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 |
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 |
74bc7cee | 25 | select HAVE_DMA_ATTRS |
b693919c | 26 | select HAVE_KVM |
9690ad03 | 27 | select HAVE_ARCH_TRACEHOOK |
1da177e4 LT |
28 | default y |
29 | help | |
30 | The Itanium Processor Family is Intel's 64-bit successor to | |
31 | the 32-bit X86 line. The IA-64 Linux project has a home | |
32 | page at <http://www.linuxia64.org/> and a mailing list at | |
33 | <linux-ia64@vger.kernel.org>. | |
34 | ||
35 | config 64BIT | |
36 | bool | |
9f271d57 | 37 | select ATA_NONSTANDARD if ATA |
1da177e4 LT |
38 | default y |
39 | ||
66701b14 | 40 | config ZONE_DMA |
09ae1f58 CL |
41 | def_bool y |
42 | depends on !IA64_SGI_SN2 | |
66701b14 | 43 | |
2bd62a40 CL |
44 | config QUICKLIST |
45 | bool | |
46 | default y | |
47 | ||
1da177e4 LT |
48 | config MMU |
49 | bool | |
50 | default y | |
51 | ||
6c654b5f JL |
52 | config SWIOTLB |
53 | bool | |
6c654b5f | 54 | |
a8522509 FT |
55 | config IOMMU_HELPER |
56 | bool | |
57 | ||
95c354fe NP |
58 | config GENERIC_LOCKBREAK |
59 | bool | |
60 | default y | |
61 | depends on SMP && PREEMPT | |
62 | ||
1da177e4 LT |
63 | config RWSEM_XCHGADD_ALGORITHM |
64 | bool | |
65 | default y | |
66 | ||
d9c23400 MG |
67 | config HUGETLB_PAGE_SIZE_VARIABLE |
68 | bool | |
69 | depends on HUGETLB_PAGE | |
70 | default y | |
71 | ||
2875aef8 AM |
72 | config GENERIC_FIND_NEXT_BIT |
73 | bool | |
74 | default y | |
75 | ||
1da177e4 LT |
76 | config GENERIC_CALIBRATE_DELAY |
77 | bool | |
78 | default y | |
79 | ||
0aa366f3 TL |
80 | config GENERIC_TIME |
81 | bool | |
82 | default y | |
83 | ||
84 | config GENERIC_TIME_VSYSCALL | |
1da177e4 LT |
85 | bool |
86 | default y | |
87 | ||
988c388a | 88 | config HAVE_SETUP_PER_CPU_AREA |
b32ef636 | 89 | def_bool y |
90 | ||
3ed3bce8 MD |
91 | config DMI |
92 | bool | |
93 | default y | |
94 | ||
1da177e4 LT |
95 | config EFI |
96 | bool | |
97 | default y | |
98 | ||
99 | config GENERIC_IOMAP | |
100 | bool | |
101 | default y | |
102 | ||
ae1e9130 | 103 | config SCHED_OMIT_FRAME_POINTER |
7d12e522 AB |
104 | bool |
105 | default y | |
106 | ||
f14f75b8 JS |
107 | config IA64_UNCACHED_ALLOCATOR |
108 | bool | |
109 | select GENERIC_ALLOCATOR | |
110 | ||
e65e1fc2 AV |
111 | config AUDIT_ARCH |
112 | bool | |
113 | default y | |
114 | ||
ba9cc328 IY |
115 | menuconfig PARAVIRT_GUEST |
116 | bool "Paravirtualized guest support" | |
117 | help | |
118 | Say Y here to get to see options related to running Linux under | |
119 | various hypervisors. This option alone does not add any kernel code. | |
120 | ||
121 | If you say N, all options in this submenu will be skipped and disabled. | |
122 | ||
123 | if PARAVIRT_GUEST | |
124 | ||
125 | config PARAVIRT | |
126 | bool "Enable paravirtualization code" | |
127 | depends on PARAVIRT_GUEST | |
128 | default y | |
129 | bool | |
130 | default y | |
131 | help | |
132 | This changes the kernel so it can modify itself when it is run | |
133 | under a hypervisor, potentially improving performance significantly | |
134 | over full virtualization. However, when run without a hypervisor | |
135 | the kernel is theoretically slower and slightly larger. | |
136 | ||
137 | ||
138 | source "arch/ia64/xen/Kconfig" | |
139 | ||
140 | endif | |
141 | ||
1da177e4 LT |
142 | choice |
143 | prompt "System type" | |
144 | default IA64_GENERIC | |
145 | ||
146 | config IA64_GENERIC | |
147 | bool "generic" | |
