Commit | Line | Data |
---|---|---|
4d66bcc7 KS |
1 | config PGTABLE_LEVELS |
2 | int "Page Table Levels" if !IA64_PAGE_SIZE_64KB | |
3 | range 3 4 if !IA64_PAGE_SIZE_64KB | |
4 | default 3 | |
5 | ||
1da177e4 LT |
6 | source "init/Kconfig" |
7 | ||
dc52ddc0 MH |
8 | source "kernel/Kconfig.freezer" |
9 | ||
1da177e4 LT |
10 | menu "Processor type and features" |
11 | ||
12 | config IA64 | |
13 | bool | |
468bcf08 | 14 | select ARCH_MIGHT_HAVE_PC_PARPORT |
bbc4e596 | 15 | select ARCH_MIGHT_HAVE_PC_SERIO |
06f87adf LB |
16 | select PCI if (!IA64_HP_SIM) |
17 | select ACPI if (!IA64_HP_SIM) | |
6e0a0ea1 | 18 | select ACPI_SYSTEM_POWER_STATES_SUPPORT if ACPI |
46ba51ea | 19 | select ARCH_MIGHT_HAVE_ACPI_PDC if ACPI |
0773a6cf | 20 | select HAVE_UNSTABLE_SCHED_CLOCK |
ec7748b5 | 21 | select HAVE_IDE |
42d4b839 | 22 | select HAVE_OPROFILE |
3f550096 | 23 | select HAVE_KPROBES |
9edddaa2 | 24 | select HAVE_KRETPROBES |
a14a07b8 SL |
25 | select HAVE_FTRACE_MCOUNT_RECORD |
26 | select HAVE_DYNAMIC_FTRACE if (!ITANIUM) | |
d3e75ff1 | 27 | select HAVE_FUNCTION_TRACER |
74bc7cee | 28 | select HAVE_DMA_ATTRS |
6035d9db | 29 | select TTY |
9690ad03 | 30 | select HAVE_ARCH_TRACEHOOK |
99162195 | 31 | select HAVE_DMA_API_DEBUG |
98e4ae8a TH |
32 | select HAVE_MEMBLOCK |
33 | select HAVE_MEMBLOCK_NODE_MAP | |
b952741c | 34 | select HAVE_VIRT_CPU_ACCOUNTING |
308c09f1 | 35 | select ARCH_HAS_SG_CHAIN |
4febd95a | 36 | select VIRT_TO_BUS |
98e4ae8a | 37 | select ARCH_DISCARD_MEMBLOCK |
c5e66129 TG |
38 | select GENERIC_IRQ_PROBE |
39 | select GENERIC_PENDING_IRQ if SMP | |
e3d78122 | 40 | select GENERIC_IRQ_SHOW |
4debd723 | 41 | select GENERIC_IRQ_LEGACY |
badc1446 | 42 | select ARCH_WANT_OPTIONAL_GPIOLIB |
df013ffb | 43 | select ARCH_HAVE_NMI_SAFE_CMPXCHG |
4673ca8e | 44 | select GENERIC_IOMAP |
13583bf1 | 45 | select GENERIC_SMP_IDLE_THREAD |
a6359d1e | 46 | select ARCH_INIT_TASK |
f5e10287 TG |
47 | select ARCH_TASK_STRUCT_ALLOCATOR |
48 | select ARCH_THREAD_INFO_ALLOCATOR | |
21b19710 | 49 | select ARCH_CLOCKSOURCE_DATA |
70639421 | 50 | select GENERIC_TIME_VSYSCALL_OLD |
b6fca725 | 51 | select SYSCTL_ARCH_UNALIGN_NO_WARN |
786d35d4 DH |
52 | select HAVE_MOD_ARCH_SPECIFIC |
53 | select MODULES_USE_ELF_RELA | |
71c7356f | 54 | select ARCH_USE_CMPXCHG_LOCKREF |
7a017721 | 55 | select HAVE_ARCH_AUDITSYSCALL |
1da177e4 LT |
56 | default y |
57 | help | |
58 | The Itanium Processor Family is Intel's 64-bit successor to | |
59 | the 32-bit X86 line. The IA-64 Linux project has a home | |
60 | page at <http://www.linuxia64.org/> and a mailing list at | |
61 | <linux-ia64@vger.kernel.org>. | |
62 | ||
63 | config 64BIT | |
64 | bool | |
9f271d57 | 65 | select ATA_NONSTANDARD if ATA |
1da177e4 LT |
66 | default y |
67 | ||
66701b14 | 68 | config ZONE_DMA |
09ae1f58 CL |
69 | def_bool y |
70 | depends on !IA64_SGI_SN2 | |
66701b14 | 71 | |
2bd62a40 CL |
72 | config QUICKLIST |
73 | bool | |
74 | default y | |
75 | ||
1da177e4 LT |
76 | config MMU |
77 | bool | |
78 | default y | |
79 | ||
e33621a2 FT |
80 | config ARCH_DMA_ADDR_T_64BIT |
81 | def_bool y | |
82 | ||
66ed5ef8 FT |
83 | config NEED_DMA_MAP_STATE |
84 | def_bool y | |
85 | ||
18e98307 FT |
86 | config NEED_SG_DMA_LENGTH |
87 | def_bool y | |
88 | ||
6c654b5f JL |
89 | config SWIOTLB |
