Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | source "init/Kconfig" |
2 | ||
dc52ddc0 MH |
3 | source "kernel/Kconfig.freezer" |
4 | ||
1da177e4 LT |
5 | menu "Processor type and features" |
6 | ||
7 | config IA64 | |
8 | bool | |
06f87adf LB |
9 | select PCI if (!IA64_HP_SIM) |
10 | select ACPI if (!IA64_HP_SIM) | |
8140a90e | 11 | select PM if (!IA64_HP_SIM) |
f282b970 | 12 | select ARCH_SUPPORTS_MSI |
0773a6cf | 13 | select HAVE_UNSTABLE_SCHED_CLOCK |
ec7748b5 | 14 | select HAVE_IDE |
42d4b839 | 15 | select HAVE_OPROFILE |
3f550096 | 16 | select HAVE_KPROBES |
9edddaa2 | 17 | select HAVE_KRETPROBES |
a14a07b8 SL |
18 | select HAVE_FTRACE_MCOUNT_RECORD |
19 | select HAVE_DYNAMIC_FTRACE if (!ITANIUM) | |
d3e75ff1 | 20 | select HAVE_FUNCTION_TRACER |
74bc7cee | 21 | select HAVE_DMA_ATTRS |
b693919c | 22 | select HAVE_KVM |
9690ad03 | 23 | select HAVE_ARCH_TRACEHOOK |
99162195 | 24 | select HAVE_DMA_API_DEBUG |
1da177e4 LT |
25 | default y |
26 | help | |
27 | The Itanium Processor Family is Intel's 64-bit successor to | |
28 | the 32-bit X86 line. The IA-64 Linux project has a home | |
29 | page at <http://www.linuxia64.org/> and a mailing list at | |
30 | <linux-ia64@vger.kernel.org>. | |
31 | ||
32 | config 64BIT | |
33 | bool | |
9f271d57 | 34 | select ATA_NONSTANDARD if ATA |
1da177e4 LT |
35 | default y |
36 | ||
66701b14 | 37 | config ZONE_DMA |
09ae1f58 CL |
38 | def_bool y |
39 | depends on !IA64_SGI_SN2 | |
66701b14 | 40 | |
2bd62a40 CL |
41 | config QUICKLIST |
42 | bool | |
43 | default y | |
44 | ||
1da177e4 LT |
45 | config MMU |
46 | bool | |
47 | default y | |
48 | ||
66ed5ef8 FT |
49 | config NEED_DMA_MAP_STATE |
50 | def_bool y | |
51 | ||
18e98307 FT |
52 | config NEED_SG_DMA_LENGTH |
53 | def_bool y | |
54 | ||
6c654b5f JL |
55 | config SWIOTLB |
56 | bool | |
6c654b5f | 57 | |
95c354fe | 58 | config GENERIC_LOCKBREAK |
2c86963b | 59 | def_bool n |
95c354fe | 60 | |
1da177e4 LT |
61 | config RWSEM_XCHGADD_ALGORITHM |
62 | bool | |
63 | default y | |
64 | ||
d9c23400 MG |
65 | config HUGETLB_PAGE_SIZE_VARIABLE |
66 | bool | |
67 | depends on HUGETLB_PAGE | |
68 | default y | |
69 | ||
2875aef8 AM |
70 | config GENERIC_FIND_NEXT_BIT |
71 | bool | |
72 | default y | |
73 | ||
1da177e4 LT |
74 | config GENERIC_CALIBRATE_DELAY |
75 | bool | |
76 | default y | |
77 | ||
0aa366f3 TL |
78 | config GENERIC_TIME |
79 | bool | |
80 | default y | |
81 | ||
82 | config GENERIC_TIME_VSYSCALL | |
1da177e4 LT |
83 | bool |
84 | default y | |
85 | ||
988c388a | 86 | config HAVE_SETUP_PER_CPU_AREA |
b32ef636 | 87 | def_bool y |
88 | ||
3ed3bce8 MD |
89 | config DMI |
90 | bool | |
91 | default y | |
92 | ||
1da177e4 LT |
93 | config EFI |
94 | bool | |
95 | default y | |
96 | ||
97 | config GENERIC_IOMAP | |
98 | bool | |
99 | default y | |
100 | ||
ae1e9130 | 101 | config SCHED_OMIT_FRAME_POINTER |
7d12e522 AB |
102 | bool |
103 | default y | |
104 | ||
f14f75b8 JS |
105 | config IA64_UNCACHED_ALLOCATOR |
106 | bool | |
107 | select GENERIC_ALLOCATOR | |
108 | ||
46cf98cd VP |
109 | config ARCH_USES_PG_UNCACHED |
110 | def_bool y | |
111 | depends on IA64_UNCACHED_ALLOCATOR | |
112 | ||
e65e1fc2 AV |
