687 строки
17 KiB
Plaintext
687 строки
17 KiB
Plaintext
source "init/Kconfig"
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source "kernel/Kconfig.freezer"
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menu "Processor type and features"
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config IA64
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bool
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select PCI if (!IA64_HP_SIM)
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select ACPI if (!IA64_HP_SIM)
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select PM if (!IA64_HP_SIM)
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select ARCH_SUPPORTS_MSI
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select HAVE_UNSTABLE_SCHED_CLOCK
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select HAVE_IDE
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select HAVE_OPROFILE
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select HAVE_KPROBES
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select HAVE_KRETPROBES
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select HAVE_FTRACE_MCOUNT_RECORD
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select HAVE_DYNAMIC_FTRACE if (!ITANIUM)
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select HAVE_FUNCTION_TRACER
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select HAVE_DMA_ATTRS
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select HAVE_KVM
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select HAVE_ARCH_TRACEHOOK
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select HAVE_DMA_API_DEBUG
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select HAVE_GENERIC_HARDIRQS
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select GENERIC_IRQ_PROBE
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select GENERIC_PENDING_IRQ if SMP
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select IRQ_PER_CPU
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select GENERIC_IRQ_SHOW
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default y
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help
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The Itanium Processor Family is Intel's 64-bit successor to
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the 32-bit X86 line. The IA-64 Linux project has a home
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page at <http://www.linuxia64.org/> and a mailing list at
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<linux-ia64@vger.kernel.org>.
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config 64BIT
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bool
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select ATA_NONSTANDARD if ATA
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default y
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config ZONE_DMA
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def_bool y
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depends on !IA64_SGI_SN2
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config QUICKLIST
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bool
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default y
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config MMU
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bool
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default y
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config ARCH_DMA_ADDR_T_64BIT
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def_bool y
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config NEED_DMA_MAP_STATE
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def_bool y
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config NEED_SG_DMA_LENGTH
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def_bool y
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config SWIOTLB
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bool
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config STACKTRACE_SUPPORT
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def_bool y
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config GENERIC_LOCKBREAK
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def_bool n
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config RWSEM_XCHGADD_ALGORITHM
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bool
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default y
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config HUGETLB_PAGE_SIZE_VARIABLE
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bool
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depends on HUGETLB_PAGE
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default y
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config GENERIC_CALIBRATE_DELAY
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bool
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default y
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config GENERIC_TIME_VSYSCALL
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bool
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default y
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config HAVE_SETUP_PER_CPU_AREA
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def_bool y
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config DMI
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bool
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default y
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config EFI
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bool
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default y
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config GENERIC_IOMAP
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bool
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default y
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config SCHED_OMIT_FRAME_POINTER
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bool
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default y
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config IA64_UNCACHED_ALLOCATOR
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bool
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select GENERIC_ALLOCATOR
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config ARCH_USES_PG_UNCACHED
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def_bool y
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depends on IA64_UNCACHED_ALLOCATOR
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config AUDIT_ARCH
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bool
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default y
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menuconfig PARAVIRT_GUEST
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bool "Paravirtualized guest support"
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help
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Say Y here to get to see options related to running Linux under
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various hypervisors. This option alone does not add any kernel code.
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If you say N, all options in this submenu will be skipped and disabled.
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if PARAVIRT_GUEST
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config PARAVIRT
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bool "Enable paravirtualization code"
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depends on PARAVIRT_GUEST
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default y
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bool
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default y
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help
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This changes the kernel so it can modify itself when it is run
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under a hypervisor, potentially improving performance significantly
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over full virtualization. However, when run without a hypervisor
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the kernel is theoretically slower and slightly larger.
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source "arch/ia64/xen/Kconfig"
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endif
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choice
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prompt "System type"
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default IA64_GENERIC
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config IA64_GENERIC
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bool "generic"
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select NUMA
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select ACPI_NUMA
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select SWIOTLB
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select PCI_MSI
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select DMAR
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help
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This selects the system type of your hardware. A "generic" kernel
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will run on any supported IA-64 system. However, if you configure
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a kernel for your specific system, it will be faster and smaller.
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generic For any supported IA-64 system
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DIG-compliant For DIG ("Developer's Interface Guide") compliant systems
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DIG+Intel+IOMMU For DIG systems with Intel IOMMU
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HP-zx1/sx1000 For HP systems
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HP-zx1/sx1000+swiotlb For HP systems with (broken) DMA-constrained devices.