90 | bool | |
6c654b5f | 91 | |
85718fae TL |
92 | config STACKTRACE_SUPPORT |
93 | def_bool y | |
94 | ||
95c354fe | 95 | config GENERIC_LOCKBREAK |
2c86963b | 96 | def_bool n |
95c354fe | 97 | |
1da177e4 LT |
98 | config RWSEM_XCHGADD_ALGORITHM |
99 | bool | |
100 | default y | |
101 | ||
d9c23400 MG |
102 | config HUGETLB_PAGE_SIZE_VARIABLE |
103 | bool | |
104 | depends on HUGETLB_PAGE | |
105 | default y | |
106 | ||
1da177e4 LT |
107 | config GENERIC_CALIBRATE_DELAY |
108 | bool | |
109 | default y | |
110 | ||
988c388a | 111 | config HAVE_SETUP_PER_CPU_AREA |
b32ef636 | 112 | def_bool y |
113 | ||
3ed3bce8 MD |
114 | config DMI |
115 | bool | |
116 | default y | |
cf074402 | 117 | select DMI_SCAN_MACHINE_NON_EFI_FALLBACK |
3ed3bce8 | 118 | |
1da177e4 LT |
119 | config EFI |
120 | bool | |
a614e192 | 121 | select UCS2_STRING |
1da177e4 LT |
122 | default y |
123 | ||
ae1e9130 | 124 | config SCHED_OMIT_FRAME_POINTER |
7d12e522 AB |
125 | bool |
126 | default y | |
127 | ||
f14f75b8 JS |
128 | config IA64_UNCACHED_ALLOCATOR |
129 | bool | |
130 | select GENERIC_ALLOCATOR | |
131 | ||
46cf98cd VP |
132 | config ARCH_USES_PG_UNCACHED |
133 | def_bool y | |
134 | depends on IA64_UNCACHED_ALLOCATOR | |
135 | ||
e65e1fc2 AV |
136 | config AUDIT_ARCH |
137 | bool | |
138 | default y | |
139 | ||
1da177e4 LT |
140 | choice |
141 | prompt "System type" | |
142 | default IA64_GENERIC | |
143 | ||
144 | config IA64_GENERIC | |
145 | bool "generic" | |
146 | select NUMA | |
147 | select ACPI_NUMA | |
d1598e05 | 148 | select SWIOTLB |
62fdd767 | 149 | select PCI_MSI |
1da177e4 LT |
150 | help |
151 | This selects the system type of your hardware. A "generic" kernel | |
152 | will run on any supported IA-64 system. However, if you configure | |
153 | a kernel for your specific system, it will be faster and smaller. | |
154 | ||
155 | generic For any supported IA-64 system | |
156 | DIG-compliant For DIG ("Developer's Interface Guide") compliant systems | |
62fdd767 | 157 | DIG+Intel+IOMMU For DIG systems with Intel IOMMU |
1da177e4 LT |
158 | HP-zx1/sx1000 For HP systems |
159 | HP-zx1/sx1000+swiotlb For HP systems with (broken) DMA-constrained devices. | |
160 | SGI-SN2 For SGI Altix systems | |
22246614 | 161 | SGI-UV For SGI UV systems |
1da177e4 LT |
162 | Ski-simulator For the HP simulator <http://www.hpl.hp.com/research/linux/ski/> |
163 | ||
164 | If you don't know what to do, choose "generic". | |
165 | ||
166 | config IA64_DIG | |
167 | bool "DIG-compliant" | |
d1598e05 | 168 | select SWIOTLB |
1da177e4 | 169 | |
62fdd767 FY |
170 | config IA64_DIG_VTD |
171 | bool "DIG+Intel+IOMMU" | |
96edc754 | 172 | select INTEL_IOMMU |
62fdd767 FY |
173 | select PCI_MSI |
174 | ||
1da177e4 LT |
175 | config IA64_HP_ZX1 |
176 | bool "HP-zx1/sx1000" | |
177 | help | |
178 | Build a kernel that runs on HP zx1 and sx1000 systems. This adds | |
179 | support for the HP I/O MMU. | |
180 | ||
181 | config IA64_HP_ZX1_SWIOTLB | |
182 | bool "HP-zx1/sx1000 with software I/O TLB" | |
d1598e05 | 183 | select SWIOTLB |
1da177e4 LT |
184 | help |
185 | Build a kernel that runs on HP zx1 and sx1000 systems even when they | |
186 | have broken PCI devices which cannot DMA to full 32 bits. Apart | |