113 | config AUDIT_ARCH |
114 | bool | |
115 | default y | |
116 | ||
ba9cc328 IY |
117 | menuconfig PARAVIRT_GUEST |
118 | bool "Paravirtualized guest support" | |
119 | help | |
120 | Say Y here to get to see options related to running Linux under | |
121 | various hypervisors. This option alone does not add any kernel code. | |
122 | ||
123 | If you say N, all options in this submenu will be skipped and disabled. | |
124 | ||
125 | if PARAVIRT_GUEST | |
126 | ||
127 | config PARAVIRT | |
128 | bool "Enable paravirtualization code" | |
129 | depends on PARAVIRT_GUEST | |
130 | default y | |
131 | bool | |
132 | default y | |
133 | help | |
134 | This changes the kernel so it can modify itself when it is run | |
135 | under a hypervisor, potentially improving performance significantly | |
136 | over full virtualization. However, when run without a hypervisor | |
137 | the kernel is theoretically slower and slightly larger. | |
138 | ||
139 | ||
140 | source "arch/ia64/xen/Kconfig" | |
141 | ||
142 | endif | |
143 | ||
1da177e4 LT |
144 | choice |
145 | prompt "System type" | |
146 | default IA64_GENERIC | |
147 | ||
148 | config IA64_GENERIC | |
149 | bool "generic" | |
150 | select NUMA | |
151 | select ACPI_NUMA | |
d1598e05 | 152 | select SWIOTLB |
62fdd767 | 153 | select PCI_MSI |
f2b3fdc8 | 154 | select DMAR |
1da177e4 LT |
155 | help |
156 | This selects the system type of your hardware. A "generic" kernel | |
157 | will run on any supported IA-64 system. However, if you configure | |
158 | a kernel for your specific system, it will be faster and smaller. | |
159 | ||
160 | generic For any supported IA-64 system | |
161 | DIG-compliant For DIG ("Developer's Interface Guide") compliant systems | |
62fdd767 | 162 | DIG+Intel+IOMMU For DIG systems with Intel IOMMU |
1da177e4 LT |
163 | HP-zx1/sx1000 For HP systems |
164 | HP-zx1/sx1000+swiotlb For HP systems with (broken) DMA-constrained devices. | |
165 | SGI-SN2 For SGI Altix systems | |
22246614 | 166 | SGI-UV For SGI UV systems |
1da177e4 | 167 | Ski-simulator For the HP simulator <http://www.hpl.hp.com/research/linux/ski/> |
ba9cc328 | 168 | Xen-domU For xen domU system |
1da177e4 LT |
169 | |
170 | If you don't know what to do, choose "generic". | |
171 | ||
172 | config IA64_DIG | |
173 | bool "DIG-compliant" | |
d1598e05 | 174 | select SWIOTLB |
1da177e4 | 175 | |
62fdd767 FY |
176 | config IA64_DIG_VTD |
177 | bool "DIG+Intel+IOMMU" | |
178 | select DMAR | |
179 | select PCI_MSI | |
180 | ||
1da177e4 LT |
181 | config IA64_HP_ZX1 |
182 | bool "HP-zx1/sx1000" | |
183 | help | |
184 | Build a kernel that runs on HP zx1 and sx1000 systems. This adds | |
185 | support for the HP I/O MMU. | |
186 | ||
187 | config IA64_HP_ZX1_SWIOTLB | |
188 | bool "HP-zx1/sx1000 with software I/O TLB" | |
d1598e05 | 189 | select SWIOTLB |
1da177e4 LT |
190 | help |
191 | Build a kernel that runs on HP zx1 and sx1000 systems even when they | |
192 | have broken PCI devices which cannot DMA to full 32 bits. Apart | |
193 | from support for the HP I/O MMU, this includes support for the software | |
194 | I/O TLB, which allows supporting the broken devices at the expense of | |
