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Commit | Line | Data |
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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 |
c5e66129 TG |
25 | select HAVE_GENERIC_HARDIRQS |
26 | select GENERIC_IRQ_PROBE | |
27 | select GENERIC_PENDING_IRQ if SMP | |
28 | select IRQ_PER_CPU | |
1da177e4 LT |
29 | default y |
30 | help | |
31 | The Itanium Processor Family is Intel's 64-bit successor to | |
32 | the 32-bit X86 line. The IA-64 Linux project has a home | |
33 | page at <http://www.linuxia64.org/> and a mailing list at | |
34 | <linux-ia64@vger.kernel.org>. | |
35 | ||
36 | config 64BIT | |
37 | bool | |
9f271d57 | 38 | select ATA_NONSTANDARD if ATA |
1da177e4 LT |
39 | default y |
40 | ||
66701b14 | 41 | config ZONE_DMA |
09ae1f58 CL |
42 | def_bool y |
43 | depends on !IA64_SGI_SN2 | |
66701b14 | 44 | |
2bd62a40 CL |
45 | config QUICKLIST |
46 | bool | |
47 | default y | |
48 | ||
1da177e4 LT |
49 | config MMU |
50 | bool | |
51 | default y | |
52 | ||
e33621a2 FT |
53 | config ARCH_DMA_ADDR_T_64BIT |
54 | def_bool y | |
55 | ||
66ed5ef8 FT |
56 | config NEED_DMA_MAP_STATE |
57 | def_bool y | |
58 | ||
18e98307 FT |
59 | config NEED_SG_DMA_LENGTH |
60 | def_bool y | |
61 | ||
6c654b5f JL |
62 | config SWIOTLB |
63 | bool | |
6c654b5f | 64 | |
85718fae TL |
65 | config STACKTRACE_SUPPORT |
66 | def_bool y | |
67 | ||
95c354fe | 68 | config GENERIC_LOCKBREAK |
2c86963b | 69 | def_bool n |
95c354fe | 70 | |
1da177e4 LT |
71 | config RWSEM_XCHGADD_ALGORITHM |
72 | bool | |
73 | default y | |
74 | ||
d9c23400 MG |
75 | config HUGETLB_PAGE_SIZE_VARIABLE |
76 | bool | |
77 | depends on HUGETLB_PAGE | |
78 | default y | |
79 | ||
2875aef8 AM |
80 | config GENERIC_FIND_NEXT_BIT |
81 | bool | |
82 | default y | |
83 | ||
1da177e4 LT |
84 | config GENERIC_CALIBRATE_DELAY |
85 | bool | |
86 | default y | |
87 | ||
0aa366f3 | 88 | config GENERIC_TIME_VSYSCALL |
1da177e4 LT |
89 | bool |
90 | default y | |
91 | ||
988c388a | 92 | config HAVE_SETUP_PER_CPU_AREA |
b32ef636 | 93 | def_bool y |
94 | ||
3ed3bce8 MD |
95 | config DMI |
96 | bool | |
97 | default y | |
98 | ||
1da177e4 LT |
99 | config EFI |
100 | bool | |
101 | default y | |
102 | ||
103 | config GENERIC_IOMAP | |
104 | bool | |
105 | default y | |
106 | ||
ae1e9130 | 107 | config SCHED_OMIT_FRAME_POINTER |
7d12e522 AB |
108 | bool |
109 | default y | |
110 | ||
f14f75b8 JS |
111 | config IA64_UNCACHED_ALLOCATOR |
112 | bool | |
113 | select GENERIC_ALLOCATOR | |
114 | ||
46cf98cd VP |
115 | config ARCH_USES_PG_UNCACHED |
116 | def_bool y | |
117 | depends on IA64_UNCACHED_ALLOCATOR | |
118 | ||
e65e1fc2 AV |
119 | config AUDIT_ARCH |
120 | bool | |
121 | default y | |
122 | ||
ba9cc328 IY |
123 | menuconfig PARAVIRT_GUEST |
124 | bool "Paravirtualized guest support" | |
125 | help | |
126 | Say Y here to get to see options related to running Linux under | |
127 | various hypervisors. This option alone does not add any kernel code. | |
128 | ||
129 | If you say N, all options in this submenu will be skipped and disabled. | |
130 | ||
131 | if PARAVIRT_GUEST | |
132 | ||
133 | config PARAVIRT | |
134 | bool "Enable paravirtualization code" | |
135 | depends on PARAVIRT_GUEST | |
136 | default y | |
137 | bool | |
138 | default y | |
139 | help | |
140 | This changes the kernel so it can modify itself when it is run | |
141 | under a hypervisor, potentially improving performance significantly | |
