Commit | Line | Data |
---|---|---|
dbd70fb4 HC |
1 | config SCHED_MC |
2 | def_bool y | |
3 | depends on SMP | |
4 | ||
1da177e4 | 5 | config MMU |
61d48c2c | 6 | def_bool y |
1da177e4 | 7 | |
66701b14 | 8 | config ZONE_DMA |
118bcd31 HC |
9 | def_bool y |
10 | depends on 64BIT | |
66701b14 | 11 | |
2b105ff9 | 12 | config LOCKDEP_SUPPORT |
61d48c2c | 13 | def_bool y |
2b105ff9 | 14 | |
5bdc9b44 | 15 | config STACKTRACE_SUPPORT |
61d48c2c | 16 | def_bool y |
5bdc9b44 | 17 | |
a3afe70b HC |
18 | config HAVE_LATENCYTOP_SUPPORT |
19 | def_bool y | |
20 | ||
1da177e4 LT |
21 | config RWSEM_GENERIC_SPINLOCK |
22 | bool | |
23 | ||
24 | config RWSEM_XCHGADD_ALGORITHM | |
61d48c2c | 25 | def_bool y |
1da177e4 | 26 | |
f0d1b0b3 DH |
27 | config ARCH_HAS_ILOG2_U32 |
28 | bool | |
29 | default n | |
30 | ||
31 | config ARCH_HAS_ILOG2_U64 | |
32 | bool | |
33 | default n | |
34 | ||
7e33db4e | 35 | config GENERIC_HWEIGHT |
61d48c2c | 36 | def_bool y |
7e33db4e | 37 | |
b020632e MS |
38 | config GENERIC_TIME_VSYSCALL |
39 | def_bool y | |
40 | ||
5a62b192 HC |
41 | config GENERIC_CLOCKEVENTS |
42 | def_bool y | |
43 | ||
c0007f1a HC |
44 | config GENERIC_BUG |
45 | bool | |
46 | depends on BUG | |
47 | default y | |
48 | ||
52499f40 HC |
49 | config GENERIC_BUG_RELATIVE_POINTERS |
50 | def_bool y | |
51 | ||
23db764d | 52 | config NO_IOMEM |
5ea81769 AV |
53 | def_bool y |
54 | ||
411f0f3e HC |
55 | config NO_DMA |
56 | def_bool y | |
57 | ||
eca577ef FT |
58 | config ARCH_DMA_ADDR_T_64BIT |
59 | def_bool 64BIT | |
60 | ||
b6b40c53 MS |
61 | config GENERIC_LOCKBREAK |
62 | bool | |
63 | default y | |
64 | depends on SMP && PREEMPT | |
65 | ||
402b0862 CO |
66 | config PGSTE |
67 | bool | |
68 | default y if KVM | |
69 | ||
c185b783 MS |
70 | config VIRT_CPU_ACCOUNTING |
71 | def_bool y | |
72 | ||
6a11f75b AM |
73 | config ARCH_SUPPORTS_DEBUG_PAGEALLOC |
74 | def_bool y | |
75 | ||
347a8dc3 | 76 | config S390 |
61d48c2c | 77 | def_bool y |
ca9fc75a | 78 | select USE_GENERIC_SMP_HELPERS if SMP |
ed6bb619 | 79 | select HAVE_SYSCALL_WRAPPERS |
5d360a75 | 80 | select HAVE_FUNCTION_TRACER |
8b4488f8 | 81 | select HAVE_FUNCTION_TRACE_MCOUNT_TEST |
dfd9f7ab | 82 | select HAVE_FTRACE_MCOUNT_RECORD |
66700001 | 83 | select HAVE_SYSCALL_TRACEPOINTS |
dfd9f7ab | 84 | select HAVE_DYNAMIC_FTRACE |
88dbd203 | 85 | select HAVE_FUNCTION_GRAPH_TRACER |
952974ac | 86 | select HAVE_REGS_AND_STACK_ACCESS_API |
36cd3c9f | 87 | select HAVE_DEFAULT_NO_SPIN_MUTEXES |
42d4b839 | 88 | select HAVE_OPROFILE |
3f550096 | 89 | select HAVE_KPROBES |
9edddaa2 | 90 | select HAVE_KRETPROBES |
77b455f1 | 91 | select HAVE_KVM if 64BIT |
753c4dd6 | 92 | select HAVE_ARCH_TRACEHOOK |
98a79d6a | 93 | select INIT_ALL_POSSIBLE |
e360adbe | 94 | select HAVE_IRQ_WORK |
cdd6c482 | 95 | select HAVE_PERF_EVENTS |
1844c9bc MS |
96 | select HAVE_KERNEL_GZIP |
97 | select HAVE_KERNEL_BZIP2 | |
98 | select HAVE_KERNEL_LZMA | |
cdf56649 | 99 | select HAVE_KERNEL_LZO |
80217147 | 100 | select HAVE_GET_USER_PAGES_FAST |
6beb0009 TG |
101 | select ARCH_INLINE_SPIN_TRYLOCK |
102 | select ARCH_INLINE_SPIN_TRYLOCK_BH | |
103 | select ARCH_INLINE_SPIN_LOCK | |
104 | select ARCH_INLINE_SPIN_LOCK_BH | |