195 | wasting some kernel memory (about 2MB by default). | |
196 | ||
197 | config IA64_SGI_SN2 | |
198 | bool "SGI-SN2" | |
bd3be240 JS |
199 | select NUMA |
200 | select ACPI_NUMA | |
1da177e4 LT |
201 | help |
202 | Selecting this option will optimize the kernel for use on sn2 based | |
203 | systems, but the resulting kernel binary will not run on other | |
204 | types of ia64 systems. If you have an SGI Altix system, it's safe | |
205 | to select this option. If in doubt, select ia64 generic support | |
206 | instead. | |
207 | ||
3351ab9b JS |
208 | config IA64_SGI_UV |
209 | bool "SGI-UV" | |
22246614 JS |
210 | select NUMA |
211 | select ACPI_NUMA | |
212 | select SWIOTLB | |
213 | help | |
214 | Selecting this option will optimize the kernel for use on UV based | |
215 | systems, but the resulting kernel binary will not run on other | |
216 | types of ia64 systems. If you have an SGI UV system, it's safe | |
217 | to select this option. If in doubt, select ia64 generic support | |
218 | instead. | |
219 | ||
1da177e4 LT |
220 | config IA64_HP_SIM |
221 | bool "Ski-simulator" | |
d1598e05 | 222 | select SWIOTLB |
1da177e4 | 223 | |
ba9cc328 IY |
224 | config IA64_XEN_GUEST |
225 | bool "Xen guest" | |
1d5b20f4 | 226 | select SWIOTLB |
ba9cc328 | 227 | depends on XEN |
1d5b20f4 IY |
228 | help |
229 | Build a kernel that runs on Xen guest domain. At this moment only | |
230 | 16KB page size in supported. | |
ba9cc328 | 231 | |
1da177e4 LT |
232 | endchoice |
233 | ||
234 | choice | |
235 | prompt "Processor type" | |
236 | default ITANIUM | |
237 | ||
238 | config ITANIUM | |
239 | bool "Itanium" | |
240 | help | |
241 | Select your IA-64 processor type. The default is Itanium. | |
242 | This choice is safe for all IA-64 systems, but may not perform | |
243 | optimally on systems with, say, Itanium 2 or newer processors. | |
244 | ||
245 | config MCKINLEY | |
246 | bool "Itanium 2" | |
247 | help | |
248 | Select this to configure for an Itanium 2 (McKinley) processor. | |
249 | ||
250 | endchoice | |
251 | ||
252 | choice | |
253 | prompt "Kernel page size" | |
254 | default IA64_PAGE_SIZE_16KB | |
255 | ||
256 | config IA64_PAGE_SIZE_4KB | |
257 | bool "4KB" | |
258 | help | |
259 | This lets you select the page size of the kernel. For best IA-64 | |
260 | performance, a page size of 8KB or 16KB is recommended. For best | |
261 | IA-32 compatibility, a page size of 4KB should be selected (the vast | |
262 | majority of IA-32 binaries work perfectly fine with a larger page | |
263 | size). For Itanium 2 or newer systems, a page size of 64KB can also | |
264 | be selected. | |
265 | ||
266 | 4KB For best IA-32 compatibility | |
267 | 8KB For best IA-64 performance | |
268 | 16KB For best IA-64 performance | |
269 | 64KB Requires Itanium 2 or newer processor. | |
270 | ||
271 | If you don't know what to do, choose 16KB. | |
272 | ||
273 | config IA64_PAGE_SIZE_8KB | |
274 | bool "8KB" | |
275 | ||
276 | config IA64_PAGE_SIZE_16KB | |
277 | bool "16KB" | |
278 | ||
279 | config IA64_PAGE_SIZE_64KB | |
280 | depends on !ITANIUM | |
281 | bool "64KB" | |
282 | ||
283 | endchoice | |
284 | ||
837cd0bd RH |