187 | from support for the HP I/O MMU, this includes support for the software | |
188 | I/O TLB, which allows supporting the broken devices at the expense of | |
189 | wasting some kernel memory (about 2MB by default). | |
190 | ||
191 | config IA64_SGI_SN2 | |
192 | bool "SGI-SN2" | |
bd3be240 JS |
193 | select NUMA |
194 | select ACPI_NUMA | |
1da177e4 LT |
195 | help |
196 | Selecting this option will optimize the kernel for use on sn2 based | |
197 | systems, but the resulting kernel binary will not run on other | |
198 | types of ia64 systems. If you have an SGI Altix system, it's safe | |
199 | to select this option. If in doubt, select ia64 generic support | |
200 | instead. | |
201 | ||
3351ab9b JS |
202 | config IA64_SGI_UV |
203 | bool "SGI-UV" | |
22246614 JS |
204 | select NUMA |
205 | select ACPI_NUMA | |
206 | select SWIOTLB | |
207 | help | |
208 | Selecting this option will optimize the kernel for use on UV based | |
209 | systems, but the resulting kernel binary will not run on other | |
210 | types of ia64 systems. If you have an SGI UV system, it's safe | |
211 | to select this option. If in doubt, select ia64 generic support | |
212 | instead. | |
213 | ||
1da177e4 LT |
214 | config IA64_HP_SIM |
215 | bool "Ski-simulator" | |
d1598e05 | 216 | select SWIOTLB |
1b3e3aa6 | 217 | depends on !PM |
1da177e4 LT |
218 | |
219 | endchoice | |
220 | ||
221 | choice | |
222 | prompt "Processor type" | |
223 | default ITANIUM | |
224 | ||
225 | config ITANIUM | |
226 | bool "Itanium" | |
227 | help | |
228 | Select your IA-64 processor type. The default is Itanium. | |
229 | This choice is safe for all IA-64 systems, but may not perform | |
230 | optimally on systems with, say, Itanium 2 or newer processors. | |
231 | ||
232 | config MCKINLEY | |
233 | bool "Itanium 2" | |
234 | help | |
235 | Select this to configure for an Itanium 2 (McKinley) processor. | |
236 | ||
237 | endchoice | |
238 | ||
239 | choice | |
240 | prompt "Kernel page size" | |
241 | default IA64_PAGE_SIZE_16KB | |
242 | ||
243 | config IA64_PAGE_SIZE_4KB | |
244 | bool "4KB" | |
245 | help | |
246 | This lets you select the page size of the kernel. For best IA-64 | |
247 | performance, a page size of 8KB or 16KB is recommended. For best | |
248 | IA-32 compatibility, a page size of 4KB should be selected (the vast | |
249 | majority of IA-32 binaries work perfectly fine with a larger page | |
250 | size). For Itanium 2 or newer systems, a page size of 64KB can also | |
251 | be selected. | |
252 | ||
253 | 4KB For best IA-32 compatibility | |
254 | 8KB For best IA-64 performance | |
255 | 16KB For best IA-64 performance | |
256 | 64KB Requires Itanium 2 or newer processor. | |
257 | ||
258 | If you don't know what to do, choose 16KB. | |
259 | ||
260 | config IA64_PAGE_SIZE_8KB | |
261 | bool "8KB" | |
262 | ||
263 | config IA64_PAGE_SIZE_16KB | |
264 | bool "16KB" | |
265 | ||
266 | config IA64_PAGE_SIZE_64KB | |
267 | depends on !ITANIUM | |
268 | bool "64KB" | |
269 | ||
270 | endchoice | |
271 | ||
10d0aa3c TL |
272 | if IA64_HP_SIM |
273 | config HZ | |
274 | default 32 | |
275 | endif | |
276 | ||
277 | if !IA64_HP_SIM | |
b5d23e5b | 278 | source kernel/Kconfig.hz |
10d0aa3c | 279 | endif |
b5d23e5b | 280 | |
1da177e4 LT |
281 | config IA64_BRL_EMU |
282 | bool | |
