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Commit | Line | Data |
---|---|---|
1da177e4 | 1 | config MMU |
61d48c2c | 2 | def_bool y |
1da177e4 | 3 | |
66701b14 | 4 | config ZONE_DMA |
69dbb2f7 | 5 | def_bool y |
66701b14 | 6 | |
2b105ff9 | 7 | config LOCKDEP_SUPPORT |
61d48c2c | 8 | def_bool y |
2b105ff9 | 9 | |
5bdc9b44 | 10 | config STACKTRACE_SUPPORT |
61d48c2c | 11 | def_bool y |
5bdc9b44 | 12 | |
a3afe70b HC |
13 | config HAVE_LATENCYTOP_SUPPORT |
14 | def_bool y | |
15 | ||
1da177e4 LT |
16 | config RWSEM_GENERIC_SPINLOCK |
17 | bool | |
18 | ||
19 | config RWSEM_XCHGADD_ALGORITHM | |
61d48c2c | 20 | def_bool y |
1da177e4 | 21 | |
f0d1b0b3 | 22 | config ARCH_HAS_ILOG2_U32 |
6f9a3c33 | 23 | def_bool n |
f0d1b0b3 DH |
24 | |
25 | config ARCH_HAS_ILOG2_U64 | |
6f9a3c33 | 26 | def_bool n |
f0d1b0b3 | 27 | |
7e33db4e | 28 | config GENERIC_HWEIGHT |
61d48c2c | 29 | def_bool y |
7e33db4e | 30 | |
b020632e MS |
31 | config GENERIC_TIME_VSYSCALL |
32 | def_bool y | |
33 | ||
5a62b192 HC |
34 | config GENERIC_CLOCKEVENTS |
35 | def_bool y | |
36 | ||
c0007f1a | 37 | config GENERIC_BUG |
6f9a3c33 | 38 | def_bool y if BUG |
c0007f1a | 39 | |
52499f40 HC |
40 | config GENERIC_BUG_RELATIVE_POINTERS |
41 | def_bool y | |
42 | ||
23db764d | 43 | config NO_IOMEM |
5ea81769 AV |
44 | def_bool y |
45 | ||
411f0f3e HC |
46 | config NO_DMA |
47 | def_bool y | |
48 | ||
eca577ef FT |
49 | config ARCH_DMA_ADDR_T_64BIT |
50 | def_bool 64BIT | |
51 | ||
b6b40c53 | 52 | config GENERIC_LOCKBREAK |
6f9a3c33 | 53 | def_bool y if SMP && PREEMPT |
b6b40c53 | 54 | |
402b0862 | 55 | config PGSTE |
6f9a3c33 | 56 | def_bool y if KVM |
402b0862 | 57 | |
c185b783 MS |
58 | config VIRT_CPU_ACCOUNTING |
59 | def_bool y | |
60 | ||
6a11f75b AM |
61 | config ARCH_SUPPORTS_DEBUG_PAGEALLOC |
62 | def_bool y | |
63 | ||
347a8dc3 | 64 | config S390 |
61d48c2c | 65 | def_bool y |
ca9fc75a | 66 | select USE_GENERIC_SMP_HELPERS if SMP |
ed6bb619 | 67 | select HAVE_SYSCALL_WRAPPERS |
5d360a75 | 68 | select HAVE_FUNCTION_TRACER |
8b4488f8 | 69 | select HAVE_FUNCTION_TRACE_MCOUNT_TEST |
dfd9f7ab | 70 | select HAVE_FTRACE_MCOUNT_RECORD |
b25c477b | 71 | select HAVE_C_RECORDMCOUNT |
66700001 | 72 | select HAVE_SYSCALL_TRACEPOINTS |
dfd9f7ab | 73 | select HAVE_DYNAMIC_FTRACE |
88dbd203 | 74 | select HAVE_FUNCTION_GRAPH_TRACER |
952974ac | 75 | select HAVE_REGS_AND_STACK_ACCESS_API |
42d4b839 | 76 | select HAVE_OPROFILE |
3f550096 | 77 | select HAVE_KPROBES |
9edddaa2 | 78 | select HAVE_KRETPROBES |
77b455f1 | 79 | select HAVE_KVM if 64BIT |
753c4dd6 | 80 | select HAVE_ARCH_TRACEHOOK |
98a79d6a | 81 | select INIT_ALL_POSSIBLE |
e360adbe | 82 | select HAVE_IRQ_WORK |
cdd6c482 | 83 | select HAVE_PERF_EVENTS |
1844c9bc MS |
84 | select HAVE_KERNEL_GZIP |
85 | select HAVE_KERNEL_BZIP2 | |
86 | select HAVE_KERNEL_LZMA | |
cdf56649 | 87 | select HAVE_KERNEL_LZO |
d7b081ac | 88 | select HAVE_KERNEL_XZ |
80217147 | 89 | select HAVE_GET_USER_PAGES_FAST |
34b133f8 | 90 | select HAVE_ARCH_MUTEX_CPU_RELAX |
5373db88 | 91 | select HAVE_ARCH_JUMP_LABEL if !MARCH_G5 |
36409f63 | 92 | select HAVE_RCU_TABLE_FREE if SMP |
6beb0009 TG |
93 | select ARCH_INLINE_SPIN_TRYLOCK |
