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 |
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 |
b693919c | 29 | select HAVE_KVM |
9690ad03 | 30 | select HAVE_ARCH_TRACEHOOK |
1da177e4 LT |
31 | default y |
32 | help | |
33 | The Itanium Processor Family is Intel's 64-bit successor to | |
34 | the 32-bit X86 line. The IA-64 Linux project has a home | |
35 | page at <http://www.linuxia64.org/> and a mailing list at | |
36 | <linux-ia64@vger.kernel.org>. | |
37 | ||
38 | config 64BIT | |
39 | bool | |
9f271d57 | 40 | select ATA_NONSTANDARD if ATA |
1da177e4 LT |
41 | default y |
42 | ||
66701b14 | 43 | config ZONE_DMA |
09ae1f58 CL |
44 | def_bool y |
45 | depends on !IA64_SGI_SN2 | |
66701b14 | 46 | |
2bd62a40 CL |
47 | config QUICKLIST |
48 | bool | |
49 | default y | |
50 | ||
1da177e4 LT |
51 | config MMU |
52 | bool | |
53 | default y | |
54 | ||
6c654b5f JL |
55 | config SWIOTLB |
56 | bool | |
6c654b5f | 57 | |
a8522509 FT |
58 | config IOMMU_HELPER |
59 | bool | |
60 | ||
95c354fe NP |
61 | config GENERIC_LOCKBREAK |
62 | bool | |
63 | default y | |
64 | depends on SMP && PREEMPT | |
65 | ||
1da177e4 LT |
66 | config RWSEM_XCHGADD_ALGORITHM |
67 | bool | |
68 | default y | |
69 | ||
d9c23400 MG |
70 | config HUGETLB_PAGE_SIZE_VARIABLE |
71 | bool | |
72 | depends on HUGETLB_PAGE | |
73 | default y | |
74 | ||
2875aef8 AM |
75 | config GENERIC_FIND_NEXT_BIT |
76 | bool | |
77 | default y | |
78 | ||
1da177e4 LT |
79 | config GENERIC_CALIBRATE_DELAY |
80 | bool | |
81 | default y | |
82 | ||
0aa366f3 TL |
83 | config GENERIC_TIME |
84 | bool | |
85 | default y | |
86 | ||
87 | config GENERIC_TIME_VSYSCALL | |
1da177e4 LT |
88 | bool |
89 | default y | |
90 | ||
988c388a | 91 | config HAVE_SETUP_PER_CPU_AREA |
b32ef636 | 92 | def_bool y |
93 | ||
3ed3bce8 MD |
94 | config DMI |
95 | bool | |
96 | default y | |
97 | ||
1da177e4 LT |
98 | config EFI |
99 | bool | |
100 | default y | |
101 | ||
102 | config GENERIC_IOMAP | |
103 | bool | |
104 | default y | |
105 | ||
ae1e9130 | 106 | config SCHED_OMIT_FRAME_POINTER |
7d12e522 AB |
107 | bool |
108 | default y | |
109 | ||
f14f75b8 JS |
110 | config IA64_UNCACHED_ALLOCATOR |
111 | bool | |
112 | select GENERIC_ALLOCATOR | |
113 | ||
e65e1fc2 AV |
114 | config AUDIT_ARCH |
115 | bool | |
116 | default y | |
117 | ||
ba9cc328 IY |
118 | menuconfig PARAVIRT_GUEST |
119 | bool "Paravirtualized guest support" | |
120 | help | |
121 | Say Y here to get to see options related to running Linux under | |
122 | various hypervisors. This option alone does not add any kernel code. | |
123 | ||
124 | If you say N, all options in this submenu will be skipped and disabled. | |
125 | ||
126 | if PARAVIRT_GUEST | |
127 | ||
128 | config PARAVIRT | |
129 | bool "Enable paravirtualization code" | |
130 | depends on PARAVIRT_GUEST | |
131 | default y | |
132 | bool | |
133 | default y | |
134 | help | |
135 | This changes the kernel so it can modify itself when it is run | |
136 | under a hypervisor, potentially improving performance significantly | |
137 | over full virtualization. However, when run without a hypervisor | |
138 | the kernel is theoretically slower and slightly larger. | |
139 | ||
140 | ||
141 | source "arch/ia64/xen/Kconfig" | |
142 | ||
143 | endif | |
144 | ||
1da177e4 LT |
145 | choice |
146 | prompt "System type" | |
147 | default IA64_GENERIC | |
148 | ||
149 | config IA64_GENERIC | |
150 | bool "generic" | |
151 | select NUMA | |
152 | select ACPI_NUMA | |
d1598e05 | 153 | select SWIOTLB |