148 | select NUMA | |
149 | select ACPI_NUMA | |
d1598e05 | 150 | select SWIOTLB |
62fdd767 | 151 | select PCI_MSI |
f2b3fdc8 | 152 | select DMAR |
1da177e4 LT |
153 | help |
154 | This selects the system type of your hardware. A "generic" kernel | |
155 | will run on any supported IA-64 system. However, if you configure | |
156 | a kernel for your specific system, it will be faster and smaller. | |
157 | ||
158 | generic For any supported IA-64 system | |
159 | DIG-compliant For DIG ("Developer's Interface Guide") compliant systems | |
62fdd767 | 160 | DIG+Intel+IOMMU For DIG systems with Intel IOMMU |
1da177e4 LT |
161 | HP-zx1/sx1000 For HP systems |
162 | HP-zx1/sx1000+swiotlb For HP systems with (broken) DMA-constrained devices. | |
163 | SGI-SN2 For SGI Altix systems | |
22246614 | 164 | SGI-UV For SGI UV systems |
1da177e4 | 165 | Ski-simulator For the HP simulator <http://www.hpl.hp.com/research/linux/ski/> |
ba9cc328 | 166 | Xen-domU For xen domU system |
1da177e4 LT |
167 | |
168 | If you don't know what to do, choose "generic". | |
169 | ||
170 | config IA64_DIG | |
171 | bool "DIG-compliant" | |
d1598e05 | 172 | select SWIOTLB |
1da177e4 | 173 | |
62fdd767 FY |
174 | config IA64_DIG_VTD |
175 | bool "DIG+Intel+IOMMU" | |
176 | select DMAR | |
177 | select PCI_MSI | |
178 | ||
1da177e4 LT |
179 | config IA64_HP_ZX1 |
180 | bool "HP-zx1/sx1000" | |
181 | help | |
182 | Build a kernel that runs on HP zx1 and sx1000 systems. This adds | |
183 | support for the HP I/O MMU. | |
184 | ||
185 | config IA64_HP_ZX1_SWIOTLB | |
186 | bool "HP-zx1/sx1000 with software I/O TLB" | |
d1598e05 | 187 | select SWIOTLB |
1da177e4 LT |
188 | help |
189 | Build a kernel that runs on HP zx1 and sx1000 systems even when they | |
190 | have broken PCI devices which cannot DMA to full 32 bits. Apart | |
191 | from support for the HP I/O MMU, this includes support for the software | |
192 | I/O TLB, which allows supporting the broken devices at the expense of | |
193 | wasting some kernel memory (about 2MB by default). | |
194 | ||
195 | config IA64_SGI_SN2 | |
196 | bool "SGI-SN2" | |
bd3be240 JS |
197 | select NUMA |
198 | select ACPI_NUMA | |
1da177e4 LT |
199 | help |
200 | Selecting this option will optimize the kernel for use on sn2 based | |
201 | systems, but the resulting kernel binary will not run on other | |
202 | types of ia64 systems. If you have an SGI Altix system, it's safe | |
203 | to select this option. If in doubt, select ia64 generic support | |
204 | instead. | |
205 | ||
3351ab9b JS |
206 | config IA64_SGI_UV |
207 | bool "SGI-UV" | |
22246614 JS |
208 | select NUMA |
209 | select ACPI_NUMA | |
210 | select SWIOTLB | |
211 | help | |
212 | Selecting this option will optimize the kernel for use on UV based | |
213 | systems, but the resulting kernel binary will not run on other | |
214 | types of ia64 systems. If you have an SGI UV system, it's safe | |
215 | to select this option. If in doubt, select ia64 generic support | |
216 | instead. | |
217 | ||
1da177e4 LT |
218 | config IA64_HP_SIM |
219 | bool "Ski-simulator" | |
d1598e05 | 220 | select SWIOTLB |
1da177e4 | 221 | |
ba9cc328 IY |
222 | config IA64_XEN_GUEST |
223 | bool "Xen guest" | |
1d5b20f4 | 224 | select SWIOTLB |
ba9cc328 | 225 | depends on XEN |
1d5b20f4 IY |
226 | help |
227 | Build a kernel that runs on Xen guest domain. At this moment only | |
228 | 16KB page size in supported. | |
ba9cc328 | 229 | |
1da177e4 LT |