94 | select ARCH_INLINE_SPIN_TRYLOCK_BH | |
95 | select ARCH_INLINE_SPIN_LOCK | |
96 | select ARCH_INLINE_SPIN_LOCK_BH | |
97 | select ARCH_INLINE_SPIN_LOCK_IRQ | |
98 | select ARCH_INLINE_SPIN_LOCK_IRQSAVE | |
99 | select ARCH_INLINE_SPIN_UNLOCK | |
100 | select ARCH_INLINE_SPIN_UNLOCK_BH | |
101 | select ARCH_INLINE_SPIN_UNLOCK_IRQ | |
102 | select ARCH_INLINE_SPIN_UNLOCK_IRQRESTORE | |
103 | select ARCH_INLINE_READ_TRYLOCK | |
104 | select ARCH_INLINE_READ_LOCK | |
105 | select ARCH_INLINE_READ_LOCK_BH | |
106 | select ARCH_INLINE_READ_LOCK_IRQ | |
107 | select ARCH_INLINE_READ_LOCK_IRQSAVE | |
108 | select ARCH_INLINE_READ_UNLOCK | |
109 | select ARCH_INLINE_READ_UNLOCK_BH | |
110 | select ARCH_INLINE_READ_UNLOCK_IRQ | |
111 | select ARCH_INLINE_READ_UNLOCK_IRQRESTORE | |
112 | select ARCH_INLINE_WRITE_TRYLOCK | |
113 | select ARCH_INLINE_WRITE_LOCK | |
114 | select ARCH_INLINE_WRITE_LOCK_BH | |
115 | select ARCH_INLINE_WRITE_LOCK_IRQ | |
116 | select ARCH_INLINE_WRITE_LOCK_IRQSAVE | |
117 | select ARCH_INLINE_WRITE_UNLOCK | |
118 | select ARCH_INLINE_WRITE_UNLOCK_BH | |
119 | select ARCH_INLINE_WRITE_UNLOCK_IRQ | |
120 | select ARCH_INLINE_WRITE_UNLOCK_IRQRESTORE | |
1da177e4 | 121 | |
fca3e357 | 122 | config SCHED_OMIT_FRAME_POINTER |
6f9a3c33 | 123 | def_bool y |
fca3e357 | 124 | |
1da177e4 LT |
125 | source "init/Kconfig" |
126 | ||
dc52ddc0 MH |
127 | source "kernel/Kconfig.freezer" |
128 | ||
1da177e4 LT |
129 | menu "Base setup" |
130 | ||
131 | comment "Processor type and features" | |
132 | ||
5a62b192 HC |
133 | source "kernel/time/Kconfig" |
134 | ||
347a8dc3 | 135 | config 64BIT |
6f9a3c33 MS |
136 | def_bool y |
137 | prompt "64 bit kernel" | |
1da177e4 | 138 | help |
db81a23d | 139 | Select this option if you have an IBM z/Architecture machine |
1da177e4 LT |
140 | and want to use the 64 bit addressing mode. |
141 | ||
d9f7a745 | 142 | config 32BIT |
6f9a3c33 | 143 | def_bool y if !64BIT |
d9f7a745 | 144 | |
07606309 MS |
145 | config KTIME_SCALAR |
146 | def_bool 32BIT | |
147 | ||
1da177e4 | 148 | config SMP |
6f9a3c33 MS |
149 | def_bool y |
150 | prompt "Symmetric multi-processing support" | |
1da177e4 LT |
151 | ---help--- |
152 | This enables support for systems with more than one CPU. If you have | |
153 | a system with only one CPU, like most personal computers, say N. If | |
154 | you have a system with more than one CPU, say Y. | |
155 | ||
156 | If you say N here, the kernel will run on single and multiprocessor | |
157 | machines, but will use only one CPU of a multiprocessor machine. If | |
158 | you say Y here, the kernel will run on many, but not all, | |
159 | singleprocessor machines. On a singleprocessor machine, the kernel | |
160 | will run faster if you say N here. | |
161 | ||
03502faa AB |
162 | See also the SMP-HOWTO available at |
163 | <http://www.tldp.org/docs.html#howto>. | |
1da177e4 LT |
164 | |
165 | Even if you don't know what to do here, say Y. | |
166 | ||
167 | config NR_CPUS | |
168 | int "Maximum number of CPUs (2-64)" | |
169 | range 2 64 | |
170 | depends on SMP | |
057c5cb3 HC |
171 | default "32" if !64BIT |
172 | default "64" if 64BIT | |
1da177e4 LT |
173 | help |
