diff options
Diffstat (limited to 'arch/ia64/Kconfig')
| -rw-r--r-- | arch/ia64/Kconfig | 343 |
1 files changed, 234 insertions, 109 deletions
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index f521f2f60a7..2f3abcf8f6b 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -1,16 +1,52 @@ -# -# For a description of the syntax of this configuration file, -# see Documentation/kbuild/kconfig-language.txt. -# - -mainmenu "IA-64 Linux Kernel Configuration" - source "init/Kconfig" +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 TTY + 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 GENERIC_IRQ_LEGACY + 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 + select HAVE_ARCH_AUDITSYSCALL default y help The Itanium Processor Family is Intel's 64-bit successor to @@ -20,45 +56,66 @@ config IA64 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 - default y + +config STACKTRACE_SUPPORT + def_bool y + +config GENERIC_LOCKBREAK + def_bool n config RWSEM_XCHGADD_ALGORITHM bool default y -config GENERIC_FIND_NEXT_BIT +config HUGETLB_PAGE_SIZE_VARIABLE bool + depends on HUGETLB_PAGE default y config GENERIC_CALIBRATE_DELAY bool default y -config TIME_INTERPOLATION - 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 GENERIC_IOMAP - bool - default y - -config SCHED_NO_NO_OMIT_FRAME_POINTER +config SCHED_OMIT_FRAME_POINTER bool default y @@ -66,20 +123,47 @@ 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 ACPI - select PCI 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 @@ -87,15 +171,23 @@ config IA64_GENERIC 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" @@ -105,6 +197,7 @@ config IA64_HP_ZX1 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 @@ -114,6 +207,8 @@ config IA64_HP_ZX1_SWIOTLB 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 @@ -121,8 +216,21 @@ config IA64_SGI_SN2 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 @@ -190,7 +298,14 @@ config PGTABLE_4 endchoice +if IA64_HP_SIM +config HZ + default 32 +endif + +if !IA64_HP_SIM source kernel/Kconfig.hz +endif config IA64_BRL_EMU bool @@ -214,17 +329,6 @@ config IOSAPIC depends on !IA64_HP_SIM default y -config IA64_SGI_SN_XP - tristate "Support communication between SGI SSIs" - depends on IA64_GENERIC || IA64_SGI_SN2 - select IA64_UNCACHED_ALLOCATOR - help - An SGI machine can be divided into multiple Single System - Images which act independently of each other and have - hardware based memory protection from the others. Enabling - this feature will allow for direct communication between SSIs - based on a network adapter and DMA messaging. - config FORCE_MAX_ZONEORDER int "MAX_ORDER (11 - 17)" if !HUGETLB_PAGE range 11 17 if !HUGETLB_PAGE @@ -244,16 +348,16 @@ config SMP single processor systems. On a single processor system, the kernel will run faster if you say N here. - See also the <file:Documentation/smp.txt> and the SMP-HOWTO - available at <http://www.tldp.org/docs.html#howto>. + See also the SMP-HOWTO available at + <http://www.tldp.org/docs.html#howto>. If you don't know what to do here, say N. config NR_CPUS - int "Maximum number of CPUs (2-1024)" - range 2 1024 + int "Maximum number of CPUs (2-4096)" + range 2 4096 depends on SMP - default "1024" + 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 @@ -262,9 +366,8 @@ config NR_CPUS performance hit. config HOTPLUG_CPU - bool "Support for hot-pluggable CPUs (EXPERIMENTAL)" - depends on SMP && EXPERIMENTAL - select HOTPLUG + bool "Support for hot-pluggable CPUs" + depends on SMP default n ---help--- Say Y here to experiment with turning CPUs off and on. CPUs @@ -274,6 +377,9 @@ config HOTPLUG_CPU 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 @@ -291,27 +397,17 @@ config PERMIT_BSP_REMOVE support. config FORCE_CPEI_RETARGET - bool "Force assumption that CPEI can be re-targetted" + 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-targetted to + 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 PREEMPT - bool "Preemptible Kernel" - help - This option reduces the latency of the kernel when reacting to - real-time or interactive events by allowing a low priority process to - be preempted even if it is in kernel mode executing a system call. - This allows applications to run more reliably even when the system is - under load. - - Say Y here if you are building a kernel for a desktop, embedded - or real-time system. Say N if you are unsure. +source "kernel/Kconfig.preempt" source "mm/Kconfig" @@ -332,6 +428,7 @@ config ARCH_FLATMEM_ENABLE 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) @@ -341,6 +438,7 @@ 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 @@ -374,26 +472,22 @@ config HOLES_IN_ZONE default y if VIRTUAL_MEM_MAP config HAVE_ARCH_EARLY_PFN_TO_NID - def_bool y - depends on NEED_MULTIPLE_NODES + def_bool NUMA && SPARSEMEM config HAVE_ARCH_NODEDATA_EXTENSION def_bool y depends on NUMA -config IA32_SUPPORT - bool "Support for Linux/x86 binaries" - help - IA-64 processors can execute IA-32 (X86) instructions. By - saying Y here, the kernel will include IA-32 system call - emulation support which makes it possible to transparently - run IA-32 Linux binaries on an IA-64 Linux system. - If in doubt, say Y. +config USE_PERCPU_NUMA_NODE_ID + def_bool y + depends on NUMA -config COMPAT - bool - depends on IA32_SUPPORT - default y +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." @@ -417,27 +511,78 @@ config IA64_PALINFO 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" +menu "Power management and ACPI options" source "kernel/power/Kconfig" source "drivers/acpi/Kconfig" if PM - -source "arch/ia64/kernel/cpufreq/Kconfig" - +menu "CPU Frequency scaling" +source "drivers/cpufreq/Kconfig" +endmenu endif endmenu @@ -453,8 +598,10 @@ config PCI here unless you are using a simulator without PCI support. config PCI_DOMAINS - bool - default PCI + def_bool PCI + +config PCI_SYSCALL + def_bool PCI source "drivers/pci/pcie/Kconfig" @@ -472,50 +619,28 @@ source "net/Kconfig" source "drivers/Kconfig" -source "fs/Kconfig" - -source "lib/Kconfig" - -# -# Use the generic interrupt handling code in kernel/irq/: -# -config GENERIC_HARDIRQS - bool - default y - -config GENERIC_IRQ_PROBE - bool - default y - -config GENERIC_PENDING_IRQ - bool - depends on GENERIC_HARDIRQS && SMP - default y - -config IRQ_PER_CPU - bool - default y - source "arch/ia64/hp/sim/Kconfig" -menu "Instrumentation Support" - depends on EXPERIMENTAL - -source "arch/ia64/oprofile/Kconfig" - -config KPROBES - bool "Kprobes (EXPERIMENTAL)" - depends on EXPERIMENTAL && MODULES +config MSPEC + tristate "Memory special operations driver" + depends on IA64 + select IA64_UNCACHED_ALLOCATOR help - Kprobes allows you to trap at almost any kernel address and - execute a callback function. register_kprobe() establishes - a probepoint and specifies the callback. Kprobes is useful - for kernel debugging, non-intrusive instrumentation and testing. - If in doubt, say "N". -endmenu + 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) |