230 | endchoice |
231 | ||
232 | choice | |
233 | prompt "Processor type" | |
234 | default ITANIUM | |
235 | ||
236 | config ITANIUM | |
237 | bool "Itanium" | |
238 | help | |
239 | Select your IA-64 processor type. The default is Itanium. | |
240 | This choice is safe for all IA-64 systems, but may not perform | |
241 | optimally on systems with, say, Itanium 2 or newer processors. | |
242 | ||
243 | config MCKINLEY | |
244 | bool "Itanium 2" | |
245 | help | |
246 | Select this to configure for an Itanium 2 (McKinley) processor. | |
247 | ||
248 | endchoice | |
249 | ||
250 | choice | |
251 | prompt "Kernel page size" | |
252 | default IA64_PAGE_SIZE_16KB | |
253 | ||
254 | config IA64_PAGE_SIZE_4KB | |
255 | bool "4KB" | |
256 | help | |
257 | This lets you select the page size of the kernel. For best IA-64 | |
258 | performance, a page size of 8KB or 16KB is recommended. For best | |
259 | IA-32 compatibility, a page size of 4KB should be selected (the vast | |
260 | majority of IA-32 binaries work perfectly fine with a larger page | |
261 | size). For Itanium 2 or newer systems, a page size of 64KB can also | |
262 | be selected. | |
263 | ||
264 | 4KB For best IA-32 compatibility | |
265 | 8KB For best IA-64 performance | |
266 | 16KB For best IA-64 performance | |
267 | 64KB Requires Itanium 2 or newer processor. | |
268 | ||
269 | If you don't know what to do, choose 16KB. | |
270 | ||
271 | config IA64_PAGE_SIZE_8KB | |
272 | bool "8KB" | |
273 | ||
274 | config IA64_PAGE_SIZE_16KB | |
275 | bool "16KB" | |
276 | ||
277 | config IA64_PAGE_SIZE_64KB | |
278 | depends on !ITANIUM | |
279 | bool "64KB" | |
280 | ||
281 | endchoice | |
282 | ||
837cd0bd RH |
283 | choice |
284 | prompt "Page Table Levels" | |
285 | default PGTABLE_3 | |
286 | ||
287 | config PGTABLE_3 | |
288 | bool "3 Levels" | |
289 | ||
290 | config PGTABLE_4 | |
291 | depends on !IA64_PAGE_SIZE_64KB | |
292 | bool "4 Levels" | |
293 | ||
294 | endchoice | |
295 | ||
10d0aa3c TL |
296 | if IA64_HP_SIM |
297 | config HZ | |
298 | default 32 | |
299 | endif | |
300 | ||
301 | if !IA64_HP_SIM | |
b5d23e5b | 302 | source kernel/Kconfig.hz |
10d0aa3c | 303 | endif |
b5d23e5b | 304 | |
1da177e4 LT |
305 | config IA64_BRL_EMU |
306 | bool | |
307 | depends on ITANIUM | |
308 | default y | |
309 | ||
310 | # align cache-sensitive data to 128 bytes | |
311 | config IA64_L1_CACHE_SHIFT | |
312 | int | |
313 | default "7" if MCKINLEY | |
314 | default "6" if ITANIUM | |
315 | ||
1da177e4 LT |
316 | config IA64_CYCLONE |
317 | bool "Cyclone (EXA) Time Source support" | |
318 | help | |
319 | Say Y here to enable support for IBM EXA Cyclone time source. | |
320 | If you're unsure, answer N. | |
321 | ||
322 | config IOSAPIC | |
323 | bool | |
324 | depends on !IA64_HP_SIM | |
325 | default y | |
326 | ||
1da177e4 | 327 | config FORCE_MAX_ZONEORDER |
da9577c5 BP |
328 | int "MAX_ORDER (11 - 17)" if !HUGETLB_PAGE |
329 | range 11 17 if !HUGETLB_PAGE | |
330 | default "17" if HUGETLB_PAGE | |
331 | default "11" | |
1da177e4 | 332 | |
b64f34cd HS |
333 | config VIRT_CPU_ACCOUNTING |
334 | bool "Deterministic task and CPU time accounting" | |
335 | default n | |
336 | help | |
337 | Select this option to enable more accurate task and CPU time | |
338 | accounting. This is done by reading a CPU counter on each | |
339 | kernel entry and exit and on transitions within the kernel | |
340 | between system, softirq and hardirq state, so there is a | |
