Commit | Line | Data |
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1da177e4 LT |
1 | # |
2 | # For a description of the syntax of this configuration file, | |
3 | # see Documentation/kbuild/kconfig-language.txt. | |
4 | # | |
5 | ||
6 | mainmenu "IA-64 Linux Kernel Configuration" | |
7 | ||
8 | source "init/Kconfig" | |
9 | ||
dc52ddc0 MH |
10 | source "kernel/Kconfig.freezer" |
11 | ||
1da177e4 LT |
12 | menu "Processor type and features" |
13 | ||
14 | config IA64 | |
15 | bool | |
06f87adf LB |
16 | select PCI if (!IA64_HP_SIM) |
17 | select ACPI if (!IA64_HP_SIM) | |
8140a90e | 18 | select PM if (!IA64_HP_SIM) |
f282b970 | 19 | select ARCH_SUPPORTS_MSI |
ec7748b5 | 20 | select HAVE_IDE |
42d4b839 | 21 | select HAVE_OPROFILE |
3f550096 | 22 | select HAVE_KPROBES |
9edddaa2 | 23 | select HAVE_KRETPROBES |
74bc7cee | 24 | select HAVE_DMA_ATTRS |
b693919c | 25 | select HAVE_KVM |
9690ad03 | 26 | select HAVE_ARCH_TRACEHOOK |
1da177e4 LT |
27 | default y |
28 | help | |
29 | The Itanium Processor Family is Intel's 64-bit successor to | |
30 | the 32-bit X86 line. The IA-64 Linux project has a home | |
31 | page at <http://www.linuxia64.org/> and a mailing list at | |
32 | <linux-ia64@vger.kernel.org>. | |
33 | ||
34 | config 64BIT | |
35 | bool | |
9f271d57 | 36 | select ATA_NONSTANDARD if ATA |
1da177e4 LT |
37 | default y |
38 | ||
66701b14 | 39 | config ZONE_DMA |
09ae1f58 CL |
40 | def_bool y |
41 | depends on !IA64_SGI_SN2 | |
66701b14 | 42 | |
2bd62a40 CL |
43 | config QUICKLIST |
44 | bool | |
45 | default y | |
46 | ||
1da177e4 LT |
47 | config MMU |
48 | bool | |
49 | default y | |
50 | ||
6c654b5f JL |
51 | config SWIOTLB |
52 | bool | |
6c654b5f | 53 | |
a8522509 FT |
54 | config IOMMU_HELPER |
55 | bool | |
56 | ||
95c354fe NP |
57 | config GENERIC_LOCKBREAK |
58 | bool | |
59 | default y | |
60 | depends on SMP && PREEMPT | |
61 | ||
1da177e4 LT |
62 | config RWSEM_XCHGADD_ALGORITHM |
63 | bool | |
64 | default y | |
65 | ||
d9c23400 MG |
66 | config HUGETLB_PAGE_SIZE_VARIABLE |
67 | bool | |
68 | depends on HUGETLB_PAGE | |
69 | default y | |
70 | ||
2875aef8 AM |
71 | config GENERIC_FIND_NEXT_BIT |
72 | bool | |
73 | default y | |
74 | ||
1da177e4 LT |
75 | config GENERIC_CALIBRATE_DELAY |
76 | bool | |
77 | default y | |
78 | ||
0aa366f3 TL |
79 | config GENERIC_TIME |
80 | bool | |
81 | default y | |
82 | ||
83 | config GENERIC_TIME_VSYSCALL | |
1da177e4 LT |
84 | bool |
85 | default y | |
86 | ||
988c388a | 87 | config HAVE_SETUP_PER_CPU_AREA |
b32ef636 | 88 | def_bool y |
89 | ||
3ed3bce8 MD |
90 | config DMI |
91 | bool | |
92 | default y | |
93 | ||
1da177e4 LT |
94 | config EFI |
95 | bool | |
96 | default y | |
97 | ||
98 | config GENERIC_IOMAP | |
99 | bool | |
100 | default y | |
101 | ||
7d12e522 AB |
102 | config SCHED_NO_NO_OMIT_FRAME_POINTER |
103 | bool | |
104 | default y | |
105 | ||
f14f75b8 JS |
106 | config IA64_UNCACHED_ALLOCATOR |
107 | bool | |
108 | select GENERIC_ALLOCATOR | |
109 | ||
e65e1fc2 AV |
110 | config AUDIT_ARCH |
111 | bool | |
112 | default y | |
113 | ||
ba9cc328 IY |
114 | menuconfig PARAVIRT_GUEST |
115 | bool "Paravirtualized guest support" | |
116 | help | |
117 | Say Y here to get to see options related to running Linux under | |
118 | various hypervisors. This option alone does not add any kernel code. | |
119 | ||
120 | If you say N, all options in this submenu will be skipped and disabled. | |
121 | ||
122 | if PARAVIRT_GUEST | |
123 | ||
124 | config PARAVIRT | |
125 | bool "Enable paravirtualization code" | |