142 | over full virtualization. However, when run without a hypervisor | |
143 | the kernel is theoretically slower and slightly larger. | |
144 | ||
145 | ||
146 | source "arch/ia64/xen/Kconfig" | |
147 | ||
148 | endif | |
149 | ||
1da177e4 LT |
150 | choice |
151 | prompt "System type" | |
152 | default IA64_GENERIC | |
153 | ||
154 | config IA64_GENERIC | |
155 | bool "generic" | |
156 | select NUMA | |
157 | select ACPI_NUMA | |
d1598e05 | 158 | select SWIOTLB |
62fdd767 | 159 | select PCI_MSI |
f2b3fdc8 | 160 | select DMAR |
1da177e4 LT |
161 | help |
162 | This selects the system type of your hardware. A "generic" kernel | |
163 | will run on any supported IA-64 system. However, if you configure | |
164 | a kernel for your specific system, it will be faster and smaller. | |
165 | ||
166 | generic For any supported IA-64 system | |
167 | DIG-compliant For DIG ("Developer's Interface Guide") compliant systems | |
62fdd767 | 168 | DIG+Intel+IOMMU For DIG systems with Intel IOMMU |
1da177e4 LT |
169 | HP-zx1/sx1000 For HP systems |
170 | HP-zx1/sx1000+swiotlb For HP systems with (broken) DMA-constrained devices. | |
171 | SGI-SN2 For SGI Altix systems | |
22246614 | 172 | SGI-UV For SGI UV systems |
1da177e4 | 173 | Ski-simulator For the HP simulator <http://www.hpl.hp.com/research/linux/ski/> |
ba9cc328 | 174 | Xen-domU For xen domU system |
1da177e4 LT |
175 | |
176 | If you don't know what to do, choose "generic". | |
177 | ||
178 | config IA64_DIG | |
179 | bool "DIG-compliant" | |
d1598e05 | 180 | select SWIOTLB |
1da177e4 | 181 | |
62fdd767 FY |
182 | config IA64_DIG_VTD |
183 | bool "DIG+Intel+IOMMU" | |
184 | select DMAR | |
185 | select PCI_MSI | |
186 | ||
1da177e4 LT |
187 | config IA64_HP_ZX1 |
188 | bool "HP-zx1/sx1000" | |
189 | help | |
190 | Build a kernel that runs on HP zx1 and sx1000 systems. This adds | |
191 | support for the HP I/O MMU. | |
192 | ||
193 | config IA64_HP_ZX1_SWIOTLB | |
194 | bool "HP-zx1/sx1000 with software I/O TLB" | |
d1598e05 | 195 | select SWIOTLB |
1da177e4 LT |
196 | help |
197 | Build a kernel that runs on HP zx1 and sx1000 systems even when they | |
198 | have broken PCI devices which cannot DMA to full 32 bits. Apart | |
199 | from support for the HP I/O MMU, this includes support for the software | |
200 | I/O TLB, which allows supporting the broken devices at the expense of | |
201 | wasting some kernel memory (about 2MB by default). | |
202 | ||
203 | config IA64_SGI_SN2 | |
204 | bool "SGI-SN2" | |
bd3be240 JS |
205 | select NUMA |
206 | select ACPI_NUMA | |
1da177e4 LT |
207 | help |
208 | Selecting this option will optimize the kernel for use on sn2 based | |
209 | systems, but the resulting kernel binary will not run on other | |
210 | types of ia64 systems. If you have an SGI Altix system, it's safe | |
211 | to select this option. If in doubt, select ia64 generic support | |
212 | instead. | |
213 | ||
3351ab9b JS |
214 | config IA64_SGI_UV |
215 | bool "SGI-UV" | |
22246614 JS |
216 | select NUMA |
217 | select ACPI_NUMA | |
218 | select SWIOTLB | |
219 | help | |
220 | Selecting this option will optimize the kernel for use on UV based | |
221 | systems, but the resulting kernel binary will not run on other | |
222 | types of ia64 systems. If you have an SGI UV system, it's safe | |
223 | to select this option. If in doubt, select ia64 generic support | |
224 | instead. | |
225 | ||
1da177e4 LT |
226 | config IA64_HP_SIM |
227 | bool "Ski-simulator" | |
d1598e05 | 228 | select SWIOTLB |
