sparc64: Add missing HAVE_ARCH_TRANSPARENT_HUGEPAGE.
[deliverable/linux.git] / arch / sparc / Kconfig
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1config 64BIT
2 bool "64-bit kernel" if ARCH = "sparc"
3 default ARCH = "sparc64"
4 help
5 SPARC is a family of RISC microprocessors designed and marketed by
6 Sun Microsystems, incorporated. They are very widely found in Sun
7 workstations and clones.
8
9 Say yes to build a 64-bit kernel - formerly known as sparc64
10 Say no to build a 32-bit kernel - formerly known as sparc
11
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12config SPARC
13 bool
14 default y
7b14c647 15 select OF
3cfc535c 16 select OF_PROMTREE
35da3e39
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17 select HAVE_IDE
18 select HAVE_OPROFILE
26b4c912 19 select HAVE_ARCH_KGDB if !SMP || SPARC64
35da3e39 20 select HAVE_ARCH_TRACEHOOK
7ac57a89 21 select SYSCTL_EXCEPTION_TRACE
35da3e39 22 select ARCH_WANT_OPTIONAL_GPIOLIB
193d2aad 23 select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
35da3e39
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24 select RTC_CLASS
25 select RTC_DRV_M48T59
e360adbe 26 select HAVE_IRQ_WORK
02f7a189 27 select HAVE_DMA_ATTRS
451d7400 28 select HAVE_DMA_API_DEBUG
46eb3b64 29 select HAVE_ARCH_JUMP_LABEL
6baa9b20 30 select HAVE_GENERIC_HARDIRQS
6baa9b20 31 select GENERIC_IRQ_SHOW
c1d7e01d 32 select ARCH_WANT_IPC_PARSE_VERSION
d6d04819 33 select USE_GENERIC_SMP_HELPERS if SMP
a21a2fd4 34 select GENERIC_PCI_IOMAP
d314d74c 35 select HAVE_NMI_WATCHDOG if SPARC64
e47b65b0 36 select HAVE_BPF_JIT
9b2a60c4 37 select HAVE_DEBUG_BUGVERBOSE
f0a2bc7e 38 select GENERIC_SMP_IDLE_THREAD
ded1cc5c 39 select GENERIC_CMOS_UPDATE
c7523a7c 40 select GENERIC_CLOCKEVENTS
2922585b 41 select GENERIC_STRNCPY_FROM_USER
2c66f623 42 select GENERIC_STRNLEN_USER
786d35d4 43 select MODULES_USE_ELF_RELA
35da3e39 44
35da3e39 45config SPARC32
761b6026 46 def_bool !64BIT
aea1181b 47 select GENERIC_ATOMIC64
c6df4b17 48 select CLZ_TAB
af1839eb 49 select HAVE_UID16
35da3e39 50
26b4c912 51config SPARC64
761b6026 52 def_bool 64BIT
5bc05308 53 select ARCH_SUPPORTS_MSI
26b4c912 54 select HAVE_FUNCTION_TRACER
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55 select HAVE_FUNCTION_GRAPH_TRACER
56 select HAVE_FUNCTION_GRAPH_FP_TEST
63b75495 57 select HAVE_FUNCTION_TRACE_MCOUNT_TEST
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58 select HAVE_KRETPROBES
59 select HAVE_KPROBES
4a0100f7 60 select HAVE_RCU_TABLE_FREE if SMP
95f72d1e 61 select HAVE_MEMBLOCK
2a4814df 62 select HAVE_MEMBLOCK_NODE_MAP
67605d68 63 select HAVE_SYSCALL_WRAPPERS
b9156ebb 64 select HAVE_ARCH_TRANSPARENT_HUGEPAGE
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65 select HAVE_DYNAMIC_FTRACE
66 select HAVE_FTRACE_MCOUNT_RECORD
c658ad1b 67 select HAVE_SYSCALL_TRACEPOINTS
b69ec42b 68 select HAVE_DEBUG_KMEMLEAK
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69 select RTC_DRV_CMOS
70 select RTC_DRV_BQ4802
71 select RTC_DRV_SUN4V
72 select RTC_DRV_STARFIRE
cdd6c482 73 select HAVE_PERF_EVENTS
906010b2 74 select PERF_USE_VMALLOC
fcd8d4f4 75 select IRQ_PREFLOW_FASTEOI
df013ffb 76 select ARCH_HAVE_NMI_SAFE_CMPXCHG
178a2960 77 select HAVE_C_RECORDMCOUNT
625d693e 78 select NO_BOOTMEM
26b4c912 79
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80config ARCH_DEFCONFIG
81 string
82 default "arch/sparc/configs/sparc32_defconfig" if SPARC32