126 | depends on PARAVIRT_GUEST | |
127 | default y | |
128 | bool | |
129 | default y | |
130 | help | |
131 | This changes the kernel so it can modify itself when it is run | |
132 | under a hypervisor, potentially improving performance significantly | |
133 | over full virtualization. However, when run without a hypervisor | |
134 | the kernel is theoretically slower and slightly larger. | |
135 | ||
136 | ||
137 | source "arch/ia64/xen/Kconfig" | |
138 | ||
139 | endif | |
140 | ||
1da177e4 LT |
141 | choice |
142 | prompt "System type" | |
143 | default IA64_GENERIC | |
144 | ||
145 | config IA64_GENERIC | |
146 | bool "generic" | |
147 | select NUMA | |
148 | select ACPI_NUMA | |
d1598e05 | 149 | select SWIOTLB |
62fdd767 | 150 | select PCI_MSI |
1da177e4 LT |
151 | help |
152 | This selects the system type of your hardware. A "generic" kernel | |
153 | will run on any supported IA-64 system. However, if you configure | |
154 | a kernel for your specific system, it will be faster and smaller. | |
155 | ||
156 | generic For any supported IA-64 system | |
157 | DIG-compliant For DIG ("Developer's Interface Guide") compliant systems | |
62fdd767 | 158 | DIG+Intel+IOMMU For DIG systems with Intel IOMMU |
1da177e4 LT |
159 | HP-zx1/sx1000 For HP systems |
160 | HP-zx1/sx1000+swiotlb For HP systems with (broken) DMA-constrained devices. | |
161 | SGI-SN2 For SGI Altix systems | |
22246614 | 162 | SGI-UV For SGI UV systems |
1da177e4 | 163 | Ski-simulator For the HP simulator <http://www.hpl.hp.com/research/linux/ski/> |
ba9cc328 | 164 | Xen-domU For xen domU system |
1da177e4 LT |
165 | |
166 | If you don't know what to do, choose "generic". | |
167 | ||
168 | config IA64_DIG | |
169 | bool "DIG-compliant" | |
d1598e05 | 170 | select SWIOTLB |
1da177e4 | 171 | |
62fdd767 FY |
172 | config IA64_DIG_VTD |
173 | bool "DIG+Intel+IOMMU" | |
174 | select DMAR | |
175 | select PCI_MSI | |
176 | ||
1da177e4 LT |
177 | config IA64_HP_ZX1 |
178 | bool "HP-zx1/sx1000" | |
179 | help | |
180 | Build a kernel that runs on HP zx1 and sx1000 systems. This adds | |
181 | support for the HP I/O MMU. | |
182 | ||
183 | config IA64_HP_ZX1_SWIOTLB | |
184 | bool "HP-zx1/sx1000 with software I/O TLB" | |
d1598e05 | 185 | select SWIOTLB |
1da177e4 LT |
186 | help |
187 | Build a kernel that runs on HP zx1 and sx1000 systems even when they | |
188 | have broken PCI devices which cannot DMA to full 32 bits. Apart | |
189 | from support for the HP I/O MMU, this includes support for the software | |
190 | I/O TLB, which allows supporting the broken devices at the expense of | |
191 | wasting some kernel memory (about 2MB by default). | |
192 | ||
193 | config IA64_SGI_SN2 | |
194 | bool "SGI-SN2" | |
bd3be240 JS |
195 | select NUMA |
196 | select ACPI_NUMA | |
1da177e4 LT |
197 | help |
198 | Selecting this option will optimize the kernel for use on sn2 based | |
199 | systems, but the resulting kernel binary will not run on other | |
200 | types of ia64 systems. If you have an SGI Altix system, it's safe | |
201 | to select this option. If in doubt, select ia64 generic support | |
202 | instead. | |
203 | ||
3351ab9b JS |
204 | config IA64_SGI_UV |
205 | bool "SGI-UV" | |
22246614 JS |
206 | select NUMA |
207 | select ACPI_NUMA | |
208 | select SWIOTLB | |
209 | help | |
210 | Selecting this option will optimize the kernel for use on UV based | |
211 | systems, but the resulting kernel binary will not run on other | |
212 | types of ia64 systems. If you have an SGI UV system, it's safe | |
