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1da177e4 LT |
1 | # |
2 | # For a description of the syntax of this configuration file, | |
3 | # see Documentation/kbuild/kconfig-language.txt. | |
4 | # | |
5 | ||
dbd70fb4 HC |
6 | config SCHED_MC |
7 | def_bool y | |
8 | depends on SMP | |
9 | ||
1da177e4 | 10 | config MMU |
61d48c2c | 11 | def_bool y |
1da177e4 | 12 | |
66701b14 | 13 | config ZONE_DMA |
118bcd31 HC |
14 | def_bool y |
15 | depends on 64BIT | |
66701b14 | 16 | |
2b105ff9 | 17 | config LOCKDEP_SUPPORT |
61d48c2c | 18 | def_bool y |
2b105ff9 | 19 | |
5bdc9b44 | 20 | config STACKTRACE_SUPPORT |
61d48c2c | 21 | def_bool y |
5bdc9b44 | 22 | |
a3afe70b HC |
23 | config HAVE_LATENCYTOP_SUPPORT |
24 | def_bool y | |
25 | ||
1da177e4 LT |
26 | config RWSEM_GENERIC_SPINLOCK |
27 | bool | |
28 | ||
29 | config RWSEM_XCHGADD_ALGORITHM | |
61d48c2c | 30 | def_bool y |
1da177e4 | 31 | |
f0d1b0b3 DH |
32 | config ARCH_HAS_ILOG2_U32 |
33 | bool | |
34 | default n | |
35 | ||
36 | config ARCH_HAS_ILOG2_U64 | |
37 | bool | |
38 | default n | |
39 | ||
7e33db4e | 40 | config GENERIC_HWEIGHT |
61d48c2c | 41 | def_bool y |
7e33db4e | 42 | |
dc64bef5 MS |
43 | config GENERIC_TIME |
44 | def_bool y | |
45 | ||
b020632e MS |
46 | config GENERIC_TIME_VSYSCALL |
47 | def_bool y | |
48 | ||
5a62b192 HC |
49 | config GENERIC_CLOCKEVENTS |
50 | def_bool y | |
51 | ||
c0007f1a HC |
52 | config GENERIC_BUG |
53 | bool | |
54 | depends on BUG | |
55 | default y | |
56 | ||
23db764d | 57 | config NO_IOMEM |
5ea81769 AV |
58 | def_bool y |
59 | ||
411f0f3e HC |
60 | config NO_DMA |
61 | def_bool y | |
62 | ||
b6b40c53 MS |
63 | config GENERIC_LOCKBREAK |
64 | bool | |
65 | default y | |
66 | depends on SMP && PREEMPT | |
67 | ||
402b0862 CO |
68 | config PGSTE |
69 | bool | |
70 | default y if KVM | |
71 | ||
c185b783 MS |
72 | config VIRT_CPU_ACCOUNTING |
73 | def_bool y | |
74 | ||
6a11f75b AM |
75 | config ARCH_SUPPORTS_DEBUG_PAGEALLOC |
76 | def_bool y | |
77 | ||
1da177e4 LT |
78 | mainmenu "Linux Kernel Configuration" |
79 | ||
347a8dc3 | 80 | config S390 |
61d48c2c | 81 | def_bool y |
ca9fc75a | 82 | select USE_GENERIC_SMP_HELPERS if SMP |
ed6bb619 | 83 | select HAVE_SYSCALL_WRAPPERS |
5d360a75 | 84 | select HAVE_FUNCTION_TRACER |
42d4b839 | 85 | select HAVE_OPROFILE |
3f550096 | 86 | select HAVE_KPROBES |
9edddaa2 | 87 | select HAVE_KRETPROBES |
77b455f1 | 88 | select HAVE_KVM if 64BIT |
753c4dd6 | 89 | select HAVE_ARCH_TRACEHOOK |
98a79d6a | 90 | select INIT_ALL_POSSIBLE |
1da177e4 | 91 | |
1da177e4 LT |
92 | source "init/Kconfig" |
93 | ||
dc52ddc0 MH |
94 | source "kernel/Kconfig.freezer" |
95 | ||
1da177e4 LT |
96 | menu "Base setup" |
97 | ||
98 | comment "Processor type and features" | |
99 | ||
5a62b192 HC |
100 | source "kernel/time/Kconfig" |
101 | ||
347a8dc3 | 102 | config 64BIT |
1da177e4 LT |
103 | bool "64 bit kernel" |
104 | help | |
105 | Select this option if you have a 64 bit IBM zSeries machine | |
106 | and want to use the 64 bit addressing mode. | |
107 | ||
d9f7a745 MS |
108 | config 32BIT |
109 | bool | |
110 | default y if !64BIT | |
111 | ||
1da177e4 LT |
112 | config SMP |
113 | bool "Symmetric multi-processing support" | |
114 | ---help--- | |
115 | This enables support for systems with more than one CPU. If you have | |
116 | a system with only one CPU, like most personal computers, say N. If | |
117 | you have a system with more than one CPU, say Y. | |
118 | ||
119 | If you say N here, the kernel will run on single and multiprocessor | |
120 | machines, but will use only one CPU of a multiprocessor machine. If | |
121 | you say Y here, the kernel will run on many, but not all, | |
122 | singleprocessor machines. On a singleprocessor machine, the kernel | |
123 | will run faster if you say N here. | |
124 | ||
03502faa AB |