83 default "arch/sparc/configs/sparc64_defconfig" if SPARC64
84
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85# CONFIG_BITS can be used at source level to get 32/64 bits
86config BITS
87 int
88 default 32 if SPARC32
89 default 64 if SPARC64
5e538790 90
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91config IOMMU_HELPER
92 bool
93 default y if SPARC64
94
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95config STACKTRACE_SUPPORT
96 bool
97 default y if SPARC64
98
99config LOCKDEP_SUPPORT
100 bool
101 default y if SPARC64
102
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103config HAVE_LATENCYTOP_SUPPORT
104 bool
105 default y if SPARC64
106
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107config AUDIT_ARCH
108 bool
7e7e93a2 109 default y
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110
111config HAVE_SETUP_PER_CPU_AREA
112 def_bool y if SPARC64
113
bcb2107f 114config NEED_PER_CPU_EMBED_FIRST_CHUNK
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115 def_bool y if SPARC64
116
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117config NEED_PER_CPU_PAGE_FIRST_CHUNK
118 def_bool y if SPARC64
119
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120config MMU
121 bool
122 default y
123
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124config HIGHMEM
125 bool
26b4c912 126 default y if SPARC32
1da177e4 127
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128config ZONE_DMA
129 bool
26b4c912 130 default y if SPARC32
5ac6da66 131
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132config NEED_DMA_MAP_STATE
133 def_bool y
134
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135config NEED_SG_DMA_LENGTH
136 def_bool y
137
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138config GENERIC_ISA_DMA
139 bool
26b4c912 140 default y if SPARC32
1da177e4 141
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142config GENERIC_GPIO
143 bool
144 help
145 Generic GPIO API support
146
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147config ARCH_NO_VIRT_TO_BUS
148 def_bool y
149
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150config ARCH_SUPPORTS_DEBUG_PAGEALLOC
151 def_bool y if SPARC64
152
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153source "init/Kconfig"
154
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155source "kernel/Kconfig.freezer"
156
26b4c912 157menu "Processor type and features"
1da177e4 158
1da177e4 159config SMP
6b7679dd 160 bool "Symmetric multi-processing support"
1da177e4
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161 ---help---
162 This enables support for systems with more than one CPU. If you have
163 a system with only one CPU, say N. If you have a system with more
164 than one CPU, say Y.
165
166 If you say N here, the kernel will run on single and multiprocessor
167 machines, but will use only one CPU of a multiprocessor machine. If
168 you say Y here, the kernel will run on many, but not all,
169 singleprocessor machines. On a singleprocessor machine, the kernel
170 will run faster if you say N here.
171
172 People using multiprocessor machines who say Y here should also say
173 Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
174 Management" code will be disabled if you say Y here.
175
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176 See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
177 available at <http://www.tldp.org/docs.html#howto>.