285 | choice |
286 | prompt "Page Table Levels" | |
287 | default PGTABLE_3 | |
288 | ||
289 | config PGTABLE_3 | |
290 | bool "3 Levels" | |
291 | ||
292 | config PGTABLE_4 | |
293 | depends on !IA64_PAGE_SIZE_64KB | |
294 | bool "4 Levels" | |
295 | ||
296 | endchoice | |
297 | ||
10d0aa3c TL |
298 | if IA64_HP_SIM |
299 | config HZ | |
300 | default 32 | |
301 | endif | |
302 | ||
303 | if !IA64_HP_SIM | |
b5d23e5b | 304 | source kernel/Kconfig.hz |
10d0aa3c | 305 | endif |
b5d23e5b | 306 | |
1da177e4 LT |
307 | config IA64_BRL_EMU |
308 | bool | |
309 | depends on ITANIUM | |
310 | default y | |
311 | ||
312 | # align cache-sensitive data to 128 bytes | |
313 | config IA64_L1_CACHE_SHIFT | |
314 | int | |
315 | default "7" if MCKINLEY | |
316 | default "6" if ITANIUM | |
317 | ||
1da177e4 LT |
318 | config IA64_CYCLONE |
319 | bool "Cyclone (EXA) Time Source support" | |
320 | help | |
321 | Say Y here to enable support for IBM EXA Cyclone time source. | |
322 | If you're unsure, answer N. | |
323 | ||
324 | config IOSAPIC | |
325 | bool | |
326 | depends on !IA64_HP_SIM | |
327 | default y | |
328 | ||
1da177e4 | 329 | config FORCE_MAX_ZONEORDER |
da9577c5 BP |
330 | int "MAX_ORDER (11 - 17)" if !HUGETLB_PAGE |
331 | range 11 17 if !HUGETLB_PAGE | |
332 | default "17" if HUGETLB_PAGE | |
333 | default "11" | |
1da177e4 | 334 | |
b64f34cd HS |
335 | config VIRT_CPU_ACCOUNTING |
336 | bool "Deterministic task and CPU time accounting" | |
337 | default n | |
338 | help | |
339 | Select this option to enable more accurate task and CPU time | |
340 | accounting. This is done by reading a CPU counter on each | |
341 | kernel entry and exit and on transitions within the kernel | |
342 | between system, softirq and hardirq state, so there is a | |
343 | small performance impact. | |
344 | If in doubt, say N here. | |
345 | ||
1da177e4 LT |
346 | config SMP |
347 | bool "Symmetric multi-processing support" | |
f27b433e | 348 | select USE_GENERIC_SMP_HELPERS |
1da177e4 LT |
349 | help |
350 | This enables support for systems with more than one CPU. If you have | |
351 | a system with only one CPU, say N. If you have a system with more | |
352 | than one CPU, say Y. | |
353 | ||
354 | If you say N here, the kernel will run on single and multiprocessor | |
355 | systems, but will use only one CPU of a multiprocessor system. If | |
356 | you say Y here, the kernel will run on many, but not all, | |
357 | single processor systems. On a single processor system, the kernel | |
358 | will run faster if you say N here. | |
359 | ||
03502faa AB |
360 | See also the SMP-HOWTO available at |
361 | <http://www.tldp.org/docs.html#howto>. | |
1da177e4 LT |
362 | |
363 | If you don't know what to do here, say N. | |
364 | ||
365 | config NR_CPUS | |
d1339df1 RH |
366 | int "Maximum number of CPUs (2-4096)" |
367 | range 2 4096 | |
1da177e4 | 368 | depends on SMP |
d1339df1 | 369 | default "4096" |
1da177e4 LT |
370 | help |
371 | You should set this to the number of CPUs in your system, but | |
372 | keep in mind that a kernel compiled for, e.g., 2 CPUs will boot but | |
373 | only use 2 CPUs on a >2 CPU system. Setting this to a value larger | |
