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 | |
468bcf08 | 9 | select ARCH_MIGHT_HAVE_PC_PARPORT |
06f87adf LB |
10 | select PCI if (!IA64_HP_SIM) |
11 | select ACPI if (!IA64_HP_SIM) | |
8140a90e | 12 | select PM if (!IA64_HP_SIM) |
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 |
98e4ae8a TH |
25 | select HAVE_MEMBLOCK |
26 | select HAVE_MEMBLOCK_NODE_MAP | |
b952741c | 27 | select HAVE_VIRT_CPU_ACCOUNTING |
4febd95a | 28 | select VIRT_TO_BUS |
98e4ae8a | 29 | select ARCH_DISCARD_MEMBLOCK |
c5e66129 TG |
30 | select GENERIC_IRQ_PROBE |
31 | select GENERIC_PENDING_IRQ if SMP | |
e3d78122 | 32 | select GENERIC_IRQ_SHOW |
badc1446 | 33 | select ARCH_WANT_OPTIONAL_GPIOLIB |
df013ffb | 34 | select ARCH_HAVE_NMI_SAFE_CMPXCHG |
4673ca8e | 35 | select GENERIC_IOMAP |
13583bf1 | 36 | select GENERIC_SMP_IDLE_THREAD |
a6359d1e | 37 | select ARCH_INIT_TASK |
f5e10287 TG |
38 | select ARCH_TASK_STRUCT_ALLOCATOR |
39 | select ARCH_THREAD_INFO_ALLOCATOR | |
21b19710 | 40 | select ARCH_CLOCKSOURCE_DATA |
70639421 | 41 | select GENERIC_TIME_VSYSCALL_OLD |
b6fca725 | 42 | select SYSCTL_ARCH_UNALIGN_NO_WARN |
786d35d4 DH |
43 | select HAVE_MOD_ARCH_SPECIFIC |
44 | select MODULES_USE_ELF_RELA | |
71c7356f | 45 | select ARCH_USE_CMPXCHG_LOCKREF |
1da177e4 LT |
46 | default y |
47 | help | |
48 | The Itanium Processor Family is Intel's 64-bit successor to | |
49 | the 32-bit X86 line. The IA-64 Linux project has a home | |
50 | page at <http://www.linuxia64.org/> and a mailing list at | |
51 | <linux-ia64@vger.kernel.org>. | |
52 | ||
53 | config 64BIT | |
54 | bool | |
9f271d57 | 55 | select ATA_NONSTANDARD if ATA |
1da177e4 LT |
56 | default y |
57 | ||
66701b14 | 58 | config ZONE_DMA |
09ae1f58 CL |
59 | def_bool y |
60 | depends on !IA64_SGI_SN2 | |
66701b14 | 61 | |
2bd62a40 CL |
62 | config QUICKLIST |
63 | bool | |
64 | default y | |
65 | ||
1da177e4 LT |
66 | config MMU |
67 | bool | |
68 | default y | |
69 | ||
e33621a2 FT |
70 | config ARCH_DMA_ADDR_T_64BIT |
71 | def_bool y | |
72 | ||
66ed5ef8 FT |
73 | config NEED_DMA_MAP_STATE |
74 | def_bool y | |
75 | ||
18e98307 FT |
76 | config NEED_SG_DMA_LENGTH |
77 | def_bool y | |
78 | ||
6c654b5f JL |
79 | config SWIOTLB |
80 | bool | |
6c654b5f | 81 | |
85718fae TL |
82 | config STACKTRACE_SUPPORT |
83 | def_bool y | |
84 | ||
95c354fe | 85 | config GENERIC_LOCKBREAK |
2c86963b | 86 | def_bool n |
95c354fe | 87 | |
1da177e4 LT |
88 | config RWSEM_XCHGADD_ALGORITHM |
89 | bool | |
90 | default y | |
91 | ||
d9c23400 MG |
92 | config HUGETLB_PAGE_SIZE_VARIABLE |
93 | bool | |
94 | depends on HUGETLB_PAGE | |
95 | default y | |
96 | ||
1da177e4 LT |
97 | config GENERIC_CALIBRATE_DELAY |
98 | bool | |
99 | default y | |
100 | ||
988c388a | 101 | config HAVE_SETUP_PER_CPU_AREA |
b32ef636 | 102 | def_bool y |
103 | ||
3ed3bce8 MD |
104 | config DMI |
105 | bool | |
106 | default y | |
107 | ||
1da177e4 LT |
108 | config EFI |
109 | bool | |
a614e192 | 110 | select UCS2_STRING |
1da177e4 LT |
111 | default y |
112 | ||
ae1e9130 | 113 | config SCHED_OMIT_FRAME_POINTER |
7d12e522 AB |
114 | bool |
115 | default y | |
116 | ||
f14f75b8 JS |
117 | config IA64_UNCACHED_ALLOCATOR |
118 | bool | |
119 | select GENERIC_ALLOCATOR | |
120 | ||
46cf98cd VP |
121 | config ARCH_USES_PG_UNCACHED |
122 | def_bool y | |
123 | depends on IA64_UNCACHED_ALLOCATOR | |
124 | ||
e65e1fc2 AV |
125 | config AUDIT_ARCH |
126 | bool | |
127 | default y | |
128 | ||
ba9cc328 IY |
129 | menuconfig PARAVIRT_GUEST |
130 | bool "Paravirtualized guest support" | |
0c406643 | 131 | depends on BROKEN |
ba9cc328 IY |
132 | help |