105 | select ARCH_INLINE_SPIN_LOCK_IRQ | |
106 | select ARCH_INLINE_SPIN_LOCK_IRQSAVE | |
107 | select ARCH_INLINE_SPIN_UNLOCK | |
108 | select ARCH_INLINE_SPIN_UNLOCK_BH | |
109 | select ARCH_INLINE_SPIN_UNLOCK_IRQ | |
110 | select ARCH_INLINE_SPIN_UNLOCK_IRQRESTORE | |
111 | select ARCH_INLINE_READ_TRYLOCK | |
112 | select ARCH_INLINE_READ_LOCK | |
113 | select ARCH_INLINE_READ_LOCK_BH | |
114 | select ARCH_INLINE_READ_LOCK_IRQ | |
115 | select ARCH_INLINE_READ_LOCK_IRQSAVE | |
116 | select ARCH_INLINE_READ_UNLOCK | |
117 | select ARCH_INLINE_READ_UNLOCK_BH | |
118 | select ARCH_INLINE_READ_UNLOCK_IRQ | |
119 | select ARCH_INLINE_READ_UNLOCK_IRQRESTORE | |
120 | select ARCH_INLINE_WRITE_TRYLOCK | |
121 | select ARCH_INLINE_WRITE_LOCK | |
122 | select ARCH_INLINE_WRITE_LOCK_BH | |
123 | select ARCH_INLINE_WRITE_LOCK_IRQ | |
124 | select ARCH_INLINE_WRITE_LOCK_IRQSAVE | |
125 | select ARCH_INLINE_WRITE_UNLOCK | |
126 | select ARCH_INLINE_WRITE_UNLOCK_BH | |
127 | select ARCH_INLINE_WRITE_UNLOCK_IRQ | |
128 | select ARCH_INLINE_WRITE_UNLOCK_IRQRESTORE | |
1da177e4 | 129 | |
fca3e357 MS |
130 | config SCHED_OMIT_FRAME_POINTER |
131 | bool | |
132 | default y | |
133 | ||
1da177e4 LT |
134 | source "init/Kconfig" |
135 | ||
dc52ddc0 MH |
136 | source "kernel/Kconfig.freezer" |
137 | ||
1da177e4 LT |
138 | menu "Base setup" |
139 | ||
140 | comment "Processor type and features" | |
141 | ||
5a62b192 HC |
142 | source "kernel/time/Kconfig" |
143 | ||
347a8dc3 | 144 | config 64BIT |
1da177e4 LT |
145 | bool "64 bit kernel" |
146 | help | |
db81a23d | 147 | Select this option if you have an IBM z/Architecture machine |
1da177e4 LT |
148 | and want to use the 64 bit addressing mode. |
149 | ||
d9f7a745 MS |
150 | config 32BIT |
151 | bool | |
152 | default y if !64BIT | |
153 | ||
07606309 MS |
154 | config KTIME_SCALAR |
155 | def_bool 32BIT | |
156 | ||
1da177e4 LT |
157 | config SMP |
158 | bool "Symmetric multi-processing support" | |
159 | ---help--- | |
160 | This enables support for systems with more than one CPU. If you have | |
161 | a system with only one CPU, like most personal computers, say N. If | |
162 | you have a system with more than one CPU, say Y. | |
163 | ||
164 | If you say N here, the kernel will run on single and multiprocessor | |
165 | machines, but will use only one CPU of a multiprocessor machine. If | |
166 | you say Y here, the kernel will run on many, but not all, | |
167 | singleprocessor machines. On a singleprocessor machine, the kernel | |
168 | will run faster if you say N here. | |
169 | ||
03502faa AB |
170 | See also the SMP-HOWTO available at |
171 | <http://www.tldp.org/docs.html#howto>. | |
1da177e4 LT |
172 | |
173 | Even if you don't know what to do here, say Y. | |
174 | ||
175 | config NR_CPUS | |
176 | int "Maximum number of CPUs (2-64)" | |
177 | range 2 64 | |
178 | depends on SMP | |
057c5cb3 HC |
179 | default "32" if !64BIT |
180 | default "64" if 64BIT | |
1da177e4 LT |
181 | help |
182 | This allows you to specify the maximum number of CPUs which this | |
183 | kernel will support. The maximum supported value is 64 and the | |
184 | minimum value which makes sense is 2. | |
