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arch/ia64/Kconfig
16.4 KB
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source "init/Kconfig" |
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source "kernel/Kconfig.freezer" |
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menu "Processor type and features" config IA64 bool |
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select PCI if (!IA64_HP_SIM) 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 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 HAVE_MEMBLOCK select HAVE_MEMBLOCK_NODE_MAP select ARCH_DISCARD_MEMBLOCK |
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select GENERIC_IRQ_PROBE select GENERIC_PENDING_IRQ if SMP select IRQ_PER_CPU |
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select GENERIC_IRQ_SHOW |
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select ARCH_WANT_OPTIONAL_GPIOLIB |
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select ARCH_HAVE_NMI_SAFE_CMPXCHG |
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select GENERIC_IOMAP |
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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 |
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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 depends on !IA64_SGI_SN2 |
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config QUICKLIST bool default y |
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config MMU bool default y |
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config ARCH_DMA_ADDR_T_64BIT def_bool y |
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config NEED_DMA_MAP_STATE def_bool y |
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config NEED_SG_DMA_LENGTH def_bool y |
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config SWIOTLB bool |
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config STACKTRACE_SUPPORT 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 bool default y |
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config HUGETLB_PAGE_SIZE_VARIABLE bool depends on HUGETLB_PAGE default y |
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config GENERIC_CALIBRATE_DELAY bool default y |
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config GENERIC_TIME_VSYSCALL |
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bool default y |
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config HAVE_SETUP_PER_CPU_AREA |
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def_bool y |
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config GENERIC_GPIO |
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bool |
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config DMI bool default y |
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config EFI bool default y |
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config ARCH_CLOCKSOURCE_DATA def_bool y |
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config SCHED_OMIT_FRAME_POINTER |
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bool default y |
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config IA64_UNCACHED_ALLOCATOR bool select GENERIC_ALLOCATOR |
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config ARCH_USES_PG_UNCACHED def_bool y depends on IA64_UNCACHED_ALLOCATOR |
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config AUDIT_ARCH bool default y |
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menuconfig PARAVIRT_GUEST bool "Paravirtualized guest support" 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 bool 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. source "arch/ia64/xen/Kconfig" endif |
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choice prompt "System type" default IA64_GENERIC config IA64_GENERIC bool "generic" select NUMA select ACPI_NUMA |
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select SWIOTLB |
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select PCI_MSI |
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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 |
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DIG+Intel+IOMMU For DIG systems with Intel IOMMU |
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HP-zx1/sx1000 For HP systems HP-zx1/sx1000+swiotlb For HP systems with (broken) DMA-constrained devices. 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". config IA64_DIG bool "DIG-compliant" |
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select SWIOTLB |
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config IA64_DIG_VTD bool "DIG+Intel+IOMMU" select DMAR select PCI_MSI |
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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" |
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select SWIOTLB |
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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" |
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select NUMA select ACPI_NUMA |
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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. |
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config IA64_SGI_UV bool "SGI-UV" |
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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. |
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config IA64_HP_SIM bool "Ski-simulator" |
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select SWIOTLB |
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config IA64_XEN_GUEST bool "Xen guest" |
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select SWIOTLB |
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depends on XEN |
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help Build a kernel that runs on Xen guest domain. At this moment only 16KB page size in supported. |
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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 |
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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 |
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if IA64_HP_SIM config HZ default 32 endif 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 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 |
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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 |
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config FORCE_MAX_ZONEORDER |
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int "MAX_ORDER (11 - 17)" if !HUGETLB_PAGE range 11 17 if !HUGETLB_PAGE default "17" if HUGETLB_PAGE default "11" |
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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. |
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config SMP bool "Symmetric multi-processing support" |