213 | to select this option. If in doubt, select ia64 generic support | |
214 | instead. | |
215 | ||
1da177e4 LT |
216 | config IA64_HP_SIM |
217 | bool "Ski-simulator" | |
d1598e05 | 218 | select SWIOTLB |
1da177e4 | 219 | |
ba9cc328 IY |
220 | config IA64_XEN_GUEST |
221 | bool "Xen guest" | |
222 | depends on XEN | |
223 | ||
1da177e4 LT |
224 | endchoice |
225 | ||
226 | choice | |
227 | prompt "Processor type" | |
228 | default ITANIUM | |
229 | ||
230 | config ITANIUM | |
231 | bool "Itanium" | |
232 | help | |
233 | Select your IA-64 processor type. The default is Itanium. | |
234 | This choice is safe for all IA-64 systems, but may not perform | |
235 | optimally on systems with, say, Itanium 2 or newer processors. | |
236 | ||
237 | config MCKINLEY | |
238 | bool "Itanium 2" | |
239 | help | |
240 | Select this to configure for an Itanium 2 (McKinley) processor. | |
241 | ||
242 | endchoice | |
243 | ||
244 | choice | |
245 | prompt "Kernel page size" | |
246 | default IA64_PAGE_SIZE_16KB | |
247 | ||
248 | config IA64_PAGE_SIZE_4KB | |
249 | bool "4KB" | |
250 | help | |
251 | This lets you select the page size of the kernel. For best IA-64 | |
252 | performance, a page size of 8KB or 16KB is recommended. For best | |
253 | IA-32 compatibility, a page size of 4KB should be selected (the vast | |
254 | majority of IA-32 binaries work perfectly fine with a larger page | |
255 | size). For Itanium 2 or newer systems, a page size of 64KB can also | |
256 | be selected. | |
257 | ||
258 | 4KB For best IA-32 compatibility | |
259 | 8KB For best IA-64 performance | |
260 | 16KB For best IA-64 performance | |
261 | 64KB Requires Itanium 2 or newer processor. | |
262 | ||
263 | If you don't know what to do, choose 16KB. | |
264 | ||
265 | config IA64_PAGE_SIZE_8KB | |
266 | bool "8KB" | |
267 | ||
268 | config IA64_PAGE_SIZE_16KB | |
269 | bool "16KB" | |
270 | ||
271 | config IA64_PAGE_SIZE_64KB | |
272 | depends on !ITANIUM | |
273 | bool "64KB" | |
274 | ||
275 | endchoice | |
276 | ||
837cd0bd RH |
277 | choice |
278 | prompt "Page Table Levels" | |
279 | default PGTABLE_3 | |
280 | ||
281 | config PGTABLE_3 | |
282 | bool "3 Levels" | |
283 | ||
284 | config PGTABLE_4 | |
285 | depends on !IA64_PAGE_SIZE_64KB | |
286 | bool "4 Levels" | |
287 | ||
288 | endchoice | |
289 | ||
10d0aa3c TL |
290 | if IA64_HP_SIM |
291 | config HZ | |
292 | default 32 | |
293 | endif | |
294 | ||
295 | if !IA64_HP_SIM | |
b5d23e5b | 296 | source kernel/Kconfig.hz |
10d0aa3c | 297 | endif |
b5d23e5b | 298 | |
1da177e4 LT |
299 | config IA64_BRL_EMU |
300 | bool | |
301 | depends on ITANIUM | |
302 | default y | |
303 | ||
304 | # align cache-sensitive data to 128 bytes | |
305 | config IA64_L1_CACHE_SHIFT | |
306 | int | |
307 | default "7" if MCKINLEY | |
308 | default "6" if ITANIUM | |
309 | ||
1da177e4 LT |
310 | config IA64_CYCLONE |
311 | bool "Cyclone (EXA) Time Source support" | |
312 | help | |
313 | Say Y here to enable support for IBM EXA Cyclone time source. | |
314 | If you're unsure, answer N. | |
315 | ||
316 | config IOSAPIC | |
317 | bool | |
318 | depends on !IA64_HP_SIM | |
319 | default y | |
320 | ||
1da177e4 | 321 | config FORCE_MAX_ZONEORDER |
da9577c5 BP |
322 | int "MAX_ORDER (11 - 17)" if !HUGETLB_PAGE |
323 | range 11 17 if !HUGETLB_PAGE | |
324 | default "17" if HUGETLB_PAGE | |
325 | default "11" | |
1da177e4 | 326 | |
b64f34cd HS |
327 | config VIRT_CPU_ACCOUNTING |
328 | bool "Deterministic task and CPU time accounting" | |