174 | This allows you to specify the maximum number of CPUs which this | |
175 | kernel will support. The maximum supported value is 64 and the | |
176 | minimum value which makes sense is 2. | |
177 | ||
178 | This is purely to save memory - each supported CPU adds | |
179 | approximately sixteen kilobytes to the kernel image. | |
180 | ||
181 | config HOTPLUG_CPU | |
6f9a3c33 MS |
182 | def_bool y |
183 | prompt "Support for hot-pluggable CPUs" | |
1da177e4 LT |
184 | depends on SMP |
185 | select HOTPLUG | |
1da177e4 LT |
186 | help |
187 | Say Y here to be able to turn CPUs off and on. CPUs | |
188 | can be controlled through /sys/devices/system/cpu/cpu#. | |
189 | Say N if you want to disable CPU hotplug. | |
190 | ||
8d11e021 HC |
191 | config SCHED_MC |
192 | def_bool y | |
193 | prompt "Multi-core scheduler support" | |
194 | depends on SMP | |
195 | help | |
196 | Multi-core scheduler support improves the CPU scheduler's decision | |
197 | making when dealing with multi-core CPU chips at a cost of slightly | |
198 | increased overhead in some places. | |
199 | ||
4cb14bc8 | 200 | config SCHED_BOOK |
6f9a3c33 MS |
201 | def_bool y |
202 | prompt "Book scheduler support" | |
8d11e021 | 203 | depends on SMP && SCHED_MC |
4cb14bc8 HC |
204 | help |
205 | Book scheduler support improves the CPU scheduler's decision making | |
206 | when dealing with machines that have several books. | |
207 | ||
1da177e4 | 208 | config MATHEMU |
6f9a3c33 MS |
209 | def_bool y |
210 | prompt "IEEE FPU emulation" | |
1da177e4 LT |
211 | depends on MARCH_G5 |
212 | help | |
213 | This option is required for IEEE compliant floating point arithmetic | |
db81a23d | 214 | on older ESA/390 machines. Say Y unless you know your machine doesn't |
1da177e4 LT |
215 | need this. |
216 | ||
347a8dc3 | 217 | config COMPAT |
6f9a3c33 MS |
218 | def_bool y |
219 | prompt "Kernel support for 31 bit emulation" | |
347a8dc3 | 220 | depends on 64BIT |
63506c41 | 221 | select COMPAT_BINFMT_ELF |
1da177e4 LT |
222 | help |
223 | Select this option if you want to enable your system kernel to | |
224 | handle system-calls from ELF binaries for 31 bit ESA. This option | |
225 | (and some other stuff like libraries and such) is needed for | |
226 | executing 31 bit applications. It is safe to say "Y". | |
227 | ||
1da177e4 | 228 | config SYSVIPC_COMPAT |
6f9a3c33 | 229 | def_bool y if COMPAT && SYSVIPC |
1da177e4 | 230 | |
e65e1fc2 | 231 | config AUDIT_ARCH |
6f9a3c33 | 232 | def_bool y |
e65e1fc2 | 233 | |
1da177e4 LT |
234 | comment "Code generation options" |
235 | ||
236 | choice | |
237 | prompt "Processor type" | |
238 | default MARCH_G5 | |
239 | ||
240 | config MARCH_G5 | |
db81a23d | 241 | bool "System/390 model G5 and G6" |
347a8dc3 | 242 | depends on !64BIT |
1da177e4 LT |
243 | help |
244 | Select this to build a 31 bit kernel that works | |
db81a23d | 245 | on all ESA/390 and z/Architecture machines. |
1da177e4 LT |
246 | |
247 | config MARCH_Z900 | |
db81a23d | 248 | bool "IBM zSeries model z800 and z900" |
1da177e4 | 249 | help |
db81a23d HC |
250 | Select this to enable optimizations for model z800/z900 (2064 and |
251 | 2066 series). This will enable some optimizations that are not | |
