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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 | 25 | select HAVE_GENERIC_HARDIRQS |
98e4ae8a TH |
26 | select HAVE_MEMBLOCK |
27 | select HAVE_MEMBLOCK_NODE_MAP | |
28 | select ARCH_DISCARD_MEMBLOCK | |
c5e66129 TG |
29 | select GENERIC_IRQ_PROBE |
30 | select GENERIC_PENDING_IRQ if SMP | |
31 | select IRQ_PER_CPU | |
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 |
1da177e4 LT |
36 | default y |
37 | help | |
38 | The Itanium Processor Family is Intel's 64-bit successor to | |
39 | the 32-bit X86 line. The IA-64 Linux project has a home | |
40 | page at <http://www.linuxia64.org/> and a mailing list at | |
41 | <linux-ia64@vger.kernel.org>. | |
42 | ||
43 | config 64BIT | |
44 | bool | |
9f271d57 | 45 | select ATA_NONSTANDARD if ATA |
1da177e4 LT |
46 | default y |
47 | ||
66701b14 | 48 | config ZONE_DMA |
09ae1f58 CL |
49 | def_bool y |
50 | depends on !IA64_SGI_SN2 | |
66701b14 | 51 | |
2bd62a40 CL |
52 | config QUICKLIST |
53 | bool | |
54 | default y | |
55 | ||
1da177e4 LT |
56 | config MMU |
57 | bool | |
58 | default y | |
59 | ||
e33621a2 FT |
60 | config ARCH_DMA_ADDR_T_64BIT |
61 | def_bool y | |
62 | ||
66ed5ef8 FT |
63 | config NEED_DMA_MAP_STATE |
64 | def_bool y | |
65 | ||
18e98307 FT |
66 | config NEED_SG_DMA_LENGTH |
67 | def_bool y | |
68 | ||
6c654b5f JL |
69 | config SWIOTLB |
70 | bool | |
6c654b5f | 71 | |
85718fae TL |
72 | config STACKTRACE_SUPPORT |
73 | def_bool y | |
74 | ||
95c354fe | 75 | config GENERIC_LOCKBREAK |
2c86963b | 76 | def_bool n |
95c354fe | 77 | |
1da177e4 LT |
78 | config RWSEM_XCHGADD_ALGORITHM |
79 | bool | |
80 | default y | |
81 | ||
d9c23400 MG |
82 | config HUGETLB_PAGE_SIZE_VARIABLE |
83 | bool | |
84 | depends on HUGETLB_PAGE | |
85 | default y | |
86 | ||
1da177e4 LT |
87 | config GENERIC_CALIBRATE_DELAY |
88 | bool | |
89 | default y | |
90 | ||
0aa366f3 | 91 | config GENERIC_TIME_VSYSCALL |
1da177e4 LT |
92 | bool |
93 | default y | |
94 | ||
988c388a | 95 | config HAVE_SETUP_PER_CPU_AREA |
b32ef636 | 96 | def_bool y |
97 | ||
badc1446 | 98 | config GENERIC_GPIO |
95488698 | 99 | bool |
badc1446 | 100 | |
3ed3bce8 MD |
101 | config DMI |
102 | bool | |
103 | default y | |
104 | ||
1da177e4 LT |
105 | config EFI |
106 | bool | |
107 | default y | |
108 | ||
ae7bd11b PA |
109 | config ARCH_CLOCKSOURCE_DATA |
110 | def_bool y | |
111 | ||
ae1e9130 | 112 | config SCHED_OMIT_FRAME_POINTER |
7d12e522 AB |
113 | bool |
114 | default y | |
115 | ||
f14f75b8 JS |
116 | config IA64_UNCACHED_ALLOCATOR |
117 | bool | |
118 | select GENERIC_ALLOCATOR | |
119 | ||
46cf98cd VP |
120 | config ARCH_USES_PG_UNCACHED |
121 | def_bool y | |
122 | depends on IA64_UNCACHED_ALLOCATOR | |
123 | ||
e65e1fc2 AV |
124 | config AUDIT_ARCH |
125 | bool | |
126 | default y | |
127 | ||
ba9cc328 IY |
128 | menuconfig PARAVIRT_GUEST |
129 | bool "Paravirtualized guest support" | |
130 | help | |
131 | Say Y here to get to see options related to running Linux under | |
132 | various hypervisors. This option alone does not add any kernel code. | |
133 | ||
134 | If you say N, all options in this submenu will be skipped and disabled. | |
135 | ||
136 | if PARAVIRT_GUEST | |
137 | ||
138 | config PARAVIRT | |