329 | default n | |
330 | help | |
331 | Select this option to enable more accurate task and CPU time | |
332 | accounting. This is done by reading a CPU counter on each | |
333 | kernel entry and exit and on transitions within the kernel | |
334 | between system, softirq and hardirq state, so there is a | |
335 | small performance impact. | |
336 | If in doubt, say N here. | |
337 | ||
1da177e4 LT |
338 | config SMP |
339 | bool "Symmetric multi-processing support" | |
f27b433e | 340 | select USE_GENERIC_SMP_HELPERS |
1da177e4 LT |
341 | help |
342 | This enables support for systems with more than one CPU. If you have | |
343 | a system with only one CPU, say N. If you have a system with more | |
344 | than one CPU, say Y. | |
345 | ||
346 | If you say N here, the kernel will run on single and multiprocessor | |
347 | systems, but will use only one CPU of a multiprocessor system. If | |
348 | you say Y here, the kernel will run on many, but not all, | |
349 | single processor systems. On a single processor system, the kernel | |
350 | will run faster if you say N here. | |
351 | ||
03502faa AB |
352 | See also the SMP-HOWTO available at |
353 | <http://www.tldp.org/docs.html#howto>. | |
1da177e4 LT |
354 | |
355 | If you don't know what to do here, say N. | |
356 | ||
357 | config NR_CPUS | |
d1339df1 RH |
358 | int "Maximum number of CPUs (2-4096)" |
359 | range 2 4096 | |
1da177e4 | 360 | depends on SMP |
d1339df1 | 361 | default "4096" |
1da177e4 LT |
362 | help |
363 | You should set this to the number of CPUs in your system, but | |
364 | keep in mind that a kernel compiled for, e.g., 2 CPUs will boot but | |
365 | only use 2 CPUs on a >2 CPU system. Setting this to a value larger | |
366 | than 64 will cause the use of a CPU mask array, causing a small | |
367 | performance hit. | |
368 | ||
369 | config HOTPLUG_CPU | |
370 | bool "Support for hot-pluggable CPUs (EXPERIMENTAL)" | |
371 | depends on SMP && EXPERIMENTAL | |
372 | select HOTPLUG | |
373 | default n | |
374 | ---help--- | |
375 | Say Y here to experiment with turning CPUs off and on. CPUs | |
376 | can be controlled through /sys/devices/system/cpu/cpu#. | |
377 | Say N if you want to disable CPU hotplug. | |
378 | ||
cc57637b YG |
379 | config ARCH_ENABLE_MEMORY_HOTPLUG |
380 | def_bool y | |
381 | ||
0c0e6195 KH |
382 | config ARCH_ENABLE_MEMORY_HOTREMOVE |
383 | def_bool y | |
384 | ||
7a9bdd88 SS |
385 | config SCHED_SMT |
386 | bool "SMT scheduler support" | |
387 | depends on SMP | |
7a9bdd88 SS |
388 | help |
389 | Improves the CPU scheduler's decision making when dealing with | |
390 | Intel IA64 chips with MultiThreading at a cost of slightly increased | |
391 | overhead in some places. If unsure say N here. | |
392 | ||
ff741906 AR |
393 | config PERMIT_BSP_REMOVE |
394 | bool "Support removal of Bootstrap Processor" | |
395 | depends on HOTPLUG_CPU | |
396 | default n | |
397 | ---help--- | |
398 | Say Y here if your platform SAL will support removal of BSP with HOTPLUG_CPU | |
399 | support. | |
400 | ||
401 | config FORCE_CPEI_RETARGET | |
402 | bool "Force assumption that CPEI can be re-targetted" | |
403 | depends on PERMIT_BSP_REMOVE | |
404 | default n | |
405 | ---help--- | |
406 | Say Y if you need to force the assumption that CPEI can be re-targetted to | |
407 | any cpu in the system. This hint is available via ACPI 3.0 specifications. | |
408 | Tiger4 systems are capable of re-directing CPEI to any CPU other than BSP. | |