62fdd767 | 154 | select PCI_MSI |
f2b3fdc8 | 155 | select DMAR |
1da177e4 LT |
156 | help |
157 | This selects the system type of your hardware. A "generic" kernel | |
158 | will run on any supported IA-64 system. However, if you configure | |
159 | a kernel for your specific system, it will be faster and smaller. | |
160 | ||
161 | generic For any supported IA-64 system | |
162 | DIG-compliant For DIG ("Developer's Interface Guide") compliant systems | |
62fdd767 | 163 | DIG+Intel+IOMMU For DIG systems with Intel IOMMU |
1da177e4 LT |
164 | HP-zx1/sx1000 For HP systems |
165 | HP-zx1/sx1000+swiotlb For HP systems with (broken) DMA-constrained devices. | |
166 | SGI-SN2 For SGI Altix systems | |
22246614 | 167 | SGI-UV For SGI UV systems |
1da177e4 | 168 | Ski-simulator For the HP simulator <http://www.hpl.hp.com/research/linux/ski/> |
ba9cc328 | 169 | Xen-domU For xen domU system |
1da177e4 LT |
170 | |
171 | If you don't know what to do, choose "generic". | |
172 | ||
173 | config IA64_DIG | |
174 | bool "DIG-compliant" | |
d1598e05 | 175 | select SWIOTLB |
1da177e4 | 176 | |
62fdd767 FY |
177 | config IA64_DIG_VTD |
178 | bool "DIG+Intel+IOMMU" | |
179 | select DMAR | |
180 | select PCI_MSI | |
181 | ||
1da177e4 LT |
182 | config IA64_HP_ZX1 |
183 | bool "HP-zx1/sx1000" | |
184 | help | |
185 | Build a kernel that runs on HP zx1 and sx1000 systems. This adds | |
186 | support for the HP I/O MMU. | |
187 | ||
188 | config IA64_HP_ZX1_SWIOTLB | |
189 | bool "HP-zx1/sx1000 with software I/O TLB" | |
d1598e05 | 190 | select SWIOTLB |
1da177e4 LT |
191 | help |
192 | Build a kernel that runs on HP zx1 and sx1000 systems even when they | |
193 | have broken PCI devices which cannot DMA to full 32 bits. Apart | |
194 | from support for the HP I/O MMU, this includes support for the software | |
195 | I/O TLB, which allows supporting the broken devices at the expense of | |
196 | wasting some kernel memory (about 2MB by default). | |
197 | ||
198 | config IA64_SGI_SN2 | |
199 | bool "SGI-SN2" | |
bd3be240 JS |
200 | select NUMA |
201 | select ACPI_NUMA | |
1da177e4 LT |
202 | help |
203 | Selecting this option will optimize the kernel for use on sn2 based | |
204 | systems, but the resulting kernel binary will not run on other | |
205 | types of ia64 systems. If you have an SGI Altix system, it's safe | |
206 | to select this option. If in doubt, select ia64 generic support | |
207 | instead. | |
208 | ||
3351ab9b JS |
209 | config IA64_SGI_UV |
210 | bool "SGI-UV" | |
22246614 JS |
211 | select NUMA |
212 | select ACPI_NUMA | |
213 | select SWIOTLB | |
214 | help | |
215 | Selecting this option will optimize the kernel for use on UV based | |
216 | systems, but the resulting kernel binary will not run on other | |
217 | types of ia64 systems. If you have an SGI UV system, it's safe | |
218 | to select this option. If in doubt, select ia64 generic support | |
219 | instead. | |
220 | ||
1da177e4 LT |
221 | config IA64_HP_SIM |
222 | bool "Ski-simulator" | |
d1598e05 | 223 | select SWIOTLB |
1da177e4 | 224 | |
ba9cc328 IY |
225 | config IA64_XEN_GUEST |
226 | bool "Xen guest" | |
1d5b20f4 | 227 | select SWIOTLB |
ba9cc328 | 228 | depends on XEN |
1d5b20f4 IY |
229 | help |
230 | Build a kernel that runs on Xen guest domain. At this moment only | |
231 | 16KB page size in supported. | |
ba9cc328 | 232 | |
1da177e4 LT |
233 | endchoice |
234 | ||
235 | choice | |
236 | prompt "Processor type" | |
237 | default ITANIUM | |
238 | ||
239 | config ITANIUM | |
240 | bool "Itanium" | |
