]>
Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | # |
2 | # For a description of the syntax of this configuration file, | |
3 | # see Documentation/kbuild/kconfig-language.txt. | |
4 | # | |
5 | ||
6 | mainmenu "IA-64 Linux Kernel Configuration" | |
7 | ||
8 | source "init/Kconfig" | |
9 | ||
10 | menu "Processor type and features" | |
11 | ||
12 | config IA64 | |
13 | bool | |
06f87adf LB |
14 | select PCI if (!IA64_HP_SIM) |
15 | select ACPI if (!IA64_HP_SIM) | |
8140a90e | 16 | select PM if (!IA64_HP_SIM) |
f282b970 | 17 | select ARCH_SUPPORTS_MSI |
1da177e4 LT |
18 | default y |
19 | help | |
20 | The Itanium Processor Family is Intel's 64-bit successor to | |
21 | the 32-bit X86 line. The IA-64 Linux project has a home | |
22 | page at <http://www.linuxia64.org/> and a mailing list at | |
23 | <linux-ia64@vger.kernel.org>. | |
24 | ||
25 | config 64BIT | |
26 | bool | |
9f271d57 | 27 | select ATA_NONSTANDARD if ATA |
1da177e4 LT |
28 | default y |
29 | ||
66701b14 | 30 | config ZONE_DMA |
09ae1f58 CL |
31 | def_bool y |
32 | depends on !IA64_SGI_SN2 | |
66701b14 | 33 | |
2bd62a40 CL |
34 | config QUICKLIST |
35 | bool | |
36 | default y | |
37 | ||
1da177e4 LT |
38 | config MMU |
39 | bool | |
40 | default y | |
41 | ||
6c654b5f JL |
42 | config SWIOTLB |
43 | bool | |
6c654b5f | 44 | |
1da177e4 LT |
45 | config RWSEM_XCHGADD_ALGORITHM |
46 | bool | |
47 | default y | |
48 | ||
f0d1b0b3 DH |
49 | config ARCH_HAS_ILOG2_U32 |
50 | bool | |
51 | default n | |
52 | ||
53 | config ARCH_HAS_ILOG2_U64 | |
54 | bool | |
55 | default n | |
56 | ||
2875aef8 AM |
57 | config GENERIC_FIND_NEXT_BIT |
58 | bool | |
59 | default y | |
60 | ||
1da177e4 LT |
61 | config GENERIC_CALIBRATE_DELAY |
62 | bool | |
63 | default y | |
64 | ||
65 | config TIME_INTERPOLATION | |
66 | bool | |
67 | default y | |
68 | ||
3ed3bce8 MD |
69 | config DMI |
70 | bool | |
71 | default y | |
72 | ||
1da177e4 LT |
73 | config EFI |
74 | bool | |
75 | default y | |
76 | ||
77 | config GENERIC_IOMAP | |
78 | bool | |
79 | default y | |
80 | ||
7d12e522 AB |
81 | config SCHED_NO_NO_OMIT_FRAME_POINTER |
82 | bool | |
83 | default y | |
84 | ||
f14f75b8 JS |
85 | config IA64_UNCACHED_ALLOCATOR |
86 | bool | |
87 | select GENERIC_ALLOCATOR | |
88 | ||
e65e1fc2 AV |
89 | config AUDIT_ARCH |
90 | bool | |
91 | default y | |
92 | ||
1da177e4 LT |
93 | choice |
94 | prompt "System type" | |
95 | default IA64_GENERIC | |
96 | ||
97 | config IA64_GENERIC | |
98 | bool "generic" | |
99 | select NUMA | |
100 | select ACPI_NUMA | |
d1598e05 | 101 | select SWIOTLB |
1da177e4 LT |
102 | help |
103 | This selects the system type of your hardware. A "generic" kernel | |
104 | will run on any supported IA-64 system. However, if you configure | |
105 | a kernel for your specific system, it will be faster and smaller. | |
106 | ||
107 | generic For any supported IA-64 system | |
108 | DIG-compliant For DIG ("Developer's Interface Guide") compliant systems | |
109 | HP-zx1/sx1000 For HP systems | |
110 | HP-zx1/sx1000+swiotlb For HP systems with (broken) DMA-constrained devices. | |
111 | SGI-SN2 For SGI Altix systems | |
112 | Ski-simulator For the HP simulator <http://www.hpl.hp.com/research/linux/ski/> | |
113 | ||
114 | If you don't know what to do, choose "generic". | |
115 | ||
116 | config IA64_DIG | |
117 | bool "DIG-compliant" | |
d1598e05 | 118 | select SWIOTLB |
1da177e4 LT |
119 | |
120 | config IA64_HP_ZX1 | |
121 | bool "HP-zx1/sx1000" | |
122 | help | |
123 | Build a kernel that runs on HP zx1 and sx1000 systems. This adds | |