374 | than 64 will cause the use of a CPU mask array, causing a small | |
375 | performance hit. | |
376 | ||
377 | config HOTPLUG_CPU | |
378 | bool "Support for hot-pluggable CPUs (EXPERIMENTAL)" | |
379 | depends on SMP && EXPERIMENTAL | |
380 | select HOTPLUG | |
381 | default n | |
382 | ---help--- | |
383 | Say Y here to experiment with turning CPUs off and on. CPUs | |
384 | can be controlled through /sys/devices/system/cpu/cpu#. | |
385 | Say N if you want to disable CPU hotplug. | |
386 | ||
cc57637b YG |
387 | config ARCH_ENABLE_MEMORY_HOTPLUG |
388 | def_bool y | |
389 | ||
0c0e6195 KH |
390 | config ARCH_ENABLE_MEMORY_HOTREMOVE |
391 | def_bool y | |
392 | ||
7a9bdd88 SS |
393 | config SCHED_SMT |
394 | bool "SMT scheduler support" | |
395 | depends on SMP | |
7a9bdd88 SS |
396 | help |
397 | Improves the CPU scheduler's decision making when dealing with | |
398 | Intel IA64 chips with MultiThreading at a cost of slightly increased | |
399 | overhead in some places. If unsure say N here. | |
400 | ||
ff741906 AR |
401 | config PERMIT_BSP_REMOVE |
402 | bool "Support removal of Bootstrap Processor" | |
403 | depends on HOTPLUG_CPU | |
404 | default n | |
405 | ---help--- | |
406 | Say Y here if your platform SAL will support removal of BSP with HOTPLUG_CPU | |
407 | support. | |
408 | ||
409 | config FORCE_CPEI_RETARGET | |
410 | bool "Force assumption that CPEI can be re-targetted" | |
411 | depends on PERMIT_BSP_REMOVE | |
412 | default n | |
413 | ---help--- | |
414 | Say Y if you need to force the assumption that CPEI can be re-targetted to | |
415 | any cpu in the system. This hint is available via ACPI 3.0 specifications. | |
416 | Tiger4 systems are capable of re-directing CPEI to any CPU other than BSP. | |
417 | This option it useful to enable this feature on older BIOS's as well. | |
418 | You can also enable this by using boot command line option force_cpei=1. | |
419 | ||
0b0517a4 | 420 | source "kernel/Kconfig.preempt" |
1da177e4 | 421 | |
3f22ab27 DH |
422 | source "mm/Kconfig" |
423 | ||
da9577c5 BP |
424 | config ARCH_SELECT_MEMORY_MODEL |
425 | def_bool y | |
426 | ||
427 | config ARCH_DISCONTIGMEM_ENABLE | |
428 | def_bool y | |
429 | help | |
430 | Say Y to support efficient handling of discontiguous physical memory, | |
431 | for architectures which are either NUMA (Non-Uniform Memory Access) | |
432 | or have huge holes in the physical address space for other reasons. | |
433 | See <file:Documentation/vm/numa> for more. | |
434 | ||
435 | config ARCH_FLATMEM_ENABLE | |
436 | def_bool y | |
437 | ||
438 | config ARCH_SPARSEMEM_ENABLE | |
439 | def_bool y | |
440 | depends on ARCH_DISCONTIGMEM_ENABLE | |
ef229c5a | 441 | select SPARSEMEM_VMEMMAP_ENABLE |
da9577c5 BP |
442 | |
443 | config ARCH_DISCONTIGMEM_DEFAULT | |
444 | def_bool y if (IA64_SGI_SN2 || IA64_GENERIC || IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB) | |
445 | depends on ARCH_DISCONTIGMEM_ENABLE | |
446 | ||
447 | config NUMA | |
448 | bool "NUMA support" | |
449 | depends on !IA64_HP_SIM && !FLATMEM | |
450 | default y if IA64_SGI_SN2 | |
6c33eb39 | 451 | select ACPI_NUMA if ACPI |