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SGI-SN2 For SGI Altix systems
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SGI-UV For SGI UV systems
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Ski-simulator For the HP simulator <http://www.hpl.hp.com/research/linux/ski/>
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Xen-domU For xen domU system
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If you don't know what to do, choose "generic".
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config IA64_DIG
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bool "DIG-compliant"
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select SWIOTLB
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config IA64_DIG_VTD
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bool "DIG+Intel+IOMMU"
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select DMAR
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select PCI_MSI
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config IA64_HP_ZX1
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bool "HP-zx1/sx1000"
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help
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Build a kernel that runs on HP zx1 and sx1000 systems. This adds
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support for the HP I/O MMU.
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config IA64_HP_ZX1_SWIOTLB
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bool "HP-zx1/sx1000 with software I/O TLB"
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select SWIOTLB
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help
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Build a kernel that runs on HP zx1 and sx1000 systems even when they
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have broken PCI devices which cannot DMA to full 32 bits. Apart
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from support for the HP I/O MMU, this includes support for the software
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I/O TLB, which allows supporting the broken devices at the expense of
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wasting some kernel memory (about 2MB by default).
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config IA64_SGI_SN2
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bool "SGI-SN2"
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select NUMA
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select ACPI_NUMA
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help
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Selecting this option will optimize the kernel for use on sn2 based
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systems, but the resulting kernel binary will not run on other
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types of ia64 systems. If you have an SGI Altix system, it's safe
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to select this option. If in doubt, select ia64 generic support
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instead.
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config IA64_SGI_UV
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bool "SGI-UV"
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select NUMA
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select ACPI_NUMA
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select SWIOTLB
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help
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Selecting this option will optimize the kernel for use on UV based
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systems, but the resulting kernel binary will not run on other
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types of ia64 systems. If you have an SGI UV system, it's safe
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to select this option. If in doubt, select ia64 generic support
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instead.
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config IA64_HP_SIM
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bool "Ski-simulator"
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select SWIOTLB
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config IA64_XEN_GUEST
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bool "Xen guest"
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select SWIOTLB
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depends on XEN
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help
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Build a kernel that runs on Xen guest domain. At this moment only
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16KB page size in supported.
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endchoice
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choice
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prompt "Processor type"
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default ITANIUM
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config ITANIUM
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bool "Itanium"
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help
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Select your IA-64 processor type. The default is Itanium.
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This choice is safe for all IA-64 systems, but may not perform
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optimally on systems with, say, Itanium 2 or newer processors.
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config MCKINLEY
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bool "Itanium 2"
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help
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Select this to configure for an Itanium 2 (McKinley) processor.
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endchoice
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choice
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prompt "Kernel page size"
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default IA64_PAGE_SIZE_16KB
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config IA64_PAGE_SIZE_4KB
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bool "4KB"
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help
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This lets you select the page size of the kernel. For best IA-64
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performance, a page size of 8KB or 16KB is recommended. For best
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IA-32 compatibility, a page size of 4KB should be selected (the vast
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majority of IA-32 binaries work perfectly fine with a larger page
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size). For Itanium 2 or newer systems, a page size of 64KB can also
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be selected.
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4KB For best IA-32 compatibility
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8KB For best IA-64 performance
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16KB For best IA-64 performance
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64KB Requires Itanium 2 or newer processor.
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If you don't know what to do, choose 16KB.
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config IA64_PAGE_SIZE_8KB
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bool "8KB"
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config IA64_PAGE_SIZE_16KB
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bool "16KB"
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config IA64_PAGE_SIZE_64KB
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depends on !ITANIUM
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bool "64KB"
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endchoice
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choice
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prompt "Page Table Levels"
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default PGTABLE_3
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config PGTABLE_3
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bool "3 Levels"
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config PGTABLE_4
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depends on !IA64_PAGE_SIZE_64KB
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bool "4 Levels"
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endchoice
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if IA64_HP_SIM
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config HZ
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default 32
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endif
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if !IA64_HP_SIM
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source kernel/Kconfig.hz
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endif
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config IA64_BRL_EMU
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bool
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depends on ITANIUM
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default y
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# align cache-sensitive data to 128 bytes
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config IA64_L1_CACHE_SHIFT
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int
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default "7" if MCKINLEY
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default "6" if ITANIUM
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config IA64_CYCLONE
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bool "Cyclone (EXA) Time Source support"
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help
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Say Y here to enable support for IBM EXA Cyclone time source.
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If you're unsure, answer N.