252 | available on older ESA/390 (31 Bit) only CPUs. | |
1da177e4 LT |
253 | |
254 | config MARCH_Z990 | |
db81a23d | 255 | bool "IBM zSeries model z890 and z990" |
1da177e4 | 256 | help |
db81a23d HC |
257 | Select this to enable optimizations for model z890/z990 (2084 and |
258 | 2086 series). The kernel will be slightly faster but will not work | |
259 | on older machines. | |
1da177e4 | 260 | |
0efa4703 CB |
261 | config MARCH_Z9_109 |
262 | bool "IBM System z9" | |
263 | help | |
db81a23d HC |
264 | Select this to enable optimizations for IBM System z9 (2094 and |
265 | 2096 series). The kernel will be slightly faster but will not work | |
266 | on older machines. | |
0efa4703 | 267 | |
e37f50e1 MS |
268 | config MARCH_Z10 |
269 | bool "IBM System z10" | |
270 | help | |
db81a23d HC |
271 | Select this to enable optimizations for IBM System z10 (2097 and |
272 | 2098 series). The kernel will be slightly faster but will not work | |
273 | on older machines. | |
e37f50e1 | 274 | |
f861e405 HC |
275 | config MARCH_Z196 |
276 | bool "IBM zEnterprise 196" | |
277 | help | |
db81a23d HC |
278 | Select this to enable optimizations for IBM zEnterprise 196 |
279 | (2817 series). The kernel will be slightly faster but will not work | |
280 | on older machines. | |
f861e405 | 281 | |
1da177e4 LT |
282 | endchoice |
283 | ||
284 | config PACK_STACK | |
6f9a3c33 MS |
285 | def_bool y |
286 | prompt "Pack kernel stack" | |
1da177e4 LT |
287 | help |
288 | This option enables the compiler option -mkernel-backchain if it | |
289 | is available. If the option is available the compiler supports | |
290 | the new stack layout which dramatically reduces the minimum stack | |
291 | frame size. With an old compiler a non-leaf function needs a | |
292 | minimum of 96 bytes on 31 bit and 160 bytes on 64 bit. With | |
293 | -mkernel-backchain the minimum size drops to 16 byte on 31 bit | |
294 | and 24 byte on 64 bit. | |
295 | ||
296 | Say Y if you are unsure. | |
297 | ||
298 | config SMALL_STACK | |
6f9a3c33 MS |
299 | def_bool n |
300 | prompt "Use 8kb for kernel stack instead of 16kb" | |
7f5a8ba6 | 301 | depends on PACK_STACK && 64BIT && !LOCKDEP |
1da177e4 LT |
302 | help |
303 | If you say Y here and the compiler supports the -mkernel-backchain | |
7f5a8ba6 HC |
304 | option the kernel will use a smaller kernel stack size. The reduced |
305 | size is 8kb instead of 16kb. This allows to run more threads on a | |
306 | system and reduces the pressure on the memory management for higher | |
307 | order page allocations. | |
1da177e4 LT |
308 | |
309 | Say N if you are unsure. | |
310 | ||
1da177e4 | 311 | config CHECK_STACK |
6f9a3c33 MS |
312 | def_bool y |
313 | prompt "Detect kernel stack overflow" | |
1da177e4 LT |
314 | help |
315 | This option enables the compiler option -mstack-guard and | |
316 | -mstack-size if they are available. If the compiler supports them | |
317 | it will emit additional code to each function prolog to trigger | |
318 | an illegal operation if the kernel stack is about to overflow. | |
319 | ||
320 | Say N if you are unsure. | |
321 | ||
322 | config STACK_GUARD | |
323 | int "Size of the guard area (128-1024)" | |
324 | range 128 1024 | |