125 | See also the SMP-HOWTO available at |
126 | <http://www.tldp.org/docs.html#howto>. | |
1da177e4 LT |
127 | |
128 | Even if you don't know what to do here, say Y. | |
129 | ||
130 | config NR_CPUS | |
131 | int "Maximum number of CPUs (2-64)" | |
132 | range 2 64 | |
133 | depends on SMP | |
057c5cb3 HC |
134 | default "32" if !64BIT |
135 | default "64" if 64BIT | |
1da177e4 LT |
136 | help |
137 | This allows you to specify the maximum number of CPUs which this | |
138 | kernel will support. The maximum supported value is 64 and the | |
139 | minimum value which makes sense is 2. | |
140 | ||
141 | This is purely to save memory - each supported CPU adds | |
142 | approximately sixteen kilobytes to the kernel image. | |
143 | ||
144 | config HOTPLUG_CPU | |
145 | bool "Support for hot-pluggable CPUs" | |
146 | depends on SMP | |
147 | select HOTPLUG | |
148 | default n | |
149 | help | |
150 | Say Y here to be able to turn CPUs off and on. CPUs | |
151 | can be controlled through /sys/devices/system/cpu/cpu#. | |
152 | Say N if you want to disable CPU hotplug. | |
153 | ||
154 | config MATHEMU | |
155 | bool "IEEE FPU emulation" | |
156 | depends on MARCH_G5 | |
157 | help | |
158 | This option is required for IEEE compliant floating point arithmetic | |
159 | on older S/390 machines. Say Y unless you know your machine doesn't | |
160 | need this. | |
161 | ||
347a8dc3 | 162 | config COMPAT |
1da177e4 | 163 | bool "Kernel support for 31 bit emulation" |
347a8dc3 | 164 | depends on 64BIT |
63506c41 | 165 | select COMPAT_BINFMT_ELF |
1da177e4 LT |
166 | help |
167 | Select this option if you want to enable your system kernel to | |
168 | handle system-calls from ELF binaries for 31 bit ESA. This option | |
169 | (and some other stuff like libraries and such) is needed for | |
170 | executing 31 bit applications. It is safe to say "Y". | |
171 | ||
1da177e4 LT |
172 | config SYSVIPC_COMPAT |
173 | bool | |
174 | depends on COMPAT && SYSVIPC | |
175 | default y | |
176 | ||
e65e1fc2 AV |
177 | config AUDIT_ARCH |
178 | bool | |
179 | default y | |
180 | ||
c1821c2e GS |
181 | config S390_SWITCH_AMODE |
182 | bool "Switch kernel/user addressing modes" | |
183 | help | |
184 | This option allows to switch the addressing modes of kernel and user | |
185 | space. The kernel parameter switch_amode=on will enable this feature, | |
186 | default is disabled. Enabling this (via kernel parameter) on machines | |
187 | earlier than IBM System z9-109 EC/BC will reduce system performance. | |
188 | ||
189 | Note that this option will also be selected by selecting the execute | |
190 | protection option below. Enabling the execute protection via the | |
191 | noexec kernel parameter will also switch the addressing modes, | |
192 | independent of the switch_amode kernel parameter. | |
193 | ||
194 | ||
195 | config S390_EXEC_PROTECT | |
196 | bool "Data execute protection" | |
197 | select S390_SWITCH_AMODE | |
198 | help | |
199 | This option allows to enable a buffer overflow protection for user | |
200 | space programs and it also selects the addressing mode option above. | |
201 | The kernel parameter noexec=on will enable this feature and also | |
202 | switch the addressing modes, default is disabled. Enabling this (via | |
203 | kernel parameter) on machines earlier than IBM System z9-109 EC/BC | |
204 | will reduce system performance. | |
205 | ||
1da177e4 LT |
206 | comment "Code generation options" |
207 | ||
208 | choice | |
209 | prompt "Processor type" | |
210 | default MARCH_G5 | |
211 | ||
212 | config MARCH_G5 | |
213 | bool "S/390 model G5 and G6" | |
347a8dc3 | 214 | depends on !64BIT |
1da177e4 LT |
215 | help |
216 | Select this to build a 31 bit kernel that works | |
217 | on all S/390 and zSeries machines. | |
218 | ||
219 | config MARCH_Z900 | |