409 | This option it useful to enable this feature on older BIOS's as well. | |
410 | You can also enable this by using boot command line option force_cpei=1. | |
411 | ||
0b0517a4 | 412 | source "kernel/Kconfig.preempt" |
1da177e4 | 413 | |
3f22ab27 DH |
414 | source "mm/Kconfig" |
415 | ||
da9577c5 BP |
416 | config ARCH_SELECT_MEMORY_MODEL |
417 | def_bool y | |
418 | ||
419 | config ARCH_DISCONTIGMEM_ENABLE | |
420 | def_bool y | |
421 | help | |
422 | Say Y to support efficient handling of discontiguous physical memory, | |
423 | for architectures which are either NUMA (Non-Uniform Memory Access) | |
424 | or have huge holes in the physical address space for other reasons. | |
425 | See <file:Documentation/vm/numa> for more. | |
426 | ||
427 | config ARCH_FLATMEM_ENABLE | |
428 | def_bool y | |
429 | ||
430 | config ARCH_SPARSEMEM_ENABLE | |
431 | def_bool y | |
432 | depends on ARCH_DISCONTIGMEM_ENABLE | |
ef229c5a | 433 | select SPARSEMEM_VMEMMAP_ENABLE |
da9577c5 BP |
434 | |
435 | config ARCH_DISCONTIGMEM_DEFAULT | |
436 | def_bool y if (IA64_SGI_SN2 || IA64_GENERIC || IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB) | |
437 | depends on ARCH_DISCONTIGMEM_ENABLE | |
438 | ||
439 | config NUMA | |
440 | bool "NUMA support" | |
441 | depends on !IA64_HP_SIM && !FLATMEM | |
442 | default y if IA64_SGI_SN2 | |
6c33eb39 | 443 | select ACPI_NUMA if ACPI |
da9577c5 BP |
444 | help |
445 | Say Y to compile the kernel to support NUMA (Non-Uniform Memory | |
446 | Access). This option is for configuring high-end multiprocessor | |
447 | server systems. If in doubt, say N. | |
448 | ||
c80d79d7 YG |
449 | config NODES_SHIFT |
450 | int "Max num nodes shift(3-10)" | |
451 | range 3 10 | |
c57d68ca | 452 | default "10" |
c80d79d7 YG |
453 | depends on NEED_MULTIPLE_NODES |
454 | help | |
455 | This option specifies the maximum number of nodes in your SSI system. | |
456 | MAX_NUMNODES will be 2^(This value). | |
457 | If in doubt, use the default. | |
458 | ||
05e0caad MG |
459 | config ARCH_POPULATES_NODE_MAP |
460 | def_bool y | |
461 | ||
da9577c5 BP |
462 | # VIRTUAL_MEM_MAP and FLAT_NODE_MEM_MAP are functionally equivalent. |
463 | # VIRTUAL_MEM_MAP has been retained for historical reasons. | |
464 | config VIRTUAL_MEM_MAP | |
465 | bool "Virtual mem map" | |
466 | depends on !SPARSEMEM | |
467 | default y if !IA64_HP_SIM | |
468 | help | |
469 | Say Y to compile the kernel with support for a virtual mem map. | |
470 | This code also only takes effect if a memory hole of greater than | |
471 | 1 Gb is found during boot. You must turn this option on if you | |
472 | require the DISCONTIGMEM option for your machine. If you are | |
473 | unsure, say Y. | |
474 | ||
475 | config HOLES_IN_ZONE | |
476 | bool | |
477 | default y if VIRTUAL_MEM_MAP | |
478 | ||
479 | config HAVE_ARCH_EARLY_PFN_TO_NID | |
480 | def_bool y | |
481 | depends on NEED_MULTIPLE_NODES | |
482 | ||
10ad400b YG |
483 | config HAVE_ARCH_NODEDATA_EXTENSION |
484 | def_bool y | |
485 | depends on NUMA | |
486 | ||
1da177e4 LT |
487 | config IA32_SUPPORT |
488 | bool "Support for Linux/x86 binaries" | |
489 | help | |
490 | IA-64 processors can execute IA-32 (X86) instructions. By | |
491 | saying Y here, the kernel will include IA-32 system call | |
492 | emulation support which makes it possible to transparently | |
493 | run IA-32 Linux binaries on an IA-64 Linux system. | |
494 | If in doubt, say Y. | |
495 | ||
496 | config COMPAT | |
497 | bool | |
498 | depends on IA32_SUPPORT | |
499 | default y | |
500 | ||