133 | Say Y here to get to see options related to running Linux under | |
134 | various hypervisors. This option alone does not add any kernel code. | |
135 | ||
136 | If you say N, all options in this submenu will be skipped and disabled. | |
137 | ||
138 | if PARAVIRT_GUEST | |
139 | ||
140 | config PARAVIRT | |
141 | bool "Enable paravirtualization code" | |
142 | depends on PARAVIRT_GUEST | |
143 | default y | |
ba9cc328 IY |
144 | help |
145 | This changes the kernel so it can modify itself when it is run | |
146 | under a hypervisor, potentially improving performance significantly | |
147 | over full virtualization. However, when run without a hypervisor | |
148 | the kernel is theoretically slower and slightly larger. | |
149 | ||
ba9cc328 IY |
150 | endif |
151 | ||
1da177e4 LT |
152 | choice |
153 | prompt "System type" | |
154 | default IA64_GENERIC | |
155 | ||
156 | config IA64_GENERIC | |
157 | bool "generic" | |
158 | select NUMA | |
159 | select ACPI_NUMA | |
d1598e05 | 160 | select SWIOTLB |
62fdd767 | 161 | select PCI_MSI |
1da177e4 LT |
162 | help |
163 | This selects the system type of your hardware. A "generic" kernel | |
164 | will run on any supported IA-64 system. However, if you configure | |
165 | a kernel for your specific system, it will be faster and smaller. | |
166 | ||
167 | generic For any supported IA-64 system | |
168 | DIG-compliant For DIG ("Developer's Interface Guide") compliant systems | |
62fdd767 | 169 | DIG+Intel+IOMMU For DIG systems with Intel IOMMU |
1da177e4 LT |
170 | HP-zx1/sx1000 For HP systems |
171 | HP-zx1/sx1000+swiotlb For HP systems with (broken) DMA-constrained devices. | |
172 | SGI-SN2 For SGI Altix systems | |
22246614 | 173 | SGI-UV For SGI UV systems |
1da177e4 LT |
174 | Ski-simulator For the HP simulator <http://www.hpl.hp.com/research/linux/ski/> |
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" | |
96edc754 | 184 | select INTEL_IOMMU |
62fdd767 FY |
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 LT |
229 | |
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 LT |
332 | |
333 | config SMP | |
334 | bool "Symmetric multi-processing support" | |
335 | help | |
336 | This enables support for systems with more than one CPU. If you have | |
337 | a system with only one CPU, say N. If you have a system with more | |
338 | than one CPU, say Y. | |
339 | ||
340 | If you say N here, the kernel will run on single and multiprocessor | |
341 | systems, but will use only one CPU of a multiprocessor system. If | |
342 | you say Y here, the kernel will run on many, but not all, | |
343 | single processor systems. On a single processor system, the kernel | |
344 | will run faster if you say N here. | |
345 | ||
03502faa AB |
346 | See also the SMP-HOWTO available at |
347 | <http://www.tldp.org/docs.html#howto>. | |
1da177e4 LT |
348 | |
349 | If you don't know what to do here, say N. | |
350 | ||
351 | config NR_CPUS | |
d1339df1 RH |
352 | int "Maximum number of CPUs (2-4096)" |
353 | range 2 4096 | |
1da177e4 | 354 | depends on SMP |
d1339df1 | 355 | default "4096" |
1da177e4 LT |
356 | help |
357 | You should set this to the number of CPUs in your system, but | |
358 | keep in mind that a kernel compiled for, e.g., 2 CPUs will boot but | |
359 | only use 2 CPUs on a >2 CPU system. Setting this to a value larger | |
360 | than 64 will cause the use of a CPU mask array, causing a small | |
361 | performance hit. | |
362 | ||
363 | config HOTPLUG_CPU | |
48a9240c KC |
364 | bool "Support for hot-pluggable CPUs" |
365 | depends on SMP | |
1da177e4 LT |
366 | default n |
