644 lines
16 KiB
Plaintext
644 lines
16 KiB
Plaintext
#
|
|
# For a description of the syntax of this configuration file,
|
|
# see Documentation/kbuild/kconfig-language.txt.
|
|
#
|
|
|
|
mainmenu "IA-64 Linux Kernel Configuration"
|
|
|
|
source "init/Kconfig"
|
|
|
|
menu "Processor type and features"
|
|
|
|
config IA64
|
|
bool
|
|
select PCI if (!IA64_HP_SIM)
|
|
select ACPI if (!IA64_HP_SIM)
|
|
select PM if (!IA64_HP_SIM)
|
|
select ARCH_SUPPORTS_MSI
|
|
select HAVE_IDE
|
|
select HAVE_OPROFILE
|
|
select HAVE_KPROBES
|
|
select HAVE_KRETPROBES
|
|
select HAVE_DMA_ATTRS
|
|
select HAVE_KVM
|
|
default y
|
|
help
|
|
The Itanium Processor Family is Intel's 64-bit successor to
|
|
the 32-bit X86 line. The IA-64 Linux project has a home
|
|
page at <http://www.linuxia64.org/> and a mailing list at
|
|
<linux-ia64@vger.kernel.org>.
|
|
|
|
config 64BIT
|
|
bool
|
|
select ATA_NONSTANDARD if ATA
|
|
default y
|
|
|
|
config ZONE_DMA
|
|
def_bool y
|
|
depends on !IA64_SGI_SN2
|
|
|
|
config QUICKLIST
|
|
bool
|
|
default y
|
|
|
|
config MMU
|
|
bool
|
|
default y
|
|
|
|
config SWIOTLB
|
|
bool
|
|
|
|
config IOMMU_HELPER
|
|
bool
|
|
|
|
config GENERIC_LOCKBREAK
|
|
bool
|
|
default y
|
|
depends on SMP && PREEMPT
|
|
|
|
config RWSEM_XCHGADD_ALGORITHM
|
|
bool
|
|
default y
|
|
|
|
config ARCH_HAS_ILOG2_U32
|
|
bool
|
|
default n
|
|
|
|
config ARCH_HAS_ILOG2_U64
|
|
bool
|
|
default n
|
|
|
|
config HUGETLB_PAGE_SIZE_VARIABLE
|
|
bool
|
|
depends on HUGETLB_PAGE
|
|
default y
|
|
|
|
config GENERIC_FIND_NEXT_BIT
|
|
bool
|
|
default y
|
|
|
|
config GENERIC_CALIBRATE_DELAY
|
|
bool
|
|
default y
|
|
|
|
config GENERIC_TIME
|
|
bool
|
|
default y
|
|
|
|
config GENERIC_TIME_VSYSCALL
|
|
bool
|
|
default y
|
|
|
|
config HAVE_SETUP_PER_CPU_AREA
|
|
def_bool y
|
|
|
|
config DMI
|
|
bool
|
|
default y
|
|
|
|
config EFI
|
|
bool
|
|
default y
|
|
|
|
config GENERIC_IOMAP
|
|
bool
|
|
default y
|
|
|
|
config SCHED_NO_NO_OMIT_FRAME_POINTER
|
|
bool
|
|
default y
|
|
|
|
config IA64_UNCACHED_ALLOCATOR
|
|
bool
|
|
select GENERIC_ALLOCATOR
|
|
|
|
config AUDIT_ARCH
|
|
bool
|
|
default y
|
|
|
|
choice
|
|
prompt "System type"
|
|
default IA64_GENERIC
|
|
|
|
config IA64_GENERIC
|
|
bool "generic"
|
|
select NUMA
|
|
select ACPI_NUMA
|
|
select SWIOTLB
|
|
help
|
|
This selects the system type of your hardware. A "generic" kernel
|
|
will run on any supported IA-64 system. However, if you configure
|
|
a kernel for your specific system, it will be faster and smaller.