124 | support for the HP I/O MMU. | |
125 | ||
126 | config IA64_HP_ZX1_SWIOTLB | |
127 | bool "HP-zx1/sx1000 with software I/O TLB" | |
d1598e05 | 128 | select SWIOTLB |
1da177e4 LT |
129 | help |
130 | Build a kernel that runs on HP zx1 and sx1000 systems even when they | |
131 | have broken PCI devices which cannot DMA to full 32 bits. Apart | |
132 | from support for the HP I/O MMU, this includes support for the software | |
133 | I/O TLB, which allows supporting the broken devices at the expense of | |
134 | wasting some kernel memory (about 2MB by default). | |
135 | ||
136 | config IA64_SGI_SN2 | |
137 | bool "SGI-SN2" | |
138 | help | |
139 | Selecting this option will optimize the kernel for use on sn2 based | |
140 | systems, but the resulting kernel binary will not run on other | |
141 | types of ia64 systems. If you have an SGI Altix system, it's safe | |
142 | to select this option. If in doubt, select ia64 generic support | |
143 | instead. | |
144 | ||
145 | config IA64_HP_SIM | |
146 | bool "Ski-simulator" | |
d1598e05 | 147 | select SWIOTLB |
1da177e4 LT |
148 | |
149 | endchoice | |
150 | ||
151 | choice | |
152 | prompt "Processor type" | |
153 | default ITANIUM | |
154 | ||
155 | config ITANIUM | |
156 | bool "Itanium" | |
157 | help | |
158 | Select your IA-64 processor type. The default is Itanium. | |
159 | This choice is safe for all IA-64 systems, but may not perform | |
160 | optimally on systems with, say, Itanium 2 or newer processors. | |
161 | ||
162 | config MCKINLEY | |
163 | bool "Itanium 2" | |
164 | help | |
165 | Select this to configure for an Itanium 2 (McKinley) processor. | |
166 | ||
167 | endchoice | |
168 | ||
169 | choice | |
170 | prompt "Kernel page size" | |
171 | default IA64_PAGE_SIZE_16KB | |
172 | ||
173 | config IA64_PAGE_SIZE_4KB | |
174 | bool "4KB" | |
175 | help | |
176 | This lets you select the page size of the kernel. For best IA-64 | |
177 | performance, a page size of 8KB or 16KB is recommended. For best | |
178 | IA-32 compatibility, a page size of 4KB should be selected (the vast | |
179 | majority of IA-32 binaries work perfectly fine with a larger page | |
180 | size). For Itanium 2 or newer systems, a page size of 64KB can also | |
181 | be selected. | |
182 | ||
183 | 4KB For best IA-32 compatibility | |
184 | 8KB For best IA-64 performance | |
185 | 16KB For best IA-64 performance | |
186 | 64KB Requires Itanium 2 or newer processor. | |
187 | ||
188 | If you don't know what to do, choose 16KB. | |
189 | ||
190 | config IA64_PAGE_SIZE_8KB | |
191 | bool "8KB" | |
192 | ||
193 | config IA64_PAGE_SIZE_16KB | |
194 | bool "16KB" | |
195 | ||
196 | config IA64_PAGE_SIZE_64KB | |
197 | depends on !ITANIUM | |
198 | bool "64KB" | |
199 | ||
200 | endchoice | |
201 | ||
837cd0bd RH |
202 | choice |
203 | prompt "Page Table Levels" | |
204 | default PGTABLE_3 | |
205 | ||
206 | config PGTABLE_3 | |
207 | bool "3 Levels" | |
208 | ||
209 | config PGTABLE_4 | |
210 | depends on !IA64_PAGE_SIZE_64KB | |
211 | bool "4 Levels" | |
212 | ||
213 | endchoice | |
214 | ||
b5d23e5b CL |
215 | source kernel/Kconfig.hz |
216 | ||
1da177e4 LT |
217 | config IA64_BRL_EMU |
218 | bool | |
219 | depends on ITANIUM | |
220 | default y | |
221 | ||
222 | # align cache-sensitive data to 128 bytes | |
223 | config IA64_L1_CACHE_SHIFT | |
224 | int | |
225 | default "7" if MCKINLEY | |
226 | default "6" if ITANIUM | |
227 | ||
1da177e4 LT |
228 | config IA64_CYCLONE |
229 | bool "Cyclone (EXA) Time Source support" | |
230 | help | |