1da177e4 | 229 | |
ba9cc328 IY |
230 | config IA64_XEN_GUEST |
231 | bool "Xen guest" | |
1d5b20f4 | 232 | select SWIOTLB |
ba9cc328 | 233 | depends on XEN |
1d5b20f4 IY |
234 | help |
235 | Build a kernel that runs on Xen guest domain. At this moment only | |
236 | 16KB page size in supported. | |
ba9cc328 | 237 | |
1da177e4 LT |
238 | endchoice |
239 | ||
240 | choice | |
241 | prompt "Processor type" | |
242 | default ITANIUM | |
243 | ||
244 | config ITANIUM | |
245 | bool "Itanium" | |
246 | help | |
247 | Select your IA-64 processor type. The default is Itanium. | |
248 | This choice is safe for all IA-64 systems, but may not perform | |
249 | optimally on systems with, say, Itanium 2 or newer processors. | |
250 | ||
251 | config MCKINLEY | |
252 | bool "Itanium 2" | |
253 | help | |
254 | Select this to configure for an Itanium 2 (McKinley) processor. | |
255 | ||
256 | endchoice | |
257 | ||
258 | choice | |
259 | prompt "Kernel page size" | |
260 | default IA64_PAGE_SIZE_16KB | |
261 | ||
262 | config IA64_PAGE_SIZE_4KB | |
263 | bool "4KB" | |
264 | help | |
265 | This lets you select the page size of the kernel. For best IA-64 | |
266 | performance, a page size of 8KB or 16KB is recommended. For best | |
267 | IA-32 compatibility, a page size of 4KB should be selected (the vast | |
268 | majority of IA-32 binaries work perfectly fine with a larger page | |
269 | size). For Itanium 2 or newer systems, a page size of 64KB can also | |
270 | be selected. | |
271 | ||
272 | 4KB For best IA-32 compatibility | |
273 | 8KB For best IA-64 performance | |
274 | 16KB For best IA-64 performance | |
275 | 64KB Requires Itanium 2 or newer processor. | |
276 | ||
277 | If you don't know what to do, choose 16KB. | |
278 | ||
279 | config IA64_PAGE_SIZE_8KB | |
280 | bool "8KB" | |
281 | ||
282 | config IA64_PAGE_SIZE_16KB | |
283 | bool "16KB" | |
284 | ||
285 | config IA64_PAGE_SIZE_64KB | |
286 | depends on !ITANIUM | |
287 | bool "64KB" | |
288 | ||
289 | endchoice | |
290 | ||
837cd0bd RH |
291 | choice |
292 | prompt "Page Table Levels" | |
293 | default PGTABLE_3 | |
294 | ||
295 | config PGTABLE_3 | |
296 | bool "3 Levels" | |
297 | ||
298 | config PGTABLE_4 | |
299 | depends on !IA64_PAGE_SIZE_64KB | |
300 | bool "4 Levels" | |
301 | ||
302 | endchoice | |
303 | ||
10d0aa3c TL |
304 | if IA64_HP_SIM |
305 | config HZ | |
306 | default 32 | |
307 | endif | |
308 | ||
309 | if !IA64_HP_SIM | |
b5d23e5b | 310 | source kernel/Kconfig.hz |
10d0aa3c | 311 | endif |
b5d23e5b | 312 | |
1da177e4 LT |
313 | config IA64_BRL_EMU |
314 | bool | |
315 | depends on ITANIUM | |
316 | default y | |
317 | ||
318 | # align cache-sensitive data to 128 bytes | |
319 | config IA64_L1_CACHE_SHIFT | |
320 | int | |
321 | default "7" if MCKINLEY | |
322 | default "6" if ITANIUM | |
323 | ||
1da177e4 LT |
324 | config IA64_CYCLONE |
325 | bool "Cyclone (EXA) Time Source support" | |
326 | help | |
327 | Say Y here to enable support for IBM EXA Cyclone time source. | |
328 | If you're unsure, answer N. | |
329 | ||
330 | config IOSAPIC | |
331 | bool | |
332 | depends on !IA64_HP_SIM | |
333 | default y | |
334 | ||
1da177e4 | 335 | config FORCE_MAX_ZONEORDER |
da9577c5 BP |
336 | int "MAX_ORDER (11 - 17)" if !HUGETLB_PAGE |
337 | range 11 17 if !HUGETLB_PAGE | |
338 | default "17" if HUGETLB_PAGE | |
339 | default "11" | |
1da177e4 | 340 | |
b64f34cd HS |
341 | config VIRT_CPU_ACCOUNTING |
342 | bool "Deterministic task and CPU time accounting" | |