220 | bool "IBM eServer zSeries model z800 and z900" | |
221 | help | |
222 | Select this to optimize for zSeries machines. This | |
223 | will enable some optimizations that are not available | |
224 | on older 31 bit only CPUs. | |
225 | ||
226 | config MARCH_Z990 | |
227 | bool "IBM eServer zSeries model z890 and z990" | |
228 | help | |
229 | Select this enable optimizations for model z890/z990. | |
230 | This will be slightly faster but does not work on | |
231 | older machines such as the z900. | |
232 | ||
0efa4703 CB |
233 | config MARCH_Z9_109 |
234 | bool "IBM System z9" | |
235 | help | |
236 | Select this to enable optimizations for IBM System z9-109, IBM | |
237 | System z9 Enterprise Class (z9 EC), and IBM System z9 Business | |
238 | Class (z9 BC). The kernel will be slightly faster but will not | |
239 | work on older machines such as the z990, z890, z900, and z800. | |
240 | ||
e37f50e1 MS |
241 | config MARCH_Z10 |
242 | bool "IBM System z10" | |
243 | help | |
244 | Select this to enable optimizations for IBM System z10. The | |
245 | kernel will be slightly faster but will not work on older | |
246 | machines such as the z990, z890, z900, z800, z9-109, z9-ec | |
247 | and z9-bc. | |
248 | ||
1da177e4 LT |
249 | endchoice |
250 | ||
251 | config PACK_STACK | |
252 | bool "Pack kernel stack" | |
253 | help | |
254 | This option enables the compiler option -mkernel-backchain if it | |
255 | is available. If the option is available the compiler supports | |
256 | the new stack layout which dramatically reduces the minimum stack | |
257 | frame size. With an old compiler a non-leaf function needs a | |
258 | minimum of 96 bytes on 31 bit and 160 bytes on 64 bit. With | |
259 | -mkernel-backchain the minimum size drops to 16 byte on 31 bit | |
260 | and 24 byte on 64 bit. | |
261 | ||
262 | Say Y if you are unsure. | |
263 | ||
264 | config SMALL_STACK | |
7f5a8ba6 HC |
265 | bool "Use 8kb for kernel stack instead of 16kb" |
266 | depends on PACK_STACK && 64BIT && !LOCKDEP | |
1da177e4 LT |
267 | help |
268 | If you say Y here and the compiler supports the -mkernel-backchain | |
7f5a8ba6 HC |
269 | option the kernel will use a smaller kernel stack size. The reduced |
270 | size is 8kb instead of 16kb. This allows to run more threads on a | |
271 | system and reduces the pressure on the memory management for higher | |
272 | order page allocations. | |
1da177e4 LT |
273 | |
274 | Say N if you are unsure. | |
275 | ||
1da177e4 LT |
276 | config CHECK_STACK |
277 | bool "Detect kernel stack overflow" | |
278 | help | |
279 | This option enables the compiler option -mstack-guard and | |
280 | -mstack-size if they are available. If the compiler supports them | |
281 | it will emit additional code to each function prolog to trigger | |
282 | an illegal operation if the kernel stack is about to overflow. | |
283 | ||
284 | Say N if you are unsure. | |
285 | ||
286 | config STACK_GUARD | |
287 | int "Size of the guard area (128-1024)" | |
288 | range 128 1024 | |
289 | depends on CHECK_STACK | |
290 | default "256" | |
291 | help | |
292 | This allows you to specify the size of the guard area at the lower | |
293 | end of the kernel stack. If the kernel stack points into the guard | |
294 | area on function entry an illegal operation is triggered. The size | |
295 | needs to be a power of 2. Please keep in mind that the size of an | |
296 | interrupt frame is 184 bytes for 31 bit and 328 bytes on 64 bit. | |
297 | The minimum size for the stack guard should be 256 for 31 bit and | |
298 | 512 for 64 bit. | |
299 | ||
300 | config WARN_STACK | |
301 | bool "Emit compiler warnings for function with broken stack usage" | |
302 | help | |
303 | This option enables the compiler options -mwarn-framesize and | |
304 | -mwarn-dynamicstack. If the compiler supports these options it | |