185 | ||
186 | This is purely to save memory - each supported CPU adds | |
187 | approximately sixteen kilobytes to the kernel image. | |
188 | ||
189 | config HOTPLUG_CPU | |
190 | bool "Support for hot-pluggable CPUs" | |
191 | depends on SMP | |
192 | select HOTPLUG | |
193 | default n | |
194 | help | |
195 | Say Y here to be able to turn CPUs off and on. CPUs | |
196 | can be controlled through /sys/devices/system/cpu/cpu#. | |
197 | Say N if you want to disable CPU hotplug. | |
198 | ||
8d11e021 HC |
199 | config SCHED_MC |
200 | def_bool y | |
201 | prompt "Multi-core scheduler support" | |
202 | depends on SMP | |
203 | help | |
204 | Multi-core scheduler support improves the CPU scheduler's decision | |
205 | making when dealing with multi-core CPU chips at a cost of slightly | |
206 | increased overhead in some places. | |
207 | ||
4cb14bc8 HC |
208 | config SCHED_BOOK |
209 | bool "Book scheduler support" | |
8d11e021 | 210 | depends on SMP && SCHED_MC |
4cb14bc8 HC |
211 | help |
212 | Book scheduler support improves the CPU scheduler's decision making | |
213 | when dealing with machines that have several books. | |
214 | ||
1da177e4 LT |
215 | config MATHEMU |
216 | bool "IEEE FPU emulation" | |
217 | depends on MARCH_G5 | |
218 | help | |
219 | This option is required for IEEE compliant floating point arithmetic | |
db81a23d | 220 | on older ESA/390 machines. Say Y unless you know your machine doesn't |
1da177e4 LT |
221 | need this. |
222 | ||
347a8dc3 | 223 | config COMPAT |
1da177e4 | 224 | bool "Kernel support for 31 bit emulation" |
347a8dc3 | 225 | depends on 64BIT |
63506c41 | 226 | select COMPAT_BINFMT_ELF |
1da177e4 LT |
227 | help |
228 | Select this option if you want to enable your system kernel to | |
229 | handle system-calls from ELF binaries for 31 bit ESA. This option | |
230 | (and some other stuff like libraries and such) is needed for | |
231 | executing 31 bit applications. It is safe to say "Y". | |
232 | ||
1da177e4 LT |
233 | config SYSVIPC_COMPAT |
234 | bool | |
235 | depends on COMPAT && SYSVIPC | |
236 | default y | |
237 | ||
e65e1fc2 AV |
238 | config AUDIT_ARCH |
239 | bool | |
240 | default y | |
241 | ||
c1821c2e GS |
242 | config S390_EXEC_PROTECT |
243 | bool "Data execute protection" | |
c1821c2e GS |
244 | help |
245 | This option allows to enable a buffer overflow protection for user | |
246 | space programs and it also selects the addressing mode option above. | |
247 | The kernel parameter noexec=on will enable this feature and also | |
248 | switch the addressing modes, default is disabled. Enabling this (via | |
db81a23d HC |
249 | kernel parameter) on machines earlier than IBM System z9 this will |
250 | reduce system performance. | |
c1821c2e | 251 | |
1da177e4 LT |
252 | comment "Code generation options" |
253 | ||
254 | choice | |
255 | prompt "Processor type" | |
256 | default MARCH_G5 | |
257 | ||
258 | config MARCH_G5 | |
db81a23d | 259 | bool "System/390 model G5 and G6" |
347a8dc3 | 260 | depends on !64BIT |
1da177e4 LT |
261 | help |
262 | Select this to build a 31 bit kernel that works | |
db81a23d | 263 | on all ESA/390 and z/Architecture machines. |