343 | default n | |
344 | help | |
345 | Select this option to enable more accurate task and CPU time | |
346 | accounting. This is done by reading a CPU counter on each | |
347 | kernel entry and exit and on transitions within the kernel | |
348 | between system, softirq and hardirq state, so there is a | |
349 | small performance impact. | |
350 | If in doubt, say N here. | |
351 | ||
1da177e4 LT |
352 | config SMP |
353 | bool "Symmetric multi-processing support" | |
f27b433e | 354 | select USE_GENERIC_SMP_HELPERS |
1da177e4 LT |
355 | help |
356 | This enables support for systems with more than one CPU. If you have | |
357 | a system with only one CPU, say N. If you have a system with more | |
358 | than one CPU, say Y. | |
359 | ||
360 | If you say N here, the kernel will run on single and multiprocessor | |
361 | systems, but will use only one CPU of a multiprocessor system. If | |
362 | you say Y here, the kernel will run on many, but not all, | |
363 | single processor systems. On a single processor system, the kernel | |
364 | will run faster if you say N here. | |
365 | ||
03502faa AB |
366 | See also the SMP-HOWTO available at |
367 | <http://www.tldp.org/docs.html#howto>. | |
1da177e4 LT |
368 | |
369 | If you don't know what to do here, say N. | |
370 | ||
371 | config NR_CPUS | |
d1339df1 RH |
372 | int "Maximum number of CPUs (2-4096)" |
373 | range 2 4096 | |
1da177e4 | 374 | depends on SMP |
d1339df1 | 375 | default "4096" |
1da177e4 LT |
376 | help |
377 | You should set this to the number of CPUs in your system, but | |
378 | keep in mind that a kernel compiled for, e.g., 2 CPUs will boot but | |
379 | only use 2 CPUs on a >2 CPU system. Setting this to a value larger | |
380 | than 64 will cause the use of a CPU mask array, causing a small | |
381 | performance hit. | |
382 | ||
383 | config HOTPLUG_CPU | |
384 | bool "Support for hot-pluggable CPUs (EXPERIMENTAL)" | |
385 | depends on SMP && EXPERIMENTAL | |
386 | select HOTPLUG | |
387 | default n | |
388 | ---help--- | |
389 | Say Y here to experiment with turning CPUs off and on. CPUs | |
390 | can be controlled through /sys/devices/system/cpu/cpu#. | |
391 | Say N if you want to disable CPU hotplug. | |
392 | ||
cc57637b YG |
393 | config ARCH_ENABLE_MEMORY_HOTPLUG |
394 | def_bool y | |
395 | ||
0c0e6195 KH |
396 | config ARCH_ENABLE_MEMORY_HOTREMOVE |
397 | def_bool y | |
398 | ||
7a9bdd88 SS |
399 | config SCHED_SMT |
400 | bool "SMT scheduler support" | |
401 | depends on SMP | |
7a9bdd88 SS |
402 | help |
403 | Improves the CPU scheduler's decision making when dealing with | |
404 | Intel IA64 chips with MultiThreading at a cost of slightly increased | |
405 | overhead in some places. If unsure say N here. | |
406 | ||
ff741906 AR |
407 | config PERMIT_BSP_REMOVE |
408 | bool "Support removal of Bootstrap Processor" | |
409 | depends on HOTPLUG_CPU | |
410 | default n | |
411 | ---help--- | |
412 | Say Y here if your platform SAL will support removal of BSP with HOTPLUG_CPU | |
413 | support. | |
414 | ||
415 | config FORCE_CPEI_RETARGET | |
416 | bool "Force assumption that CPEI can be re-targetted" | |
417 | depends on PERMIT_BSP_REMOVE | |
418 | default n | |
419 | ---help--- | |
420 | Say Y if you need to force the assumption that CPEI can be re-targetted to | |
421 | any cpu in the system. This hint is available via ACPI 3.0 specifications. | |
422 | Tiger4 systems are capable of re-directing CPEI to any CPU other than BSP. | |