341 | small performance impact. | |
342 | If in doubt, say N here. | |
343 | ||
1da177e4 LT |
344 | config SMP |
345 | bool "Symmetric multi-processing support" | |
f27b433e | 346 | select USE_GENERIC_SMP_HELPERS |
1da177e4 LT |
347 | help |
348 | This enables support for systems with more than one CPU. If you have | |
349 | a system with only one CPU, say N. If you have a system with more | |
350 | than one CPU, say Y. | |
351 | ||
352 | If you say N here, the kernel will run on single and multiprocessor | |
353 | systems, but will use only one CPU of a multiprocessor system. If | |
354 | you say Y here, the kernel will run on many, but not all, | |
355 | single processor systems. On a single processor system, the kernel | |
356 | will run faster if you say N here. | |
357 | ||
03502faa AB |
358 | See also the SMP-HOWTO available at |
359 | <http://www.tldp.org/docs.html#howto>. | |
1da177e4 LT |
360 | |
361 | If you don't know what to do here, say N. | |
362 | ||
363 | config NR_CPUS | |
d1339df1 RH |
364 | int "Maximum number of CPUs (2-4096)" |
365 | range 2 4096 | |
1da177e4 | 366 | depends on SMP |
d1339df1 | 367 | default "4096" |
1da177e4 LT |
368 | help |
369 | You should set this to the number of CPUs in your system, but | |
370 | keep in mind that a kernel compiled for, e.g., 2 CPUs will boot but | |
371 | only use 2 CPUs on a >2 CPU system. Setting this to a value larger | |
372 | than 64 will cause the use of a CPU mask array, causing a small | |
373 | performance hit. | |
374 | ||
375 | config HOTPLUG_CPU | |
376 | bool "Support for hot-pluggable CPUs (EXPERIMENTAL)" | |
377 | depends on SMP && EXPERIMENTAL | |
378 | select HOTPLUG | |
379 | default n | |
380 | ---help--- | |
381 | Say Y here to experiment with turning CPUs off and on. CPUs | |
382 | can be controlled through /sys/devices/system/cpu/cpu#. | |
383 | Say N if you want to disable CPU hotplug. | |
384 | ||
cc57637b YG |
385 | config ARCH_ENABLE_MEMORY_HOTPLUG |
386 | def_bool y | |
387 | ||
0c0e6195 KH |
388 | config ARCH_ENABLE_MEMORY_HOTREMOVE |
389 | def_bool y | |
390 | ||
7a9bdd88 SS |
391 | config SCHED_SMT |
392 | bool "SMT scheduler support" | |
393 | depends on SMP | |
7a9bdd88 SS |
394 | help |
395 | Improves the CPU scheduler's decision making when dealing with | |
396 | Intel IA64 chips with MultiThreading at a cost of slightly increased | |
397 | overhead in some places. If unsure say N here. | |
398 | ||
ff741906 AR |
399 | config PERMIT_BSP_REMOVE |
400 | bool "Support removal of Bootstrap Processor" | |
401 | depends on HOTPLUG_CPU | |
402 | default n | |
403 | ---help--- | |
404 | Say Y here if your platform SAL will support removal of BSP with HOTPLUG_CPU | |
405 | support. | |
406 | ||
407 | config FORCE_CPEI_RETARGET | |
408 | bool "Force assumption that CPEI can be re-targetted" | |
409 | depends on PERMIT_BSP_REMOVE | |
410 | default n | |
411 | ---help--- | |
412 | Say Y if you need to force the assumption that CPEI can be re-targetted to | |
413 | any cpu in the system. This hint is available via ACPI 3.0 specifications. | |
414 | Tiger4 systems are capable of re-directing CPEI to any CPU other than BSP. | |
415 | This option it useful to enable this feature on older BIOS's as well. | |
416 | You can also enable this by using boot command line option force_cpei=1. | |
417 | ||
0b0517a4 | 418 | source "kernel/Kconfig.preempt" |
1da177e4 | 419 | |
3f22ab27 DH |
420 | source "mm/Kconfig" |
421 | ||