231 | Say Y here to enable support for IBM EXA Cyclone time source. | |
232 | If you're unsure, answer N. | |
233 | ||
234 | config IOSAPIC | |
235 | bool | |
236 | depends on !IA64_HP_SIM | |
237 | default y | |
238 | ||
b0d82bd5 DN |
239 | config IA64_SGI_SN_XP |
240 | tristate "Support communication between SGI SSIs" | |
f79b3488 | 241 | depends on IA64_GENERIC || IA64_SGI_SN2 |
65ed0b33 | 242 | select IA64_UNCACHED_ALLOCATOR |
b0d82bd5 DN |
243 | help |
244 | An SGI machine can be divided into multiple Single System | |
245 | Images which act independently of each other and have | |
246 | hardware based memory protection from the others. Enabling | |
247 | this feature will allow for direct communication between SSIs | |
248 | based on a network adapter and DMA messaging. | |
249 | ||
1da177e4 | 250 | config FORCE_MAX_ZONEORDER |
da9577c5 BP |
251 | int "MAX_ORDER (11 - 17)" if !HUGETLB_PAGE |
252 | range 11 17 if !HUGETLB_PAGE | |
253 | default "17" if HUGETLB_PAGE | |
254 | default "11" | |
1da177e4 LT |
255 | |
256 | config SMP | |
257 | bool "Symmetric multi-processing support" | |
258 | help | |
259 | This enables support for systems with more than one CPU. If you have | |
260 | a system with only one CPU, say N. If you have a system with more | |
261 | than one CPU, say Y. | |
262 | ||
263 | If you say N here, the kernel will run on single and multiprocessor | |
264 | systems, but will use only one CPU of a multiprocessor system. If | |
265 | you say Y here, the kernel will run on many, but not all, | |
266 | single processor systems. On a single processor system, the kernel | |
267 | will run faster if you say N here. | |
268 | ||
269 | See also the <file:Documentation/smp.txt> and the SMP-HOWTO | |
270 | available at <http://www.tldp.org/docs.html#howto>. | |
271 | ||
272 | If you don't know what to do here, say N. | |
273 | ||
274 | config NR_CPUS | |
54703d36 JS |
275 | int "Maximum number of CPUs (2-1024)" |
276 | range 2 1024 | |
1da177e4 | 277 | depends on SMP |
c57d68ca | 278 | default "1024" |
1da177e4 LT |
279 | help |
280 | You should set this to the number of CPUs in your system, but | |
281 | keep in mind that a kernel compiled for, e.g., 2 CPUs will boot but | |
282 | only use 2 CPUs on a >2 CPU system. Setting this to a value larger | |
283 | than 64 will cause the use of a CPU mask array, causing a small | |
284 | performance hit. | |
285 | ||
286 | config HOTPLUG_CPU | |
287 | bool "Support for hot-pluggable CPUs (EXPERIMENTAL)" | |
288 | depends on SMP && EXPERIMENTAL | |
289 | select HOTPLUG | |
290 | default n | |
291 | ---help--- | |
292 | Say Y here to experiment with turning CPUs off and on. CPUs | |
293 | can be controlled through /sys/devices/system/cpu/cpu#. | |
294 | Say N if you want to disable CPU hotplug. | |
295 | ||
cc57637b YG |
296 | config ARCH_ENABLE_MEMORY_HOTPLUG |
297 | def_bool y | |
298 | ||
7a9bdd88 SS |
299 | config SCHED_SMT |
300 | bool "SMT scheduler support" | |
301 | depends on SMP | |
7a9bdd88 SS |
302 | help |
303 | Improves the CPU scheduler's decision making when dealing with | |
304 | Intel IA64 chips with MultiThreading at a cost of slightly increased | |
305 | overhead in some places. If unsure say N here. | |
306 | ||
ff741906 AR |
307 | config PERMIT_BSP_REMOVE |
308 | bool "Support removal of Bootstrap Processor" | |
309 | depends on HOTPLUG_CPU | |
310 | default n | |
311 | ---help--- | |
312 | Say Y here if your platform SAL will support removal of BSP with HOTPLUG_CPU | |
313 | support. | |
314 | ||
315 | config FORCE_CPEI_RETARGET | |
