ia64/linux-2.6.18-xen.hg

view arch/sparc64/Kconfig @ 854:950b9eb27661

usbback: fix urb interval value for interrupt urbs.

Signed-off-by: Noboru Iwamatsu <n_iwamatsu@jp.fujitsu.com>
author Keir Fraser <keir.fraser@citrix.com>
date Mon Apr 06 13:51:20 2009 +0100 (2009-04-06)
parents 831230e53067
children
line source
1 # $Id: config.in,v 1.158 2002/01/24 22:14:44 davem Exp $
2 # For a description of the syntax of this configuration file,
3 # see the Configure script.
4 #
6 mainmenu "Linux/UltraSPARC Kernel Configuration"
8 config SPARC
9 bool
10 default y
12 config SPARC64
13 bool
14 default y
15 help
16 SPARC is a family of RISC microprocessors designed and marketed by
17 Sun Microsystems, incorporated. This port covers the newer 64-bit
18 UltraSPARC. The UltraLinux project maintains both the SPARC32 and
19 SPARC64 ports; its web page is available at
20 <http://www.ultralinux.org/>.
22 config 64BIT
23 def_bool y
25 config MMU
26 bool
27 default y
29 config TIME_INTERPOLATION
30 bool
31 default y
33 config ARCH_MAY_HAVE_PC_FDC
34 bool
35 default y
37 config AUDIT_ARCH
38 bool
39 default y
41 choice
42 prompt "Kernel page size"
43 default SPARC64_PAGE_SIZE_8KB
45 config SPARC64_PAGE_SIZE_8KB
46 bool "8KB"
47 help
48 This lets you select the page size of the kernel.
50 8KB and 64KB work quite well, since Sparc ELF sections
51 provide for up to 64KB alignment.
53 Therefore, 512KB and 4MB are for expert hackers only.
55 If you don't know what to do, choose 8KB.
57 config SPARC64_PAGE_SIZE_64KB
58 bool "64KB"
60 config SPARC64_PAGE_SIZE_512KB
61 bool "512KB"
63 config SPARC64_PAGE_SIZE_4MB
64 bool "4MB"
66 endchoice
68 config SECCOMP
69 bool "Enable seccomp to safely compute untrusted bytecode"
70 depends on PROC_FS
71 default y
72 help
73 This kernel feature is useful for number crunching applications
74 that may need to compute untrusted bytecode during their
75 execution. By using pipes or other transports made available to
76 the process as file descriptors supporting the read/write
77 syscalls, it's possible to isolate those applications in
78 their own address space using seccomp. Once seccomp is
79 enabled via /proc/<pid>/seccomp, it cannot be disabled
80 and the task is only allowed to execute a few safe syscalls
81 defined by each seccomp mode.
83 If unsure, say Y. Only embedded should say N here.
85 source kernel/Kconfig.hz
87 source "init/Kconfig"
89 config SYSVIPC_COMPAT
90 bool
91 depends on COMPAT && SYSVIPC
92 default y
94 config GENERIC_HARDIRQS
95 bool
96 default y
98 menu "General machine setup"
100 config SMP
101 bool "Symmetric multi-processing support"
102 ---help---
103 This enables support for systems with more than one CPU. If you have
104 a system with only one CPU, say N. If you have a system with more than
105 one CPU, say Y.
107 If you say N here, the kernel will run on single and multiprocessor
108 machines, but will use only one CPU of a multiprocessor machine. If
109 you say Y here, the kernel will run on many, but not all,
110 singleprocessor machines. On a singleprocessor machine, the kernel
111 will run faster if you say N here.
113 People using multiprocessor machines who say Y here should also say
114 Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
115 Management" code will be disabled if you say Y here.
117 See also the <file:Documentation/smp.txt>,
118 <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at
119 <http://www.tldp.org/docs.html#howto>.
121 If you don't know what to do here, say N.
123 config PREEMPT
124 bool "Preemptible Kernel"
125 help
126 This option reduces the latency of the kernel when reacting to
127 real-time or interactive events by allowing a low priority process to
128 be preempted even if it is in kernel mode executing a system call.
129 This allows applications to run more reliably even when the system is
130 under load.
132 Say Y here if you are building a kernel for a desktop, embedded
133 or real-time system. Say N if you are unsure.
