
+ int "Amount of low memory, in kilobytes, to reserve for the BIOS"
+ default 64
+ range 4 640
---help---
- Reserve the first 64K of physical RAM on BIOSes that are known
- to potentially corrupt that memory range. A numbers of BIOSes are
- known to utilize this area during suspend/resume, so it must not
- be used by the kernel.
+ Specify the amount of low memory to reserve for the BIOS.
+
+ The first page contains BIOS data structures that the kernel
+ must not use, so that page must always be reserved.
+
+ By default we reserve the first 64K of physical RAM, as a
+ number of BIOSes are known to corrupt that memory range
+ during events such as suspend/resume or monitor cable
+ insertion, so it must not be used by the kernel.
- Set this to N if you are absolutely sure that you trust the BIOS
- to get all its memory reservations and usages right.
+ You can set this to 4 if you are absolutely sure that you
+ trust the BIOS to get all its memory reservations and usages
+ right. If you know your BIOS have problems beyond the
+ default 64K area, you can set this to 640 to avoid using the
+ entire low memory range.
- If you have doubts about the BIOS (e.g. suspend/resume does not
- work or there's kernel crashes after certain hardware hotplug
- events) and it's not AMI or Phoenix, then you might want to enable
- X86_CHECK_BIOS_CORRUPTION=y to allow the kernel to check typical
- corruption patterns.
+ If you have doubts about the BIOS (e.g. suspend/resume does
+ not work or there's kernel crashes after certain hardware
+ hotplug events) then you might want to enable
+ X86_CHECK_BIOS_CORRUPTION=y to allow the kernel to check
+ typical corruption patterns.
- Say Y if unsure.
+ Leave this to the default value of 64 if you are unsure.
config MATH_EMULATION
bool
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---
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---
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
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
config OLPC
bool "One Laptop Per Child support"
select GPIOLIB
- default n
---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
Code Review / linux-2.6.git / blobdiff