# # For a description of the syntax of this configuration file, # see Documentation/kbuild/kconfig-language.txt. # mainmenu "Linux/PA-RISC Kernel Configuration" config PARISC bool default y help The PA-RISC microprocessor is designed by Hewlett-Packard and used in many of their workstations & servers (HP9000 700 and 800 series, and later HP3000 series). The PA-RISC Linux project home page is at . config MMU bool default y config STACK_GROWSUP bool default y config UID16 bool config RWSEM_GENERIC_SPINLOCK bool default y config RWSEM_XCHGADD_ALGORITHM bool config GENERIC_ISA_DMA bool # unless you want to implement ACPI on PA-RISC ... ;-) config PM bool source "init/Kconfig" menu "Processor type and features" choice prompt "Processor type" default PA7000 config PA7000 bool "PA7000/PA7100" ---help--- This is the processor type of your CPU. This information is used for optimizing purposes. In order to compile a kernel that can run on all 32-bit PA CPUs (albeit not optimally fast), you can specify "PA7000" here. Specifying "PA8000" here will allow you to select a 64-bit kernel which is required on some machines. config PA7100LC bool "PA7100LC" help Select this option for the PCX-L processor, as used in the 712, 715/64, 715/80, 715/100, 715/100XC, 725/100, 743, 748, D200, D210, D300, D310 and E-class config PA7200 bool "PA7200" help Select this option for the PCX-T' processor, as used in the C100, C110, J100, J110, J210XC, D250, D260, D350, D360, K100, K200, K210, K220, K400, K410 and K420 config PA7300LC bool "PA7300LC" help Select this option for the PCX-L2 processor, as used in the 744, A180, B132L, B160L, B180L, C132L, C160L, C180L, D220, D230, D320 and D330. config PA8X00 bool "PA8000 and up" help Select this option for PCX-U to PCX-W2 processors. endchoice # Define implied options from the CPU selection here config PA20 def_bool y depends on PA8X00 config PA11 def_bool y depends on PA7000 || PA7100LC || PA7200 || PA7300LC config PREFETCH def_bool y depends on PA8X00 config PARISC64 bool "64-bit kernel" depends on PA8X00 help Enable this if you want to support 64bit kernel on PA-RISC platform. At the moment, only people willing to use more than 2GB of RAM, or having a 64bit-only capable PA-RISC machine should say Y here. Since there is no 64bit userland on PA-RISC, there is no point to enable this option otherwise. The 64bit kernel is significantly bigger and slower than the 32bit one. config 64BIT def_bool PARISC64 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, like most personal computers, 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 many, but not all, singleprocessor machines. On a singleprocessor machine, the kernel will run faster if you say N here. See also the , and the SMP-HOWTO available at . If you don't know what to do here, say N. config HOTPLUG_CPU bool default y if SMP select HOTPLUG config DISCONTIGMEM bool "Discontiguous memory support (EXPERIMENTAL)" depends on EXPERIMENTAL 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 for more. config PREEMPT bool # bool "Preemptible Kernel" default n config COMPAT bool depends on PARISC64 default y config HPUX bool "Support for HP-UX binaries" depends on !PARISC64 config NR_CPUS int "Maximum number of CPUs (2-32)" range 2 32 depends on SMP default "32" endmenu source "drivers/parisc/Kconfig" menu "Executable file formats" source "fs/Kconfig.binfmt" endmenu source "drivers/Kconfig" source "fs/Kconfig" source "arch/parisc/oprofile/Kconfig" menu "Kernel hacking" config DEBUG_KERNEL bool "Kernel debugging" help Say Y here if you are developing drivers or trying to debug and identify kernel problems. config DEBUG_SLAB bool "Debug memory allocations" depends on DEBUG_KERNEL help Say Y here to have the kernel do limited verification on memory allocation as well as poisoning memory on free to catch use of freed memory. config MAGIC_SYSRQ bool "Magic SysRq key" depends on DEBUG_KERNEL help If you say Y here, you will have some control over the system even if the system crashes for example during kernel debugging (e.g., you will be able to flush the buffer cache to disk, reboot the system immediately or dump some status information). This is accomplished by pressing various keys while holding SysRq (Alt+PrintScreen). It also works on a serial console (on PC hardware at least), if you send a BREAK and then within 5 seconds a command keypress. The keys are documented in . Don't say Y unless you really know what this hack does. config DEBUG_SPINLOCK bool "Spinlock debugging" depends on DEBUG_KERNEL help Say Y here and build SMP to catch missing spinlock initialization and certain other kinds of spinlock errors commonly made. This is best used in conjunction with the NMI watchdog so that spinlock deadlocks are also debuggable. config DEBUG_RWLOCK bool "Read-write spinlock debugging" depends on DEBUG_KERNEL && SMP help If you say Y here then read-write lock processing will count how many times it has tried to get the lock and issue an error message after too many attempts. If you suspect a rwlock problem or a kernel hacker asks for this option then say Y. Otherwise say N. config FRAME_POINTER bool "Compile the kernel with frame pointers" help If you say Y here the resulting kernel image will be slightly larger and slower, but it will give very useful debugging information. If you don't debug the kernel, you can say N, but we may not be able to solve problems without frame pointers. config DEBUG_INFO bool "Compile the kernel with debug info" depends on DEBUG_KERNEL help If you say Y here the resulting kernel image will include debugging info resulting in a larger kernel image. Say Y here only if you plan to use gdb to debug the kernel. If you don't debug the kernel, you can say N. endmenu source "security/Kconfig" source "crypto/Kconfig" source "lib/Kconfig"