367 | ---help--- | |
368 | Say Y here to experiment with turning CPUs off and on. CPUs | |
369 | can be controlled through /sys/devices/system/cpu/cpu#. | |
370 | Say N if you want to disable CPU hotplug. | |
371 | ||
cc57637b YG |
372 | config ARCH_ENABLE_MEMORY_HOTPLUG |
373 | def_bool y | |
374 | ||
0c0e6195 KH |
375 | config ARCH_ENABLE_MEMORY_HOTREMOVE |
376 | def_bool y | |
377 | ||
7a9bdd88 SS |
378 | config SCHED_SMT |
379 | bool "SMT scheduler support" | |
380 | depends on SMP | |
7a9bdd88 SS |
381 | help |
382 | Improves the CPU scheduler's decision making when dealing with | |
383 | Intel IA64 chips with MultiThreading at a cost of slightly increased | |
384 | overhead in some places. If unsure say N here. | |
385 | ||
ff741906 AR |
386 | config PERMIT_BSP_REMOVE |
387 | bool "Support removal of Bootstrap Processor" | |
388 | depends on HOTPLUG_CPU | |
389 | default n | |
390 | ---help--- | |
391 | Say Y here if your platform SAL will support removal of BSP with HOTPLUG_CPU | |
392 | support. | |
393 | ||
394 | config FORCE_CPEI_RETARGET | |
25985edc | 395 | bool "Force assumption that CPEI can be re-targeted" |
ff741906 AR |
396 | depends on PERMIT_BSP_REMOVE |
397 | default n | |
398 | ---help--- | |
25985edc | 399 | Say Y if you need to force the assumption that CPEI can be re-targeted to |
ff741906 AR |
400 | any cpu in the system. This hint is available via ACPI 3.0 specifications. |
401 | Tiger4 systems are capable of re-directing CPEI to any CPU other than BSP. | |
402 | This option it useful to enable this feature on older BIOS's as well. | |
403 | You can also enable this by using boot command line option force_cpei=1. | |
404 | ||
0b0517a4 | 405 | source "kernel/Kconfig.preempt" |
1da177e4 | 406 | |
3f22ab27 DH |
407 | source "mm/Kconfig" |
408 | ||
da9577c5 BP |
409 | config ARCH_SELECT_MEMORY_MODEL |
410 | def_bool y | |
411 | ||
412 | config ARCH_DISCONTIGMEM_ENABLE | |
413 | def_bool y | |
414 | help | |
415 | Say Y to support efficient handling of discontiguous physical memory, | |
416 | for architectures which are either NUMA (Non-Uniform Memory Access) | |
417 | or have huge holes in the physical address space for other reasons. | |
418 | See <file:Documentation/vm/numa> for more. | |
419 | ||
420 | config ARCH_FLATMEM_ENABLE | |
421 | def_bool y | |
422 | ||
423 | config ARCH_SPARSEMEM_ENABLE | |
424 | def_bool y | |
425 | depends on ARCH_DISCONTIGMEM_ENABLE | |
ef229c5a | 426 | select SPARSEMEM_VMEMMAP_ENABLE |
da9577c5 BP |
427 | |
428 | config ARCH_DISCONTIGMEM_DEFAULT | |
429 | def_bool y if (IA64_SGI_SN2 || IA64_GENERIC || IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB) | |
430 | depends on ARCH_DISCONTIGMEM_ENABLE | |
431 | ||
432 | config NUMA | |
433 | bool "NUMA support" | |
434 | depends on !IA64_HP_SIM && !FLATMEM | |
435 | default y if IA64_SGI_SN2 | |
6c33eb39 | 436 | select ACPI_NUMA if ACPI |
da9577c5 BP |
437 | help |
438 | Say Y to compile the kernel to support NUMA (Non-Uniform Memory | |
439 | Access). This option is for configuring high-end multiprocessor | |
440 | server systems. If in doubt, say N. | |
441 | ||
c80d79d7 YG |
442 | config NODES_SHIFT |
443 | int "Max num nodes shift(3-10)" | |
444 | range 3 10 | |
c57d68ca | 445 | default "10" |
c80d79d7 YG |
446 | depends on NEED_MULTIPLE_NODES |
447 | help | |
448 | This option specifies the maximum number of nodes in your SSI system. | |
449 | MAX_NUMNODES will be 2^(This value). | |
450 | If in doubt, use the default. | |
451 | ||
da9577c5 BP |
452 | # VIRTUAL_MEM_MAP and FLAT_NODE_MEM_MAP are functionally equivalent. |