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config IOSAPIC
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bool
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depends on !IA64_HP_SIM
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default y
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config FORCE_MAX_ZONEORDER
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int "MAX_ORDER (11 - 17)" if !HUGETLB_PAGE
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range 11 17 if !HUGETLB_PAGE
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default "17" if HUGETLB_PAGE
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default "11"
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config VIRT_CPU_ACCOUNTING
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bool "Deterministic task and CPU time accounting"
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default n
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help
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Select this option to enable more accurate task and CPU time
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accounting. This is done by reading a CPU counter on each
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kernel entry and exit and on transitions within the kernel
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between system, softirq and hardirq state, so there is a
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small performance impact.
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If in doubt, say N here.
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config SMP
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bool "Symmetric multi-processing support"
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select USE_GENERIC_SMP_HELPERS
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help
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This enables support for systems with more than one CPU. If you have
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a system with only one CPU, say N. If you have a system with more
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than one CPU, say Y.
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If you say N here, the kernel will run on single and multiprocessor
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systems, but will use only one CPU of a multiprocessor system. If
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you say Y here, the kernel will run on many, but not all,
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single processor systems. On a single processor system, the kernel
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will run faster if you say N here.
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See also the SMP-HOWTO available at
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<http://www.tldp.org/docs.html#howto>.
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If you don't know what to do here, say N.
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config NR_CPUS
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int "Maximum number of CPUs (2-4096)"
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range 2 4096
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depends on SMP
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default "4096"
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help
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You should set this to the number of CPUs in your system, but
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keep in mind that a kernel compiled for, e.g., 2 CPUs will boot but
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only use 2 CPUs on a >2 CPU system. Setting this to a value larger
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than 64 will cause the use of a CPU mask array, causing a small
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performance hit.
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config HOTPLUG_CPU
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bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
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depends on SMP && EXPERIMENTAL
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select HOTPLUG
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default n
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---help---
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Say Y here to experiment with turning CPUs off and on. CPUs
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can be controlled through /sys/devices/system/cpu/cpu#.
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Say N if you want to disable CPU hotplug.
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config ARCH_ENABLE_MEMORY_HOTPLUG
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def_bool y
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config ARCH_ENABLE_MEMORY_HOTREMOVE
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def_bool y
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config SCHED_SMT
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bool "SMT scheduler support"
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depends on SMP
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help
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Improves the CPU scheduler's decision making when dealing with
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Intel IA64 chips with MultiThreading at a cost of slightly increased
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overhead in some places. If unsure say N here.
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config PERMIT_BSP_REMOVE
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bool "Support removal of Bootstrap Processor"
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depends on HOTPLUG_CPU
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default n
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---help---
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Say Y here if your platform SAL will support removal of BSP with HOTPLUG_CPU
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support.
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config FORCE_CPEI_RETARGET
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bool "Force assumption that CPEI can be re-targeted"
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depends on PERMIT_BSP_REMOVE
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default n
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---help---
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Say Y if you need to force the assumption that CPEI can be re-targeted to
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any cpu in the system. This hint is available via ACPI 3.0 specifications.
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Tiger4 systems are capable of re-directing CPEI to any CPU other than BSP.
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This option it useful to enable this feature on older BIOS's as well.
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You can also enable this by using boot command line option force_cpei=1.
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source "kernel/Kconfig.preempt"
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source "mm/Kconfig"
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config ARCH_SELECT_MEMORY_MODEL
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def_bool y
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config ARCH_DISCONTIGMEM_ENABLE
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def_bool y
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help
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Say Y to support efficient handling of discontiguous physical memory,
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for architectures which are either NUMA (Non-Uniform Memory Access)
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or have huge holes in the physical address space for other reasons.
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See <file:Documentation/vm/numa> for more.
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config ARCH_FLATMEM_ENABLE
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def_bool y
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config ARCH_SPARSEMEM_ENABLE
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def_bool y
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depends on ARCH_DISCONTIGMEM_ENABLE
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select SPARSEMEM_VMEMMAP_ENABLE
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config ARCH_DISCONTIGMEM_DEFAULT
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def_bool y if (IA64_SGI_SN2 || IA64_GENERIC || IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB)
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depends on ARCH_DISCONTIGMEM_ENABLE
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config NUMA
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bool "NUMA support"
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depends on !IA64_HP_SIM && !FLATMEM
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default y if IA64_SGI_SN2
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select ACPI_NUMA if ACPI
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help
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Say Y to compile the kernel to support NUMA (Non-Uniform Memory
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Access). This option is for configuring high-end multiprocessor
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server systems. If in doubt, say N.
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config NODES_SHIFT
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int "Max num nodes shift(3-10)"
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range 3 10
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default "10"
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depends on NEED_MULTIPLE_NODES
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help
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This option specifies the maximum number of nodes in your SSI system.