241 | help | |
242 | Select your IA-64 processor type. The default is Itanium. | |
243 | This choice is safe for all IA-64 systems, but may not perform | |
244 | optimally on systems with, say, Itanium 2 or newer processors. | |
245 | ||
246 | config MCKINLEY | |
247 | bool "Itanium 2" | |
248 | help | |
249 | Select this to configure for an Itanium 2 (McKinley) processor. | |
250 | ||
251 | endchoice | |
252 | ||
253 | choice | |
254 | prompt "Kernel page size" | |
255 | default IA64_PAGE_SIZE_16KB | |
256 | ||
257 | config IA64_PAGE_SIZE_4KB | |
258 | bool "4KB" | |
259 | help | |
260 | This lets you select the page size of the kernel. For best IA-64 | |
261 | performance, a page size of 8KB or 16KB is recommended. For best | |
262 | IA-32 compatibility, a page size of 4KB should be selected (the vast | |
263 | majority of IA-32 binaries work perfectly fine with a larger page | |
264 | size). For Itanium 2 or newer systems, a page size of 64KB can also | |
265 | be selected. | |
266 | ||
267 | 4KB For best IA-32 compatibility | |
268 | 8KB For best IA-64 performance | |
269 | 16KB For best IA-64 performance | |
270 | 64KB Requires Itanium 2 or newer processor. | |
271 | ||
272 | If you don't know what to do, choose 16KB. | |
273 | ||
274 | config IA64_PAGE_SIZE_8KB | |
275 | bool "8KB" | |
276 | ||
277 | config IA64_PAGE_SIZE_16KB | |
278 | bool "16KB" | |
279 | ||
280 | config IA64_PAGE_SIZE_64KB | |
281 | depends on !ITANIUM | |
282 | bool "64KB" | |
283 | ||
284 | endchoice | |
285 | ||
837cd0bd RH |
286 | choice |
287 | prompt "Page Table Levels" | |
288 | default PGTABLE_3 | |
289 | ||
290 | config PGTABLE_3 | |
291 | bool "3 Levels" | |
292 | ||
293 | config PGTABLE_4 | |
294 | depends on !IA64_PAGE_SIZE_64KB | |
295 | bool "4 Levels" | |
296 | ||
297 | endchoice | |
298 | ||
10d0aa3c TL |
299 | if IA64_HP_SIM |
300 | config HZ | |
301 | default 32 | |
302 | endif | |
303 | ||
304 | if !IA64_HP_SIM | |
b5d23e5b | 305 | source kernel/Kconfig.hz |
10d0aa3c | 306 | endif |
b5d23e5b | 307 | |
1da177e4 LT |
308 | config IA64_BRL_EMU |
309 | bool | |
310 | depends on ITANIUM | |
311 | default y | |
312 | ||
313 | # align cache-sensitive data to 128 bytes | |
314 | config IA64_L1_CACHE_SHIFT | |
315 | int | |
316 | default "7" if MCKINLEY | |
317 | default "6" if ITANIUM | |
318 | ||
1da177e4 LT |
319 | config IA64_CYCLONE |
320 | bool "Cyclone (EXA) Time Source support" | |
321 | help | |
322 | Say Y here to enable support for IBM EXA Cyclone time source. | |
323 | If you're unsure, answer N. | |
324 | ||
325 | config IOSAPIC | |
326 | bool | |
327 | depends on !IA64_HP_SIM | |
328 | default y | |
329 | ||
1da177e4 | 330 | config FORCE_MAX_ZONEORDER |
da9577c5 BP |
331 | int "MAX_ORDER (11 - 17)" if !HUGETLB_PAGE |
332 | range 11 17 if !HUGETLB_PAGE | |
333 | default "17" if HUGETLB_PAGE | |
334 | default "11" | |
1da177e4 | 335 | |
b64f34cd HS |
336 | config VIRT_CPU_ACCOUNTING |
337 | bool "Deterministic task and CPU time accounting" | |
338 | default n | |
339 | help | |
340 | Select this option to enable more accurate task and CPU time | |
341 | accounting. This is done by reading a CPU counter on each | |
342 | kernel entry and exit and on transitions within the kernel | |
343 | between system, softirq and hardirq state, so there is a | |
344 | small performance impact. | |
345 | If in doubt, say N here. | |
346 | ||
1da177e4 LT |
347 | config SMP |
348 | bool "Symmetric multi-processing support" | |
f27b433e | 349 | select USE_GENERIC_SMP_HELPERS |
