X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fsparc64%2FKconfig;h=4f41048c40e4da1b95250a7e04c3749de0247f93;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=5b0c737d41bd9a937d973b3ee39d8d6587fe2127;hpb=6a77f38946aaee1cd85eeec6cf4229b204c15071;p=linux-2.6.git diff --git a/arch/sparc64/Kconfig b/arch/sparc64/Kconfig index 5b0c737d4..4f41048c4 100644 --- a/arch/sparc64/Kconfig +++ b/arch/sparc64/Kconfig @@ -5,6 +5,20 @@ mainmenu "Linux/UltraSPARC Kernel Configuration" +config SPARC + bool + default y + +config SPARC64 + bool + default y + help + SPARC is a family of RISC microprocessors designed and marketed by + Sun Microsystems, incorporated. This port covers the newer 64-bit + UltraSPARC. The UltraLinux project maintains both the SPARC32 and + SPARC64 ports; its web page is available at + . + config 64BIT def_bool y @@ -12,87 +26,93 @@ config MMU bool default y +config STACKTRACE_SUPPORT + bool + default y + +config LOCKDEP_SUPPORT + bool + default y + config TIME_INTERPOLATION bool default y -source "init/Kconfig" +config ARCH_MAY_HAVE_PC_FDC + bool + default y -config SYSVIPC_COMPAT +config ARCH_HAS_ILOG2_U32 + bool + default n + +config ARCH_HAS_ILOG2_U64 + bool + default n + +config AUDIT_ARCH bool - depends on COMPAT && SYSVIPC default y -menu "General machine setup" +choice + prompt "Kernel page size" + default SPARC64_PAGE_SIZE_8KB -config BBC_I2C - tristate "UltraSPARC-III bootbus i2c controller driver" - depends on PCI +config SPARC64_PAGE_SIZE_8KB + bool "8KB" help - The BBC devices on the UltraSPARC III have two I2C controllers. The - first I2C controller connects mainly to configuration PROMs (NVRAM, - CPU configuration, DIMM types, etc.). The second I2C controller - connects to environmental control devices such as fans and - temperature sensors. The second controller also connects to the - smartcard reader, if present. Say Y to enable support for these. - -config VT - bool "Virtual terminal" if EMBEDDED - select INPUT - default y - ---help--- - If you say Y here, you will get support for terminal devices with - display and keyboard devices. These are called "virtual" because you - can run several virtual terminals (also called virtual consoles) on - one physical terminal. This is rather useful, for example one - virtual terminal can collect system messages and warnings, another - one can be used for a text-mode user session, and a third could run - an X session, all in parallel. Switching between virtual terminals - is done with certain key combinations, usually Alt-. - - The setterm command ("man setterm") can be used to change the - properties (such as colors or beeping) of a virtual terminal. The - man page console_codes(4) ("man console_codes") contains the special - character sequences that can be used to change those properties - directly. The fonts used on virtual terminals can be changed with - the setfont ("man setfont") command and the key bindings are defined - with the loadkeys ("man loadkeys") command. - - You need at least one virtual terminal device in order to make use - of your keyboard and monitor. Therefore, only people configuring an - embedded system would want to say N here in order to save some - memory; the only way to log into such a system is then via a serial - or network connection. - - If unsure, say Y, or else you won't be able to do much with your new - shiny Linux system :-) - -config VT_CONSOLE - bool "Support for console on virtual terminal" if EMBEDDED - depends on VT + This lets you select the page size of the kernel. + + 8KB and 64KB work quite well, since Sparc ELF sections + provide for up to 64KB alignment. + + Therefore, 512KB and 4MB are for expert hackers only. + + If you don't know what to do, choose 8KB. + +config SPARC64_PAGE_SIZE_64KB + bool "64KB" + +config SPARC64_PAGE_SIZE_512KB + bool "512KB" + +config SPARC64_PAGE_SIZE_4MB + bool "4MB" + +endchoice + +config SECCOMP + bool "Enable seccomp to safely compute untrusted bytecode" + depends on PROC_FS default y - ---help--- - The system console is the device which