423 | This option it useful to enable this feature on older BIOS's as well. | |
424 | You can also enable this by using boot command line option force_cpei=1. | |
425 | ||
0b0517a4 | 426 | source "kernel/Kconfig.preempt" |
1da177e4 | 427 | |
3f22ab27 DH |
428 | source "mm/Kconfig" |
429 | ||
da9577c5 BP |
430 | config ARCH_SELECT_MEMORY_MODEL |
431 | def_bool y | |
432 | ||
433 | config ARCH_DISCONTIGMEM_ENABLE | |
434 | def_bool y | |
435 | help | |
436 | Say Y to support efficient handling of discontiguous physical memory, | |
437 | for architectures which are either NUMA (Non-Uniform Memory Access) | |
438 | or have huge holes in the physical address space for other reasons. | |
439 | See <file:Documentation/vm/numa> for more. | |
440 | ||
441 | config ARCH_FLATMEM_ENABLE | |
442 | def_bool y | |
443 | ||
444 | config ARCH_SPARSEMEM_ENABLE | |
445 | def_bool y | |
446 | depends on ARCH_DISCONTIGMEM_ENABLE | |
ef229c5a | 447 | select SPARSEMEM_VMEMMAP_ENABLE |
da9577c5 BP |
448 | |
449 | config ARCH_DISCONTIGMEM_DEFAULT | |
450 | def_bool y if (IA64_SGI_SN2 || IA64_GENERIC || IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB) | |
451 | depends on ARCH_DISCONTIGMEM_ENABLE | |
452 | ||
453 | config NUMA | |
454 | bool "NUMA support" | |
455 | depends on !IA64_HP_SIM && !FLATMEM | |
456 | default y if IA64_SGI_SN2 | |
6c33eb39 | 457 | select ACPI_NUMA if ACPI |
da9577c5 BP |
458 | help |
459 | Say Y to compile the kernel to support NUMA (Non-Uniform Memory | |
460 | Access). This option is for configuring high-end multiprocessor | |
461 | server systems. If in doubt, say N. | |
462 | ||
c80d79d7 YG |
463 | config NODES_SHIFT |
464 | int "Max num nodes shift(3-10)" | |
465 | range 3 10 | |
c57d68ca | 466 | default "10" |
c80d79d7 YG |
467 | depends on NEED_MULTIPLE_NODES |
468 | help | |
469 | This option specifies the maximum number of nodes in your SSI system. | |
470 | MAX_NUMNODES will be 2^(This value). | |
471 | If in doubt, use the default. | |
472 | ||
05e0caad MG |
473 | config ARCH_POPULATES_NODE_MAP |
474 | def_bool y | |
475 | ||
da9577c5 BP |
476 | # VIRTUAL_MEM_MAP and FLAT_NODE_MEM_MAP are functionally equivalent. |
477 | # VIRTUAL_MEM_MAP has been retained for historical reasons. | |
478 | config VIRTUAL_MEM_MAP | |
479 | bool "Virtual mem map" | |
480 | depends on !SPARSEMEM | |
481 | default y if !IA64_HP_SIM | |
482 | help | |
483 | Say Y to compile the kernel with support for a virtual mem map. | |
484 | This code also only takes effect if a memory hole of greater than | |
485 | 1 Gb is found during boot. You must turn this option on if you | |
486 | require the DISCONTIGMEM option for your machine. If you are | |
487 | unsure, say Y. | |
488 | ||
489 | config HOLES_IN_ZONE | |
490 | bool | |
491 | default y if VIRTUAL_MEM_MAP | |
492 | ||
493 | config HAVE_ARCH_EARLY_PFN_TO_NID | |
334f85b6 | 494 | def_bool NUMA && SPARSEMEM |
da9577c5 | 495 | |
10ad400b YG |
496 | config HAVE_ARCH_NODEDATA_EXTENSION |
497 | def_bool y | |
498 | depends on NUMA | |
499 | ||
3bccd996 LS |
500 | config USE_PERCPU_NUMA_NODE_ID |
501 | def_bool y | |
502 | depends on NUMA | |
503 | ||
fd1197f1 | 504 | config HAVE_MEMORYLESS_NODES |
25106000 | 505 | def_bool NUMA |
fd1197f1 | 506 | |
9492587c KH |
507 | config ARCH_PROC_KCORE_TEXT |
508 | def_bool y | |
509 | depends on PROC_KCORE | |
510 | ||
1da177e4 LT |
511 | config IA64_MCA_RECOVERY |
512 | tristate "MCA recovery from errors other than TLB." | |