|
|
|
|
generic For any supported IA-64 system
|
|
DIG-compliant For DIG ("Developer's Interface Guide") compliant systems
|
|
HP-zx1/sx1000 For HP systems
|
|
HP-zx1/sx1000+swiotlb For HP systems with (broken) DMA-constrained devices.
|
|
SGI-SN2 For SGI Altix systems
|
|
SGI-UV For SGI UV systems
|
|
Ski-simulator For the HP simulator <http://www.hpl.hp.com/research/linux/ski/>
|
|
|
|
If you don't know what to do, choose "generic".
|
|
|
|
config IA64_DIG
|
|
bool "DIG-compliant"
|
|
select SWIOTLB
|
|
|
|
config IA64_HP_ZX1
|
|
bool "HP-zx1/sx1000"
|
|
help
|
|
Build a kernel that runs on HP zx1 and sx1000 systems. This adds
|
|
support for the HP I/O MMU.
|
|
|
|
config IA64_HP_ZX1_SWIOTLB
|
|
bool "HP-zx1/sx1000 with software I/O TLB"
|
|
select SWIOTLB
|
|
help
|
|
Build a kernel that runs on HP zx1 and sx1000 systems even when they
|
|
have broken PCI devices which cannot DMA to full 32 bits. Apart
|
|
from support for the HP I/O MMU, this includes support for the software
|
|
I/O TLB, which allows supporting the broken devices at the expense of
|
|
wasting some kernel memory (about 2MB by default).
|
|
|
|
config IA64_SGI_SN2
|
|
bool "SGI-SN2"
|
|
select NUMA
|
|
select ACPI_NUMA
|
|
help
|
|
Selecting this option will optimize the kernel for use on sn2 based
|
|
systems, but the resulting kernel binary will not run on other
|
|
types of ia64 systems. If you have an SGI Altix system, it's safe
|
|
to select this option. If in doubt, select ia64 generic support
|
|
instead.
|
|
|
|
config IA64_SGI_UV`
|
|
bool "SGI-UV`"
|
|
select NUMA
|
|
select ACPI_NUMA
|
|
select SWIOTLB
|
|
help
|
|
Selecting this option will optimize the kernel for use on UV based
|
|
systems, but the resulting kernel binary will not run on other
|
|
types of ia64 systems. If you have an SGI UV system, it's safe
|
|
to select this option. If in doubt, select ia64 generic support
|
|
instead.
|
|
|
|
config IA64_HP_SIM
|
|
bool "Ski-simulator"
|
|
select SWIOTLB
|
|
|
|
endchoice
|
|
|
|
choice
|
|
prompt "Processor type"
|
|
default ITANIUM
|
|
|
|
config ITANIUM
|
|
bool "Itanium"
|
|
help
|
|
Select your IA-64 processor type. The default is Itanium.
|
|
This choice is safe for all IA-64 systems, but may not perform
|
|
optimally on systems with, say, Itanium 2 or newer processors.
|
|
|
|
config MCKINLEY
|
|
bool "Itanium 2"
|
|
help
|
|
Select this to configure for an Itanium 2 (McKinley) processor.
|
|
|
|
endchoice
|
|
|
|
choice
|
|
prompt "Kernel page size"
|
|
default IA64_PAGE_SIZE_16KB
|
|
|
|
config IA64_PAGE_SIZE_4KB
|
|
bool "4KB"
|
|
help
|
|
This lets you select the page size of the kernel. For best IA-64
|
|
performance, a page size of 8KB or 16KB is recommended. For best
|
|
IA-32 compatibility, a page size of 4KB should be selected (the vast
|
|
majority of IA-32 binaries work perfectly fine with a larger page
|
|
size). For Itanium 2 or newer systems, a page size of 64KB can also
|
|
be selected.
|
|
|
|
4KB For best IA-32 compatibility
|
|
8KB For best IA-64 performance
|
|
16KB For best IA-64 performance
|
|
64KB Requires Itanium 2 or newer processor.