da9577c5 BP |
452 | help |
453 | Say Y to compile the kernel to support NUMA (Non-Uniform Memory | |
454 | Access). This option is for configuring high-end multiprocessor | |
455 | server systems. If in doubt, say N. | |
456 | ||
c80d79d7 YG |
457 | config NODES_SHIFT |
458 | int "Max num nodes shift(3-10)" | |
459 | range 3 10 | |
c57d68ca | 460 | default "10" |
c80d79d7 YG |
461 | depends on NEED_MULTIPLE_NODES |
462 | help | |
463 | This option specifies the maximum number of nodes in your SSI system. | |
464 | MAX_NUMNODES will be 2^(This value). | |
465 | If in doubt, use the default. | |
466 | ||
05e0caad MG |
467 | config ARCH_POPULATES_NODE_MAP |
468 | def_bool y | |
469 | ||
da9577c5 BP |
470 | # VIRTUAL_MEM_MAP and FLAT_NODE_MEM_MAP are functionally equivalent. |
471 | # VIRTUAL_MEM_MAP has been retained for historical reasons. | |
472 | config VIRTUAL_MEM_MAP | |
473 | bool "Virtual mem map" | |
474 | depends on !SPARSEMEM | |
475 | default y if !IA64_HP_SIM | |
476 | help | |
477 | Say Y to compile the kernel with support for a virtual mem map. | |
478 | This code also only takes effect if a memory hole of greater than | |
479 | 1 Gb is found during boot. You must turn this option on if you | |
480 | require the DISCONTIGMEM option for your machine. If you are | |
481 | unsure, say Y. | |
482 | ||
483 | config HOLES_IN_ZONE | |
484 | bool | |
485 | default y if VIRTUAL_MEM_MAP | |
486 | ||
487 | config HAVE_ARCH_EARLY_PFN_TO_NID | |
334f85b6 | 488 | def_bool NUMA && SPARSEMEM |
da9577c5 | 489 | |
10ad400b YG |
490 | config HAVE_ARCH_NODEDATA_EXTENSION |
491 | def_bool y | |
492 | depends on NUMA | |
493 | ||
3bccd996 LS |
494 | config USE_PERCPU_NUMA_NODE_ID |
495 | def_bool y | |
496 | depends on NUMA | |
497 | ||
fd1197f1 LS |
498 | config HAVE_MEMORYLESS_NODES |
499 | def_bool y | |
500 | depends on NUMA | |
501 | ||
9492587c KH |
502 | config ARCH_PROC_KCORE_TEXT |
503 | def_bool y | |
504 | depends on PROC_KCORE | |
505 | ||
1da177e4 LT |
506 | config IA64_MCA_RECOVERY |
507 | tristate "MCA recovery from errors other than TLB." | |
508 | ||
509 | config PERFMON | |
510 | bool "Performance monitor support" | |
511 | help | |
512 | Selects whether support for the IA-64 performance monitor hardware | |
513 | is included in the kernel. This makes some kernel data-structures a | |
514 | little bigger and slows down execution a bit, but it is generally | |
515 | a good idea to turn this on. If you're unsure, say Y. | |
516 | ||
517 | config IA64_PALINFO | |
518 | tristate "/proc/pal support" | |
519 | help | |
520 | If you say Y here, you are able to get PAL (Processor Abstraction | |
521 | Layer) information in /proc/pal. This contains useful information | |
522 | about the processors in your systems, such as cache and TLB sizes | |
523 | and the PAL firmware version in use. | |
524 | ||
525 | To use this option, you have to ensure that the "/proc file system | |
526 | support" (CONFIG_PROC_FS) is enabled, too. | |
527 | ||
e9ef08bd FY |
528 | config IA64_MC_ERR_INJECT |
529 | tristate "MC error injection support" | |
530 | help | |
01dd2fbf ML |
531 | Adds support for MC error injection. If enabled, the kernel |