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178
179 If you don't know what to do here, say N.
180
181config NR_CPUS
26b4c912 182 int "Maximum number of CPUs"
1da177e4 183 depends on SMP
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184 range 2 32 if SPARC32
185 range 2 1024 if SPARC64
186 default 32 if SPARC32
187 default 64 if SPARC64
1da177e4 188
26b4c912 189source kernel/Kconfig.hz
1da177e4 190
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191config RWSEM_GENERIC_SPINLOCK
192 bool
26b4c912 193 default y if SPARC32
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194
195config RWSEM_XCHGADD_ALGORITHM
196 bool
26b4c912 197 default y if SPARC64
1da177e4 198
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199config GENERIC_HWEIGHT
200 bool
26b4c912 201 default y if !ULTRA_HAS_POPULATION_COUNT
d59288b7 202
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203config GENERIC_CALIBRATE_DELAY
204 bool
205 default y
206
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207config ARCH_MAY_HAVE_PC_FDC
208 bool
209 default y
210
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211config EMULATED_CMPXCHG
212 bool
26b4c912 213 default y if SPARC32
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214 help
215 Sparc32 does not have a CAS instruction like sparc64. cmpxchg()
216 is emulated, and therefore it is not completely atomic.
217
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218# Makefile helpers
219config SPARC32_SMP
220 bool
221 default y
222 depends on SPARC32 && SMP
223
224config SPARC64_SMP
225 bool
226 default y
227 depends on SPARC64 && SMP
228
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229config EARLYFB
230 bool "Support for early boot text console"
231 default y
232 depends on SPARC64
233 help
234 Say Y here to enable a faster early framebuffer boot console.
235
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236config SECCOMP
237 bool "Enable seccomp to safely compute untrusted bytecode"
238 depends on SPARC64 && PROC_FS
239 default y
240 help
241 This kernel feature is useful for number crunching applications
242 that may need to compute untrusted bytecode during their
243 execution. By using pipes or other transports made available to
244 the process as file descriptors supporting the read/write
245 syscalls, it's possible to isolate those applications in
246 their own address space using seccomp. Once seccomp is
247 enabled via /proc/<pid>/seccomp, it cannot be disabled
248 and the task is only allowed to execute a few safe syscalls
249 defined by each seccomp mode.
250
251 If unsure, say Y. Only embedded should say N here.
252
253config HOTPLUG_CPU
254 bool "Support for hot-pluggable CPUs"
255 depends on SPARC64 && SMP
256 select HOTPLUG
257 help
258 Say Y here to experiment with turning CPUs off and on. CPUs
259 can be controlled through /sys/devices/system/cpu/cpu#.
260 Say N if you want to disable CPU hotplug.
261
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262if SPARC64
263source "drivers/cpufreq/Kconfig"
264
265config US3_FREQ
266 tristate "UltraSPARC-III CPU Frequency driver"
267 depends on CPU_FREQ
268 select CPU_FREQ_TABLE
269 help
270 This adds the CPUFreq driver for UltraSPARC-III processors.
271
272 For details, take a look at <file:Documentation/cpu-freq>.
273
274 If in doubt, say N.
275
276config US2E_FREQ
277 tristate "UltraSPARC-IIe CPU Frequency driver"
278 depends on CPU_FREQ
279 select CPU_FREQ_TABLE
280 help
281 This adds the CPUFreq driver for UltraSPARC-IIe processors.
282
283 For details, take a look at <file:Documentation/cpu-freq>.
284
285 If in doubt, say N.
286
287endif
288
289config US3_MC
290 tristate "UltraSPARC-III Memory Controller driver"
291 depends on SPARC64
292 default y
293 help
294 This adds a driver for the UltraSPARC-III memory controller.
295 Loading this driver allows exact mnemonic strings to be
296 printed in the event of a memory error, so that the faulty DIMM
297 on the motherboard can be matched to the error.
298
299 If in doubt, say Y, as this information can be very useful.
300
301# Global things across all Sun machines.
302config GENERIC_LOCKBREAK
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303 bool
304 default y
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305 depends on SPARC64 && SMP && PREEMPT
306
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307config NUMA
308 bool "NUMA support"
309 depends on SPARC64 && SMP
310
311config NODES_SHIFT
312 int
313 default "4"
314 depends on NEED_MULTIPLE_NODES
315
316# Some NUMA nodes have memory ranges that span
317# other nodes. Even though a pfn is valid and
318# between a node's start and end pfns, it may not
319# reside on that node. See memmap_init_zone()
320# for details.