|
|
|
|
If you don't know what to do, choose 16KB.
|
|
|
|
config IA64_PAGE_SIZE_8KB
|
|
bool "8KB"
|
|
|
|
config IA64_PAGE_SIZE_16KB
|
|
bool "16KB"
|
|
|
|
config IA64_PAGE_SIZE_64KB
|
|
depends on !ITANIUM
|
|
bool "64KB"
|
|
|
|
endchoice
|
|
|
|
choice
|
|
prompt "Page Table Levels"
|
|
default PGTABLE_3
|
|
|
|
config PGTABLE_3
|
|
bool "3 Levels"
|
|
|
|
config PGTABLE_4
|
|
depends on !IA64_PAGE_SIZE_64KB
|
|
bool "4 Levels"
|
|
|
|
endchoice
|
|
|
|
if IA64_HP_SIM
|
|
config HZ
|
|
default 32
|
|
endif
|
|
|
|
if !IA64_HP_SIM
|
|
source kernel/Kconfig.hz
|
|
endif
|
|
|
|
config IA64_BRL_EMU
|
|
bool
|
|
depends on ITANIUM
|
|
default y
|
|
|
|
# align cache-sensitive data to 128 bytes
|
|
config IA64_L1_CACHE_SHIFT
|
|
int
|
|
default "7" if MCKINLEY
|
|
default "6" if ITANIUM
|
|
|
|
config IA64_CYCLONE
|
|
bool "Cyclone (EXA) Time Source support"
|
|
help
|
|
Say Y here to enable support for IBM EXA Cyclone time source.
|
|
If you're unsure, answer N.
|
|
|
|
config IOSAPIC
|
|
bool
|
|
depends on !IA64_HP_SIM
|
|
default y
|
|
|
|
config FORCE_MAX_ZONEORDER
|
|
int "MAX_ORDER (11 - 17)" if !HUGETLB_PAGE
|
|
range 11 17 if !HUGETLB_PAGE
|
|
default "17" if HUGETLB_PAGE
|
|
default "11"
|
|
|
|
config VIRT_CPU_ACCOUNTING
|
|
bool "Deterministic task and CPU time accounting"
|
|
default n
|
|
help
|
|
Select this option to enable more accurate task and CPU time
|
|
accounting. This is done by reading a CPU counter on each
|
|
kernel entry and exit and on transitions within the kernel
|
|
between system, softirq and hardirq state, so there is a
|
|
small performance impact.
|
|
If in doubt, say N here.
|
|
|
|
config SMP
|
|
bool "Symmetric multi-processing support"
|
|
help
|
|
This enables support for systems with more than one CPU. If you have
|
|
a system with only one CPU, say N. If you have a system with more
|
|
than one CPU, say Y.
|
|
|
|
If you say N here, the kernel will run on single and multiprocessor
|
|
systems, but will use only one CPU of a multiprocessor system. If
|
|
you say Y here, the kernel will run on many, but not all,
|
|
single processor systems. On a single processor system, the kernel
|
|
will run faster if you say N here.
|
|
|
|
See also the SMP-HOWTO available at
|
|
<http://www.tldp.org/docs.html#howto>.
|
|
|
|
If you don't know what to do here, say N.
|
|
|
|
config NR_CPUS
|
|
int "Maximum number of CPUs (2-1024)"
|
|
range 2 1024
|
|
depends on SMP
|
|
default "1024"
|
|
help
|
|
You should set this to the number of CPUs in your system, but
|
|
keep in mind that a kernel compiled for, e.g., 2 CPUs will boot but
|
|
only use 2 CPUs on a >2 CPU system. Setting this to a value larger
|
|
than 64 will cause the use of a CPU mask array, causing a small
|
|
performance hit.
|
|
|
|
config HOTPLUG_CPU
|
|
bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
|
|
depends on SMP && EXPERIMENTAL
|
|
select HOTPLUG
|
|
default n
|
|
---help---
|
|
Say Y here to experiment with turning CPUs off and on. CPUs
|
|
can be controlled through /sys/devices/system/cpu/cpu#.