316 | bool "Force assumption that CPEI can be re-targetted" | |
317 | depends on PERMIT_BSP_REMOVE | |
318 | default n | |
319 | ---help--- | |
320 | Say Y if you need to force the assumption that CPEI can be re-targetted to | |
321 | any cpu in the system. This hint is available via ACPI 3.0 specifications. | |
322 | Tiger4 systems are capable of re-directing CPEI to any CPU other than BSP. | |
323 | This option it useful to enable this feature on older BIOS's as well. | |
324 | You can also enable this by using boot command line option force_cpei=1. | |
325 | ||
1da177e4 LT |
326 | config PREEMPT |
327 | bool "Preemptible Kernel" | |
328 | help | |
329 | This option reduces the latency of the kernel when reacting to | |
330 | real-time or interactive events by allowing a low priority process to | |
331 | be preempted even if it is in kernel mode executing a system call. | |
332 | This allows applications to run more reliably even when the system is | |
333 | under load. | |
334 | ||
335 | Say Y here if you are building a kernel for a desktop, embedded | |
336 | or real-time system. Say N if you are unsure. | |
337 | ||
3f22ab27 DH |
338 | source "mm/Kconfig" |
339 | ||
da9577c5 BP |
340 | config ARCH_SELECT_MEMORY_MODEL |
341 | def_bool y | |
342 | ||
343 | config ARCH_DISCONTIGMEM_ENABLE | |
344 | def_bool y | |
345 | help | |
346 | Say Y to support efficient handling of discontiguous physical memory, | |
347 | for architectures which are either NUMA (Non-Uniform Memory Access) | |
348 | or have huge holes in the physical address space for other reasons. | |
349 | See <file:Documentation/vm/numa> for more. | |
350 | ||
351 | config ARCH_FLATMEM_ENABLE | |
352 | def_bool y | |
353 | ||
354 | config ARCH_SPARSEMEM_ENABLE | |
355 | def_bool y | |
356 | depends on ARCH_DISCONTIGMEM_ENABLE | |
357 | ||
358 | config ARCH_DISCONTIGMEM_DEFAULT | |
359 | def_bool y if (IA64_SGI_SN2 || IA64_GENERIC || IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB) | |
360 | depends on ARCH_DISCONTIGMEM_ENABLE | |
361 | ||
362 | config NUMA | |
363 | bool "NUMA support" | |
364 | depends on !IA64_HP_SIM && !FLATMEM | |
365 | default y if IA64_SGI_SN2 | |
6c33eb39 | 366 | select ACPI_NUMA if ACPI |
da9577c5 BP |
367 | help |
368 | Say Y to compile the kernel to support NUMA (Non-Uniform Memory | |
369 | Access). This option is for configuring high-end multiprocessor | |
370 | server systems. If in doubt, say N. | |
371 | ||
c80d79d7 YG |
372 | config NODES_SHIFT |
373 | int "Max num nodes shift(3-10)" | |
374 | range 3 10 | |
c57d68ca | 375 | default "10" |
c80d79d7 YG |
376 | depends on NEED_MULTIPLE_NODES |
377 | help | |
378 | This option specifies the maximum number of nodes in your SSI system. | |
379 | MAX_NUMNODES will be 2^(This value). | |
380 | If in doubt, use the default. | |
381 | ||
05e0caad MG |
382 | config ARCH_POPULATES_NODE_MAP |
383 | def_bool y | |
384 | ||
da9577c5 BP |
385 | # VIRTUAL_MEM_MAP and FLAT_NODE_MEM_MAP are functionally equivalent. |
386 | # VIRTUAL_MEM_MAP has been retained for historical reasons. | |
387 | config VIRTUAL_MEM_MAP | |
388 | bool "Virtual mem map" | |
389 | depends on !SPARSEMEM | |
390 | default y if !IA64_HP_SIM | |
391 | help | |
392 | Say Y to compile the kernel with support for a virtual mem map. | |
393 | This code also only takes effect if a memory hole of greater than | |
394 | 1 Gb is found during boot. You must turn this option on if you | |
395 | require the DISCONTIGMEM option for your machine. If you are | |
396 | unsure, say Y. | |
397 | ||