1da177e4 LT |
264 | |
265 | config MARCH_Z900 | |
db81a23d | 266 | bool "IBM zSeries model z800 and z900" |
1da177e4 | 267 | help |
db81a23d HC |
268 | Select this to enable optimizations for model z800/z900 (2064 and |
269 | 2066 series). This will enable some optimizations that are not | |
270 | available on older ESA/390 (31 Bit) only CPUs. | |
1da177e4 LT |
271 | |
272 | config MARCH_Z990 | |
db81a23d | 273 | bool "IBM zSeries model z890 and z990" |
1da177e4 | 274 | help |
db81a23d HC |
275 | Select this to enable optimizations for model z890/z990 (2084 and |
276 | 2086 series). The kernel will be slightly faster but will not work | |
277 | on older machines. | |
1da177e4 | 278 | |
0efa4703 CB |
279 | config MARCH_Z9_109 |
280 | bool "IBM System z9" | |
281 | help | |
db81a23d HC |
282 | Select this to enable optimizations for IBM System z9 (2094 and |
283 | 2096 series). The kernel will be slightly faster but will not work | |
284 | on older machines. | |
0efa4703 | 285 | |
e37f50e1 MS |
286 | config MARCH_Z10 |
287 | bool "IBM System z10" | |
288 | help | |
db81a23d HC |
289 | Select this to enable optimizations for IBM System z10 (2097 and |
290 | 2098 series). The kernel will be slightly faster but will not work | |
291 | on older machines. | |
e37f50e1 | 292 | |
f861e405 HC |
293 | config MARCH_Z196 |
294 | bool "IBM zEnterprise 196" | |
295 | help | |
db81a23d HC |
296 | Select this to enable optimizations for IBM zEnterprise 196 |
297 | (2817 series). The kernel will be slightly faster but will not work | |
298 | on older machines. | |
f861e405 | 299 | |
1da177e4 LT |
300 | endchoice |
301 | ||
302 | config PACK_STACK | |
303 | bool "Pack kernel stack" | |
304 | help | |
305 | This option enables the compiler option -mkernel-backchain if it | |
306 | is available. If the option is available the compiler supports | |
307 | the new stack layout which dramatically reduces the minimum stack | |
308 | frame size. With an old compiler a non-leaf function needs a | |
309 | minimum of 96 bytes on 31 bit and 160 bytes on 64 bit. With | |
310 | -mkernel-backchain the minimum size drops to 16 byte on 31 bit | |
311 | and 24 byte on 64 bit. | |
312 | ||
313 | Say Y if you are unsure. | |
314 | ||
315 | config SMALL_STACK | |
7f5a8ba6 HC |
316 | bool "Use 8kb for kernel stack instead of 16kb" |
317 | depends on PACK_STACK && 64BIT && !LOCKDEP | |
1da177e4 LT |
318 | help |
319 | If you say Y here and the compiler supports the -mkernel-backchain | |
7f5a8ba6 HC |
320 | option the kernel will use a smaller kernel stack size. The reduced |
321 | size is 8kb instead of 16kb. This allows to run more threads on a | |
322 | system and reduces the pressure on the memory management for higher | |
323 | order page allocations. | |
1da177e4 LT |
324 | |
325 | Say N if you are unsure. | |
326 | ||
1da177e4 LT |
327 | config CHECK_STACK |
328 | bool "Detect kernel stack overflow" | |
329 | help | |
330 | This option enables the compiler option -mstack-guard and | |
331 | -mstack-size if they are available. If the compiler supports them | |
332 | it will emit additional code to each function prolog to trigger | |