321config NODES_SPAN_OTHER_NODES
322 def_bool y
323 depends on NEED_MULTIPLE_NODES
324
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325config ARCH_SELECT_MEMORY_MODEL
326 def_bool y if SPARC64
327
328config ARCH_SPARSEMEM_ENABLE
329 def_bool y if SPARC64
330 select SPARSEMEM_VMEMMAP_ENABLE
331
332config ARCH_SPARSEMEM_DEFAULT
333 def_bool y if SPARC64
334
335source "mm/Kconfig"
336
337config SCHED_SMT
338 bool "SMT (Hyperthreading) scheduler support"
339 depends on SPARC64 && SMP
340 default y
341 help
342 SMT scheduler support improves the CPU scheduler's decision making
343 when dealing with SPARC cpus at a cost of slightly increased overhead
344 in some places. If unsure say N here.
345
346config SCHED_MC
347 bool "Multi-core scheduler support"
348 depends on SPARC64 && SMP
349 default y
350 help
351 Multi-core scheduler support improves the CPU scheduler's decision
352 making when dealing with multi-core CPU chips at a cost of slightly
353 increased overhead in some places. If unsure say N here.
354
26b4c912 355source "kernel/Kconfig.preempt"
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356
357config CMDLINE_BOOL
358 bool "Default bootloader kernel arguments"
359 depends on SPARC64
360
361config CMDLINE
362 string "Initial kernel command string"
363 depends on CMDLINE_BOOL
364 default "console=ttyS0,9600 root=/dev/sda1"
365 help
366 Say Y here if you want to be able to pass default arguments to
367 the kernel. This will be overridden by the bootloader, if you
368 use one (such as SILO). This is most useful if you want to boot
369 a kernel from TFTP, and want default options to be available
370 with having them passed on the command line.
371
372 NOTE: This option WILL override the PROM bootargs setting!
373
374config SUN_PM
375 bool
376 default y if SPARC32
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377 help
378 Enable power management and CPU standby features on supported
379 SPARC platforms.
380
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381config SPARC_LED
382 tristate "Sun4m LED driver"
26b4c912 383 depends on SPARC32
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384 help
385 This driver toggles the front-panel LED on sun4m systems
386 in a user-specifiable manner. Its state can be probed
387 by reading /proc/led and its blinking mode can be changed
388 via writes to /proc/led
389
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390config SERIAL_CONSOLE
391 bool
392 depends on SPARC32
393 default y
394 ---help---
395 If you say Y here, it will be possible to use a serial port as the
396 system console (the system console is the device which receives all
397 kernel messages and warnings and which allows logins in single user
398 mode). This could be useful if some terminal or printer is connected
399 to that serial port.
400
401 Even if you say Y here, the currently visible virtual console
402 (/dev/tty0) will still be used as the system console by default, but
403 you can alter that using a kernel command line option such as
404 "console=ttyS1". (Try "man bootparam" or see the documentation of
405 your boot loader (silo) about how to pass options to the kernel at
406 boot time.)
407
408 If you don't have a graphics card installed and you say Y here, the
409 kernel will automatically use the first serial line, /dev/ttyS0, as
410 system console.
411
412 If unsure, say N.
4b27e0e1 413
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414config SPARC_LEON
415 bool "Sparc Leon processor family"
416 depends on SPARC32
417 ---help---
418 If you say Y here if you are running on a SPARC-LEON processor.
419 The LEON processor is a synthesizable VHDL model of the
420 SPARC-v8 standard. LEON is part of the GRLIB collection of
421 IP cores that are distributed under GPL. GRLIB can be downloaded
422 from www.gaisler.com. You can download a sparc-linux cross-compilation
423 toolchain at www.gaisler.com.
424
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DH
425if SPARC_LEON
426menu "U-Boot options"
427
428config UBOOT_LOAD_ADDR
429 hex "uImage Load Address"
430 default 0x40004000
431 ---help---
432 U-Boot kernel load address, the address in physical address space
433 where u-boot will place the Linux kernel before booting it.