1da177e4 LT |
350 | help |
351 | This enables support for systems with more than one CPU. If you have | |
352 | a system with only one CPU, say N. If you have a system with more | |
353 | than one CPU, say Y. | |
354 | ||
355 | If you say N here, the kernel will run on single and multiprocessor | |
356 | systems, but will use only one CPU of a multiprocessor system. If | |
357 | you say Y here, the kernel will run on many, but not all, | |
358 | single processor systems. On a single processor system, the kernel | |
359 | will run faster if you say N here. | |
360 | ||
03502faa AB |
361 | See also the SMP-HOWTO available at |
362 | <http://www.tldp.org/docs.html#howto>. | |
1da177e4 LT |
363 | |
364 | If you don't know what to do here, say N. | |
365 | ||
366 | config NR_CPUS | |
d1339df1 RH |
367 | int "Maximum number of CPUs (2-4096)" |
368 | range 2 4096 | |
1da177e4 | 369 | depends on SMP |
d1339df1 | 370 | default "4096" |
1da177e4 LT |
371 | help |
372 | You should set this to the number of CPUs in your system, but | |
373 | keep in mind that a kernel compiled for, e.g., 2 CPUs will boot but | |
374 | only use 2 CPUs on a >2 CPU system. Setting this to a value larger | |
375 | than 64 will cause the use of a CPU mask array, causing a small | |
376 | performance hit. | |
377 | ||
378 | config HOTPLUG_CPU | |
379 | bool "Support for hot-pluggable CPUs (EXPERIMENTAL)" | |
380 | depends on SMP && EXPERIMENTAL | |
381 | select HOTPLUG | |
382 | default n | |
383 | ---help--- | |
384 | Say Y here to experiment with turning CPUs off and on. CPUs | |
385 | can be controlled through /sys/devices/system/cpu/cpu#. | |
386 | Say N if you want to disable CPU hotplug. | |
387 | ||
cc57637b YG |
388 | config ARCH_ENABLE_MEMORY_HOTPLUG |
389 | def_bool y | |
390 | ||
0c0e6195 KH |
391 | config ARCH_ENABLE_MEMORY_HOTREMOVE |
392 | def_bool y | |
393 | ||
7a9bdd88 SS |
394 | config SCHED_SMT |
395 | bool "SMT scheduler support" | |
396 | depends on SMP | |
7a9bdd88 SS |
397 | help |
398 | Improves the CPU scheduler's decision making when dealing with | |
399 | Intel IA64 chips with MultiThreading at a cost of slightly increased | |
400 | overhead in some places. If unsure say N here. | |
401 | ||
ff741906 AR |
402 | config PERMIT_BSP_REMOVE |
403 | bool "Support removal of Bootstrap Processor" | |
404 | depends on HOTPLUG_CPU | |
405 | default n | |
406 | ---help--- | |
407 | Say Y here if your platform SAL will support removal of BSP with HOTPLUG_CPU | |
408 | support. | |
409 | ||
410 | config FORCE_CPEI_RETARGET | |
411 | bool "Force assumption that CPEI can be re-targetted" | |
412 | depends on PERMIT_BSP_REMOVE | |
413 | default n | |
414 | ---help--- | |
415 | Say Y if you need to force the assumption that CPEI can be re-targetted to | |
416 | any cpu in the system. This hint is available via ACPI 3.0 specifications. | |
417 | Tiger4 systems are capable of re-directing CPEI to any CPU other than BSP. | |
418 | This option it useful to enable this feature on older BIOS's as well. | |
419 | You can also enable this by using boot command line option force_cpei=1. | |
420 | ||
0b0517a4 | 421 | source "kernel/Kconfig.preempt" |
1da177e4 | 422 | |
3f22ab27 DH |
423 | source "mm/Kconfig" |
424 | ||
da9577c5 BP |
425 | config ARCH_SELECT_MEMORY_MODEL |
426 | def_bool y | |
427 | ||
428 | config ARCH_DISCONTIGMEM_ENABLE | |
429 | def_bool y | |
430 | help | |
431 | Say Y to support efficient handling of discontiguous physical memory, | |
432 | for architectures which are either NUMA (Non-Uniform Memory Access) | |
