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Diffstat (limited to 'arch/ia64/Kconfig')
| -rw-r--r-- | arch/ia64/Kconfig | 455 |
1 files changed, 455 insertions, 0 deletions
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig new file mode 100644 index 000000000..975b00b60 --- /dev/null +++ b/arch/ia64/Kconfig @@ -0,0 +1,455 @@ +# SPDX-License-Identifier: GPL-2.0 +config PGTABLE_LEVELS + int "Page Table Levels" if !IA64_PAGE_SIZE_64KB + range 3 4 if !IA64_PAGE_SIZE_64KB + default 3 + +menu "Processor type and features" + +config IA64 + bool + select ARCH_HAS_CPU_FINALIZE_INIT + select ARCH_HAS_DMA_MARK_CLEAN + select ARCH_MIGHT_HAVE_PC_PARPORT + select ARCH_MIGHT_HAVE_PC_SERIO + select ACPI + select ACPI_NUMA if NUMA + select ARCH_SUPPORTS_ACPI + select ACPI_SYSTEM_POWER_STATES_SUPPORT if ACPI + select ARCH_MIGHT_HAVE_ACPI_PDC if ACPI + select FORCE_PCI + select PCI_DOMAINS if PCI + select PCI_MSI + select PCI_SYSCALL if PCI + select HAVE_ASM_MODVERSIONS + select HAVE_UNSTABLE_SCHED_CLOCK + select HAVE_EXIT_THREAD + 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 TTY + select HAVE_ARCH_TRACEHOOK + select HAVE_VIRT_CPU_ACCOUNTING + select VIRT_TO_BUS + select GENERIC_IRQ_PROBE + select GENERIC_PENDING_IRQ if SMP + select GENERIC_IRQ_SHOW + select GENERIC_IRQ_LEGACY + select ARCH_HAVE_NMI_SAFE_CMPXCHG + select GENERIC_IOMAP + select GENERIC_SMP_IDLE_THREAD + select ARCH_TASK_STRUCT_ON_STACK + select ARCH_TASK_STRUCT_ALLOCATOR + select ARCH_THREAD_STACK_ALLOCATOR + select ARCH_CLOCKSOURCE_DATA + select GENERIC_TIME_VSYSCALL + select SWIOTLB + select SYSCTL_ARCH_UNALIGN_NO_WARN + select HAVE_MOD_ARCH_SPECIFIC + select MODULES_USE_ELF_RELA + select ARCH_USE_CMPXCHG_LOCKREF + select HAVE_ARCH_AUDITSYSCALL + select NEED_DMA_MAP_STATE + select NEED_SG_DMA_LENGTH + select NUMA if !FLATMEM + select PCI_MSI_ARCH_FALLBACKS if PCI_MSI + select SET_FS + 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_DMA32 + def_bool y + +config MMU + bool + default y + +config STACKTRACE_SUPPORT + def_bool y + +config GENERIC_LOCKBREAK + def_bool n + +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 + +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 + +source "kernel/Kconfig.hz" + +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_SGI_UV + bool "SGI-UV support" + help + Selecting this option will add specific support for running on SGI + UV based systems. If you have an SGI UV system or are building a + distro kernel, select this option. + +config IA64_HP_SBA_IOMMU + bool "HP SBA IOMMU support" + select DMA_OPS + default y + help + Say Y here to add support for the SBA IOMMU found on HP zx1 and + sx1000 systems. If you're unsure, answer Y. + +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 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. + +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.rst> 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 + depends on ARCH_DISCONTIGMEM_ENABLE + +config NUMA + bool "NUMA support" + depends on !FLATMEM + select SMP + 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 + 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 + bool "MCA recovery from errors other than TLB." + +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 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. + +config KEXEC + bool "kexec system call" + depends on !SMP || HOTPLUG_CPU + select KEXEC_CORE + 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 && (!SMP || HOTPLUG_CPU) + help + Generate crash dump after being started by kexec. + +source "drivers/firmware/Kconfig" + +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 + +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. |