### Arch settings
config X86
def_bool y
+ select HAVE_AOUT if X86_32
select HAVE_UNSTABLE_SCHED_CLOCK
select HAVE_IDE
select HAVE_OPROFILE
default "arch/x86/configs/i386_defconfig" if X86_32
default "arch/x86/configs/x86_64_defconfig" if X86_64
-
-config GENERIC_LOCKBREAK
- def_bool n
-
config GENERIC_TIME
def_bool y
def_bool y
config GENERIC_GPIO
- def_bool n
+ bool
config ARCH_MAY_HAVE_PC_FDC
def_bool y
config RWSEM_XCHGADD_ALGORITHM
def_bool X86_XADD
-config ARCH_HAS_ILOG2_U32
- def_bool n
-
-config ARCH_HAS_ILOG2_U64
- def_bool n
-
config ARCH_HAS_CPU_IDLE_WAIT
def_bool y
bool
default X86_64
-config ARCH_SUPPORTS_AOUT
- def_bool y
-
config ARCH_SUPPORTS_OPTIMIZED_INLINING
def_bool y
config KTIME_SCALAR
def_bool X86_32
source "init/Kconfig"
+source "kernel/Kconfig.freezer"
menu "Processor type and features"
Say N otherwise.
config X86_REBOOTFIXUPS
- def_bool n
- prompt "Enable X86 board specific fixups for reboot"
- depends on X86_32 && X86
+ bool "Enable X86 board specific fixups for reboot"
+ depends on X86_32
---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
Say N otherwise.
config MICROCODE
- tristate "/dev/cpu/microcode - Intel IA32 CPU microcode support"
+ tristate "/dev/cpu/microcode - microcode support"
select FW_LOADER
---help---
If you say Y here, you will be able to update the microcode on
- Intel processors in the IA32 family, e.g. Pentium Pro, Pentium II,
- Pentium III, Pentium 4, Xeon etc. You will obviously need the
- actual microcode binary data itself which is not shipped with the
- Linux kernel.
+ certain Intel and AMD processors. The Intel support is for the
+ IA32 family, e.g. Pentium Pro, Pentium II, Pentium III,
+ Pentium 4, Xeon etc. The AMD support is for family 0x10 and
+ 0x11 processors, e.g. Opteron, Phenom and Turion 64 Ultra.
+ You will obviously need the actual microcode binary data itself
+ which is not shipped with the Linux kernel.
- For latest news and information on obtaining all the required
- ingredients for this driver, check:
- <http://www.urbanmyth.org/microcode/>.
+ This option selects the general module only, you need to select
+ at least one vendor specific module as well.
To compile this driver as a module, choose M here: the
module will be called microcode.
-config MICROCODE_OLD_INTERFACE
+config MICROCODE_INTEL
+ bool "Intel microcode patch loading support"
+ depends on MICROCODE
+ default MICROCODE
+ select FW_LOADER
+ --help---
+ This options enables microcode patch loading support for Intel
+ processors.
+
+ For latest news and information on obtaining all the required
+ Intel ingredients for this driver, check:
+ <http://www.urbanmyth.org/microcode/>.
+
+config MICROCODE_AMD
+ bool "AMD microcode patch loading support"
+ depends on MICROCODE
+ select FW_LOADER
+ --help---
+ If you select this option, microcode patch loading support for AMD
+ processors will be enabled.
+
+ config MICROCODE_OLD_INTERFACE
def_bool y
depends on MICROCODE
depends on X86_32 && (HIGHMEM64G || HIGHMEM4G)
config X86_PAE
- def_bool n
- prompt "PAE (Physical Address Extension) Support"
+ bool "PAE (Physical Address Extension) Support"
depends on X86_32 && !HIGHMEM4G
- select RESOURCES_64BIT
help
PAE is required for NX support, and furthermore enables
larger swapspace support for non-overcommit purposes. It
has the cost of more pagetable lookup overhead, and also
consumes more pagetable space per process.
+config ARCH_PHYS_ADDR_T_64BIT
+ def_bool X86_64 || X86_PAE
+
# Common NUMA Features
config NUMA
bool "Numa Memory Allocation and Scheduler Support (EXPERIMENTAL)"
low memory. Setting this option will put user-space page table
entries in high memory.
+config X86_CHECK_BIOS_CORRUPTION
+ bool "Check for low memory corruption"
+ help
+ Periodically check for memory corruption in low memory, which
+ is suspected to be caused by BIOS. Even when enabled in the
+ configuration, it is disabled at runtime. Enable it by
+ setting "memory_corruption_check=1" on the kernel command
+ line. By default it scans the low 64k of memory every 60
+ seconds; see the memory_corruption_check_size and
+ memory_corruption_check_period parameters in
+ Documentation/kernel-parameters.txt to adjust this.
+
+ When enabled with the default parameters, this option has
+ almost no overhead, as it reserves a relatively small amount
+ of memory and scans it infrequently. It both detects corruption
+ and prevents it from affecting the running system.
+
+ It is, however, intended as a diagnostic tool; if repeatable
+ BIOS-originated corruption always affects the same memory,
+ you can use memmap= to prevent the kernel from using that
+ memory.
+
+config X86_BOOTPARAM_MEMORY_CORRUPTION_CHECK
+ bool "Set the default setting of memory_corruption_check"
+ depends on X86_CHECK_BIOS_CORRUPTION
+ default y
+ help
+ 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
+ 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.
+
+ Set this to N if you are absolutely sure that you trust the BIOS
+ to get all its memory reservations and usages right.
+
+ 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.
+
+ Say Y if unsure.
+
config MATH_EMULATION
bool
prompt "Math emulation" if X86_32
If unsure, say Y.
config EFI
- def_bool n
- prompt "EFI runtime service support"
+ bool "EFI runtime service support"
depends on ACPI
---help---
This enables the kernel to use EFI runtime services that are
resultant kernel should continue to boot on existing non-EFI
platforms.
-config IRQBALANCE
- def_bool y
- prompt "Enable kernel irq balancing"
- depends on X86_32 && SMP && X86_IO_APIC
- help
- The default yes will allow the kernel to do irq load balancing.
- Saying no will keep the kernel from doing irq load balancing.
-
config SECCOMP
def_bool y
prompt "Enable seccomp to safely compute untrusted bytecode"
config IA32_AOUT
tristate "IA32 a.out support"
- depends on IA32_EMULATION && ARCH_SUPPORTS_AOUT
+ depends on IA32_EMULATION
help
Support old a.out binaries in the 32bit emulation.
projects / linux-2.6-omap-h63xx.git / blobdiff