325 | depends on CHECK_STACK | |
326 | default "256" | |
327 | help | |
328 | This allows you to specify the size of the guard area at the lower | |
329 | end of the kernel stack. If the kernel stack points into the guard | |
330 | area on function entry an illegal operation is triggered. The size | |
331 | needs to be a power of 2. Please keep in mind that the size of an | |
332 | interrupt frame is 184 bytes for 31 bit and 328 bytes on 64 bit. | |
333 | The minimum size for the stack guard should be 256 for 31 bit and | |
334 | 512 for 64 bit. | |
335 | ||
2c190da4 | 336 | config WARN_DYNAMIC_STACK |
6f9a3c33 | 337 | def_bool n |
2c190da4 | 338 | prompt "Emit compiler warnings for function with dynamic stack usage" |
1da177e4 | 339 | help |
2c190da4 JG |
340 | This option enables the compiler option -mwarn-dynamicstack. If the |
341 | compiler supports this options generates warnings for functions | |
342 | that dynamically allocate stack space using alloca. | |
1da177e4 LT |
343 | |
344 | Say N if you are unsure. | |
345 | ||
39b742f9 HC |
346 | config ARCH_POPULATES_NODE_MAP |
347 | def_bool y | |
348 | ||
61d48c2c MS |
349 | comment "Kernel preemption" |
350 | ||
351 | source "kernel/Kconfig.preempt" | |
352 | ||
17f34580 HC |
353 | config ARCH_SPARSEMEM_ENABLE |
354 | def_bool y | |
355 | select SPARSEMEM_VMEMMAP_ENABLE | |
356 | select SPARSEMEM_VMEMMAP | |
148f1678 | 357 | select SPARSEMEM_STATIC if !64BIT |
17f34580 HC |
358 | |
359 | config ARCH_SPARSEMEM_DEFAULT | |
360 | def_bool y | |
361 | ||
97195d6b | 362 | config ARCH_SELECT_MEMORY_MODEL |
6f9a3c33 | 363 | def_bool y |
97195d6b | 364 | |
421c175c | 365 | config ARCH_ENABLE_MEMORY_HOTPLUG |
6f9a3c33 | 366 | def_bool y if SPARSEMEM |
421c175c | 367 | |
7e9238fb GS |
368 | config ARCH_ENABLE_MEMORY_HOTREMOVE |
369 | def_bool y | |
370 | ||
155af2f9 | 371 | config ARCH_HIBERNATION_POSSIBLE |
6f9a3c33 | 372 | def_bool y if 64BIT |
155af2f9 | 373 | |
3f22ab27 DH |
374 | source "mm/Kconfig" |
375 | ||
1da177e4 LT |
376 | comment "I/O subsystem configuration" |
377 | ||
1da177e4 | 378 | config QDIO |
6f9a3c33 MS |
379 | def_tristate y |
380 | prompt "QDIO support" | |
1da177e4 | 381 | ---help--- |
8129ee16 | 382 | This driver provides the Queued Direct I/O base support for |
efca13bc | 383 | IBM System z. |
1da177e4 LT |
384 | |
385 | To compile this driver as a module, choose M here: the | |
386 | module will be called qdio. | |
387 | ||
388 | If unsure, say Y. | |
389 | ||
9d92a7e1 | 390 | config CHSC_SCH |
d9c11b1e | 391 | def_tristate m |
6f9a3c33 | 392 | prompt "Support for CHSC subchannels" |
9d92a7e1 CH |
393 | help |
394 | This driver allows usage of CHSC subchannels. A CHSC subchannel | |
395 | is usually present on LPAR only. | |
396 | The driver creates a device /dev/chsc, which may be used to | |
397 | obtain I/O configuration information about the machine and | |
398 | to issue asynchronous chsc commands (DANGEROUS). | |
399 | You will usually only want to use this interface on a special | |
400 | LPAR designated for system management. | |
401 | ||
402 | To compile this driver as a module, choose M here: the | |
403 | module will be called chsc_sch. | |
