| # | |
| # For a description of the syntax of this configuration file, | |
| # see Documentation/kbuild/kconfig-language.txt. | |
| # | |
| config 64BIT | |
| def_bool y | |
| config MMU | |
| bool | |
| default y | |
| config UID16 | |
| bool | |
| config RWSEM_GENERIC_SPINLOCK | |
| bool | |
| config RWSEM_XCHGADD_ALGORITHM | |
| bool | |
| default y | |
| config GENERIC_CALIBRATE_DELAY | |
| bool | |
| default y | |
| config GENERIC_ISA_DMA | |
| bool | |
| default y | |
| config HAVE_DEC_LOCK | |
| bool | |
| default y | |
| config EARLY_PRINTK | |
| bool | |
| default y | |
| config COMPAT | |
| bool | |
| default y | |
| config FRAME_POINTER | |
| bool | |
| default y | |
| # We optimistically allocate largepages from the VM, so make the limit | |
| # large enough (16MB). This badly named config option is actually | |
| # max order + 1 | |
| config FORCE_MAX_ZONEORDER | |
| int | |
| default "13" | |
| source "init/Kconfig" | |
| config SYSVIPC_COMPAT | |
| bool | |
| depends on COMPAT && SYSVIPC | |
| default y | |
| menu "Platform support" | |
| choice | |
| prompt "Platform Type" | |
| default PPC_MULTIPLATFORM | |
| config PPC_ISERIES | |
| bool "IBM Legacy iSeries" | |
| config PPC_MULTIPLATFORM | |
| bool "Generic" | |
| endchoice | |
| config PPC_PSERIES | |
| depends on PPC_MULTIPLATFORM | |
| bool " IBM pSeries & new iSeries" | |
| default y | |
| config PPC_PMAC | |
| depends on PPC_MULTIPLATFORM | |
| bool " Apple G5 based machines" | |
| default y | |
| select ADB_PMU | |
| select U3_DART | |
| config PPC_MAPLE | |
| depends on PPC_MULTIPLATFORM | |
| bool " Maple 970FX Evaluation Board" | |
| select U3_DART | |
| select MPIC_BROKEN_U3 | |
| default n | |
| help | |
| This option enables support for the Maple 970FX Evaluation Board. | |
| For more informations, refer to <http://www.970eval.com> | |
| config PPC | |
| bool | |
| default y | |
| config PPC64 | |
| bool | |
| default y | |
| config PPC_OF | |
| depends on PPC_MULTIPLATFORM | |
| bool | |
| default y | |
| # VMX is pSeries only for now until somebody writes the iSeries | |
| # exception vectors for it | |
| config ALTIVEC | |
| bool "Support for VMX (Altivec) vector unit" | |
| depends on PPC_MULTIPLATFORM | |
| default y | |
| config PPC_SPLPAR | |
| depends on PPC_PSERIES | |
| bool "Support for shared-processor logical partitions" | |
| default n | |
| help | |
| Enabling this option will make the kernel run more efficiently | |
| on logically-partitioned pSeries systems which use shared | |
| processors, that is, which share physical processors between | |
| two or more partitions. | |
| config IBMVIO | |
| depends on PPC_PSERIES || PPC_ISERIES | |
| bool | |
| default y | |
| config U3_DART | |
| bool | |
| depends on PPC_MULTIPLATFORM | |
| default n | |
| config MPIC_BROKEN_U3 | |
| bool | |
| depends on PPC_MAPLE | |
| default y | |
| config PPC_PMAC64 | |
| bool | |
| depends on PPC_PMAC | |
| default y | |
| config BOOTX_TEXT | |
| bool "Support for early boot text console" | |
| depends PPC_OF | |
| help | |
| Say Y here to see progress messages from the boot firmware in text | |
| mode. Requires an Open Firmware compatible video card. | |
| config POWER4_ONLY | |
| bool "Optimize for POWER4" | |
| default n | |
| ---help--- | |
| Cause the compiler to optimize for POWER4 processors. The resulting | |
| binary will not work on POWER3 or RS64 processors when compiled with | |
| binutils 2.15 or later. | |
| config IOMMU_VMERGE | |
| bool "Enable IOMMU virtual merging (EXPERIMENTAL)" | |
| depends on EXPERIMENTAL | |
| default n | |
| help | |
| Cause IO segments sent to a device for DMA to be merged virtually | |
| by the IOMMU when they happen to have been allocated contiguously. | |
| This doesn't add pressure to the IOMMU allocator. However, some | |
| drivers don't support getting large merged segments coming back | |
| from *_map_sg(). Say Y if you know the drivers you are using are | |
| properly handling this case. | |
| 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 | |
| machines, but will use only one CPU of a multiprocessor machine. If | |
| you say Y here, the kernel will run on single-processor machines. | |
| On a single-processor machine, the kernel will run faster if you say | |
| N here. | |
| If you don't know what to do here, say Y. | |
| config NR_CPUS | |
| int "Maximum number of CPUs (2-128)" | |
| range 2 128 | |
| depends on SMP | |
| default "32" | |
| config HMT | |
| bool "Hardware multithreading" | |
| depends on SMP && PPC_PSERIES | |
| config DISCONTIGMEM | |
| bool "Discontiguous Memory Support" | |
| depends on SMP && PPC_PSERIES | |
| config NUMA | |
| bool "NUMA support" | |
| depends on DISCONTIGMEM | |
| config SCHED_SMT | |
| bool "SMT (Hyperthreading) scheduler support" | |
| depends on SMP | |
| default off | |
| help | |
| SMT scheduler support improves the CPU scheduler's decision making | |