398 | config HOLES_IN_ZONE | |
399 | bool | |
400 | default y if VIRTUAL_MEM_MAP | |
401 | ||
402 | config HAVE_ARCH_EARLY_PFN_TO_NID | |
403 | def_bool y | |
404 | depends on NEED_MULTIPLE_NODES | |
405 | ||
10ad400b YG |
406 | config HAVE_ARCH_NODEDATA_EXTENSION |
407 | def_bool y | |
408 | depends on NUMA | |
409 | ||
1da177e4 LT |
410 | config IA32_SUPPORT |
411 | bool "Support for Linux/x86 binaries" | |
412 | help | |
413 | IA-64 processors can execute IA-32 (X86) instructions. By | |
414 | saying Y here, the kernel will include IA-32 system call | |
415 | emulation support which makes it possible to transparently | |
416 | run IA-32 Linux binaries on an IA-64 Linux system. | |
417 | If in doubt, say Y. | |
418 | ||
419 | config COMPAT | |
420 | bool | |
421 | depends on IA32_SUPPORT | |
422 | default y | |
423 | ||
424 | config IA64_MCA_RECOVERY | |
425 | tristate "MCA recovery from errors other than TLB." | |
426 | ||
427 | config PERFMON | |
428 | bool "Performance monitor support" | |
429 | help | |
430 | Selects whether support for the IA-64 performance monitor hardware | |
431 | is included in the kernel. This makes some kernel data-structures a | |
432 | little bigger and slows down execution a bit, but it is generally | |
433 | a good idea to turn this on. If you're unsure, say Y. | |
434 | ||
435 | config IA64_PALINFO | |
436 | tristate "/proc/pal support" | |
437 | help | |
438 | If you say Y here, you are able to get PAL (Processor Abstraction | |
439 | Layer) information in /proc/pal. This contains useful information | |
440 | about the processors in your systems, such as cache and TLB sizes | |
441 | and the PAL firmware version in use. | |
442 | ||
443 | To use this option, you have to ensure that the "/proc file system | |
444 | support" (CONFIG_PROC_FS) is enabled, too. | |
445 | ||
e9ef08bd FY |
446 | config IA64_MC_ERR_INJECT |
447 | tristate "MC error injection support" | |
448 | help | |
449 | Selets whether support for MC error injection. By enabling the | |
450 | support, kernel provide sysfs interface for user application to | |
451 | call MC error injection PAL procedure to inject various errors. | |
452 | This is a useful tool for MCA testing. | |
453 | ||
454 | If you're unsure, do not select this option. | |
455 | ||
466575f4 JS |
456 | config SGI_SN |
457 | def_bool y if (IA64_SGI_SN2 || IA64_GENERIC) | |
458 | ||
2ab561a1 DMT |
459 | config IA64_ESI |
460 | bool "ESI (Extensible SAL Interface) support" | |
461 | help | |
462 | If you say Y here, support is built into the kernel to | |
463 | make ESI calls. ESI calls are used to support vendor-specific | |
464 | firmware extensions, such as the ability to inject memory-errors | |
465 | for test-purposes. If you're unsure, say N. | |
466 | ||
c1311af1 BC |
467 | source "drivers/sn/Kconfig" |
468 | ||
a7956113 ZN |
469 | config KEXEC |
470 | bool "kexec system call (EXPERIMENTAL)" | |
471 | depends on EXPERIMENTAL && !IA64_HP_SIM && (!SMP || HOTPLUG_CPU) | |
472 | help | |
473 | kexec is a system call that implements the ability to shutdown your | |
474 | current kernel, and to start another kernel. It is like a reboot | |
3dde6ad8 | 475 | but it is independent of the system firmware. And like a reboot |
a7956113 ZN |
476 | you can start any kernel with it, not just Linux. |
477 | ||
478 | The name comes from the similiarity to the exec system call. | |
479 | ||
480 | It is an ongoing process to be certain the hardware in a machine | |
481 | is properly shutdown, so do not be surprised if this code does not | |