receives all kernel messages - and warnings and which allows logins in single user mode. If you - answer Y here, a virtual terminal (the device used to interact with - a physical terminal) can be used as system console. This is the most - common mode of operations, so you should say Y here unless you want - the kernel messages be output only to a serial port (in which case - you should say Y to "Console on serial port", below). - - If you do say Y here, by default the currently visible virtual - terminal (/dev/tty0) will be used as system console. You can change - that with a kernel command line option such as "console=tty3" which - would use the third virtual terminal as system console. (Try "man - bootparam" or see the documentation of your boot loader (lilo or - loadlin) about how to pass options to the kernel at boot time.) + help + This kernel feature is useful for number crunching applications + that may need to compute untrusted bytecode during their + execution. By using pipes or other transports made available to + the process as file descriptors supporting the read/write + syscalls, it's possible to isolate those applications in + their own address space using seccomp. Once seccomp is + enabled via /proc//seccomp, it cannot be disabled + and the task is only allowed to execute a few safe syscalls + defined by each seccomp mode. - If unsure, say Y. + If unsure, say Y. Only embedded should say N here. + +source kernel/Kconfig.hz -config HW_CONSOLE +source "init/Kconfig" + +config SYSVIPC_COMPAT bool + depends on COMPAT && SYSVIPC default y +config GENERIC_HARDIRQS + bool + default y + +menu "General machine setup" + config SMP bool "Symmetric multi-processing support" ---help--- @@ -136,19 +156,10 @@ config NR_CPUS source "drivers/cpufreq/Kconfig" -config CPU_FREQ_TABLE - tristate "CPU frequency table helpers" - depends on CPU_FREQ - default y - help - Many CPUFreq drivers use these helpers, so only say N here if - the CPUFreq driver of your choice doesn't need these helpers. - - If in doubt, say Y. - config US3_FREQ tristate "UltraSPARC-III CPU Frequency driver" - depends on CPU_FREQ_TABLE + depends on CPU_FREQ + select CPU_FREQ_TABLE help This adds the CPUFreq driver for UltraSPARC-III processors. @@ -158,7 +169,8 @@ config US3_FREQ config US2E_FREQ tristate "UltraSPARC-IIe CPU Frequency driver" - depends on CPU_FREQ_TABLE + depends on CPU_FREQ + select CPU_FREQ_TABLE help This adds the CPUFreq driver for UltraSPARC-IIe processors. @@ -166,17 +178,6 @@ config US2E_FREQ If in doubt, say N. -# Identify this as a Sparc64 build -config SPARC64 - bool - default y - help - SPARC is a family of RISC microprocessors designed and marketed by - Sun Microsystems, incorporated. This port covers the newer 64-bit - UltraSPARC. The UltraLinux project maintains both the SPARC32 and - SPARC64 ports; its web page is available at - . - # Global things across all Sun machines. config RWSEM_GENERIC_SPINLOCK bool @@ -185,6 +186,14 @@ config RWSEM_XCHGADD_ALGORITHM bool default y +config GENERIC_FIND_NEXT_BIT + bool + default y + +config GENERIC_HWEIGHT + bool + default y if !ULTRA_HAS_POPULATION_COUNT + config GENERIC_CALIBRATE_DELAY bool default y @@ -198,13 +207,31 @@ config HUGETLB_PAGE_SIZE_4MB bool "4MB" config HUGETLB_PAGE_SIZE_512K + depends on !SPARC64_PAGE_SIZE_4MB && !SPARC64_PAGE_SIZE_512KB bool "512K" config HUGETLB_PAGE_SIZE_64K + depends on !SPARC64_PAGE_SIZE_4MB && !SPARC64_PAGE_SIZE_512KB && !SPARC64_PAGE_SIZE_64KB bool "64K" endchoice +endmenu + +config ARCH_SELECT_MEMORY_MODEL + def_bool y + +config ARCH_SPARSEMEM_ENABLE + def_bool y + +config ARCH_SPARSEMEM_DEFAULT + def_bool y + +config LARGE_ALLOCS + def_bool y + +source "mm/Kconfig" + config GENERIC_ISA_DMA bool default y @@ -303,33 +330,6 @@ config PCI_DOMAINS bool default PCI -config RTC - tristate - depends on PCI - default y - ---help--- - If you say Y here and create a character special file /dev/rtc with - major number 10 and minor number 135 using mknod ("man mknod"), you - will get access to the real time clock (or hardware