404 | ||
405 | If unsure, say N. | |
406 | ||
1da177e4 LT |
407 | comment "Misc" |
408 | ||
1da177e4 | 409 | config IPL |
6f9a3c33 MS |
410 | def_bool y |
411 | prompt "Builtin IPL record support" | |
1da177e4 LT |
412 | help |
413 | If you want to use the produced kernel to IPL directly from a | |
414 | device, you have to merge a bootsector specific to the device | |
415 | into the first bytes of the kernel. You will have to select the | |
416 | IPL device. | |
417 | ||
418 | choice | |
419 | prompt "IPL method generated into head.S" | |
420 | depends on IPL | |
46e7951f | 421 | default IPL_VM |
1da177e4 LT |
422 | help |
423 | Select "tape" if you want to IPL the image from a Tape. | |
424 | ||
425 | Select "vm_reader" if you are running under VM/ESA and want | |
426 | to IPL the image from the emulated card reader. | |
427 | ||
428 | config IPL_TAPE | |
429 | bool "tape" | |
430 | ||
431 | config IPL_VM | |
432 | bool "vm_reader" | |
433 | ||
434 | endchoice | |
435 | ||
436 | source "fs/Kconfig.binfmt" | |
437 | ||
684de39b HC |
438 | config FORCE_MAX_ZONEORDER |
439 | int | |
440 | default "9" | |
441 | ||
1da177e4 | 442 | config PFAULT |
6f9a3c33 MS |
443 | def_bool y |
444 | prompt "Pseudo page fault support" | |
1da177e4 LT |
445 | help |
446 | Select this option, if you want to use PFAULT pseudo page fault | |
447 | handling under VM. If running native or in LPAR, this option | |
448 | has no effect. If your VM does not support PFAULT, PAGEEX | |
449 | pseudo page fault handling will be used. | |
450 | Note that VM 4.2 supports PFAULT but has a bug in its | |
451 | implementation that causes some problems. | |
452 | Everybody who wants to run Linux under VM != VM4.2 should select | |
453 | this option. | |
454 | ||
455 | config SHARED_KERNEL | |
6f9a3c33 MS |
456 | def_bool y |
457 | prompt "VM shared kernel support" | |
1da177e4 LT |
458 | help |
459 | Select this option, if you want to share the text segment of the | |
460 | Linux kernel between different VM guests. This reduces memory | |
461 | usage with lots of guests but greatly increases kernel size. | |
9c9c1761 HC |
462 | Also if a kernel was IPL'ed from a shared segment the kexec system |
463 | call will not work. | |
1da177e4 LT |
464 | You should only select this option if you know what you are |
465 | doing and want to exploit this feature. | |
466 | ||
467 | config CMM | |
6f9a3c33 MS |
468 | def_tristate n |
469 | prompt "Cooperative memory management" | |
1da177e4 LT |
470 | help |
471 | Select this option, if you want to enable the kernel interface | |
472 | to reduce the memory size of the system. This is accomplished | |
473 | by allocating pages of memory and put them "on hold". This only | |
474 | makes sense for a system running under VM where the unused pages | |
475 | will be reused by VM for other guest systems. The interface | |
476 | allows an external monitor to balance memory of many systems. | |
477 | Everybody who wants to run Linux under VM should select this | |
478 | option. | |
479 | ||
1da177e4 | 480 | config CMM_IUCV |
6f9a3c33 MS |
481 | def_bool y |
482 | prompt "IUCV special message interface to cooperative memory management" | |
1da177e4 LT |