135 config NR_CPUS
136 int "Maximum number of CPUs (2-64)"
137 range 2 64
138 depends on SMP
139 default "32"
141 source "drivers/cpufreq/Kconfig"
143 config US3_FREQ
144 tristate "UltraSPARC-III CPU Frequency driver"
145 depends on CPU_FREQ
146 select CPU_FREQ_TABLE
147 help
148 This adds the CPUFreq driver for UltraSPARC-III processors.
150 For details, take a look at <file:Documentation/cpu-freq>.
152 If in doubt, say N.
154 config US2E_FREQ
155 tristate "UltraSPARC-IIe CPU Frequency driver"
156 depends on CPU_FREQ
157 select CPU_FREQ_TABLE
158 help
159 This adds the CPUFreq driver for UltraSPARC-IIe processors.
161 For details, take a look at <file:Documentation/cpu-freq>.
163 If in doubt, say N.
165 # Global things across all Sun machines.
166 config RWSEM_GENERIC_SPINLOCK
167 bool
169 config RWSEM_XCHGADD_ALGORITHM
170 bool
171 default y
173 config GENERIC_FIND_NEXT_BIT
174 bool
175 default y
177 config GENERIC_HWEIGHT
178 bool
179 default y if !ULTRA_HAS_POPULATION_COUNT
181 config GENERIC_CALIBRATE_DELAY
182 bool
183 default y
185 choice
186 prompt "SPARC64 Huge TLB Page Size"
187 depends on HUGETLB_PAGE
188 default HUGETLB_PAGE_SIZE_4MB
190 config HUGETLB_PAGE_SIZE_4MB
191 bool "4MB"
193 config HUGETLB_PAGE_SIZE_512K
194 depends on !SPARC64_PAGE_SIZE_4MB && !SPARC64_PAGE_SIZE_512KB
195 bool "512K"
197 config HUGETLB_PAGE_SIZE_64K
198 depends on !SPARC64_PAGE_SIZE_4MB && !SPARC64_PAGE_SIZE_512KB && !SPARC64_PAGE_SIZE_64KB
199 bool "64K"
201 endchoice
203 endmenu
205 config ARCH_SELECT_MEMORY_MODEL
206 def_bool y
208 config ARCH_SPARSEMEM_ENABLE
209 def_bool y
211 config ARCH_SPARSEMEM_DEFAULT
212 def_bool y
214 config LARGE_ALLOCS
215 def_bool y
217 source "mm/Kconfig"
219 config GENERIC_ISA_DMA
220 bool
221 default y
223 config ISA
224 bool
225 help
226 Find out whether you have ISA slots on your motherboard. ISA is the
227 name of a bus system, i.e. the way the CPU talks to the other stuff
228 inside your box. Other bus systems are PCI, EISA, MicroChannel
229 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
230 newer boards don't support it. If you have ISA, say Y, otherwise N.
232 config ISAPNP
233 bool
234 help
235 Say Y here if you would like support for ISA Plug and Play devices.
236 Some information is in <file:Documentation/isapnp.txt>.
238 To compile this driver as a module, choose M here: the
239 module will be called isapnp.
241 If unsure, say Y.
243 config EISA
244 bool
245 ---help---
246 The Extended Industry Standard Architecture (EISA) bus was
247 developed as an open alternative to the IBM MicroChannel bus.
249 The EISA bus provided some of the features of the IBM MicroChannel
250 bus while maintaining backward compatibility with cards made for
251 the older ISA bus. The EISA bus saw limited use between 1988 and
252 1995 when it was made obsolete by the PCI bus.
254 Say Y here if you are building a kernel for an EISA-based machine.
256 Otherwise, say N.
258 config MCA
259 bool
260 help
261 MicroChannel Architecture is found in some IBM PS/2 machines and
262 laptops. It is a bus system similar to PCI or ISA. See
263 <file:Documentation/mca.txt> (and especially the web page given
264 there) before attempting to build an MCA bus kernel.
266 config PCMCIA
267 tristate
268 ---help---
269 Say Y here if you want to attach PCMCIA- or PC-cards to your Linux
270 computer. These are credit-card size devices such as network cards,
271 modems or hard drives often used with laptops computers. There are
272 actually two varieties of these cards: the older 16 bit PCMCIA cards
273 and the newer 32 bit CardBus cards. If you want to use CardBus
274 cards, you need to say Y here and also to "CardBus support" below.
276 To use your PC-cards, you will need supporting software from David
277 Hinds' pcmcia-cs package (see the file <file:Documentation/Changes>
278 for location). Please also read the PCMCIA-HOWTO, available from
279 <http://www.tldp.org/docs.html#howto>.
281 To compile this driver as modules, choose M here: the
282 modules will be called pcmcia_core and ds.