513 | ||
514 | config PERFMON | |
515 | bool "Performance monitor support" | |
516 | help | |
517 | Selects whether support for the IA-64 performance monitor hardware | |
518 | is included in the kernel. This makes some kernel data-structures a | |
519 | little bigger and slows down execution a bit, but it is generally | |
520 | a good idea to turn this on. If you're unsure, say Y. | |
521 | ||
522 | config IA64_PALINFO | |
523 | tristate "/proc/pal support" | |
524 | help | |
525 | If you say Y here, you are able to get PAL (Processor Abstraction | |
526 | Layer) information in /proc/pal. This contains useful information | |
527 | about the processors in your systems, such as cache and TLB sizes | |
528 | and the PAL firmware version in use. | |
529 | ||
530 | To use this option, you have to ensure that the "/proc file system | |
531 | support" (CONFIG_PROC_FS) is enabled, too. | |
532 | ||
e9ef08bd FY |
533 | config IA64_MC_ERR_INJECT |
534 | tristate "MC error injection support" | |
535 | help | |
01dd2fbf ML |
536 | Adds support for MC error injection. If enabled, the kernel |
537 | will provide a sysfs interface for user applications to | |
538 | call MC error injection PAL procedures to inject various errors. | |
e9ef08bd FY |
539 | This is a useful tool for MCA testing. |
540 | ||
541 | If you're unsure, do not select this option. | |
542 | ||
466575f4 JS |
543 | config SGI_SN |
544 | def_bool y if (IA64_SGI_SN2 || IA64_GENERIC) | |
545 | ||
2ab561a1 DMT |
546 | config IA64_ESI |
547 | bool "ESI (Extensible SAL Interface) support" | |
548 | help | |
549 | If you say Y here, support is built into the kernel to | |
550 | make ESI calls. ESI calls are used to support vendor-specific | |
551 | firmware extensions, such as the ability to inject memory-errors | |
552 | for test-purposes. If you're unsure, say N. | |
553 | ||
28eda5b8 BH |
554 | config IA64_HP_AML_NFW |
555 | bool "Support ACPI AML calls to native firmware" | |
556 | help | |
557 | This driver installs a global ACPI Operation Region handler for | |
558 | region 0xA1. AML methods can use this OpRegion to call arbitrary | |
559 | native firmware functions. The driver installs the OpRegion | |
560 | handler if there is an HPQ5001 device or if the user supplies | |
561 | the "force" module parameter, e.g., with the "aml_nfw.force" | |
562 | kernel command line option. | |
563 | ||
c1311af1 BC |
564 | source "drivers/sn/Kconfig" |
565 | ||
a7956113 ZN |
566 | config KEXEC |
567 | bool "kexec system call (EXPERIMENTAL)" | |
568 | depends on EXPERIMENTAL && !IA64_HP_SIM && (!SMP || HOTPLUG_CPU) | |
569 | help | |
570 | kexec is a system call that implements the ability to shutdown your | |
571 | current kernel, and to start another kernel. It is like a reboot | |
3dde6ad8 | 572 | but it is independent of the system firmware. And like a reboot |
a7956113 ZN |
573 | you can start any kernel with it, not just Linux. |
574 | ||
01dd2fbf | 575 | The name comes from the similarity to the exec system call. |
a7956113 ZN |
576 | |
577 | It is an ongoing process to be certain the hardware in a machine | |
578 | is properly shutdown, so do not be surprised if this code does not | |
579 | initially work for you. It may help to enable device hotplugging | |
580 | support. As of this writing the exact hardware interface is | |
581 | strongly in flux, so no good recommendation can be made. | |
582 | ||
583 | config CRASH_DUMP | |
fb86611f BW |
584 | bool "kernel crash dumps" |