da9577c5 BP |
422 | config ARCH_SELECT_MEMORY_MODEL |
423 | def_bool y | |
424 | ||
425 | config ARCH_DISCONTIGMEM_ENABLE | |
426 | def_bool y | |
427 | help | |
428 | Say Y to support efficient handling of discontiguous physical memory, | |
429 | for architectures which are either NUMA (Non-Uniform Memory Access) | |
430 | or have huge holes in the physical address space for other reasons. | |
431 | See <file:Documentation/vm/numa> for more. | |
432 | ||
433 | config ARCH_FLATMEM_ENABLE | |
434 | def_bool y | |
435 | ||
436 | config ARCH_SPARSEMEM_ENABLE | |
437 | def_bool y | |
438 | depends on ARCH_DISCONTIGMEM_ENABLE | |
ef229c5a | 439 | select SPARSEMEM_VMEMMAP_ENABLE |
da9577c5 BP |
440 | |
441 | config ARCH_DISCONTIGMEM_DEFAULT | |
442 | def_bool y if (IA64_SGI_SN2 || IA64_GENERIC || IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB) | |
443 | depends on ARCH_DISCONTIGMEM_ENABLE | |
444 | ||
445 | config NUMA | |
446 | bool "NUMA support" | |
447 | depends on !IA64_HP_SIM && !FLATMEM | |
448 | default y if IA64_SGI_SN2 | |
6c33eb39 | 449 | select ACPI_NUMA if ACPI |
da9577c5 BP |
450 | help |
451 | Say Y to compile the kernel to support NUMA (Non-Uniform Memory | |
452 | Access). This option is for configuring high-end multiprocessor | |
453 | server systems. If in doubt, say N. | |
454 | ||
c80d79d7 YG |
455 | config NODES_SHIFT |
456 | int "Max num nodes shift(3-10)" | |
457 | range 3 10 | |
c57d68ca | 458 | default "10" |
c80d79d7 YG |
459 | depends on NEED_MULTIPLE_NODES |
460 | help | |
461 | This option specifies the maximum number of nodes in your SSI system. | |
462 | MAX_NUMNODES will be 2^(This value). | |
463 | If in doubt, use the default. | |
464 | ||
05e0caad MG |
465 | config ARCH_POPULATES_NODE_MAP |
466 | def_bool y | |
467 | ||
da9577c5 BP |
468 | # VIRTUAL_MEM_MAP and FLAT_NODE_MEM_MAP are functionally equivalent. |
469 | # VIRTUAL_MEM_MAP has been retained for historical reasons. | |
470 | config VIRTUAL_MEM_MAP | |
471 | bool "Virtual mem map" | |
472 | depends on !SPARSEMEM | |
473 | default y if !IA64_HP_SIM | |
474 | help | |
475 | Say Y to compile the kernel with support for a virtual mem map. | |
476 | This code also only takes effect if a memory hole of greater than | |
477 | 1 Gb is found during boot. You must turn this option on if you | |
478 | require the DISCONTIGMEM option for your machine. If you are | |
479 | unsure, say Y. | |
480 | ||
481 | config HOLES_IN_ZONE | |
482 | bool | |
483 | default y if VIRTUAL_MEM_MAP | |
484 | ||
485 | config HAVE_ARCH_EARLY_PFN_TO_NID | |
334f85b6 | 486 | def_bool NUMA && SPARSEMEM |
da9577c5 | 487 | |
10ad400b YG |
488 | config HAVE_ARCH_NODEDATA_EXTENSION |
489 | def_bool y | |
490 | depends on NUMA | |
491 | ||
1da177e4 LT |
492 | config IA32_SUPPORT |
493 | bool "Support for Linux/x86 binaries" | |
494 | help | |
495 | IA-64 processors can execute IA-32 (X86) instructions. By | |
496 | saying Y here, the kernel will include IA-32 system call | |
497 | emulation support which makes it possible to transparently | |
498 | run IA-32 Linux binaries on an IA-64 Linux system. | |
499 | If in doubt, say Y. | |
500 | ||
501 | config COMPAT | |
502 | bool | |
503 | depends on IA32_SUPPORT | |
504 | default y | |
505 | ||
7a6c8135 TL |
506 | config COMPAT_FOR_U64_ALIGNMENT |
507 | def_bool COMPAT | |
508 | ||
1da177e4 LT |
509 | config IA64_MCA_RECOVERY |
510 | tristate "MCA recovery from errors other than TLB." | |
511 | ||