clock) built - into your computer. - - Every PC has such a clock built in. It can be used to generate - signals from as low as 1Hz up to 8192Hz, and can also be used - as a 24 hour alarm. It reports status information via the file - /proc/driver/rtc and its behaviour is set by various ioctls on - /dev/rtc. - - If you run Linux on a multiprocessor machine and said Y to - "Symmetric Multi Processing" above, you should say Y here to read - and set the RTC in an SMP compatible fashion. - - If you think you have a use for such a device (such as periodic data - sampling), then say Y here, and read - for details. - - To compile this driver as a module, choose M here: the - module will be called rtc. - source "drivers/pci/Kconfig" config SUN_OPENPROMFS @@ -353,13 +353,8 @@ config COMPAT depends on SPARC32_COMPAT default y -config UID16 - bool - depends on SPARC32_COMPAT - default y - config BINFMT_ELF32 - tristate "Kernel support for 32-bit ELF binaries" + bool "Kernel support for 32-bit ELF binaries" depends on SPARC32_COMPAT help This allows you to run 32-bit Linux/ELF binaries on your Ultra. @@ -373,6 +368,8 @@ config BINFMT_AOUT32 If you want to run SunOS binaries (see SunOS binary emulation below) or other a.out binaries, say Y. If unsure, say N. +menu "Executable file formats" + source "fs/Kconfig.binfmt" config SUNOS_EMUL @@ -395,56 +392,16 @@ config SOLARIS_EMUL To compile this code as a module, choose M here: the module will be called solaris. -source "drivers/parport/Kconfig" - -config PRINTER - tristate "Parallel printer support" - depends on PARPORT - ---help--- - If you intend to attach a printer to the parallel port of your Linux - box (as opposed to using a serial printer; if the connector at the - printer has 9 or 25 holes ["female"], then it's serial), say Y. - Also read the Printing-HOWTO, available from - . - - It is possible to share one parallel port among several devices - (e.g. printer and ZIP drive) and it is safe to compile the - corresponding drivers into the kernel. - To compile this driver as a module, choose M here and read - . The module will be called lp. - - If you have several parallel ports, you can specify which ports to - use with the "lp" kernel command line option. (Try "man bootparam" - or see the documentation of your boot loader (lilo or loadlin) about - how to pass options to the kernel at boot time.) The syntax of the - "lp" command line option can be found in . - - If you have more than 8 printers, you need to increase the LP_NO - macro in lp.c and the PARPORT_MAX macro in parport.h. +endmenu -config ENVCTRL - tristate "SUNW, envctrl support" - depends on PCI +config SCHED_SMT + bool "SMT (Hyperthreading) scheduler support" + depends on SMP + default y help - Kernel support for temperature and fan monitoring on Sun SME - machines. - - To compile this driver as a module, choose M here: the - module will be called envctrl. - -config DISPLAY7SEG - tristate "7-Segment Display support" - depends on PCI - ---help--- - This is the driver for the 7-segment display and LED present on - Sun Microsystems CompactPCI models CP1400 and CP1500. - - To compile this driver as a module, choose M here: the - module will be called display7seg. - - If you do not have a CompactPCI model CP1400 or CP1500, or - another UltraSPARC-IIi-cEngine boardset with a 7-segment display, - you should say N to this option. + SMT scheduler support improves the CPU scheduler's decision making + when dealing with UltraSPARC cpus at a cost of slightly increased + overhead in some places. If unsure say N here. config CMDLINE_BOOL bool "Default bootloader kernel arguments" @@ -462,144 +419,32 @@ config CMDLINE NOTE: This option WILL override the PROM bootargs setting! -endmenu - -source "drivers/base/Kconfig" - -source "drivers/video/Kconfig" +source "net/Kconfig" -source "drivers/serial/Kconfig" +source "drivers/Kconfig" source "drivers/sbus/char/Kconfig" -source "drivers/mtd/Kconfig" - -source "drivers/block/Kconfig" - -source "drivers/ide/Kconfig" - -source "drivers/scsi/Kconfig" - source "drivers/fc4/Kconfig" -source "drivers/md/Kconfig" - -if PCI -source "drivers/message/fusion/Kconfig" -endif - -source "drivers/ieee1394/Kconfig" - -source "net/Kconfig" - -source "drivers/isdn/Kconfig" - -source "drivers/telephony/Kconfig" - -# This one must be before the filesystem configs. -DaveM - -menu "Unix98 PTY support" - -config UNIX98_PTYS - bool "Unix98 PTY support" - ---help--- - A pseudo terminal (PTY) is a software device consisting of two - halves: a master and a slave. The slave device behaves identical to - a physical terminal; the master device is used by a process to - read data from and write data to the slave, thereby emulating a - terminal. Typical programs for the master side are telnet servers - and xterms. - - Linux has traditionally used the BSD-like names /dev/ptyxx for - masters and /dev/ttyxx for slaves of pseudo terminals. This scheme - has a number of problems. The GNU C library glibc 2.1 and later, - however, supports the Unix98 naming standard: in order to acquire a - pseudo terminal, a process opens /dev/ptmx; the number of the pseudo - terminal is then made available to the process and the pseudo - terminal slave can be accessed as /dev/pts/. What was - traditionally /dev/ttyp2 will then be /dev/pts/2, for example. - - The entries in /dev/pts/ are created on the fly by a virtual - file system; therefore, if you say Y here you should say Y to - "/dev/pts file system for Unix98 PTYs" as well. - - If you want to say Y here, you need to have the C library glibc 2.1 - or later (equal to libc-6.1, check with "ls -l /lib/libc.so.*"). - Read the instructions in pertaining to - pseudo terminals. It's safe to say N. - -config UNIX98_PTY_COUNT - int "Maximum number of Unix98 PTYs in use (0-2048)" - depends on UNIX98_PTYS - default "256" - help - The maximum number of Unix98 PTYs that can be used at any one time. - The default is 256, and should be enough for desktop systems. Server - machines which support incoming telnet/rlogin/ssh connections and/or - serve several X terminals may want to increase this: every incoming - connection and every xterm uses up one PTY. - - When not in use, each additional set of 256 PTYs occupy - approximately 8 KB of kernel memory on 32-bit architectures. - -endmenu - -menu "XFree86 DRI support" +source "fs/Kconfig" -config DRM - bool "Direct Rendering Manager (XFree86 DRI support)" - help - Kernel-level support for the Direct Rendering Infrastructure (DRI) - introduced in XFree86 4.0. If you say Y here, you need to select - the module that's right for your graphics card from the list below. - These modules provide support for synchronization, security, and - DMA transfers. Please see for more - details. You should also select and configure AGP - (/dev/agpgart) support. - -config DRM_FFB - tristate "Creator/Creator3D" - depends on DRM && BROKEN - help - Choose this option if you have one of Sun's Creator3D-based graphics - and frame buffer cards. Product page at - . +menu "Instrumentation Support" + depends on EXPERIMENTAL -config DRM_TDFX - tristate "3dfx Banshee/Voodoo3+" - depends on DRM - help - Choose this option if you have a 3dfx Banshee or Voodoo3 (or later), - graphics card. If M is selected, the module will be called tdfx. +source "arch/sparc64/oprofile/Kconfig" -config DRM_R128 - tristate "ATI Rage 128" - depends on DRM +config KPROBES + bool "Kprobes (EXPERIMENTAL)" + depends on KALLSYMS && EXPERIMENTAL && MODULES help - Choose this option if you have an ATI Rage 128 graphics card. If M - is selected, the module will be called r128. AGP support for - this card is strongly suggested (unless you have a PCI version). - + 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 -source "drivers/input/Kconfig" - -source "drivers/i2c/Kconfig" - -source "fs/Kconfig" - -source "drivers/media/Kconfig" - -source "sound/Kconfig" - -source "drivers/usb/Kconfig" - -source "drivers/infiniband/Kconfig" - -source "drivers/char/watchdog/Kconfig" - -source "arch/sparc64/oprofile/Kconfig" - source "arch/sparc64/Kconfig.debug" source "kernel/vserver/Kconfig"