333 | an illegal operation if the kernel stack is about to overflow. | |
334 | ||
335 | Say N if you are unsure. | |
336 | ||
337 | config STACK_GUARD | |
338 | int "Size of the guard area (128-1024)" | |
339 | range 128 1024 | |
340 | depends on CHECK_STACK | |
341 | default "256" | |
342 | help | |
343 | This allows you to specify the size of the guard area at the lower | |
344 | end of the kernel stack. If the kernel stack points into the guard | |
345 | area on function entry an illegal operation is triggered. The size | |
346 | needs to be a power of 2. Please keep in mind that the size of an | |
347 | interrupt frame is 184 bytes for 31 bit and 328 bytes on 64 bit. | |
348 | The minimum size for the stack guard should be 256 for 31 bit and | |
349 | 512 for 64 bit. | |
350 | ||
351 | config WARN_STACK | |
352 | bool "Emit compiler warnings for function with broken stack usage" | |
353 | help | |
354 | This option enables the compiler options -mwarn-framesize and | |
355 | -mwarn-dynamicstack. If the compiler supports these options it | |
356 | will generate warnings for function which either use alloca or | |
025dfdaf | 357 | create a stack frame bigger than CONFIG_WARN_STACK_SIZE. |
1da177e4 LT |
358 | |
359 | Say N if you are unsure. | |
360 | ||
361 | config WARN_STACK_SIZE | |
362 | int "Maximum frame size considered safe (128-2048)" | |
363 | range 128 2048 | |
364 | depends on WARN_STACK | |
c5a37255 | 365 | default "2048" |
1da177e4 LT |
366 | help |
367 | This allows you to specify the maximum frame size a function may | |
368 | have without the compiler complaining about it. | |
369 | ||
39b742f9 HC |
370 | config ARCH_POPULATES_NODE_MAP |
371 | def_bool y | |
372 | ||
61d48c2c MS |
373 | comment "Kernel preemption" |
374 | ||
375 | source "kernel/Kconfig.preempt" | |
376 | ||
17f34580 HC |
377 | config ARCH_SPARSEMEM_ENABLE |
378 | def_bool y | |
379 | select SPARSEMEM_VMEMMAP_ENABLE | |
380 | select SPARSEMEM_VMEMMAP | |
148f1678 | 381 | select SPARSEMEM_STATIC if !64BIT |
17f34580 HC |
382 | |
383 | config ARCH_SPARSEMEM_DEFAULT | |
384 | def_bool y | |
385 | ||
97195d6b HJP |
386 | config ARCH_SELECT_MEMORY_MODEL |
387 | def_bool y | |
388 | ||
421c175c HC |
389 | config ARCH_ENABLE_MEMORY_HOTPLUG |
390 | def_bool y | |
391 | depends on SPARSEMEM | |
392 | ||
7e9238fb GS |
393 | config ARCH_ENABLE_MEMORY_HOTREMOVE |
394 | def_bool y | |
395 | ||
155af2f9 HJP |
396 | config ARCH_HIBERNATION_POSSIBLE |
397 | def_bool y if 64BIT | |
398 | ||
3f22ab27 DH |
399 | source "mm/Kconfig" |
400 | ||
1da177e4 LT |
401 | comment "I/O subsystem configuration" |
402 | ||
1da177e4 LT |
403 | config QDIO |
404 | tristate "QDIO support" | |
405 | ---help--- | |
8129ee16 | 406 | This driver provides the Queued Direct I/O base support for |
efca13bc | 407 | IBM System z. |
1da177e4 LT |
408 | |
409 | To compile this driver as a module, choose M here: the | |
410 | module will be called qdio. | |
411 | ||
412 | If unsure, say Y. | |
413 | ||
9d92a7e1 CH |
414 | config CHSC_SCH |
415 | tristate "Support for CHSC subchannels" | |
416 | help | |
417 | This driver allows usage of CHSC subchannels. A CHSC subchannel | |