283 | depends on ITANIUM | |
284 | default y | |
285 | ||
286 | # align cache-sensitive data to 128 bytes | |
287 | config IA64_L1_CACHE_SHIFT | |
288 | int | |
289 | default "7" if MCKINLEY | |
290 | default "6" if ITANIUM | |
291 | ||
1da177e4 LT |
292 | config IA64_CYCLONE |
293 | bool "Cyclone (EXA) Time Source support" | |
294 | help | |
295 | Say Y here to enable support for IBM EXA Cyclone time source. | |
296 | If you're unsure, answer N. | |
297 | ||
298 | config IOSAPIC | |
299 | bool | |
300 | depends on !IA64_HP_SIM | |
301 | default y | |
302 | ||
1da177e4 | 303 | config FORCE_MAX_ZONEORDER |
da9577c5 BP |
304 | int "MAX_ORDER (11 - 17)" if !HUGETLB_PAGE |
305 | range 11 17 if !HUGETLB_PAGE | |
306 | default "17" if HUGETLB_PAGE | |
307 | default "11" | |
1da177e4 LT |
308 | |
309 | config SMP | |
310 | bool "Symmetric multi-processing support" | |
311 | help | |
312 | This enables support for systems with more than one CPU. If you have | |
313 | a system with only one CPU, say N. If you have a system with more | |
314 | than one CPU, say Y. | |
315 | ||
316 | If you say N here, the kernel will run on single and multiprocessor | |
317 | systems, but will use only one CPU of a multiprocessor system. If | |
318 | you say Y here, the kernel will run on many, but not all, | |
319 | single processor systems. On a single processor system, the kernel | |
320 | will run faster if you say N here. | |
321 | ||
03502faa AB |
322 | See also the SMP-HOWTO available at |
323 | <http://www.tldp.org/docs.html#howto>. | |
1da177e4 LT |
324 | |
325 | If you don't know what to do here, say N. | |
326 | ||
327 | config NR_CPUS | |
d1339df1 RH |
328 | int "Maximum number of CPUs (2-4096)" |
329 | range 2 4096 | |
1da177e4 | 330 | depends on SMP |
d1339df1 | 331 | default "4096" |
1da177e4 LT |
332 | help |
333 | You should set this to the number of CPUs in your system, but | |
334 | keep in mind that a kernel compiled for, e.g., 2 CPUs will boot but | |
335 | only use 2 CPUs on a >2 CPU system. Setting this to a value larger | |
336 | than 64 will cause the use of a CPU mask array, causing a small | |
337 | performance hit. | |
338 | ||
339 | config HOTPLUG_CPU | |
48a9240c KC |
340 | bool "Support for hot-pluggable CPUs" |
341 | depends on SMP | |
1da177e4 LT |
342 | default n |
343 | ---help--- | |
344 | Say Y here to experiment with turning CPUs off and on. CPUs | |
345 | can be controlled through /sys/devices/system/cpu/cpu#. | |
346 | Say N if you want to disable CPU hotplug. | |
347 | ||
cc57637b YG |
348 | config ARCH_ENABLE_MEMORY_HOTPLUG |
349 | def_bool y | |
350 | ||
0c0e6195 KH |
351 | config ARCH_ENABLE_MEMORY_HOTREMOVE |
352 | def_bool y | |
353 | ||
7a9bdd88 SS |
354 | config SCHED_SMT |
355 | bool "SMT scheduler support" | |
356 | depends on SMP | |
7a9bdd88 SS |
357 | help |
358 | Improves the CPU scheduler's decision making when dealing with | |
359 | Intel IA64 chips with MultiThreading at a cost of slightly increased | |
360 | overhead in some places. If unsure say N here. | |
361 | ||
ff741906 AR |
362 | config PERMIT_BSP_REMOVE |
363 | bool "Support removal of Bootstrap Processor" | |
364 | depends on HOTPLUG_CPU | |
365 | default n | |
366 | ---help--- | |
367 | Say Y here if your platform SAL will support removal of BSP with HOTPLUG_CPU | |