|
|
Say N if you want to disable CPU hotplug.
|
|
|
|
config ARCH_ENABLE_MEMORY_HOTPLUG
|
|
def_bool y
|
|
|
|
config ARCH_ENABLE_MEMORY_HOTREMOVE
|
|
def_bool y
|
|
|
|
config SCHED_SMT
|
|
bool "SMT scheduler support"
|
|
depends on SMP
|
|
help
|
|
Improves the CPU scheduler's decision making when dealing with
|
|
Intel IA64 chips with MultiThreading at a cost of slightly increased
|
|
overhead in some places. If unsure say N here.
|
|
|
|
config PERMIT_BSP_REMOVE
|
|
bool "Support removal of Bootstrap Processor"
|
|
depends on HOTPLUG_CPU
|
|
default n
|
|
---help---
|
|
Say Y here if your platform SAL will support removal of BSP with HOTPLUG_CPU
|
|
support.
|
|
|
|
config FORCE_CPEI_RETARGET
|
|
bool "Force assumption that CPEI can be re-targetted"
|
|
depends on PERMIT_BSP_REMOVE
|
|
default n
|
|
---help---
|
|
Say Y if you need to force the assumption that CPEI can be re-targetted to
|
|
any cpu in the system. This hint is available via ACPI 3.0 specifications.
|
|
Tiger4 systems are capable of re-directing CPEI to any CPU other than BSP.
|
|
This option it useful to enable this feature on older BIOS's as well.
|
|
You can also enable this by using boot command line option force_cpei=1.
|
|
|
|
source "kernel/Kconfig.preempt"
|
|
|
|
source "mm/Kconfig"
|
|
|
|
config ARCH_SELECT_MEMORY_MODEL
|
|
def_bool y
|
|
|
|
config ARCH_DISCONTIGMEM_ENABLE
|
|
def_bool y
|
|
help
|
|
Say Y to support efficient handling of discontiguous physical memory,
|
|
for architectures which are either NUMA (Non-Uniform Memory Access)
|
|
or have huge holes in the physical address space for other reasons.
|
|
See <file:Documentation/vm/numa> for more.
|
|
|
|
config ARCH_FLATMEM_ENABLE
|
|
def_bool y
|
|
|
|
config ARCH_SPARSEMEM_ENABLE
|
|
def_bool y
|
|
depends on ARCH_DISCONTIGMEM_ENABLE
|
|
select SPARSEMEM_VMEMMAP_ENABLE
|
|
|
|
config ARCH_DISCONTIGMEM_DEFAULT
|
|
def_bool y if (IA64_SGI_SN2 || IA64_GENERIC || IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB)
|
|
depends on ARCH_DISCONTIGMEM_ENABLE
|
|
|
|
config NUMA
|
|
bool "NUMA support"
|
|
depends on !IA64_HP_SIM && !FLATMEM
|
|
default y if IA64_SGI_SN2
|
|
select ACPI_NUMA if ACPI
|
|
help
|
|
Say Y to compile the kernel to support NUMA (Non-Uniform Memory
|
|
Access). This option is for configuring high-end multiprocessor
|
|
server systems. If in doubt, say N.
|
|
|
|
config NODES_SHIFT
|
|
int "Max num nodes shift(3-10)"
|
|
range 3 10
|
|
default "10"
|
|
depends on NEED_MULTIPLE_NODES
|
|
help
|
|
This option specifies the maximum number of nodes in your SSI system.
|
|
MAX_NUMNODES will be 2^(This value).
|
|
If in doubt, use the default.
|
|
|
|
config ARCH_POPULATES_NODE_MAP
|
|
def_bool y
|
|
|
|
# VIRTUAL_MEM_MAP and FLAT_NODE_MEM_MAP are functionally equivalent.
|
|
# VIRTUAL_MEM_MAP has been retained for historical reasons.
|
|
config VIRTUAL_MEM_MAP
|
|
bool "Virtual mem map"
|
|
depends on !SPARSEMEM
|
|
default y if !IA64_HP_SIM
|
|
help
|
|
Say Y to compile the kernel with support for a virtual mem map.