433 | or have huge holes in the physical address space for other reasons. | |
434 | See <file:Documentation/vm/numa> for more. | |
435 | ||
436 | config ARCH_FLATMEM_ENABLE | |
437 | def_bool y | |
438 | ||
439 | config ARCH_SPARSEMEM_ENABLE | |
440 | def_bool y | |
441 | depends on ARCH_DISCONTIGMEM_ENABLE | |
ef229c5a | 442 | select SPARSEMEM_VMEMMAP_ENABLE |
da9577c5 BP |
443 | |
444 | config ARCH_DISCONTIGMEM_DEFAULT | |
445 | def_bool y if (IA64_SGI_SN2 || IA64_GENERIC || IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB) | |
446 | depends on ARCH_DISCONTIGMEM_ENABLE | |
447 | ||
448 | config NUMA | |
449 | bool "NUMA support" | |
450 | depends on !IA64_HP_SIM && !FLATMEM | |
451 | default y if IA64_SGI_SN2 | |
6c33eb39 | 452 | select ACPI_NUMA if ACPI |
da9577c5 BP |
453 | help |
454 | Say Y to compile the kernel to support NUMA (Non-Uniform Memory | |
455 | Access). This option is for configuring high-end multiprocessor | |
456 | server systems. If in doubt, say N. | |
457 | ||
c80d79d7 YG |
458 | config NODES_SHIFT |
459 | int "Max num nodes shift(3-10)" | |
460 | range 3 10 | |
c57d68ca | 461 | default "10" |
c80d79d7 YG |
462 | depends on NEED_MULTIPLE_NODES |
463 | help | |
464 | This option specifies the maximum number of nodes in your SSI system. | |
465 | MAX_NUMNODES will be 2^(This value). | |
466 | If in doubt, use the default. | |
467 | ||
05e0caad MG |
468 | config ARCH_POPULATES_NODE_MAP |
469 | def_bool y | |
470 | ||
da9577c5 BP |
471 | # VIRTUAL_MEM_MAP and FLAT_NODE_MEM_MAP are functionally equivalent. |
472 | # VIRTUAL_MEM_MAP has been retained for historical reasons. | |
473 | config VIRTUAL_MEM_MAP | |
474 | bool "Virtual mem map" | |
475 | depends on !SPARSEMEM | |
476 | default y if !IA64_HP_SIM | |
477 | help | |
478 | Say Y to compile the kernel with support for a virtual mem map. | |
479 | This code also only takes effect if a memory hole of greater than | |
480 | 1 Gb is found during boot. You must turn this option on if you | |
481 | require the DISCONTIGMEM option for your machine. If you are | |
482 | unsure, say Y. | |
483 | ||
484 | config HOLES_IN_ZONE | |
485 | bool | |
486 | default y if VIRTUAL_MEM_MAP | |
487 | ||
488 | config HAVE_ARCH_EARLY_PFN_TO_NID | |
334f85b6 | 489 | def_bool NUMA && SPARSEMEM |
da9577c5 | 490 | |
10ad400b YG |
491 | config HAVE_ARCH_NODEDATA_EXTENSION |
492 | def_bool y | |
493 | depends on NUMA | |
494 | ||
1da177e4 LT |
495 | config IA32_SUPPORT |
496 | bool "Support for Linux/x86 binaries" | |
497 | help | |
498 | IA-64 processors can execute IA-32 (X86) instructions. By | |
499 | saying Y here, the kernel will include IA-32 system call | |
500 | emulation support which makes it possible to transparently | |
501 | run IA-32 Linux binaries on an IA-64 Linux system. | |
502 | If in doubt, say Y. | |
503 | ||
504 | config COMPAT | |
505 | bool | |
506 | depends on IA32_SUPPORT | |
507 | default y | |
508 | ||
7a6c8135 TL |
509 | config COMPAT_FOR_U64_ALIGNMENT |
510 | def_bool COMPAT | |
511 | ||
1da177e4 LT |
512 | config IA64_MCA_RECOVERY |
513 | tristate "MCA recovery from errors other than TLB." | |
514 | ||
515 | config PERFMON | |
516 | bool "Performance monitor support" | |
517 | help | |
518 | Selects whether support for the IA-64 performance monitor hardware | |
519 | is included in the kernel. This makes some kernel data-structures a | |
520 | little bigger and slows down execution a bit, but it is generally | |
521 | a good idea to turn this on. If you're unsure, say Y. | |