483 | depends on CMM && (SMSGIUCV=y || CMM=SMSGIUCV) |
484 | help | |
485 | Select this option to enable the special message interface to | |
486 | the cooperative memory management. | |
487 | ||
1da177e4 | 488 | config APPLDATA_BASE |
6f9a3c33 MS |
489 | def_bool n |
490 | prompt "Linux - VM Monitor Stream, base infrastructure" | |
c185b783 | 491 | depends on PROC_FS |
1da177e4 LT |
492 | help |
493 | This provides a kernel interface for creating and updating z/VM APPLDATA | |
494 | monitor records. The monitor records are updated at certain time | |
495 | intervals, once the timer is started. | |
496 | Writing 1 or 0 to /proc/appldata/timer starts(1) or stops(0) the timer, | |
497 | i.e. enables or disables monitoring on the Linux side. | |
498 | A custom interval value (in seconds) can be written to | |
499 | /proc/appldata/interval. | |
500 | ||
501 | Defaults are 60 seconds interval and timer off. | |
502 | The /proc entries can also be read from, showing the current settings. | |
503 | ||
504 | config APPLDATA_MEM | |
6f9a3c33 MS |
505 | def_tristate m |
506 | prompt "Monitor memory management statistics" | |
62fb2ba3 | 507 | depends on APPLDATA_BASE && VM_EVENT_COUNTERS |
1da177e4 LT |
508 | help |
509 | This provides memory management related data to the Linux - VM Monitor | |
510 | Stream, like paging/swapping rate, memory utilisation, etc. | |
511 | Writing 1 or 0 to /proc/appldata/memory creates(1) or removes(0) a z/VM | |
512 | APPLDATA monitor record, i.e. enables or disables monitoring this record | |
513 | on the z/VM side. | |
514 | ||
515 | Default is disabled. | |
516 | The /proc entry can also be read from, showing the current settings. | |
517 | ||
518 | This can also be compiled as a module, which will be called | |
519 | appldata_mem.o. | |
520 | ||
521 | config APPLDATA_OS | |
6f9a3c33 MS |
522 | def_tristate m |
523 | prompt "Monitor OS statistics" | |
1da177e4 LT |
524 | depends on APPLDATA_BASE |
525 | help | |
526 | This provides OS related data to the Linux - VM Monitor Stream, like | |
527 | CPU utilisation, etc. | |
528 | Writing 1 or 0 to /proc/appldata/os creates(1) or removes(0) a z/VM | |
529 | APPLDATA monitor record, i.e. enables or disables monitoring this record | |
530 | on the z/VM side. | |
531 | ||
532 | Default is disabled. | |
533 | This can also be compiled as a module, which will be called | |
534 | appldata_os.o. | |
535 | ||
536 | config APPLDATA_NET_SUM | |
6f9a3c33 MS |
537 | def_tristate m |
538 | prompt "Monitor overall network statistics" | |
70193af9 | 539 | depends on APPLDATA_BASE && NET |
1da177e4 LT |
540 | help |
541 | This provides network related data to the Linux - VM Monitor Stream, | |
542 | currently there is only a total sum of network I/O statistics, no | |
543 | per-interface data. | |
544 | Writing 1 or 0 to /proc/appldata/net_sum creates(1) or removes(0) a z/VM | |
545 | APPLDATA monitor record, i.e. enables or disables monitoring this record | |
546 | on the z/VM side. | |
547 | ||
548 | Default is disabled. | |
549 | This can also be compiled as a module, which will be called | |
550 | appldata_net_sum.o. | |
551 | ||
61d48c2c MS |
552 | source kernel/Kconfig.hz |