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select USE_GENERIC_SMP_HELPERS |
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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. |
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See also the SMP-HOWTO available at <http://www.tldp.org/docs.html#howto>. |
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If you don't know what to do here, say N. config NR_CPUS |
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int "Maximum number of CPUs (2-4096)" range 2 4096 |
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depends on SMP |
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default "4096" |
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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. |
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config ARCH_ENABLE_MEMORY_HOTPLUG def_bool y |
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config ARCH_ENABLE_MEMORY_HOTREMOVE def_bool y |
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config SCHED_SMT bool "SMT scheduler support" depends on SMP |
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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. |
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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 |
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bool "Force assumption that CPEI can be re-targeted" |
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depends on PERMIT_BSP_REMOVE default n ---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. 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. |
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source "kernel/Kconfig.preempt" |
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source "mm/Kconfig" |
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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 |
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select SPARSEMEM_VMEMMAP_ENABLE |
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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 |
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select ACPI_NUMA if ACPI |
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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. |
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config NODES_SHIFT int "Max num nodes shift(3-10)" range 3 10 |
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default "10" |
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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. |
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# 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 |
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def_bool NUMA && SPARSEMEM |
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config HAVE_ARCH_NODEDATA_EXTENSION def_bool y depends on NUMA |
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config USE_PERCPU_NUMA_NODE_ID def_bool y 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 def_bool y depends on PROC_KCORE |
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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. |
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config IA64_MC_ERR_INJECT tristate "MC error injection support" help |
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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. |
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This is a useful tool for MCA testing. If you're unsure, do not select this option. |
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config SGI_SN def_bool y if (IA64_SGI_SN2 || IA64_GENERIC) |
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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. |
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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. |
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source "drivers/sn/Kconfig" |
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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 |
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but it is independent of the system firmware. And like a reboot |
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you can start any kernel with it, not just Linux. |
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The name comes from the similarity to the exec system call. |
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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 |
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bool "kernel crash dumps" depends on IA64_MCA_RECOVERY && !IA64_HP_SIM && (!SMP || HOTPLUG_CPU) |
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help Generate crash dump after being started by kexec. |
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source "drivers/firmware/Kconfig" source "fs/Kconfig.binfmt" endmenu |
1547a0122 [IA64] reorder Kc... |
545 |
menu "Power management and ACPI options" |
1da177e4c Linux-2.6.12-rc2 |
546 |
|
eb7b6b326 [ACPI] IA64-relat... |
547 |
source "kernel/power/Kconfig" |
1da177e4c Linux-2.6.12-rc2 |
548 549 |
source "drivers/acpi/Kconfig" |
4db8699bc [IA64] Add ACPI b... |
550 551 552 553 554 |
if PM source "arch/ia64/kernel/cpufreq/Kconfig" endif |
1da177e4c Linux-2.6.12-rc2 |
555 556 557 558 559 560 561 562 563 |
endmenu if !IA64_HP_SIM menu "Bus options (PCI, PCMCIA)" config PCI bool "PCI support" help |
85f265d88 [IA64] update CON... |
564 565 |
Real IA-64 machines all have PCI/PCI-X/PCI Express busses. Say Y here unless you are using a simulator without PCI support. |
1da177e4c Linux-2.6.12-rc2 |
566 567 |
config PCI_DOMAINS |
36e235901 PCI: Only build P... |
568 569 570 571 |
def_bool PCI config PCI_SYSCALL def_bool PCI |
1da177e4c Linux-2.6.12-rc2 |
572 |
|
b7bb575c3 [IA64] Make PCI E... |
573 |
source "drivers/pci/pcie/Kconfig" |
1da177e4c Linux-2.6.12-rc2 |
574 575 576 577 578 579 580 581 582 |
source "drivers/pci/Kconfig" source "drivers/pci/hotplug/Kconfig" source "drivers/pcmcia/Kconfig" endmenu endif |
d5950b435 [NET]: add a top-... |
583 |
source "net/Kconfig" |
1da177e4c Linux-2.6.12-rc2 |
584 |
source "drivers/Kconfig" |
1547a0122 [IA64] reorder Kc... |
585 |
source "arch/ia64/hp/sim/Kconfig" |
1a4b0fc50 [PATCH] mspec dri... |
586 587 588 589 590 591 592 593 |
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. |
1da177e4c Linux-2.6.12-rc2 |
594 |
source "fs/Kconfig" |
1547a0122 [IA64] reorder Kc... |
595 596 597 598 599 |
source "arch/ia64/Kconfig.debug" source "security/Kconfig" source "crypto/Kconfig" |
b693919ca KVM: ia64: Enable... |
600 |
source "arch/ia64/kvm/Kconfig" |
1da177e4c Linux-2.6.12-rc2 |
601 |
source "lib/Kconfig" |
b34eb53cd [IA64] make IOMMU... |
602 |
config IOMMU_HELPER |
a85225092 swiotlb: use iomm... |
603 |
def_bool (IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB || IA64_GENERIC || SWIOTLB) |