7a6c8135 TL |
501 | config COMPAT_FOR_U64_ALIGNMENT |
502 | def_bool COMPAT | |
503 | ||
1da177e4 LT |
504 | config IA64_MCA_RECOVERY |
505 | tristate "MCA recovery from errors other than TLB." | |
506 | ||
507 | config PERFMON | |
508 | bool "Performance monitor support" | |
509 | help | |
510 | Selects whether support for the IA-64 performance monitor hardware | |
511 | is included in the kernel. This makes some kernel data-structures a | |
512 | little bigger and slows down execution a bit, but it is generally | |
513 | a good idea to turn this on. If you're unsure, say Y. | |
514 | ||
515 | config IA64_PALINFO | |
516 | tristate "/proc/pal support" | |
517 | help | |
518 | If you say Y here, you are able to get PAL (Processor Abstraction | |
519 | Layer) information in /proc/pal. This contains useful information | |
520 | about the processors in your systems, such as cache and TLB sizes | |
521 | and the PAL firmware version in use. | |
522 | ||
523 | To use this option, you have to ensure that the "/proc file system | |
524 | support" (CONFIG_PROC_FS) is enabled, too. | |
525 | ||
e9ef08bd FY |
526 | config IA64_MC_ERR_INJECT |
527 | tristate "MC error injection support" | |
528 | help | |
01dd2fbf ML |
529 | Adds support for MC error injection. If enabled, the kernel |
530 | will provide a sysfs interface for user applications to | |
531 | call MC error injection PAL procedures to inject various errors. | |
e9ef08bd FY |
532 | This is a useful tool for MCA testing. |
533 | ||
534 | If you're unsure, do not select this option. | |
535 | ||
466575f4 JS |
536 | config SGI_SN |
537 | def_bool y if (IA64_SGI_SN2 || IA64_GENERIC) | |
538 | ||
2ab561a1 DMT |
539 | config IA64_ESI |
540 | bool "ESI (Extensible SAL Interface) support" | |
541 | help | |
542 | If you say Y here, support is built into the kernel to | |
543 | make ESI calls. ESI calls are used to support vendor-specific | |
544 | firmware extensions, such as the ability to inject memory-errors | |
545 | for test-purposes. If you're unsure, say N. | |
546 | ||
28eda5b8 BH |
547 | config IA64_HP_AML_NFW |
548 | bool "Support ACPI AML calls to native firmware" | |
549 | help | |
550 | This driver installs a global ACPI Operation Region handler for | |
551 | region 0xA1. AML methods can use this OpRegion to call arbitrary | |
552 | native firmware functions. The driver installs the OpRegion | |
553 | handler if there is an HPQ5001 device or if the user supplies | |
554 | the "force" module parameter, e.g., with the "aml_nfw.force" | |
555 | kernel command line option. | |
556 | ||
c1311af1 BC |
557 | source "drivers/sn/Kconfig" |
558 | ||
a7956113 ZN |
559 | config KEXEC |
560 | bool "kexec system call (EXPERIMENTAL)" | |
561 | depends on EXPERIMENTAL && !IA64_HP_SIM && (!SMP || HOTPLUG_CPU) | |
562 | help | |
563 | kexec is a system call that implements the ability to shutdown your | |
564 | current kernel, and to start another kernel. It is like a reboot | |
3dde6ad8 | 565 | but it is independent of the system firmware. And like a reboot |
a7956113 ZN |
566 | you can start any kernel with it, not just Linux. |
567 | ||
01dd2fbf | 568 | The name comes from the similarity to the exec system call. |
a7956113 ZN |
569 | |
570 | It is an ongoing process to be certain the hardware in a machine | |
571 | is properly shutdown, so do not be surprised if this code does not | |
572 | initially work for you. It may help to enable device hotplugging | |
573 | support. As of this writing the exact hardware interface is | |