305 | will generate warnings for function which either use alloca or | |
025dfdaf | 306 | create a stack frame bigger than CONFIG_WARN_STACK_SIZE. |
1da177e4 LT |
307 | |
308 | Say N if you are unsure. | |
309 | ||
310 | config WARN_STACK_SIZE | |
311 | int "Maximum frame size considered safe (128-2048)" | |
312 | range 128 2048 | |
313 | depends on WARN_STACK | |
c5a37255 | 314 | default "2048" |
1da177e4 LT |
315 | help |
316 | This allows you to specify the maximum frame size a function may | |
317 | have without the compiler complaining about it. | |
318 | ||
39b742f9 HC |
319 | config ARCH_POPULATES_NODE_MAP |
320 | def_bool y | |
321 | ||
61d48c2c MS |
322 | comment "Kernel preemption" |
323 | ||
324 | source "kernel/Kconfig.preempt" | |
325 | ||
17f34580 HC |
326 | config ARCH_SPARSEMEM_ENABLE |
327 | def_bool y | |
328 | select SPARSEMEM_VMEMMAP_ENABLE | |
329 | select SPARSEMEM_VMEMMAP | |
148f1678 | 330 | select SPARSEMEM_STATIC if !64BIT |
17f34580 HC |
331 | |
332 | config ARCH_SPARSEMEM_DEFAULT | |
333 | def_bool y | |
334 | ||
97195d6b HJP |
335 | config ARCH_SELECT_MEMORY_MODEL |
336 | def_bool y | |
337 | ||
421c175c HC |
338 | config ARCH_ENABLE_MEMORY_HOTPLUG |
339 | def_bool y | |
340 | depends on SPARSEMEM | |
341 | ||
7e9238fb GS |
342 | config ARCH_ENABLE_MEMORY_HOTREMOVE |
343 | def_bool y | |
344 | ||
3f22ab27 DH |
345 | source "mm/Kconfig" |
346 | ||
1da177e4 LT |
347 | comment "I/O subsystem configuration" |
348 | ||
1da177e4 LT |
349 | config QDIO |
350 | tristate "QDIO support" | |
351 | ---help--- | |
8129ee16 | 352 | This driver provides the Queued Direct I/O base support for |
efca13bc | 353 | IBM System z. |
1da177e4 LT |
354 | |
355 | To compile this driver as a module, choose M here: the | |
356 | module will be called qdio. | |
357 | ||
358 | If unsure, say Y. | |
359 | ||
9d92a7e1 CH |
360 | config CHSC_SCH |
361 | tristate "Support for CHSC subchannels" | |
362 | help | |
363 | This driver allows usage of CHSC subchannels. A CHSC subchannel | |
364 | is usually present on LPAR only. | |
365 | The driver creates a device /dev/chsc, which may be used to | |
366 | obtain I/O configuration information about the machine and | |
367 | to issue asynchronous chsc commands (DANGEROUS). | |
368 | You will usually only want to use this interface on a special | |
369 | LPAR designated for system management. | |
370 | ||
371 | To compile this driver as a module, choose M here: the | |
372 | module will be called chsc_sch. | |
373 | ||
374 | If unsure, say N. | |
375 | ||
1da177e4 LT |
376 | comment "Misc" |
377 | ||
1da177e4 LT |
378 | config IPL |
379 | bool "Builtin IPL record support" | |
380 | help | |
381 | If you want to use the produced kernel to IPL directly from a | |
382 | device, you have to merge a bootsector specific to the device | |
383 | into the first bytes of the kernel. You will have to select the | |
384 | IPL device. | |
385 | ||
386 | choice | |
387 | prompt "IPL method generated into head.S" | |
388 | depends on IPL | |
46e7951f | 389 | default IPL_VM |
1da177e4 LT |
390 | help |
391 | Select "tape" if you want to IPL the image from a Tape. | |
392 | ||
393 | Select "vm_reader" if you are running under VM/ESA and want | |
394 | to IPL the image from the emulated card reader. | |
395 | ||
396 | config IPL_TAPE | |
397 | bool "tape" | |
398 | ||
399 | config IPL_VM | |
400 | bool "vm_reader" | |
401 | ||
402 | endchoice | |
403 | ||
404 | source "fs/Kconfig.binfmt" | |
405 | ||
684de39b HC |
406 | config FORCE_MAX_ZONEORDER |
407 | int | |
408 | default "9" | |
409 | ||
1da177e4 LT |
410 | config PROCESS_DEBUG |
411 | bool "Show crashed user process info" | |
412 | help | |
413 | Say Y to print all process fault locations to the console. This is | |
414 | a debugging option; you probably do not want to set it unless you | |
