source "init/Kconfig"
  
  source "kernel/Kconfig.freezer"
  
  menu "Processor type and features"
  
  config IA64
  	bool
  	select ARCH_MIGHT_HAVE_PC_PARPORT
  	select ARCH_MIGHT_HAVE_PC_SERIO
  	select PCI if (!IA64_HP_SIM)
  	select ACPI if (!IA64_HP_SIM)
  	select PM if (!IA64_HP_SIM)
  	select HAVE_UNSTABLE_SCHED_CLOCK
  	select HAVE_IDE
  	select HAVE_OPROFILE
  	select HAVE_KPROBES
  	select HAVE_KRETPROBES
  	select HAVE_FTRACE_MCOUNT_RECORD
  	select HAVE_DYNAMIC_FTRACE if (!ITANIUM)
  	select HAVE_FUNCTION_TRACER
  	select HAVE_DMA_ATTRS
  	select HAVE_KVM
  	select HAVE_ARCH_TRACEHOOK
  	select HAVE_DMA_API_DEBUG
  	select HAVE_MEMBLOCK
  	select HAVE_MEMBLOCK_NODE_MAP
  	select HAVE_VIRT_CPU_ACCOUNTING
  	select VIRT_TO_BUS
  	select ARCH_DISCARD_MEMBLOCK
  	select GENERIC_IRQ_PROBE
  	select GENERIC_PENDING_IRQ if SMP
  	select GENERIC_IRQ_SHOW
  	select ARCH_WANT_OPTIONAL_GPIOLIB
  	select ARCH_HAVE_NMI_SAFE_CMPXCHG
  	select GENERIC_IOMAP
  	select GENERIC_SMP_IDLE_THREAD
  	select ARCH_INIT_TASK
  	select ARCH_TASK_STRUCT_ALLOCATOR
  	select ARCH_THREAD_INFO_ALLOCATOR
  	select ARCH_CLOCKSOURCE_DATA
  	select GENERIC_TIME_VSYSCALL_OLD
  	select SYSCTL_ARCH_UNALIGN_NO_WARN
  	select HAVE_MOD_ARCH_SPECIFIC
  	select MODULES_USE_ELF_RELA
  	select ARCH_USE_CMPXCHG_LOCKREF
  	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 ARCH_DMA_ADDR_T_64BIT
  	def_bool y
  
  config NEED_DMA_MAP_STATE
  	def_bool y
  
  config NEED_SG_DMA_LENGTH
  	def_bool y
  
  config SWIOTLB
         bool
  
  config STACKTRACE_SUPPORT
  	def_bool y
  
  config GENERIC_LOCKBREAK
  	def_bool n
  
  config RWSEM_XCHGADD_ALGORITHM
  	bool
  	default y
  
  config HUGETLB_PAGE_SIZE_VARIABLE
  	bool
  	depends on HUGETLB_PAGE
  	default y
  
  config GENERIC_CALIBRATE_DELAY
  	bool
  	default y
  
  config HAVE_SETUP_PER_CPU_AREA
  	def_bool y
  
  config DMI
  	bool
  	default y
  	select DMI_SCAN_MACHINE_NON_EFI_FALLBACK
  
  config EFI
  	bool
  	select UCS2_STRING
  	default y
  
  config SCHED_OMIT_FRAME_POINTER
  	bool
  	default y
  
  config IA64_UNCACHED_ALLOCATOR
  	bool
  	select GENERIC_ALLOCATOR
  
  config ARCH_USES_PG_UNCACHED
  	def_bool y
  	depends on IA64_UNCACHED_ALLOCATOR
  
  config AUDIT_ARCH
  	bool
  	default y
  
  menuconfig PARAVIRT_GUEST
  	bool "Paravirtualized guest support"
  	depends on BROKEN
  	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.
  
  	  If you say N, all options in this submenu will be skipped and disabled.
  
  if PARAVIRT_GUEST
  
  config PARAVIRT
  	bool "Enable paravirtualization code"
  	depends on PARAVIRT_GUEST
  	default y
  	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
  
  choice
  	prompt "System type"
  	default IA64_GENERIC
  
  config IA64_GENERIC
  	bool "generic"
  	select NUMA
  	select ACPI_NUMA
  	select SWIOTLB
  	select PCI_MSI
  	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
  	  DIG+Intel+IOMMU	For DIG systems with Intel IOMMU
  	  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_DIG_VTD
  	bool "DIG+Intel+IOMMU"
  	select INTEL_IOMMU
  	select PCI_MSI
  
  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 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 (2-4096)"
  	range 2 4096
  	depends on SMP
  	default "4096"
  	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"
  	depends on SMP
  	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-targeted"
  	depends on PERMIT_BSP_REMOVE
  	default n
  	---help---
  	Say Y if you need to force the assumption that CPEI can be re-targeted 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.
  
  # 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 NUMA && SPARSEMEM
  
  config HAVE_ARCH_NODEDATA_EXTENSION
  	def_bool y
  	depends on NUMA
  
  config USE_PERCPU_NUMA_NODE_ID
  	def_bool y
  	depends on NUMA
  
  config HAVE_MEMORYLESS_NODES
  	def_bool NUMA
  
  config ARCH_PROC_KCORE_TEXT
  	def_bool y
  	depends on PROC_KCORE
  
  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"
  	depends on !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.  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"
  	  depends on 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 options"
  
  source "kernel/power/Kconfig"
  
  source "drivers/acpi/Kconfig"
  
  if PM
  menu "CPU Frequency scaling"
  source "drivers/cpufreq/Kconfig"
  endmenu
  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"
  
  source "arch/ia64/hp/sim/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/Kconfig.debug"
  
  source "security/Kconfig"
  
  source "crypto/Kconfig"
  
  source "arch/ia64/kvm/Kconfig"
  
  source "lib/Kconfig"
  
  config IOMMU_HELPER
  	def_bool (IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB || IA64_GENERIC || SWIOTLB)