482 | initially work for you. It may help to enable device hotplugging | |
483 | support. As of this writing the exact hardware interface is | |
484 | strongly in flux, so no good recommendation can be made. | |
485 | ||
486 | config CRASH_DUMP | |
487 | bool "kernel crash dumps (EXPERIMENTAL)" | |
488 | depends on EXPERIMENTAL && IA64_MCA_RECOVERY && !IA64_HP_SIM && (!SMP || HOTPLUG_CPU) | |
489 | help | |
490 | Generate crash dump after being started by kexec. | |
491 | ||
1da177e4 LT |
492 | source "drivers/firmware/Kconfig" |
493 | ||
494 | source "fs/Kconfig.binfmt" | |
495 | ||
496 | endmenu | |
497 | ||
498 | menu "Power management and ACPI" | |
499 | ||
eb7b6b32 | 500 | source "kernel/power/Kconfig" |
1da177e4 LT |
501 | |
502 | source "drivers/acpi/Kconfig" | |
503 | ||
4db8699b VP |
504 | if PM |
505 | ||
506 | source "arch/ia64/kernel/cpufreq/Kconfig" | |
507 | ||
508 | endif | |
509 | ||
1da177e4 LT |
510 | endmenu |
511 | ||
512 | if !IA64_HP_SIM | |
513 | ||
514 | menu "Bus options (PCI, PCMCIA)" | |
515 | ||
516 | config PCI | |
517 | bool "PCI support" | |
518 | help | |
85f265d8 CH |
519 | Real IA-64 machines all have PCI/PCI-X/PCI Express busses. Say Y |
520 | here unless you are using a simulator without PCI support. | |
1da177e4 LT |
521 | |
522 | config PCI_DOMAINS | |
36e23590 MW |
523 | def_bool PCI |
524 | ||
525 | config PCI_SYSCALL | |
526 | def_bool PCI | |
1da177e4 | 527 | |
b7bb575c KK |
528 | source "drivers/pci/pcie/Kconfig" |
529 | ||
1da177e4 LT |
530 | source "drivers/pci/Kconfig" |
531 | ||
532 | source "drivers/pci/hotplug/Kconfig" | |
533 | ||
534 | source "drivers/pcmcia/Kconfig" | |
535 | ||
536 | endmenu | |
537 | ||
538 | endif | |
539 | ||
d5950b43 SR |
540 | source "net/Kconfig" |
541 | ||
1da177e4 LT |
542 | source "drivers/Kconfig" |
543 | ||
1a4b0fc5 JS |
544 | config MSPEC |
545 | tristate "Memory special operations driver" | |
546 | depends on IA64 | |
547 | select IA64_UNCACHED_ALLOCATOR | |
548 | help | |
549 | If you have an ia64 and you want to enable memory special | |
550 | operations support (formerly known as fetchop), say Y here, | |
551 | otherwise say N. | |
552 | ||
1da177e4 LT |
553 | source "fs/Kconfig" |
554 | ||
555 | source "lib/Kconfig" | |
556 | ||
557 | # | |
558 | # Use the generic interrupt handling code in kernel/irq/: | |
559 | # | |
560 | config GENERIC_HARDIRQS | |
561 | bool | |
562 | default y | |
563 | ||
564 | config GENERIC_IRQ_PROBE | |
565 | bool | |
566 | default y | |
567 | ||
54d5d424 AR |
568 | config GENERIC_PENDING_IRQ |
569 | bool | |
570 | depends on GENERIC_HARDIRQS && SMP | |
571 | default y | |
572 | ||
0d7012a9 IM |
573 | config IRQ_PER_CPU |
574 | bool | |
575 | default y | |
576 | ||
1da177e4 LT |
577 | source "arch/ia64/hp/sim/Kconfig" |
578 | ||
cd6b0762 PP |
579 | menu "Instrumentation Support" |
580 | depends on EXPERIMENTAL | |
581 | ||
1da177e4 LT |
582 | source "arch/ia64/oprofile/Kconfig" |
583 | ||
cd6b0762 | 584 | config KPROBES |
87a7defb AM |
585 | bool "Kprobes" |
586 | depends on KALLSYMS && MODULES | |
cd6b0762 PP |
587 | help |
588 | Kprobes allows you to trap at almost any kernel address and | |
589 | execute a callback function. register_kprobe() establishes | |
590 | a probepoint and specifies the callback. Kprobes is useful | |
591 | for kernel debugging, non-intrusive instrumentation and testing. | |
592 | If in doubt, say "N". | |
593 | endmenu | |
594 | ||
1da177e4 LT |
595 | source "arch/ia64/Kconfig.debug" |
596 | ||
597 | source "security/Kconfig" | |
598 | ||
599 | source "crypto/Kconfig" |