453 | # VIRTUAL_MEM_MAP has been retained for historical reasons. | |
454 | config VIRTUAL_MEM_MAP | |
455 | bool "Virtual mem map" | |
456 | depends on !SPARSEMEM | |
457 | default y if !IA64_HP_SIM | |
458 | help | |
459 | Say Y to compile the kernel with support for a virtual mem map. | |
460 | This code also only takes effect if a memory hole of greater than | |
461 | 1 Gb is found during boot. You must turn this option on if you | |
462 | require the DISCONTIGMEM option for your machine. If you are | |
463 | unsure, say Y. | |
464 | ||
465 | config HOLES_IN_ZONE | |
466 | bool | |
467 | default y if VIRTUAL_MEM_MAP | |
468 | ||
469 | config HAVE_ARCH_EARLY_PFN_TO_NID | |
334f85b6 | 470 | def_bool NUMA && SPARSEMEM |
da9577c5 | 471 | |
10ad400b YG |
472 | config HAVE_ARCH_NODEDATA_EXTENSION |
473 | def_bool y | |
474 | depends on NUMA | |
475 | ||
3bccd996 LS |
476 | config USE_PERCPU_NUMA_NODE_ID |
477 | def_bool y | |
478 | depends on NUMA | |
479 | ||
fd1197f1 | 480 | config HAVE_MEMORYLESS_NODES |
25106000 | 481 | def_bool NUMA |
fd1197f1 | 482 | |
9492587c KH |
483 | config ARCH_PROC_KCORE_TEXT |
484 | def_bool y | |
485 | depends on PROC_KCORE | |
486 | ||
1da177e4 LT |
487 | config IA64_MCA_RECOVERY |
488 | tristate "MCA recovery from errors other than TLB." | |
489 | ||
490 | config PERFMON | |
491 | bool "Performance monitor support" | |
492 | help | |
493 | Selects whether support for the IA-64 performance monitor hardware | |
494 | is included in the kernel. This makes some kernel data-structures a | |
495 | little bigger and slows down execution a bit, but it is generally | |
496 | a good idea to turn this on. If you're unsure, say Y. | |
497 | ||
498 | config IA64_PALINFO | |
499 | tristate "/proc/pal support" | |
500 | help | |
501 | If you say Y here, you are able to get PAL (Processor Abstraction | |
502 | Layer) information in /proc/pal. This contains useful information | |
503 | about the processors in your systems, such as cache and TLB sizes | |
504 | and the PAL firmware version in use. | |
505 | ||
506 | To use this option, you have to ensure that the "/proc file system | |
507 | support" (CONFIG_PROC_FS) is enabled, too. | |
508 | ||
e9ef08bd FY |
509 | config IA64_MC_ERR_INJECT |
510 | tristate "MC error injection support" | |
511 | help | |
01dd2fbf ML |
512 | Adds support for MC error injection. If enabled, the kernel |
513 | will provide a sysfs interface for user applications to | |
514 | call MC error injection PAL procedures to inject various errors. | |
e9ef08bd FY |
515 | This is a useful tool for MCA testing. |
516 | ||
517 | If you're unsure, do not select this option. | |
518 | ||
466575f4 JS |
519 | config SGI_SN |
520 | def_bool y if (IA64_SGI_SN2 || IA64_GENERIC) | |
521 | ||
2ab561a1 DMT |
522 | config IA64_ESI |
523 | bool "ESI (Extensible SAL Interface) support" | |
524 | help | |
525 | If you say Y here, support is built into the kernel to | |
526 | make ESI calls. ESI calls are used to support vendor-specific | |
527 | firmware extensions, such as the ability to inject memory-errors | |
528 | for test-purposes. If you're unsure, say N. | |
529 | ||
28eda5b8 BH |
530 | config IA64_HP_AML_NFW |
531 | bool "Support ACPI AML calls to native firmware" | |
532 | help | |
533 | This driver installs a global ACPI Operation Region handler for | |
534 | region 0xA1. AML methods can use this OpRegion to call arbitrary | |
535 | native firmware functions. The driver installs the OpRegion | |
536 | handler if there is an HPQ5001 device or if the user supplies | |
537 | the "force" module parameter, e.g., with the "aml_nfw.force" | |