418 | is usually present on LPAR only. | |
419 | The driver creates a device /dev/chsc, which may be used to | |
420 | obtain I/O configuration information about the machine and | |
421 | to issue asynchronous chsc commands (DANGEROUS). | |
422 | You will usually only want to use this interface on a special | |
423 | LPAR designated for system management. | |
424 | ||
425 | To compile this driver as a module, choose M here: the | |
426 | module will be called chsc_sch. | |
427 | ||
428 | If unsure, say N. | |
429 | ||
1da177e4 LT |
430 | comment "Misc" |
431 | ||
1da177e4 LT |
432 | config IPL |
433 | bool "Builtin IPL record support" | |
434 | help | |
435 | If you want to use the produced kernel to IPL directly from a | |
436 | device, you have to merge a bootsector specific to the device | |
437 | into the first bytes of the kernel. You will have to select the | |
438 | IPL device. | |
439 | ||
440 | choice | |
441 | prompt "IPL method generated into head.S" | |
442 | depends on IPL | |
46e7951f | 443 | default IPL_VM |
1da177e4 LT |
444 | help |
445 | Select "tape" if you want to IPL the image from a Tape. | |
446 | ||
447 | Select "vm_reader" if you are running under VM/ESA and want | |
448 | to IPL the image from the emulated card reader. | |
449 | ||
450 | config IPL_TAPE | |
451 | bool "tape" | |
452 | ||
453 | config IPL_VM | |
454 | bool "vm_reader" | |
455 | ||
456 | endchoice | |
457 | ||
458 | source "fs/Kconfig.binfmt" | |
459 | ||
684de39b HC |
460 | config FORCE_MAX_ZONEORDER |
461 | int | |
462 | default "9" | |
463 | ||
1da177e4 LT |
464 | config PFAULT |
465 | bool "Pseudo page fault support" | |
466 | help | |
467 | Select this option, if you want to use PFAULT pseudo page fault | |
468 | handling under VM. If running native or in LPAR, this option | |
469 | has no effect. If your VM does not support PFAULT, PAGEEX | |
470 | pseudo page fault handling will be used. | |
471 | Note that VM 4.2 supports PFAULT but has a bug in its | |
472 | implementation that causes some problems. | |
473 | Everybody who wants to run Linux under VM != VM4.2 should select | |
474 | this option. | |
475 | ||
476 | config SHARED_KERNEL | |
477 | bool "VM shared kernel support" | |
478 | help | |
479 | Select this option, if you want to share the text segment of the | |
480 | Linux kernel between different VM guests. This reduces memory | |
481 | usage with lots of guests but greatly increases kernel size. | |
9c9c1761 HC |
482 | Also if a kernel was IPL'ed from a shared segment the kexec system |
483 | call will not work. | |
1da177e4 LT |
484 | You should only select this option if you know what you are |
485 | doing and want to exploit this feature. | |
486 | ||
487 | config CMM | |
488 | tristate "Cooperative memory management" | |
489 | help | |
490 | Select this option, if you want to enable the kernel interface | |
491 | to reduce the memory size of the system. This is accomplished | |
492 | by allocating pages of memory and put them "on hold". This only | |
493 | makes sense for a system running under VM where the unused pages | |
494 | will be reused by VM for other guest systems. The interface | |
495 | allows an external monitor to balance memory of many systems. | |