|
|
This code also only takes effect if a memory hole of greater than
|
|
1 Gb is found during boot. You must turn this option on if you
|
|
require the DISCONTIGMEM option for your machine. If you are
|
|
unsure, say Y.
|
|
|
|
config HOLES_IN_ZONE
|
|
bool
|
|
default y if VIRTUAL_MEM_MAP
|
|
|
|
config HAVE_ARCH_EARLY_PFN_TO_NID
|
|
def_bool y
|
|
depends on NEED_MULTIPLE_NODES
|
|
|
|
config HAVE_ARCH_NODEDATA_EXTENSION
|
|
def_bool y
|
|
depends on NUMA
|
|
|
|
config IA32_SUPPORT
|
|
bool "Support for Linux/x86 binaries"
|
|
help
|
|
IA-64 processors can execute IA-32 (X86) instructions. By
|
|
saying Y here, the kernel will include IA-32 system call
|
|
emulation support which makes it possible to transparently
|
|
run IA-32 Linux binaries on an IA-64 Linux system.
|
|
If in doubt, say Y.
|
|
|
|
config COMPAT
|
|
bool
|
|
depends on IA32_SUPPORT
|
|
default y
|
|
|
|
config COMPAT_FOR_U64_ALIGNMENT
|
|
def_bool COMPAT
|
|
|
|
config IA64_MCA_RECOVERY
|
|
tristate "MCA recovery from errors other than TLB."
|
|
|
|
config PERFMON
|
|
bool "Performance monitor support"
|
|
help
|
|
Selects whether support for the IA-64 performance monitor hardware
|
|
is included in the kernel. This makes some kernel data-structures a
|
|
little bigger and slows down execution a bit, but it is generally
|
|
a good idea to turn this on. If you're unsure, say Y.
|
|
|
|
config IA64_PALINFO
|
|
tristate "/proc/pal support"
|
|
help
|
|
If you say Y here, you are able to get PAL (Processor Abstraction
|
|
Layer) information in /proc/pal. This contains useful information
|
|
about the processors in your systems, such as cache and TLB sizes
|
|
and the PAL firmware version in use.
|
|
|
|
To use this option, you have to ensure that the "/proc file system
|
|
support" (CONFIG_PROC_FS) is enabled, too.
|
|
|
|
config IA64_MC_ERR_INJECT
|
|
tristate "MC error injection support"
|
|
help
|
|
Adds support for MC error injection. If enabled, the kernel
|
|
will provide a sysfs interface for user applications to
|
|
call MC error injection PAL procedures to inject various errors.
|
|
This is a useful tool for MCA testing.
|
|
|
|
If you're unsure, do not select this option.
|
|
|
|
config SGI_SN
|
|
def_bool y if (IA64_SGI_SN2 || IA64_GENERIC)
|
|
|
|
config IA64_ESI
|
|
bool "ESI (Extensible SAL Interface) support"
|
|
help
|
|
If you say Y here, support is built into the kernel to
|
|
make ESI calls. ESI calls are used to support vendor-specific
|
|
firmware extensions, such as the ability to inject memory-errors
|
|
for test-purposes. If you're unsure, say N.
|
|
|
|
config IA64_HP_AML_NFW
|
|
bool "Support ACPI AML calls to native firmware"
|
|
help
|
|
This driver installs a global ACPI Operation Region handler for
|
|
region 0xA1. AML methods can use this OpRegion to call arbitrary
|
|
native firmware functions. The driver installs the OpRegion
|
|
handler if there is an HPQ5001 device or if the user supplies
|
|
the "force" module parameter, e.g., with the "aml_nfw.force"
|
|
kernel command line option.