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MAX_NUMNODES will be 2^(This value).
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If in doubt, use the default.
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config ARCH_POPULATES_NODE_MAP
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def_bool y
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# VIRTUAL_MEM_MAP and FLAT_NODE_MEM_MAP are functionally equivalent.
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# VIRTUAL_MEM_MAP has been retained for historical reasons.
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config VIRTUAL_MEM_MAP
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bool "Virtual mem map"
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depends on !SPARSEMEM
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default y if !IA64_HP_SIM
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help
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Say Y to compile the kernel with support for a virtual mem map.
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This code also only takes effect if a memory hole of greater than
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1 Gb is found during boot. You must turn this option on if you
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require the DISCONTIGMEM option for your machine. If you are
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unsure, say Y.
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config HOLES_IN_ZONE
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bool
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default y if VIRTUAL_MEM_MAP
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config HAVE_ARCH_EARLY_PFN_TO_NID
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def_bool NUMA && SPARSEMEM
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config HAVE_ARCH_NODEDATA_EXTENSION
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def_bool y
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depends on NUMA
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config USE_PERCPU_NUMA_NODE_ID
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def_bool y
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depends on NUMA
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config HAVE_MEMORYLESS_NODES
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def_bool NUMA
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config ARCH_PROC_KCORE_TEXT
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def_bool y
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depends on PROC_KCORE
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config IA64_MCA_RECOVERY
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tristate "MCA recovery from errors other than TLB."
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config PERFMON
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bool "Performance monitor support"
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help
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Selects whether support for the IA-64 performance monitor hardware
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is included in the kernel. This makes some kernel data-structures a
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little bigger and slows down execution a bit, but it is generally
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a good idea to turn this on. If you're unsure, say Y.
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config IA64_PALINFO
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tristate "/proc/pal support"
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help
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If you say Y here, you are able to get PAL (Processor Abstraction
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Layer) information in /proc/pal. This contains useful information
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about the processors in your systems, such as cache and TLB sizes
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and the PAL firmware version in use.
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To use this option, you have to ensure that the "/proc file system
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support" (CONFIG_PROC_FS) is enabled, too.
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config IA64_MC_ERR_INJECT
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tristate "MC error injection support"
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help
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Adds support for MC error injection. If enabled, the kernel
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will provide a sysfs interface for user applications to
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call MC error injection PAL procedures to inject various errors.
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This is a useful tool for MCA testing.
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If you're unsure, do not select this option.
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config SGI_SN
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def_bool y if (IA64_SGI_SN2 || IA64_GENERIC)
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config IA64_ESI
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bool "ESI (Extensible SAL Interface) support"
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help
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If you say Y here, support is built into the kernel to
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make ESI calls. ESI calls are used to support vendor-specific
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firmware extensions, such as the ability to inject memory-errors
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for test-purposes. If you're unsure, say N.
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config IA64_HP_AML_NFW
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bool "Support ACPI AML calls to native firmware"
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help
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This driver installs a global ACPI Operation Region handler for
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region 0xA1. AML methods can use this OpRegion to call arbitrary
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native firmware functions. The driver installs the OpRegion
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handler if there is an HPQ5001 device or if the user supplies
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the "force" module parameter, e.g., with the "aml_nfw.force"
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kernel command line option.
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source "drivers/sn/Kconfig"
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config KEXEC
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bool "kexec system call (EXPERIMENTAL)"
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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"
|
|
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
|
|
|
|
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"
|
|
|
|
config DMAR
|
|
bool "Support for DMA Remapping Devices (EXPERIMENTAL)"
|
|
depends on IA64_GENERIC && ACPI && EXPERIMENTAL
|
|
help
|
|
DMA remapping (DMAR) devices support enables independent address
|
|
translations for Direct Memory Access (DMA) from devices.
|
|
These DMA remapping devices are reported via ACPI tables
|
|
and include PCI device scope covered by these DMA
|
|
remapping devices.
|
|
|
|
config DMAR_DEFAULT_ON
|
|
def_bool y
|
|
prompt "Enable DMA Remapping Devices by default"
|
|
depends on DMAR
|
|
help
|
|
Selecting this option will enable a DMAR device at boot time if
|
|
one is found. If this option is not selected, DMAR support can
|
|
be enabled by passing intel_iommu=on to the kernel. It is
|
|
recommended you say N here while the DMAR code remains
|
|
experimental.
|
|
|
|
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)
|
|
|
|
config IOMMU_API
|
|
def_bool (DMAR)
|