368 | support. | |
369 | ||
370 | config FORCE_CPEI_RETARGET | |
25985edc | 371 | bool "Force assumption that CPEI can be re-targeted" |
ff741906 AR |
372 | depends on PERMIT_BSP_REMOVE |
373 | default n | |
374 | ---help--- | |
25985edc | 375 | Say Y if you need to force the assumption that CPEI can be re-targeted to |
ff741906 AR |
376 | any cpu in the system. This hint is available via ACPI 3.0 specifications. |
377 | Tiger4 systems are capable of re-directing CPEI to any CPU other than BSP. | |
378 | This option it useful to enable this feature on older BIOS's as well. | |
379 | You can also enable this by using boot command line option force_cpei=1. | |
380 | ||
0b0517a4 | 381 | source "kernel/Kconfig.preempt" |
1da177e4 | 382 | |
3f22ab27 DH |
383 | source "mm/Kconfig" |
384 | ||
da9577c5 BP |
385 | config ARCH_SELECT_MEMORY_MODEL |
386 | def_bool y | |
387 | ||
388 | config ARCH_DISCONTIGMEM_ENABLE | |
389 | def_bool y | |
390 | help | |
391 | Say Y to support efficient handling of discontiguous physical memory, | |
392 | for architectures which are either NUMA (Non-Uniform Memory Access) | |
393 | or have huge holes in the physical address space for other reasons. | |
394 | See <file:Documentation/vm/numa> for more. | |
395 | ||
396 | config ARCH_FLATMEM_ENABLE | |
397 | def_bool y | |
398 | ||
399 | config ARCH_SPARSEMEM_ENABLE | |
400 | def_bool y | |
401 | depends on ARCH_DISCONTIGMEM_ENABLE | |
ef229c5a | 402 | select SPARSEMEM_VMEMMAP_ENABLE |
da9577c5 BP |
403 | |
404 | config ARCH_DISCONTIGMEM_DEFAULT | |
405 | def_bool y if (IA64_SGI_SN2 || IA64_GENERIC || IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB) | |
406 | depends on ARCH_DISCONTIGMEM_ENABLE | |
407 | ||
408 | config NUMA | |
409 | bool "NUMA support" | |
410 | depends on !IA64_HP_SIM && !FLATMEM | |
411 | default y if IA64_SGI_SN2 | |
6c33eb39 | 412 | select ACPI_NUMA if ACPI |
da9577c5 BP |
413 | help |
414 | Say Y to compile the kernel to support NUMA (Non-Uniform Memory | |
415 | Access). This option is for configuring high-end multiprocessor | |
416 | server systems. If in doubt, say N. | |
417 | ||
c80d79d7 YG |
418 | config NODES_SHIFT |
419 | int "Max num nodes shift(3-10)" | |
420 | range 3 10 | |
c57d68ca | 421 | default "10" |
c80d79d7 YG |
422 | depends on NEED_MULTIPLE_NODES |
423 | help | |
424 | This option specifies the maximum number of nodes in your SSI system. | |
425 | MAX_NUMNODES will be 2^(This value). | |
426 | If in doubt, use the default. | |
427 | ||
da9577c5 BP |
428 | # VIRTUAL_MEM_MAP and FLAT_NODE_MEM_MAP are functionally equivalent. |
429 | # VIRTUAL_MEM_MAP has been retained for historical reasons. | |
430 | config VIRTUAL_MEM_MAP | |
431 | bool "Virtual mem map" | |
432 | depends on !SPARSEMEM | |
433 | default y if !IA64_HP_SIM | |
434 | help | |
435 | Say Y to compile the kernel with support for a virtual mem map. | |
436 | This code also only takes effect if a memory hole of greater than | |
437 | 1 Gb is found during boot. You must turn this option on if you | |
438 | require the DISCONTIGMEM option for your machine. If you are | |
439 | unsure, say Y. | |
440 | ||
441 | config HOLES_IN_ZONE | |
442 | bool | |
443 | default y if VIRTUAL_MEM_MAP | |
444 | ||