|
|
|
|
source "drivers/sn/Kconfig"
|
|
|
|
config KEXEC
|
|
bool "kexec system call (EXPERIMENTAL)"
|
|
depends on EXPERIMENTAL && !IA64_HP_SIM && (!SMP || HOTPLUG_CPU)
|
|
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
|
|
but it is independent of the system firmware. And like a reboot
|
|
you can start any kernel with it, not just Linux.
|
|
|
|
The name comes from the similarity to the exec system call.
|
|
|
|
It is an ongoing process to be certain the hardware in a machine
|
|
is properly shutdown, so do not be surprised if this code does not
|
|
initially work for you. It may help to enable device hotplugging
|
|
support. As of this writing the exact hardware interface is
|
|
strongly in flux, so no good recommendation can be made.
|
|
|
|
config CRASH_DUMP
|
|
bool "kernel crash dumps (EXPERIMENTAL)"
|
|
depends on EXPERIMENTAL && IA64_MCA_RECOVERY && !IA64_HP_SIM && (!SMP || HOTPLUG_CPU)
|
|
help
|
|
Generate crash dump after being started by kexec.
|
|
|
|
source "drivers/firmware/Kconfig"
|
|
|
|
source "fs/Kconfig.binfmt"
|
|
|
|
endmenu
|
|
|
|
menu "Power management and ACPI"
|
|
|
|
source "kernel/power/Kconfig"
|
|
|
|
source "drivers/acpi/Kconfig"
|
|
|
|
if PM
|
|
|
|
source "arch/ia64/kernel/cpufreq/Kconfig"
|
|
|
|
endif
|
|
|
|
endmenu
|
|
|
|
if !IA64_HP_SIM
|
|
|
|
menu "Bus options (PCI, PCMCIA)"
|
|
|
|
config PCI
|
|
bool "PCI support"
|
|
help
|
|
Real IA-64 machines all have PCI/PCI-X/PCI Express busses. Say Y
|
|
here unless you are using a simulator without PCI support.
|
|
|
|
config PCI_DOMAINS
|
|
def_bool PCI
|
|
|
|
config PCI_SYSCALL
|
|
def_bool PCI
|
|
|
|
source "drivers/pci/pcie/Kconfig"
|
|
|
|
source "drivers/pci/Kconfig"
|
|
|
|
source "drivers/pci/hotplug/Kconfig"
|
|
|
|
source "drivers/pcmcia/Kconfig"
|
|
|
|
endmenu
|
|
|
|
endif
|
|
|
|
source "net/Kconfig"
|
|
|
|
source "drivers/Kconfig"
|
|
|
|
config MSPEC
|
|
tristate "Memory special operations driver"
|
|
depends on IA64
|
|
select IA64_UNCACHED_ALLOCATOR
|
|
help
|
|
If you have an ia64 and you want to enable memory special
|
|
operations support (formerly known as fetchop), say Y here,
|
|
otherwise say N.
|
|
|
|
source "fs/Kconfig"
|
|
|
|
source "arch/ia64/kvm/Kconfig"
|
|
|
|
source "lib/Kconfig"
|
|
|
|
#
|
|
# Use the generic interrupt handling code in kernel/irq/:
|
|
#
|
|
config GENERIC_HARDIRQS
|
|
bool
|
|
default y
|
|
|
|
config GENERIC_IRQ_PROBE
|
|
bool
|
|
default y
|
|
|
|
config GENERIC_PENDING_IRQ
|
|
bool
|
|
depends on GENERIC_HARDIRQS && SMP
|
|
default y
|
|
|
|
config IRQ_PER_CPU
|
|
bool
|
|
default y
|
|
|
|
config IOMMU_HELPER
|
|
def_bool (IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB || IA64_GENERIC || SWIOTLB)
|
|
|
|
source "arch/ia64/hp/sim/Kconfig"
|
|
|
|
source "arch/ia64/Kconfig.debug"
|
|
|
|
source "security/Kconfig"
|
|
|
|
source "crypto/Kconfig"
|