522 | ||
523 | config IA64_PALINFO | |
524 | tristate "/proc/pal support" | |
525 | help | |
526 | If you say Y here, you are able to get PAL (Processor Abstraction | |
527 | Layer) information in /proc/pal. This contains useful information | |
528 | about the processors in your systems, such as cache and TLB sizes | |
529 | and the PAL firmware version in use. | |
530 | ||
531 | To use this option, you have to ensure that the "/proc file system | |
532 | support" (CONFIG_PROC_FS) is enabled, too. | |
533 | ||
e9ef08bd FY |
534 | config IA64_MC_ERR_INJECT |
535 | tristate "MC error injection support" | |
536 | help | |
01dd2fbf ML |
537 | Adds support for MC error injection. If enabled, the kernel |
538 | will provide a sysfs interface for user applications to | |
539 | call MC error injection PAL procedures to inject various errors. | |
e9ef08bd FY |
540 | This is a useful tool for MCA testing. |
541 | ||
542 | If you're unsure, do not select this option. | |
543 | ||
466575f4 JS |
544 | config SGI_SN |
545 | def_bool y if (IA64_SGI_SN2 || IA64_GENERIC) | |
546 | ||
2ab561a1 DMT |
547 | config IA64_ESI |
548 | bool "ESI (Extensible SAL Interface) support" | |
549 | help | |
550 | If you say Y here, support is built into the kernel to | |
551 | make ESI calls. ESI calls are used to support vendor-specific | |
552 | firmware extensions, such as the ability to inject memory-errors | |
553 | for test-purposes. If you're unsure, say N. | |
554 | ||
28eda5b8 BH |
555 | config IA64_HP_AML_NFW |
556 | bool "Support ACPI AML calls to native firmware" | |
557 | help | |
558 | This driver installs a global ACPI Operation Region handler for | |
559 | region 0xA1. AML methods can use this OpRegion to call arbitrary | |
560 | native firmware functions. The driver installs the OpRegion | |
561 | handler if there is an HPQ5001 device or if the user supplies | |
562 | the "force" module parameter, e.g., with the "aml_nfw.force" | |
563 | kernel command line option. | |
564 | ||
c1311af1 BC |
565 | source "drivers/sn/Kconfig" |
566 | ||
a7956113 ZN |
567 | config KEXEC |
568 | bool "kexec system call (EXPERIMENTAL)" | |
569 | depends on EXPERIMENTAL && !IA64_HP_SIM && (!SMP || HOTPLUG_CPU) | |
570 | help | |
571 | kexec is a system call that implements the ability to shutdown your | |
572 | current kernel, and to start another kernel. It is like a reboot | |
3dde6ad8 | 573 | but it is independent of the system firmware. And like a reboot |
a7956113 ZN |
574 | you can start any kernel with it, not just Linux. |
575 | ||
01dd2fbf | 576 | The name comes from the similarity to the exec system call. |
a7956113 ZN |
577 | |
578 | It is an ongoing process to be certain the hardware in a machine | |
579 | is properly shutdown, so do not be surprised if this code does not | |
580 | initially work for you. It may help to enable device hotplugging | |
581 | support. As of this writing the exact hardware interface is | |
582 | strongly in flux, so no good recommendation can be made. | |
583 | ||
584 | config CRASH_DUMP | |
fb86611f BW |
585 | bool "kernel crash dumps" |
586 | depends on IA64_MCA_RECOVERY && !IA64_HP_SIM && (!SMP || HOTPLUG_CPU) | |
a7956113 ZN |
587 | help |
588 | Generate crash dump after being started by kexec. | |
589 | ||
1da177e4 LT |
590 | source "drivers/firmware/Kconfig" |
591 | ||
592 | source "fs/Kconfig.binfmt" | |
593 | ||
594 | endmenu | |
595 | ||
1547a012 | 596 | menu "Power management and ACPI options" |
1da177e4 | 597 | |