532 | will provide a sysfs interface for user applications to | |
533 | call MC error injection PAL procedures to inject various errors. | |
e9ef08bd FY |
534 | This is a useful tool for MCA testing. |
535 | ||
536 | If you're unsure, do not select this option. | |
537 | ||
466575f4 JS |
538 | config SGI_SN |
539 | def_bool y if (IA64_SGI_SN2 || IA64_GENERIC) | |
540 | ||
2ab561a1 DMT |
541 | config IA64_ESI |
542 | bool "ESI (Extensible SAL Interface) support" | |
543 | help | |
544 | If you say Y here, support is built into the kernel to | |
545 | make ESI calls. ESI calls are used to support vendor-specific | |
546 | firmware extensions, such as the ability to inject memory-errors | |
547 | for test-purposes. If you're unsure, say N. | |
548 | ||
28eda5b8 BH |
549 | config IA64_HP_AML_NFW |
550 | bool "Support ACPI AML calls to native firmware" | |
551 | help | |
552 | This driver installs a global ACPI Operation Region handler for | |
553 | region 0xA1. AML methods can use this OpRegion to call arbitrary | |
554 | native firmware functions. The driver installs the OpRegion | |
555 | handler if there is an HPQ5001 device or if the user supplies | |
556 | the "force" module parameter, e.g., with the "aml_nfw.force" | |
557 | kernel command line option. | |
558 | ||
c1311af1 BC |
559 | source "drivers/sn/Kconfig" |
560 | ||
a7956113 ZN |
561 | config KEXEC |
562 | bool "kexec system call (EXPERIMENTAL)" | |
563 | depends on EXPERIMENTAL && !IA64_HP_SIM && (!SMP || HOTPLUG_CPU) | |
564 | help | |
565 | kexec is a system call that implements the ability to shutdown your | |
566 | current kernel, and to start another kernel. It is like a reboot | |
3dde6ad8 | 567 | but it is independent of the system firmware. And like a reboot |
a7956113 ZN |
568 | you can start any kernel with it, not just Linux. |
569 | ||
01dd2fbf | 570 | The name comes from the similarity to the exec system call. |
a7956113 ZN |
571 | |
572 | It is an ongoing process to be certain the hardware in a machine | |
573 | is properly shutdown, so do not be surprised if this code does not | |
574 | initially work for you. It may help to enable device hotplugging | |
575 | support. As of this writing the exact hardware interface is | |
576 | strongly in flux, so no good recommendation can be made. | |
577 | ||
578 | config CRASH_DUMP | |
fb86611f BW |
579 | bool "kernel crash dumps" |
580 | depends on IA64_MCA_RECOVERY && !IA64_HP_SIM && (!SMP || HOTPLUG_CPU) | |
a7956113 ZN |
581 | help |
582 | Generate crash dump after being started by kexec. | |
583 | ||
1da177e4 LT |
584 | source "drivers/firmware/Kconfig" |
585 | ||
586 | source "fs/Kconfig.binfmt" | |
587 | ||
588 | endmenu | |
589 | ||
1547a012 | 590 | menu "Power management and ACPI options" |
1da177e4 | 591 | |
eb7b6b32 | 592 | source "kernel/power/Kconfig" |
1da177e4 LT |
593 | |
594 | source "drivers/acpi/Kconfig" | |
595 | ||
4db8699b VP |
596 | if PM |
597 | ||
598 | source "arch/ia64/kernel/cpufreq/Kconfig" | |
599 | ||
600 | endif | |
601 | ||
1da177e4 LT |
602 | endmenu |
603 | ||
604 | if !IA64_HP_SIM | |
605 | ||
606 | menu "Bus options (PCI, PCMCIA)" | |
607 | ||