445 | config HAVE_ARCH_EARLY_PFN_TO_NID | |
334f85b6 | 446 | def_bool NUMA && SPARSEMEM |
da9577c5 | 447 | |
10ad400b YG |
448 | config HAVE_ARCH_NODEDATA_EXTENSION |
449 | def_bool y | |
450 | depends on NUMA | |
451 | ||
3bccd996 LS |
452 | config USE_PERCPU_NUMA_NODE_ID |
453 | def_bool y | |
454 | depends on NUMA | |
455 | ||
fd1197f1 | 456 | config HAVE_MEMORYLESS_NODES |
25106000 | 457 | def_bool NUMA |
fd1197f1 | 458 | |
9492587c KH |
459 | config ARCH_PROC_KCORE_TEXT |
460 | def_bool y | |
461 | depends on PROC_KCORE | |
462 | ||
1da177e4 LT |
463 | config IA64_MCA_RECOVERY |
464 | tristate "MCA recovery from errors other than TLB." | |
465 | ||
466 | config PERFMON | |
467 | bool "Performance monitor support" | |
468 | help | |
469 | Selects whether support for the IA-64 performance monitor hardware | |
470 | is included in the kernel. This makes some kernel data-structures a | |
471 | little bigger and slows down execution a bit, but it is generally | |
472 | a good idea to turn this on. If you're unsure, say Y. | |
473 | ||
474 | config IA64_PALINFO | |
475 | tristate "/proc/pal support" | |
476 | help | |
477 | If you say Y here, you are able to get PAL (Processor Abstraction | |
478 | Layer) information in /proc/pal. This contains useful information | |
479 | about the processors in your systems, such as cache and TLB sizes | |
480 | and the PAL firmware version in use. | |
481 | ||
482 | To use this option, you have to ensure that the "/proc file system | |
483 | support" (CONFIG_PROC_FS) is enabled, too. | |
484 | ||
e9ef08bd FY |
485 | config IA64_MC_ERR_INJECT |
486 | tristate "MC error injection support" | |
487 | help | |
01dd2fbf ML |
488 | Adds support for MC error injection. If enabled, the kernel |
489 | will provide a sysfs interface for user applications to | |
490 | call MC error injection PAL procedures to inject various errors. | |
e9ef08bd FY |
491 | This is a useful tool for MCA testing. |
492 | ||
493 | If you're unsure, do not select this option. | |
494 | ||
466575f4 JS |
495 | config SGI_SN |
496 | def_bool y if (IA64_SGI_SN2 || IA64_GENERIC) | |
497 | ||
2ab561a1 DMT |
498 | config IA64_ESI |
499 | bool "ESI (Extensible SAL Interface) support" | |
500 | help | |
501 | If you say Y here, support is built into the kernel to | |
502 | make ESI calls. ESI calls are used to support vendor-specific | |
503 | firmware extensions, such as the ability to inject memory-errors | |
504 | for test-purposes. If you're unsure, say N. | |
505 | ||
28eda5b8 BH |
506 | config IA64_HP_AML_NFW |
507 | bool "Support ACPI AML calls to native firmware" | |
508 | help | |
509 | This driver installs a global ACPI Operation Region handler for | |
510 | region 0xA1. AML methods can use this OpRegion to call arbitrary | |
511 | native firmware functions. The driver installs the OpRegion | |
512 | handler if there is an HPQ5001 device or if the user supplies | |
513 | the "force" module parameter, e.g., with the "aml_nfw.force" | |
514 | kernel command line option. | |
515 | ||
c1311af1 BC |
516 | source "drivers/sn/Kconfig" |
517 | ||
a7956113 | 518 | config KEXEC |
48a9240c KC |
519 | bool "kexec system call" |
520 | depends on !IA64_HP_SIM && (!SMP || HOTPLUG_CPU) | |
2965faa5 | 521 | select KEXEC_CORE |