496 | Everybody who wants to run Linux under VM should select this | |
497 | option. | |
498 | ||
1da177e4 LT |
499 | config CMM_IUCV |
500 | bool "IUCV special message interface to cooperative memory management" | |
501 | depends on CMM && (SMSGIUCV=y || CMM=SMSGIUCV) | |
502 | help | |
503 | Select this option to enable the special message interface to | |
504 | the cooperative memory management. | |
505 | ||
1da177e4 LT |
506 | config APPLDATA_BASE |
507 | bool "Linux - VM Monitor Stream, base infrastructure" | |
c185b783 | 508 | depends on PROC_FS |
1da177e4 LT |
509 | help |
510 | This provides a kernel interface for creating and updating z/VM APPLDATA | |
511 | monitor records. The monitor records are updated at certain time | |
512 | intervals, once the timer is started. | |
513 | Writing 1 or 0 to /proc/appldata/timer starts(1) or stops(0) the timer, | |
514 | i.e. enables or disables monitoring on the Linux side. | |
515 | A custom interval value (in seconds) can be written to | |
516 | /proc/appldata/interval. | |
517 | ||
518 | Defaults are 60 seconds interval and timer off. | |
519 | The /proc entries can also be read from, showing the current settings. | |
520 | ||
521 | config APPLDATA_MEM | |
522 | tristate "Monitor memory management statistics" | |
62fb2ba3 | 523 | depends on APPLDATA_BASE && VM_EVENT_COUNTERS |
1da177e4 LT |
524 | help |
525 | This provides memory management related data to the Linux - VM Monitor | |
526 | Stream, like paging/swapping rate, memory utilisation, etc. | |
527 | Writing 1 or 0 to /proc/appldata/memory creates(1) or removes(0) a z/VM | |
528 | APPLDATA monitor record, i.e. enables or disables monitoring this record | |
529 | on the z/VM side. | |
530 | ||
531 | Default is disabled. | |
532 | The /proc entry can also be read from, showing the current settings. | |
533 | ||
534 | This can also be compiled as a module, which will be called | |
535 | appldata_mem.o. | |
536 | ||
537 | config APPLDATA_OS | |
538 | tristate "Monitor OS statistics" | |
539 | depends on APPLDATA_BASE | |
540 | help | |
541 | This provides OS related data to the Linux - VM Monitor Stream, like | |
542 | CPU utilisation, etc. | |
543 | Writing 1 or 0 to /proc/appldata/os creates(1) or removes(0) a z/VM | |
544 | APPLDATA monitor record, i.e. enables or disables monitoring this record | |
545 | on the z/VM side. | |
546 | ||
547 | Default is disabled. | |
548 | This can also be compiled as a module, which will be called | |
549 | appldata_os.o. | |
550 | ||
551 | config APPLDATA_NET_SUM | |
552 | tristate "Monitor overall network statistics" | |
70193af9 | 553 | depends on APPLDATA_BASE && NET |
1da177e4 LT |
554 | help |
555 | This provides network related data to the Linux - VM Monitor Stream, | |
556 | currently there is only a total sum of network I/O statistics, no | |
557 | per-interface data. | |
558 | Writing 1 or 0 to /proc/appldata/net_sum creates(1) or removes(0) a z/VM | |
559 | APPLDATA monitor record, i.e. enables or disables monitoring this record | |
560 | on the z/VM side. | |
561 | ||
562 | Default is disabled. | |
563 | This can also be compiled as a module, which will be called | |