512 | config PERFMON | |
513 | bool "Performance monitor support" | |
514 | help | |
515 | Selects whether support for the IA-64 performance monitor hardware | |
516 | is included in the kernel. This makes some kernel data-structures a | |
517 | little bigger and slows down execution a bit, but it is generally | |
518 | a good idea to turn this on. If you're unsure, say Y. | |
519 | ||
520 | config IA64_PALINFO | |
521 | tristate "/proc/pal support" | |
522 | help | |
523 | If you say Y here, you are able to get PAL (Processor Abstraction | |
524 | Layer) information in /proc/pal. This contains useful information | |
525 | about the processors in your systems, such as cache and TLB sizes | |
526 | and the PAL firmware version in use. | |
527 | ||
528 | To use this option, you have to ensure that the "/proc file system | |
529 | support" (CONFIG_PROC_FS) is enabled, too. | |
530 | ||
e9ef08bd FY |
531 | config IA64_MC_ERR_INJECT |
532 | tristate "MC error injection support" | |
533 | help | |
01dd2fbf ML |
534 | Adds support for MC error injection. If enabled, the kernel |
535 | will provide a sysfs interface for user applications to | |
536 | call MC error injection PAL procedures to inject various errors. | |
e9ef08bd FY |
537 | This is a useful tool for MCA testing. |
538 | ||
539 | If you're unsure, do not select this option. | |
540 | ||
466575f4 JS |
541 | config SGI_SN |
542 | def_bool y if (IA64_SGI_SN2 || IA64_GENERIC) | |
543 | ||
2ab561a1 DMT |
544 | config IA64_ESI |
545 | bool "ESI (Extensible SAL Interface) support" | |
546 | help | |
547 | If you say Y here, support is built into the kernel to | |
548 | make ESI calls. ESI calls are used to support vendor-specific | |
549 | firmware extensions, such as the ability to inject memory-errors | |
550 | for test-purposes. If you're unsure, say N. | |
551 | ||
28eda5b8 BH |
552 | config IA64_HP_AML_NFW |
553 | bool "Support ACPI AML calls to native firmware" | |
554 | help | |
555 | This driver installs a global ACPI Operation Region handler for | |
556 | region 0xA1. AML methods can use this OpRegion to call arbitrary | |
557 | native firmware functions. The driver installs the OpRegion | |
558 | handler if there is an HPQ5001 device or if the user supplies | |
559 | the "force" module parameter, e.g., with the "aml_nfw.force" | |
560 | kernel command line option. | |
561 | ||
c1311af1 BC |
562 | source "drivers/sn/Kconfig" |
563 | ||
a7956113 ZN |
564 | config KEXEC |
565 | bool "kexec system call (EXPERIMENTAL)" | |
566 | depends on EXPERIMENTAL && !IA64_HP_SIM && (!SMP || HOTPLUG_CPU) | |
567 | help | |
568 | kexec is a system call that implements the ability to shutdown your | |
569 | current kernel, and to start another kernel. It is like a reboot | |
3dde6ad8 | 570 | but it is independent of the system firmware. And like a reboot |
a7956113 ZN |
571 | you can start any kernel with it, not just Linux. |
572 | ||
01dd2fbf | 573 | The name comes from the similarity to the exec system call. |
a7956113 ZN |
574 | |
575 | It is an ongoing process to be certain the hardware in a machine | |
576 | is properly shutdown, so do not be surprised if this code does not | |
577 | initially work for you. It may help to enable device hotplugging | |
578 | support. As of this writing the exact hardware interface is | |
579 | strongly in flux, so no good recommendation can be made. | |
580 | ||
581 | config CRASH_DUMP | |
fb86611f BW |
582 | bool "kernel crash dumps" |