585 | depends on IA64_MCA_RECOVERY && !IA64_HP_SIM && (!SMP || HOTPLUG_CPU) | |
a7956113 ZN |
586 | help |
587 | Generate crash dump after being started by kexec. | |
588 | ||
1da177e4 LT |
589 | source "drivers/firmware/Kconfig" |
590 | ||
591 | source "fs/Kconfig.binfmt" | |
592 | ||
593 | endmenu | |
594 | ||
1547a012 | 595 | menu "Power management and ACPI options" |
1da177e4 | 596 | |
eb7b6b32 | 597 | source "kernel/power/Kconfig" |
1da177e4 LT |
598 | |
599 | source "drivers/acpi/Kconfig" | |
600 | ||
4db8699b VP |
601 | if PM |
602 | ||
603 | source "arch/ia64/kernel/cpufreq/Kconfig" | |
604 | ||
605 | endif | |
606 | ||
1da177e4 LT |
607 | endmenu |
608 | ||
609 | if !IA64_HP_SIM | |
610 | ||
611 | menu "Bus options (PCI, PCMCIA)" | |
612 | ||
613 | config PCI | |
614 | bool "PCI support" | |
615 | help | |
85f265d8 CH |
616 | Real IA-64 machines all have PCI/PCI-X/PCI Express busses. Say Y |
617 | here unless you are using a simulator without PCI support. | |
1da177e4 LT |
618 | |
619 | config PCI_DOMAINS | |
36e23590 MW |
620 | def_bool PCI |
621 | ||
622 | config PCI_SYSCALL | |
623 | def_bool PCI | |
1da177e4 | 624 | |
b7bb575c KK |
625 | source "drivers/pci/pcie/Kconfig" |
626 | ||
1da177e4 LT |
627 | source "drivers/pci/Kconfig" |
628 | ||
629 | source "drivers/pci/hotplug/Kconfig" | |
630 | ||
631 | source "drivers/pcmcia/Kconfig" | |
632 | ||
62fdd767 FY |
633 | config DMAR |
634 | bool "Support for DMA Remapping Devices (EXPERIMENTAL)" | |
635 | depends on IA64_GENERIC && ACPI && EXPERIMENTAL | |
636 | help | |
637 | DMA remapping (DMAR) devices support enables independent address | |
638 | translations for Direct Memory Access (DMA) from devices. | |
639 | These DMA remapping devices are reported via ACPI tables | |
640 | and include PCI device scope covered by these DMA | |
641 | remapping devices. | |
642 | ||
6b1ff036 KM |
643 | config DMAR_DEFAULT_ON |
644 | def_bool y | |
645 | prompt "Enable DMA Remapping Devices by default" | |
646 | depends on DMAR | |
647 | help | |
648 | Selecting this option will enable a DMAR device at boot time if | |
649 | one is found. If this option is not selected, DMAR support can | |
650 | be enabled by passing intel_iommu=on to the kernel. It is | |
651 | recommended you say N here while the DMAR code remains | |
652 | experimental. | |
653 | ||
1da177e4 LT |
654 | endmenu |
655 | ||
656 | endif | |
657 | ||
d5950b43 SR |
658 | source "net/Kconfig" |
659 | ||
1da177e4 LT |
660 | source "drivers/Kconfig" |
661 | ||
1547a012 BH |
662 | source "arch/ia64/hp/sim/Kconfig" |
663 | ||
1a4b0fc5 JS |
664 | config MSPEC |
665 | tristate "Memory special operations driver" | |
666 | depends on IA64 | |
667 | select IA64_UNCACHED_ALLOCATOR | |
668 | help | |
669 | If you have an ia64 and you want to enable memory special | |
670 | operations support (formerly known as fetchop), say Y here, | |
671 | otherwise say N. | |
672 | ||
1da177e4 LT |
673 | source "fs/Kconfig" |
674 | ||
1547a012 BH |
675 | source "arch/ia64/Kconfig.debug" |
676 | ||
677 | source "security/Kconfig" | |
678 | ||
679 | source "crypto/Kconfig" | |
680 | ||
b693919c XZ |
681 | source "arch/ia64/kvm/Kconfig" |
682 | ||
1da177e4 LT |
683 | source "lib/Kconfig" |
684 | ||
b34eb53c | 685 | config IOMMU_HELPER |
a8522509 | 686 | def_bool (IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB || IA64_GENERIC || SWIOTLB) |
1aaf1183 JR |
687 | |
688 | config IOMMU_API | |
689 | def_bool (DMAR) |