564 | appldata_net_sum.o. | |
565 | ||
61d48c2c MS |
566 | source kernel/Kconfig.hz |
567 | ||
24bbb1fa MH |
568 | config S390_HYPFS_FS |
569 | bool "s390 hypervisor file system support" | |
570 | select SYS_HYPERVISOR | |
571 | default y | |
572 | help | |
573 | This is a virtual file system intended to provide accounting | |
574 | information in an s390 hypervisor environment. | |
575 | ||
cf13f0ea | 576 | config KEXEC |
07d43ce6 | 577 | bool "kexec system call" |
cf13f0ea HC |
578 | help |
579 | kexec is a system call that implements the ability to shutdown your | |
580 | current kernel, and to start another kernel. It is like a reboot | |
581 | but is independent of hardware/microcode support. | |
582 | ||
411ed322 | 583 | config ZFCPDUMP |
59f2e69d | 584 | bool "zfcpdump support" |
411ed322 MH |
585 | select SMP |
586 | default n | |
587 | help | |
588 | Select this option if you want to build an zfcpdump enabled kernel. | |
e403149c | 589 | Refer to <file:Documentation/s390/zfcpdump.txt> for more details on this. |
411ed322 | 590 | |
fa587743 | 591 | config S390_GUEST |
20766c08 | 592 | bool "s390 guest support for KVM (EXPERIMENTAL)" |
fa587743 CO |
593 | depends on 64BIT && EXPERIMENTAL |
594 | select VIRTIO | |
595 | select VIRTIO_RING | |
faeba830 | 596 | select VIRTIO_CONSOLE |
fa587743 | 597 | help |
20766c08 CB |
598 | Select this option if you want to run the kernel as a guest under |
599 | the KVM hypervisor. This will add detection for KVM as well as a | |
600 | virtio transport. If KVM is detected, the virtio console will be | |
601 | the default console. | |
bcf5cef7 HC |
602 | |
603 | config SECCOMP | |
604 | bool "Enable seccomp to safely compute untrusted bytecode" | |
605 | depends on PROC_FS | |
606 | default y | |
607 | help | |
608 | This kernel feature is useful for number crunching applications | |
609 | that may need to compute untrusted bytecode during their | |
610 | execution. By using pipes or other transports made available to | |
611 | the process as file descriptors supporting the read/write | |
612 | syscalls, it's possible to isolate those applications in | |
613 | their own address space using seccomp. Once seccomp is | |
614 | enabled via /proc/<pid>/seccomp, it cannot be disabled | |
615 | and the task is only allowed to execute a few safe syscalls | |
616 | defined by each seccomp mode. | |
617 | ||
618 | If unsure, say Y. | |
619 | ||
1da177e4 LT |
620 | endmenu |
621 | ||
155af2f9 HJP |
622 | menu "Power Management" |
623 | ||
624 | source "kernel/power/Kconfig" | |
625 | ||
626 | endmenu | |
627 | ||
d5950b43 SR |
628 | source "net/Kconfig" |
629 | ||
1da177e4 | 630 | config PCMCIA |
61d48c2c | 631 | def_bool n |
1da177e4 | 632 | |
61d48c2c MS |
633 | config CCW |
634 | def_bool y | |
1da177e4 | 635 | |
61d48c2c | 636 | source "drivers/Kconfig" |
1da177e4 LT |
637 | |
638 | source "fs/Kconfig" | |
639 | ||
1da177e4 LT |
640 | source "arch/s390/Kconfig.debug" |
641 | ||
642 | source "security/Kconfig" | |
643 | ||
644 | source "crypto/Kconfig" | |
645 | ||
646 | source "lib/Kconfig" | |
77b455f1 CB |
647 | |
648 | source "arch/s390/kvm/Kconfig" |