415 | are an S390 port maintainer. | |
416 | ||
417 | config PFAULT | |
418 | bool "Pseudo page fault support" | |
419 | help | |
420 | Select this option, if you want to use PFAULT pseudo page fault | |
421 | handling under VM. If running native or in LPAR, this option | |
422 | has no effect. If your VM does not support PFAULT, PAGEEX | |
423 | pseudo page fault handling will be used. | |
424 | Note that VM 4.2 supports PFAULT but has a bug in its | |
425 | implementation that causes some problems. | |
426 | Everybody who wants to run Linux under VM != VM4.2 should select | |
427 | this option. | |
428 | ||
429 | config SHARED_KERNEL | |
430 | bool "VM shared kernel support" | |
431 | help | |
432 | Select this option, if you want to share the text segment of the | |
433 | Linux kernel between different VM guests. This reduces memory | |
434 | usage with lots of guests but greatly increases kernel size. | |
9c9c1761 HC |
435 | Also if a kernel was IPL'ed from a shared segment the kexec system |
436 | call will not work. | |
1da177e4 LT |
437 | You should only select this option if you know what you are |
438 | doing and want to exploit this feature. | |
439 | ||
440 | config CMM | |
441 | tristate "Cooperative memory management" | |
442 | help | |
443 | Select this option, if you want to enable the kernel interface | |
444 | to reduce the memory size of the system. This is accomplished | |
445 | by allocating pages of memory and put them "on hold". This only | |
446 | makes sense for a system running under VM where the unused pages | |
447 | will be reused by VM for other guest systems. The interface | |
448 | allows an external monitor to balance memory of many systems. | |
449 | Everybody who wants to run Linux under VM should select this | |
450 | option. | |
451 | ||
452 | config CMM_PROC | |
453 | bool "/proc interface to cooperative memory management" | |
454 | depends on CMM | |
455 | help | |
456 | Select this option to enable the /proc interface to the | |
457 | cooperative memory management. | |
458 | ||
459 | config CMM_IUCV | |
460 | bool "IUCV special message interface to cooperative memory management" | |
461 | depends on CMM && (SMSGIUCV=y || CMM=SMSGIUCV) | |
462 | help | |
463 | Select this option to enable the special message interface to | |
464 | the cooperative memory management. | |
465 | ||
45e576b1 MS |
466 | config PAGE_STATES |
467 | bool "Unused page notification" | |
468 | help | |
469 | This enables the notification of unused pages to the | |
470 | hypervisor. The ESSA instruction is used to do the states | |
471 | changes between a page that has content and the unused state. | |
472 | ||
1da177e4 LT |
473 | config APPLDATA_BASE |
474 | bool "Linux - VM Monitor Stream, base infrastructure" | |
c185b783 | 475 | depends on PROC_FS |
1da177e4 LT |
476 | help |
477 | This provides a kernel interface for creating and updating z/VM APPLDATA | |
478 | monitor records. The monitor records are updated at certain time | |
479 | intervals, once the timer is started. | |
480 | Writing 1 or 0 to /proc/appldata/timer starts(1) or stops(0) the timer, | |
481 | i.e. enables or disables monitoring on the Linux side. | |
482 | A custom interval value (in seconds) can be written to | |
483 | /proc/appldata/interval. | |
484 | ||
485 | Defaults are 60 seconds interval and timer off. | |
486 | The /proc entries can also be read from, showing the current settings. | |
487 | ||
488 | config APPLDATA_MEM | |
489 | tristate "Monitor memory management statistics" | |
62fb2ba3 | 490 | depends on APPLDATA_BASE && VM_EVENT_COUNTERS |
1da177e4 LT |
491 | help |
492 | This provides memory management related data to the Linux - VM Monitor | |
493 | Stream, like paging/swapping rate, memory utilisation, etc. | |