| when dealing with POWER5 cpus at a cost of slightly increased | |
| overhead in some places. If unsure say N here. | |
| 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. | |
| Say Y here if you are building a kernel for a desktop, embedded | |
| or real-time system. Say N if you are unsure. | |
| config PREEMPT_BKL | |
| bool "Preempt The Big Kernel Lock" | |
| depends on PREEMPT | |
| default y | |
| help | |
| This option reduces the latency of the kernel by making the | |
| big kernel lock preemptible. | |
| Say Y here if you are building a kernel for a desktop system. | |
| Say N if you are unsure. | |
| config EEH | |
| bool "PCI Extended Error Handling (EEH)" if EMBEDDED | |
| depends on PPC_PSERIES | |
| default y if !EMBEDDED | |
| # | |
| # Use the generic interrupt handling code in kernel/irq/: | |
| # | |
| config GENERIC_HARDIRQS | |
| bool | |
| default y | |
| config MSCHUNKS | |
| bool | |
| depends on PPC_ISERIES | |
| default y | |
| config PPC_RTAS | |
| bool "Proc interface to RTAS" | |
| depends on PPC_PSERIES | |
| config RTAS_FLASH | |
| tristate "Firmware flash interface" | |
| depends on PPC_RTAS | |
| config SCANLOG | |
| tristate "Scanlog dump interface" | |
| depends on PPC_RTAS | |
| config LPARCFG | |
| tristate "LPAR Configuration Data" | |
| depends on PPC_PSERIES || PPC_ISERIES | |
| help | |
| Provide system capacity information via human readable | |
| <key word>=<value> pairs through a /proc/ppc64/lparcfg interface. | |
| endmenu | |
| menu "General setup" | |
| config ISA | |
| bool | |
| help | |
| Find out whether you have ISA slots on your motherboard. ISA is the | |
| name of a bus system, i.e. the way the CPU talks to the other stuff | |
| inside your box. If you have an Apple machine, say N here; if you | |
| have an IBM RS/6000 or pSeries machine or a PReP machine, say Y. If | |
| you have an embedded board, consult your board documentation. | |
| config SBUS | |
| bool | |
| config MCA | |
| bool | |
| config EISA | |
| bool | |
| config PCI | |
| bool | |
| default y | |
| help | |
| Find out whether your system includes a PCI bus. PCI is the name of | |
| a bus system, i.e. the way the CPU talks to the other stuff inside | |
| your box. If you say Y here, the kernel will include drivers and | |
| infrastructure code to support PCI bus devices. | |
| config PCI_DOMAINS | |
| bool | |
| default PCI | |
| source "fs/Kconfig.binfmt" | |
| source "drivers/pci/Kconfig" | |
| config HOTPLUG_CPU | |
| bool "Support for hot-pluggable CPUs" | |
| depends on SMP && EXPERIMENTAL && PPC_PSERIES | |
| select HOTPLUG | |
| ---help--- | |
| Say Y here to be able to turn CPUs off and on. | |
| Say N if you are unsure. | |
| source "drivers/pcmcia/Kconfig" | |
| source "drivers/pci/hotplug/Kconfig" | |
| config PROC_DEVICETREE | |
| bool "Support for Open Firmware device tree in /proc" | |
| depends on !PPC_ISERIES | |
| help | |
| This option adds a device-tree directory under /proc which contains | |
| an image of the device tree that the kernel copies from Open | |
| Firmware. If unsure, say Y here. | |
| config CMDLINE_BOOL | |
| bool "Default bootloader kernel arguments" | |
| depends on !PPC_ISERIES | |
| config CMDLINE | |
| string "Initial kernel command string" | |
| depends on CMDLINE_BOOL | |
| default "console=ttyS0,9600 console=tty0 root=/dev/sda2" | |
| help | |
| On some platforms, there is currently no way for the boot loader to | |
| pass arguments to the kernel. For these platforms, you can supply | |
| some command-line options at build time by entering them here. In | |
| most cases you will need to specify the root device here. | |
| endmenu | |
| source "drivers/Kconfig" | |
| source "fs/Kconfig" | |
| menu "iSeries device drivers" | |
| depends on PPC_ISERIES | |
| config VIOCONS | |
| tristate "iSeries Virtual Console Support" | |
| config VIODASD | |
| tristate "iSeries Virtual I/O disk support" | |
| help | |
| If you are running on an iSeries system and you want to use | |
| virtual disks created and managed by OS/400, say Y. | |
| config VIOCD | |
| tristate "iSeries Virtual I/O CD support" | |
| help | |
| If you are running Linux on an IBM iSeries system and you want to | |
| read a CD drive owned by OS/400, say Y here. | |
| config VIOTAPE | |
| tristate "iSeries Virtual Tape Support" | |
| help | |
| If you are running Linux on an iSeries system and you want Linux | |
| to read and/or write a tape drive owned by OS/400, say Y here. | |
| endmenu | |
| config VIOPATH | |
| bool | |
| depends on VIOCONS || VIODASD || VIOCD || VIOTAPE || VETH | |
| default y | |
| source "arch/ppc64/oprofile/Kconfig" | |
| source "arch/ppc64/Kconfig.debug" | |
| source "security/Kconfig" | |
| config KEYS_COMPAT | |
| bool | |
| depends on COMPAT && KEYS | |
| default y | |
| source "crypto/Kconfig" | |
| source "lib/Kconfig" |