574 | strongly in flux, so no good recommendation can be made. | |
575 | ||
576 | config CRASH_DUMP | |
fb86611f BW |
577 | bool "kernel crash dumps" |
578 | depends on IA64_MCA_RECOVERY && !IA64_HP_SIM && (!SMP || HOTPLUG_CPU) | |
a7956113 ZN |
579 | help |
580 | Generate crash dump after being started by kexec. | |
581 | ||
1da177e4 LT |
582 | source "drivers/firmware/Kconfig" |
583 | ||
584 | source "fs/Kconfig.binfmt" | |
585 | ||
586 | endmenu | |
587 | ||
588 | menu "Power management and ACPI" | |
589 | ||
eb7b6b32 | 590 | source "kernel/power/Kconfig" |
1da177e4 LT |
591 | |
592 | source "drivers/acpi/Kconfig" | |
593 | ||
4db8699b VP |
594 | if PM |
595 | ||
596 | source "arch/ia64/kernel/cpufreq/Kconfig" | |
597 | ||
598 | endif | |
599 | ||
1da177e4 LT |
600 | endmenu |
601 | ||
602 | if !IA64_HP_SIM | |
603 | ||
604 | menu "Bus options (PCI, PCMCIA)" | |
605 | ||
606 | config PCI | |
607 | bool "PCI support" | |
608 | help | |
85f265d8 CH |
609 | Real IA-64 machines all have PCI/PCI-X/PCI Express busses. Say Y |
610 | here unless you are using a simulator without PCI support. | |
1da177e4 LT |
611 | |
612 | config PCI_DOMAINS | |
36e23590 MW |
613 | def_bool PCI |
614 | ||
615 | config PCI_SYSCALL | |
616 | def_bool PCI | |
1da177e4 | 617 | |
b7bb575c KK |
618 | source "drivers/pci/pcie/Kconfig" |
619 | ||
1da177e4 LT |
620 | source "drivers/pci/Kconfig" |
621 | ||
622 | source "drivers/pci/hotplug/Kconfig" | |
623 | ||
624 | source "drivers/pcmcia/Kconfig" | |
625 | ||
62fdd767 FY |
626 | config DMAR |
627 | bool "Support for DMA Remapping Devices (EXPERIMENTAL)" | |
628 | depends on IA64_GENERIC && ACPI && EXPERIMENTAL | |
629 | help | |
630 | DMA remapping (DMAR) devices support enables independent address | |
631 | translations for Direct Memory Access (DMA) from devices. | |
632 | These DMA remapping devices are reported via ACPI tables | |
633 | and include PCI device scope covered by these DMA | |
634 | remapping devices. | |
635 | ||
1da177e4 LT |
636 | endmenu |
637 | ||
638 | endif | |
639 | ||
d5950b43 SR |
640 | source "net/Kconfig" |
641 | ||
1da177e4 LT |
642 | source "drivers/Kconfig" |
643 | ||
1a4b0fc5 JS |
644 | config MSPEC |
645 | tristate "Memory special operations driver" | |
646 | depends on IA64 | |
647 | select IA64_UNCACHED_ALLOCATOR | |
648 | help | |
649 | If you have an ia64 and you want to enable memory special | |
650 | operations support (formerly known as fetchop), say Y here, | |
651 | otherwise say N. | |
652 | ||
1da177e4 LT |
653 | source "fs/Kconfig" |
654 | ||
b693919c XZ |
655 | source "arch/ia64/kvm/Kconfig" |
656 | ||
1da177e4 LT |
657 | source "lib/Kconfig" |
658 | ||
659 | # | |
660 | # Use the generic interrupt handling code in kernel/irq/: | |
661 | # | |
662 | config GENERIC_HARDIRQS | |
663 | bool | |
664 | default y | |
665 | ||
666 | config GENERIC_IRQ_PROBE | |
667 | bool | |
668 | default y | |
669 | ||
54d5d424 AR |
670 | config GENERIC_PENDING_IRQ |
671 | bool | |
672 | depends on GENERIC_HARDIRQS && SMP | |
673 | default y | |
674 | ||
0d7012a9 IM |
675 | config IRQ_PER_CPU |
676 | bool | |
677 | default y | |
678 | ||
b34eb53c | 679 | config IOMMU_HELPER |
a8522509 | 680 | def_bool (IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB || IA64_GENERIC || SWIOTLB) |
b34eb53c | 681 | |
1da177e4 LT |
682 | source "arch/ia64/hp/sim/Kconfig" |
683 | ||
1da177e4 LT |
684 | source "arch/ia64/Kconfig.debug" |
685 | ||
686 | source "security/Kconfig" | |
687 | ||
688 | source "crypto/Kconfig" |