494 | Writing 1 or 0 to /proc/appldata/memory creates(1) or removes(0) a z/VM | |
495 | APPLDATA monitor record, i.e. enables or disables monitoring this record | |
496 | on the z/VM side. | |
497 | ||
498 | Default is disabled. | |
499 | The /proc entry can also be read from, showing the current settings. | |
500 | ||
501 | This can also be compiled as a module, which will be called | |
502 | appldata_mem.o. | |
503 | ||
504 | config APPLDATA_OS | |
505 | tristate "Monitor OS statistics" | |
506 | depends on APPLDATA_BASE | |
507 | help | |
508 | This provides OS related data to the Linux - VM Monitor Stream, like | |
509 | CPU utilisation, etc. | |
510 | Writing 1 or 0 to /proc/appldata/os creates(1) or removes(0) a z/VM | |
511 | APPLDATA monitor record, i.e. enables or disables monitoring this record | |
512 | on the z/VM side. | |
513 | ||
514 | Default is disabled. | |
515 | This can also be compiled as a module, which will be called | |
516 | appldata_os.o. | |
517 | ||
518 | config APPLDATA_NET_SUM | |
519 | tristate "Monitor overall network statistics" | |
70193af9 | 520 | depends on APPLDATA_BASE && NET |
1da177e4 LT |
521 | help |
522 | This provides network related data to the Linux - VM Monitor Stream, | |
523 | currently there is only a total sum of network I/O statistics, no | |
524 | per-interface data. | |
525 | Writing 1 or 0 to /proc/appldata/net_sum creates(1) or removes(0) a z/VM | |
526 | APPLDATA monitor record, i.e. enables or disables monitoring this record | |
527 | on the z/VM side. | |
528 | ||
529 | Default is disabled. | |
530 | This can also be compiled as a module, which will be called | |
531 | appldata_net_sum.o. | |
532 | ||
61d48c2c MS |
533 | source kernel/Kconfig.hz |
534 | ||
24bbb1fa MH |
535 | config S390_HYPFS_FS |
536 | bool "s390 hypervisor file system support" | |
537 | select SYS_HYPERVISOR | |
538 | default y | |
539 | help | |
540 | This is a virtual file system intended to provide accounting | |
541 | information in an s390 hypervisor environment. | |
542 | ||
cf13f0ea | 543 | config KEXEC |
07d43ce6 | 544 | bool "kexec system call" |
cf13f0ea HC |
545 | help |
546 | kexec is a system call that implements the ability to shutdown your | |
547 | current kernel, and to start another kernel. It is like a reboot | |
548 | but is independent of hardware/microcode support. | |
549 | ||
411ed322 | 550 | config ZFCPDUMP |
59f2e69d | 551 | bool "zfcpdump support" |
411ed322 MH |
552 | select SMP |
553 | default n | |
554 | help | |
555 | Select this option if you want to build an zfcpdump enabled kernel. | |
e403149c | 556 | Refer to <file:Documentation/s390/zfcpdump.txt> for more details on this. |
411ed322 | 557 | |
fa587743 | 558 | config S390_GUEST |
20766c08 | 559 | bool "s390 guest support for KVM (EXPERIMENTAL)" |
fa587743 CO |
560 | depends on 64BIT && EXPERIMENTAL |
561 | select VIRTIO | |
562 | select VIRTIO_RING | |
faeba830 | 563 | select VIRTIO_CONSOLE |
fa587743 | 564 | help |
20766c08 CB |
565 | Select this option if you want to run the kernel as a guest under |
566 | the KVM hypervisor. This will add detection for KVM as well as a | |
567 | virtio transport. If KVM is detected, the virtio console will be | |
568 | the default console. | |
1da177e4 LT |
569 | endmenu |
570 | ||
d5950b43 SR |
571 | source "net/Kconfig" |
572 | ||
1da177e4 | 573 | config PCMCIA |
61d48c2c | 574 | def_bool n |
1da177e4 | 575 | |
61d48c2c MS |
576 | config CCW |
577 | def_bool y | |
1da177e4 | 578 | |
61d48c2c | 579 | source "drivers/Kconfig" |
1da177e4 LT |
580 | |
581 | source "fs/Kconfig" | |
582 | ||
1da177e4 LT |
583 | source "arch/s390/Kconfig.debug" |
584 | ||
585 | source "security/Kconfig" | |
586 | ||
587 | source "crypto/Kconfig" | |
588 | ||
589 | source "lib/Kconfig" | |
77b455f1 CB |
590 | |
591 | source "arch/s390/kvm/Kconfig" |