608 | config PCI | |
609 | bool "PCI support" | |
610 | help | |
85f265d8 CH |
611 | Real IA-64 machines all have PCI/PCI-X/PCI Express busses. Say Y |
612 | here unless you are using a simulator without PCI support. | |
1da177e4 LT |
613 | |
614 | config PCI_DOMAINS | |
36e23590 MW |
615 | def_bool PCI |
616 | ||
617 | config PCI_SYSCALL | |
618 | def_bool PCI | |
1da177e4 | 619 | |
b7bb575c KK |
620 | source "drivers/pci/pcie/Kconfig" |
621 | ||
1da177e4 LT |
622 | source "drivers/pci/Kconfig" |
623 | ||
624 | source "drivers/pci/hotplug/Kconfig" | |
625 | ||
626 | source "drivers/pcmcia/Kconfig" | |
627 | ||
62fdd767 FY |
628 | config DMAR |
629 | bool "Support for DMA Remapping Devices (EXPERIMENTAL)" | |
630 | depends on IA64_GENERIC && ACPI && EXPERIMENTAL | |
631 | help | |
632 | DMA remapping (DMAR) devices support enables independent address | |
633 | translations for Direct Memory Access (DMA) from devices. | |
634 | These DMA remapping devices are reported via ACPI tables | |
635 | and include PCI device scope covered by these DMA | |
636 | remapping devices. | |
637 | ||
6b1ff036 KM |
638 | config DMAR_DEFAULT_ON |
639 | def_bool y | |
640 | prompt "Enable DMA Remapping Devices by default" | |
641 | depends on DMAR | |
642 | help | |
643 | Selecting this option will enable a DMAR device at boot time if | |
644 | one is found. If this option is not selected, DMAR support can | |
645 | be enabled by passing intel_iommu=on to the kernel. It is | |
646 | recommended you say N here while the DMAR code remains | |
647 | experimental. | |
648 | ||
1da177e4 LT |
649 | endmenu |
650 | ||
651 | endif | |
652 | ||
d5950b43 SR |
653 | source "net/Kconfig" |
654 | ||
1da177e4 LT |
655 | source "drivers/Kconfig" |
656 | ||
1547a012 BH |
657 | source "arch/ia64/hp/sim/Kconfig" |
658 | ||
1a4b0fc5 JS |
659 | config MSPEC |
660 | tristate "Memory special operations driver" | |
661 | depends on IA64 | |
662 | select IA64_UNCACHED_ALLOCATOR | |
663 | help | |
664 | If you have an ia64 and you want to enable memory special | |
665 | operations support (formerly known as fetchop), say Y here, | |
666 | otherwise say N. | |
667 | ||
1da177e4 LT |
668 | source "fs/Kconfig" |
669 | ||
1547a012 BH |
670 | source "arch/ia64/Kconfig.debug" |
671 | ||
672 | source "security/Kconfig" | |
673 | ||
674 | source "crypto/Kconfig" | |
675 | ||
b693919c XZ |
676 | source "arch/ia64/kvm/Kconfig" |
677 | ||
1da177e4 LT |
678 | source "lib/Kconfig" |
679 | ||
680 | # | |
681 | # Use the generic interrupt handling code in kernel/irq/: | |
682 | # | |
683 | config GENERIC_HARDIRQS | |
684 | bool | |
685 | default y | |
686 | ||
687 | config GENERIC_IRQ_PROBE | |
688 | bool | |
689 | default y | |
690 | ||
54d5d424 AR |
691 | config GENERIC_PENDING_IRQ |
692 | bool | |
693 | depends on GENERIC_HARDIRQS && SMP | |
694 | default y | |
695 | ||
0d7012a9 IM |
696 | config IRQ_PER_CPU |
697 | bool | |
698 | default y | |
699 | ||
b34eb53c | 700 | config IOMMU_HELPER |
a8522509 | 701 | def_bool (IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB || IA64_GENERIC || SWIOTLB) |
1aaf1183 JR |
702 | |
703 | config IOMMU_API | |
704 | def_bool (DMAR) |