eb7b6b32 | 598 | source "kernel/power/Kconfig" |
1da177e4 LT |
599 | |
600 | source "drivers/acpi/Kconfig" | |
601 | ||
4db8699b VP |
602 | if PM |
603 | ||
604 | source "arch/ia64/kernel/cpufreq/Kconfig" | |
605 | ||
606 | endif | |
607 | ||
1da177e4 LT |
608 | endmenu |
609 | ||
610 | if !IA64_HP_SIM | |
611 | ||
612 | menu "Bus options (PCI, PCMCIA)" | |
613 | ||
614 | config PCI | |
615 | bool "PCI support" | |
616 | help | |
85f265d8 CH |
617 | Real IA-64 machines all have PCI/PCI-X/PCI Express busses. Say Y |
618 | here unless you are using a simulator without PCI support. | |
1da177e4 LT |
619 | |
620 | config PCI_DOMAINS | |
36e23590 MW |
621 | def_bool PCI |
622 | ||
623 | config PCI_SYSCALL | |
624 | def_bool PCI | |
1da177e4 | 625 | |
b7bb575c KK |
626 | source "drivers/pci/pcie/Kconfig" |
627 | ||
1da177e4 LT |
628 | source "drivers/pci/Kconfig" |
629 | ||
630 | source "drivers/pci/hotplug/Kconfig" | |
631 | ||
632 | source "drivers/pcmcia/Kconfig" | |
633 | ||
62fdd767 FY |
634 | config DMAR |
635 | bool "Support for DMA Remapping Devices (EXPERIMENTAL)" | |
636 | depends on IA64_GENERIC && ACPI && EXPERIMENTAL | |
637 | help | |
638 | DMA remapping (DMAR) devices support enables independent address | |
639 | translations for Direct Memory Access (DMA) from devices. | |
640 | These DMA remapping devices are reported via ACPI tables | |
641 | and include PCI device scope covered by these DMA | |
642 | remapping devices. | |
643 | ||
6b1ff036 KM |
644 | config DMAR_DEFAULT_ON |
645 | def_bool y | |
646 | prompt "Enable DMA Remapping Devices by default" | |
647 | depends on DMAR | |
648 | help | |
649 | Selecting this option will enable a DMAR device at boot time if | |
650 | one is found. If this option is not selected, DMAR support can | |
651 | be enabled by passing intel_iommu=on to the kernel. It is | |
652 | recommended you say N here while the DMAR code remains | |
653 | experimental. | |
654 | ||
1da177e4 LT |
655 | endmenu |
656 | ||
657 | endif | |
658 | ||
d5950b43 SR |
659 | source "net/Kconfig" |
660 | ||
1da177e4 LT |
661 | source "drivers/Kconfig" |
662 | ||
1547a012 BH |
663 | source "arch/ia64/hp/sim/Kconfig" |
664 | ||
1a4b0fc5 JS |
665 | config MSPEC |
666 | tristate "Memory special operations driver" | |
667 | depends on IA64 | |
668 | select IA64_UNCACHED_ALLOCATOR | |
669 | help | |
670 | If you have an ia64 and you want to enable memory special | |
671 | operations support (formerly known as fetchop), say Y here, | |
672 | otherwise say N. | |
673 | ||
1da177e4 LT |
674 | source "fs/Kconfig" |
675 | ||
1547a012 BH |
676 | source "arch/ia64/Kconfig.debug" |
677 | ||
678 | source "security/Kconfig" | |
679 | ||
680 | source "crypto/Kconfig" | |
681 | ||
b693919c XZ |
682 | source "arch/ia64/kvm/Kconfig" |
683 | ||
1da177e4 LT |
684 | source "lib/Kconfig" |
685 | ||
686 | # | |
687 | # Use the generic interrupt handling code in kernel/irq/: | |
688 | # | |
689 | config GENERIC_HARDIRQS | |
690 | bool | |
691 | default y | |
692 | ||
693 | config GENERIC_IRQ_PROBE | |
694 | bool | |
695 | default y | |
696 | ||
54d5d424 AR |
697 | config GENERIC_PENDING_IRQ |
698 | bool | |
699 | depends on GENERIC_HARDIRQS && SMP | |
700 | default y | |
701 | ||
0d7012a9 IM |
702 | config IRQ_PER_CPU |
703 | bool | |
704 | default y | |
705 | ||
b34eb53c | 706 | config IOMMU_HELPER |
a8522509 | 707 | def_bool (IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB || IA64_GENERIC || SWIOTLB) |
1aaf1183 JR |
708 | |
709 | config IOMMU_API | |
710 | def_bool (DMAR) |