284 config SBUS
285 bool
286 default y
288 config SBUSCHAR
289 bool
290 default y
292 config SUN_AUXIO
293 bool
294 default y
296 config SUN_IO
297 bool
298 default y
300 config PCI
301 bool "PCI support"
302 help
303 Find out whether you have a PCI motherboard. PCI is the name of a
304 bus system, i.e. the way the CPU talks to the other stuff inside
305 your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
306 VESA. If you have PCI, say Y, otherwise N.
308 The PCI-HOWTO, available from
309 <http://www.tldp.org/docs.html#howto>, contains valuable
310 information about which PCI hardware does work under Linux and which
311 doesn't.
313 config PCI_DOMAINS
314 bool
315 default PCI
317 source "drivers/pci/Kconfig"
319 config SUN_OPENPROMFS
320 tristate "Openprom tree appears in /proc/openprom"
321 help
322 If you say Y, the OpenPROM device tree will be available as a
323 virtual file system, which you can mount to /proc/openprom by "mount
324 -t openpromfs none /proc/openprom".
326 To compile the /proc/openprom support as a module, choose M here: the
327 module will be called openpromfs. If unsure, choose M.
329 config SPARC32_COMPAT
330 bool "Kernel support for Linux/Sparc 32bit binary compatibility"
331 help
332 This allows you to run 32-bit binaries on your Ultra.
333 Everybody wants this; say Y.
335 config COMPAT
336 bool
337 depends on SPARC32_COMPAT
338 default y
340 config BINFMT_ELF32
341 bool "Kernel support for 32-bit ELF binaries"
342 depends on SPARC32_COMPAT
343 help
344 This allows you to run 32-bit Linux/ELF binaries on your Ultra.
345 Everybody wants this; say Y.
347 config BINFMT_AOUT32
348 bool "Kernel support for 32-bit (ie. SunOS) a.out binaries"
349 depends on SPARC32_COMPAT
350 help
351 This allows you to run 32-bit a.out format binaries on your Ultra.
352 If you want to run SunOS binaries (see SunOS binary emulation below)
353 or other a.out binaries, say Y. If unsure, say N.
355 menu "Executable file formats"
357 source "fs/Kconfig.binfmt"
359 config SUNOS_EMUL
360 bool "SunOS binary emulation"
361 depends on BINFMT_AOUT32
362 help
363 This allows you to run most SunOS binaries. If you want to do this,
364 say Y here and place appropriate files in /usr/gnemul/sunos. See
365 <http://www.ultralinux.org/faq.html> for more information. If you
366 want to run SunOS binaries on an Ultra you must also say Y to
367 "Kernel support for 32-bit a.out binaries" above.
369 config SOLARIS_EMUL
370 tristate "Solaris binary emulation (EXPERIMENTAL)"
371 depends on SPARC32_COMPAT && EXPERIMENTAL
372 help
373 This is experimental code which will enable you to run (many)
374 Solaris binaries on your SPARC Linux machine.
376 To compile this code as a module, choose M here: the
377 module will be called solaris.
379 endmenu
381 config SCHED_SMT
382 bool "SMT (Hyperthreading) scheduler support"
383 depends on SMP
384 default y
385 help
386 SMT scheduler support improves the CPU scheduler's decision making
387 when dealing with UltraSPARC cpus at a cost of slightly increased
388 overhead in some places. If unsure say N here.
390 config CMDLINE_BOOL
391 bool "Default bootloader kernel arguments"
393 config CMDLINE
394 string "Initial kernel command string"
395 depends on CMDLINE_BOOL
396 default "console=ttyS0,9600 root=/dev/sda1"
397 help
398 Say Y here if you want to be able to pass default arguments to
399 the kernel. This will be overridden by the bootloader, if you
400 use one (such as SILO). This is most useful if you want to boot
401 a kernel from TFTP, and want default options to be available
402 with having them passed on the command line.
404 NOTE: This option WILL override the PROM bootargs setting!
406 source "net/Kconfig"
408 source "drivers/Kconfig"
410 source "drivers/sbus/char/Kconfig"
412 source "drivers/fc4/Kconfig"
414 source "fs/Kconfig"
416 menu "Instrumentation Support"
417 depends on EXPERIMENTAL
419 source "arch/sparc64/oprofile/Kconfig"
421 config KPROBES
422 bool "Kprobes (EXPERIMENTAL)"
423 depends on EXPERIMENTAL && MODULES
424 help
425 Kprobes allows you to trap at almost any kernel address and
426 execute a callback function. register_kprobe() establishes
427 a probepoint and specifies the callback. Kprobes is useful
428 for kernel debugging, non-intrusive instrumentation and testing.
429 If in doubt, say "N".
430 endmenu
432 source "arch/sparc64/Kconfig.debug"
434 source "security/Kconfig"
436 source "crypto/Kconfig"
438 source "lib/Kconfig"