434 This address is normally the base address of main memory + 0x4000.
435
436config UBOOT_FLASH_ADDR
437 hex "uImage.o Load Address"
438 default 0x00080000
439 ---help---
440 Optional setting only affecting the uImage.o ELF-image used to
441 download the uImage file to the target using a ELF-loader other than
442 U-Boot. It may for example be used to download an uImage to FLASH with
443 the GRMON utility before even starting u-boot.
444
445config UBOOT_ENTRY_ADDR
446 hex "uImage Entry Address"
447 default 0xf0004000
448 ---help---
449 Do not change this unless you know what you're doing. This is
450 hardcoded by the SPARC32 and LEON port.
451
452 This is the virtual address u-boot jumps to when booting the Linux
453 Kernel.
454
455endmenu
456endif
457
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458endmenu
459
460menu "Bus options (PCI etc.)"
4b27e0e1
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461config SBUS
462 bool
463 default y
464
465config SBUSCHAR
466 bool
467 default y
468
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469config SUN_LDOMS
470 bool "Sun Logical Domains support"
471 depends on SPARC64
472 help
473 Say Y here is you want to support virtual devices via
474 Logical Domains.
475
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476config PCI
477 bool "Support for PCI and PS/2 keyboard/mouse"
478 help
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479 Find out whether your system includes a PCI bus. PCI is the name of
480 a bus system, i.e. the way the CPU talks to the other stuff inside
481 your box. If you say Y here, the kernel will include drivers and
482 infrastructure code to support PCI bus devices.
483
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484 CONFIG_PCI is needed for all JavaStation's (including MrCoffee),
485 CP-1200, JavaEngine-1, Corona, Red October, and Serengeti SGSC.
486 All of these platforms are extremely obscure, so say N if unsure.
487
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488config PCI_DOMAINS
489 def_bool PCI if SPARC64
490
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491config PCI_SYSCALL
492 def_bool PCI
493
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494config PCIC_PCI
495 bool
8c47f8d0 496 depends on PCI && SPARC32 && !SPARC_LEON
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497 default y
498
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499config LEON_PCI
500 bool
501 depends on PCI && SPARC_LEON
502 default y
503
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504config GRPCI2
505 bool "GRPCI2 Host Bridge Support"
506 depends on LEON_PCI
507 default y
508 help
509 Say Y here to include the GRPCI2 Host Bridge Driver.
510
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511source "drivers/pci/Kconfig"
512
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513source "drivers/pcmcia/Kconfig"
514
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515config SUN_OPENPROMFS
516 tristate "Openprom tree appears in /proc/openprom"
517 help
518 If you say Y, the OpenPROM device tree will be available as a
519 virtual file system, which you can mount to /proc/openprom by "mount
520 -t openpromfs none /proc/openprom".
521
522 To compile the /proc/openprom support as a module, choose M here: the
523 module will be called openpromfs.
524
525 Only choose N if you know in advance that you will not need to modify
526 OpenPROM settings on the running system.
527
1cb85e80 528# Makefile helper
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529config SPARC64_PCI
530 bool
531 default y
532 depends on SPARC64 && PCI
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533
534endmenu
535
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536menu "Executable file formats"
537
538source "fs/Kconfig.binfmt"
539
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540config COMPAT
541 bool
542 depends on SPARC64
543 default y
544 select COMPAT_BINFMT_ELF
af1839eb 545 select HAVE_UID16
48b25c43 546 select ARCH_WANT_OLD_COMPAT_IPC
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547
548config SYSVIPC_COMPAT
549 bool
550 depends on COMPAT && SYSVIPC
551 default y
552
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553config KEYS_COMPAT
554 def_bool y if COMPAT && KEYS
555
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556endmenu
557
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558source "net/Kconfig"
559
30aaa808 560source "drivers/Kconfig"
1da177e4 561
1da177e4 562source "drivers/sbus/char/Kconfig"
1da177e4 563
1da177e4
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564source "fs/Kconfig"
565
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566source "arch/sparc/Kconfig.debug"
567
568source "security/Kconfig"
569
570source "crypto/Kconfig"
571
572source "lib/Kconfig"
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