583 | depends on IA64_MCA_RECOVERY && !IA64_HP_SIM && (!SMP || HOTPLUG_CPU) | |
a7956113 ZN |
584 | help |
585 | Generate crash dump after being started by kexec. | |
586 | ||
1da177e4 LT |
587 | source "drivers/firmware/Kconfig" |
588 | ||
589 | source "fs/Kconfig.binfmt" | |
590 | ||
591 | endmenu | |
592 | ||
1547a012 | 593 | menu "Power management and ACPI options" |
1da177e4 | 594 | |
eb7b6b32 | 595 | source "kernel/power/Kconfig" |
1da177e4 LT |
596 | |
597 | source "drivers/acpi/Kconfig" | |
598 | ||
4db8699b VP |
599 | if PM |
600 | ||
601 | source "arch/ia64/kernel/cpufreq/Kconfig" | |
602 | ||
603 | endif | |
604 | ||
1da177e4 LT |
605 | endmenu |
606 | ||
607 | if !IA64_HP_SIM | |
608 | ||
609 | menu "Bus options (PCI, PCMCIA)" | |
610 | ||
611 | config PCI | |
612 | bool "PCI support" | |
613 | help | |
85f265d8 CH |
614 | Real IA-64 machines all have PCI/PCI-X/PCI Express busses. Say Y |
615 | here unless you are using a simulator without PCI support. | |
1da177e4 LT |
616 | |
617 | config PCI_DOMAINS | |
36e23590 MW |
618 | def_bool PCI |
619 | ||
620 | config PCI_SYSCALL | |
621 | def_bool PCI | |
1da177e4 | 622 | |
b7bb575c KK |
623 | source "drivers/pci/pcie/Kconfig" |
624 | ||
1da177e4 LT |
625 | source "drivers/pci/Kconfig" |
626 | ||
627 | source "drivers/pci/hotplug/Kconfig" | |
628 | ||
629 | source "drivers/pcmcia/Kconfig" | |
630 | ||
62fdd767 FY |
631 | config DMAR |
632 | bool "Support for DMA Remapping Devices (EXPERIMENTAL)" | |
633 | depends on IA64_GENERIC && ACPI && EXPERIMENTAL | |
634 | help | |
635 | DMA remapping (DMAR) devices support enables independent address | |
636 | translations for Direct Memory Access (DMA) from devices. | |
637 | These DMA remapping devices are reported via ACPI tables | |
638 | and include PCI device scope covered by these DMA | |
639 | remapping devices. | |
640 | ||
1da177e4 LT |
641 | endmenu |
642 | ||
643 | endif | |
644 | ||
d5950b43 SR |
645 | source "net/Kconfig" |
646 | ||
1da177e4 LT |
647 | source "drivers/Kconfig" |
648 | ||
1547a012 BH |
649 | source "arch/ia64/hp/sim/Kconfig" |
650 | ||
1a4b0fc5 JS |
651 | config MSPEC |
652 | tristate "Memory special operations driver" | |
653 | depends on IA64 | |
654 | select IA64_UNCACHED_ALLOCATOR | |
655 | help | |
656 | If you have an ia64 and you want to enable memory special | |
657 | operations support (formerly known as fetchop), say Y here, | |
658 | otherwise say N. | |
659 | ||
1da177e4 LT |
660 | source "fs/Kconfig" |
661 | ||
1547a012 BH |
662 | source "arch/ia64/Kconfig.debug" |
663 | ||
664 | source "security/Kconfig" | |
665 | ||
666 | source "crypto/Kconfig" | |
667 | ||
b693919c XZ |
668 | source "arch/ia64/kvm/Kconfig" |
669 | ||
1da177e4 LT |
670 | source "lib/Kconfig" |
671 | ||
672 | # | |
673 | # Use the generic interrupt handling code in kernel/irq/: | |
674 | # | |
675 | config GENERIC_HARDIRQS | |
676 | bool | |
677 | default y | |
678 | ||
679 | config GENERIC_IRQ_PROBE | |
680 | bool | |
681 | default y | |
682 | ||
54d5d424 AR |
683 | config GENERIC_PENDING_IRQ |
684 | bool | |
685 | depends on GENERIC_HARDIRQS && SMP | |
686 | default y | |
687 | ||
0d7012a9 IM |
688 | config IRQ_PER_CPU |
689 | bool | |
690 | default y | |
691 | ||
b34eb53c | 692 | config IOMMU_HELPER |
a8522509 | 693 | def_bool (IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB || IA64_GENERIC || SWIOTLB) |
1aaf1183 JR |
694 | |
695 | config IOMMU_API | |
696 | def_bool (DMAR) |