538 | kernel command line option. | |
539 | ||
c1311af1 BC |
540 | source "drivers/sn/Kconfig" |
541 | ||
a7956113 | 542 | config KEXEC |
48a9240c KC |
543 | bool "kexec system call" |
544 | depends on !IA64_HP_SIM && (!SMP || HOTPLUG_CPU) | |
a7956113 ZN |
545 | help |
546 | kexec is a system call that implements the ability to shutdown your | |
547 | current kernel, and to start another kernel. It is like a reboot | |
3dde6ad8 | 548 | but it is independent of the system firmware. And like a reboot |
a7956113 ZN |
549 | you can start any kernel with it, not just Linux. |
550 | ||
01dd2fbf | 551 | The name comes from the similarity to the exec system call. |
a7956113 ZN |
552 | |
553 | It is an ongoing process to be certain the hardware in a machine | |
554 | is properly shutdown, so do not be surprised if this code does not | |
bf220695 GU |
555 | initially work for you. As of this writing the exact hardware |
556 | interface is strongly in flux, so no good recommendation can be | |
557 | made. | |
a7956113 ZN |
558 | |
559 | config CRASH_DUMP | |
fb86611f BW |
560 | bool "kernel crash dumps" |
561 | depends on IA64_MCA_RECOVERY && !IA64_HP_SIM && (!SMP || HOTPLUG_CPU) | |
a7956113 ZN |
562 | help |
563 | Generate crash dump after being started by kexec. | |
564 | ||
1da177e4 LT |
565 | source "drivers/firmware/Kconfig" |
566 | ||
567 | source "fs/Kconfig.binfmt" | |
568 | ||
569 | endmenu | |
570 | ||
1547a012 | 571 | menu "Power management and ACPI options" |
1da177e4 | 572 | |
eb7b6b32 | 573 | source "kernel/power/Kconfig" |
1da177e4 LT |
574 | |
575 | source "drivers/acpi/Kconfig" | |
576 | ||
4db8699b | 577 | if PM |
ab423e43 VK |
578 | menu "CPU Frequency scaling" |
579 | source "drivers/cpufreq/Kconfig" | |
580 | endmenu | |
4db8699b VP |
581 | endif |
582 | ||
1da177e4 LT |
583 | endmenu |
584 | ||
585 | if !IA64_HP_SIM | |
586 | ||
587 | menu "Bus options (PCI, PCMCIA)" | |
588 | ||
589 | config PCI | |
590 | bool "PCI support" | |
591 | help | |
85f265d8 CH |
592 | Real IA-64 machines all have PCI/PCI-X/PCI Express busses. Say Y |
593 | here unless you are using a simulator without PCI support. | |
1da177e4 LT |
594 | |
595 | config PCI_DOMAINS | |
36e23590 MW |
596 | def_bool PCI |
597 | ||
598 | config PCI_SYSCALL | |
599 | def_bool PCI | |
1da177e4 | 600 | |
b7bb575c KK |
601 | source "drivers/pci/pcie/Kconfig" |
602 | ||
1da177e4 LT |
603 | source "drivers/pci/Kconfig" |
604 | ||
605 | source "drivers/pci/hotplug/Kconfig" | |
606 | ||
607 | source "drivers/pcmcia/Kconfig" | |
608 | ||
609 | endmenu | |
610 | ||
611 | endif | |
612 | ||
d5950b43 SR |
613 | source "net/Kconfig" |
614 | ||
1da177e4 LT |
615 | source "drivers/Kconfig" |
616 | ||
1547a012 BH |
617 | source "arch/ia64/hp/sim/Kconfig" |
618 | ||
1a4b0fc5 JS |
619 | config MSPEC |
620 | tristate "Memory special operations driver" | |
621 | depends on IA64 | |
622 | select IA64_UNCACHED_ALLOCATOR | |
623 | help | |
624 | If you have an ia64 and you want to enable memory special | |
625 | operations support (formerly known as fetchop), say Y here, | |
626 | otherwise say N. | |
627 | ||
1da177e4 LT |
628 | source "fs/Kconfig" |
629 | ||
1547a012 BH |
630 | source "arch/ia64/Kconfig.debug" |
631 | ||
632 | source "security/Kconfig" | |
633 | ||
634 | source "crypto/Kconfig" | |
635 | ||
b693919c XZ |
636 | source "arch/ia64/kvm/Kconfig" |
637 | ||
1da177e4 LT |
638 | source "lib/Kconfig" |
639 | ||
b34eb53c | 640 | config IOMMU_HELPER |
a8522509 | 641 | def_bool (IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB || IA64_GENERIC || SWIOTLB) |