a7956113 ZN |
522 | help |
523 | kexec is a system call that implements the ability to shutdown your | |
524 | current kernel, and to start another kernel. It is like a reboot | |
3dde6ad8 | 525 | but it is independent of the system firmware. And like a reboot |
a7956113 ZN |
526 | you can start any kernel with it, not just Linux. |
527 | ||
01dd2fbf | 528 | The name comes from the similarity to the exec system call. |
a7956113 ZN |
529 | |
530 | It is an ongoing process to be certain the hardware in a machine | |
531 | is properly shutdown, so do not be surprised if this code does not | |
bf220695 GU |
532 | initially work for you. As of this writing the exact hardware |
533 | interface is strongly in flux, so no good recommendation can be | |
534 | made. | |
a7956113 ZN |
535 | |
536 | config CRASH_DUMP | |
fb86611f BW |
537 | bool "kernel crash dumps" |
538 | depends on IA64_MCA_RECOVERY && !IA64_HP_SIM && (!SMP || HOTPLUG_CPU) | |
a7956113 ZN |
539 | help |
540 | Generate crash dump after being started by kexec. | |
541 | ||
1da177e4 LT |
542 | source "drivers/firmware/Kconfig" |
543 | ||
544 | source "fs/Kconfig.binfmt" | |
545 | ||
546 | endmenu | |
547 | ||
1547a012 | 548 | menu "Power management and ACPI options" |
1da177e4 | 549 | |
eb7b6b32 | 550 | source "kernel/power/Kconfig" |
1da177e4 LT |
551 | |
552 | source "drivers/acpi/Kconfig" | |
553 | ||
4db8699b | 554 | if PM |
ab423e43 VK |
555 | menu "CPU Frequency scaling" |
556 | source "drivers/cpufreq/Kconfig" | |
557 | endmenu | |
4db8699b VP |
558 | endif |
559 | ||
1da177e4 LT |
560 | endmenu |
561 | ||
562 | if !IA64_HP_SIM | |
563 | ||
564 | menu "Bus options (PCI, PCMCIA)" | |
565 | ||
566 | config PCI | |
567 | bool "PCI support" | |
568 | help | |
85f265d8 CH |
569 | Real IA-64 machines all have PCI/PCI-X/PCI Express busses. Say Y |
570 | here unless you are using a simulator without PCI support. | |
1da177e4 LT |
571 | |
572 | config PCI_DOMAINS | |
36e23590 MW |
573 | def_bool PCI |
574 | ||
575 | config PCI_SYSCALL | |
576 | def_bool PCI | |
1da177e4 | 577 | |
b7bb575c KK |
578 | source "drivers/pci/pcie/Kconfig" |
579 | ||
1da177e4 LT |
580 | source "drivers/pci/Kconfig" |
581 | ||
582 | source "drivers/pci/hotplug/Kconfig" | |
583 | ||
584 | source "drivers/pcmcia/Kconfig" | |
585 | ||
586 | endmenu | |
587 | ||
588 | endif | |
589 | ||
d5950b43 SR |
590 | source "net/Kconfig" |
591 | ||
1da177e4 LT |
592 | source "drivers/Kconfig" |
593 | ||
1547a012 BH |
594 | source "arch/ia64/hp/sim/Kconfig" |
595 | ||
1a4b0fc5 JS |
596 | config MSPEC |
597 | tristate "Memory special operations driver" | |
598 | depends on IA64 | |
599 | select IA64_UNCACHED_ALLOCATOR | |
600 | help | |
601 | If you have an ia64 and you want to enable memory special | |
602 | operations support (formerly known as fetchop), say Y here, | |
603 | otherwise say N. | |
604 | ||
1da177e4 LT |
605 | source "fs/Kconfig" |
606 | ||
1547a012 BH |
607 | source "arch/ia64/Kconfig.debug" |
608 | ||
609 | source "security/Kconfig" | |
610 | ||
611 | source "crypto/Kconfig" | |
612 | ||
1da177e4 LT |
613 | source "lib/Kconfig" |
614 | ||
b34eb53c | 615 | config IOMMU_HELPER |
a8522509 | 616 | def_bool (IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB || IA64_GENERIC || SWIOTLB) |