553 | ||
24bbb1fa | 554 | config S390_HYPFS_FS |
6f9a3c33 MS |
555 | def_bool y |
556 | prompt "s390 hypervisor file system support" | |
24bbb1fa | 557 | select SYS_HYPERVISOR |
24bbb1fa MH |
558 | help |
559 | This is a virtual file system intended to provide accounting | |
560 | information in an s390 hypervisor environment. | |
561 | ||
cf13f0ea | 562 | config KEXEC |
6f9a3c33 MS |
563 | def_bool n |
564 | prompt "kexec system call" | |
cf13f0ea HC |
565 | help |
566 | kexec is a system call that implements the ability to shutdown your | |
567 | current kernel, and to start another kernel. It is like a reboot | |
568 | but is independent of hardware/microcode support. | |
569 | ||
411ed322 | 570 | config ZFCPDUMP |
6f9a3c33 MS |
571 | def_bool n |
572 | prompt "zfcpdump support" | |
411ed322 | 573 | select SMP |
411ed322 MH |
574 | help |
575 | Select this option if you want to build an zfcpdump enabled kernel. | |
e403149c | 576 | Refer to <file:Documentation/s390/zfcpdump.txt> for more details on this. |
411ed322 | 577 | |
fa587743 | 578 | config S390_GUEST |
6f9a3c33 MS |
579 | def_bool y |
580 | prompt "s390 guest support for KVM (EXPERIMENTAL)" | |
fa587743 CO |
581 | depends on 64BIT && EXPERIMENTAL |
582 | select VIRTIO | |
583 | select VIRTIO_RING | |
faeba830 | 584 | select VIRTIO_CONSOLE |
fa587743 | 585 | help |
20766c08 CB |
586 | Select this option if you want to run the kernel as a guest under |
587 | the KVM hypervisor. This will add detection for KVM as well as a | |
588 | virtio transport. If KVM is detected, the virtio console will be | |
589 | the default console. | |
bcf5cef7 HC |
590 | |
591 | config SECCOMP | |
6f9a3c33 MS |
592 | def_bool y |
593 | prompt "Enable seccomp to safely compute untrusted bytecode" | |
bcf5cef7 | 594 | depends on PROC_FS |
bcf5cef7 HC |
595 | help |
596 | This kernel feature is useful for number crunching applications | |
597 | that may need to compute untrusted bytecode during their | |
598 | execution. By using pipes or other transports made available to | |
599 | the process as file descriptors supporting the read/write | |
600 | syscalls, it's possible to isolate those applications in | |
601 | their own address space using seccomp. Once seccomp is | |
602 | enabled via /proc/<pid>/seccomp, it cannot be disabled | |
603 | and the task is only allowed to execute a few safe syscalls | |
604 | defined by each seccomp mode. | |
605 | ||
606 | If unsure, say Y. | |
607 | ||
1da177e4 LT |
608 | endmenu |
609 | ||
155af2f9 HJP |
610 | menu "Power Management" |
611 | ||
612 | source "kernel/power/Kconfig" | |
613 | ||
614 | endmenu | |
615 | ||
d5950b43 SR |
616 | source "net/Kconfig" |
617 | ||
1da177e4 | 618 | config PCMCIA |
61d48c2c | 619 | def_bool n |
1da177e4 | 620 | |
61d48c2c MS |
621 | config CCW |
622 | def_bool y | |
1da177e4 | 623 | |
61d48c2c | 624 | source "drivers/Kconfig" |
1da177e4 LT |
625 | |
626 | source "fs/Kconfig" | |
627 | ||
1da177e4 LT |
628 | source "arch/s390/Kconfig.debug" |
629 | ||
630 | source "security/Kconfig" | |
631 | ||
632 | source "crypto/Kconfig" | |
633 | ||
634 | source "lib/Kconfig" | |
77b455f1 CB |
635 | |
636 | source "arch/s390/kvm/Kconfig" |