139 | bool "Enable paravirtualization code" | |
140 | depends on PARAVIRT_GUEST | |
141 | default y | |
142 | bool | |
143 | default y | |
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 | ||
150 | ||
151 | source "arch/ia64/xen/Kconfig" | |
152 | ||
153 | endif | |
154 | ||
1da177e4 LT |
155 | choice |
156 | prompt "System type" | |
157 | default IA64_GENERIC | |
158 | ||
159 | config IA64_GENERIC | |
160 | bool "generic" | |
161 | select NUMA | |
162 | select ACPI_NUMA | |
d1598e05 | 163 | select SWIOTLB |
62fdd767 | 164 | select PCI_MSI |
1da177e4 LT |
165 | help |
166 | This selects the system type of your hardware. A "generic" kernel | |
167 | will run on any supported IA-64 system. However, if you configure | |
168 | a kernel for your specific system, it will be faster and smaller. | |
169 | ||
170 | generic For any supported IA-64 system | |
171 | DIG-compliant For DIG ("Developer's Interface Guide") compliant systems | |
62fdd767 | 172 | DIG+Intel+IOMMU For DIG systems with Intel IOMMU |
1da177e4 LT |
173 | HP-zx1/sx1000 For HP systems |
174 | HP-zx1/sx1000+swiotlb For HP systems with (broken) DMA-constrained devices. | |
175 | SGI-SN2 For SGI Altix systems | |
22246614 | 176 | SGI-UV For SGI UV systems |
1da177e4 | 177 | Ski-simulator For the HP simulator <http://www.hpl.hp.com/research/linux/ski/> |
ba9cc328 | 178 | Xen-domU For xen domU system |
1da177e4 LT |
179 | |
180 | If you don't know what to do, choose "generic". | |
181 | ||
182 | config IA64_DIG | |
183 | bool "DIG-compliant" | |
d1598e05 | 184 | select SWIOTLB |
1da177e4 | 185 | |
62fdd767 FY |
186 | config IA64_DIG_VTD |
187 | bool "DIG+Intel+IOMMU" | |
188 | select DMAR | |
189 | select PCI_MSI | |
190 | ||
1da177e4 LT |
191 | config IA64_HP_ZX1 |
192 | bool "HP-zx1/sx1000" | |
193 | help | |
194 | Build a kernel that runs on HP zx1 and sx1000 systems. This adds | |
195 | support for the HP I/O MMU. | |
196 | ||
197 | config IA64_HP_ZX1_SWIOTLB | |
198 | bool "HP-zx1/sx1000 with software I/O TLB" | |
d1598e05 | 199 | select SWIOTLB |
1da177e4 LT |
200 | help |
201 | Build a kernel that runs on HP zx1 and sx1000 systems even when they | |
202 | have broken PCI devices which cannot DMA to full 32 bits. Apart | |
203 | from support for the HP I/O MMU, this includes support for the software | |
204 | I/O TLB, which allows supporting the broken devices at the expense of | |
205 | wasting some kernel memory (about 2MB by default). | |
206 | ||
207 | config IA64_SGI_SN2 | |
208 | bool "SGI-SN2" | |
bd3be240 JS |
209 | select NUMA |
210 | select ACPI_NUMA | |
1da177e4 LT |
211 | help |
212 | Selecting this option will optimize the kernel for use on sn2 based | |
213 | systems, but the resulting kernel binary will not run on other | |
214 | types of ia64 systems. If you have an SGI Altix system, it's safe | |
215 | to select this option. If in doubt, select ia64 generic support | |
216 | instead. | |
217 | ||
3351ab9b JS |
218 | config IA64_SGI_UV |
219 | bool "SGI-UV" | |
22246614 JS |
220 | select NUMA |
221 | select ACPI_NUMA | |
222 | select SWIOTLB | |
223 | help | |
224 | Selecting this option will optimize the kernel for use on UV based | |
225 | systems, but the resulting kernel binary will not run on other | |
226 | types of ia64 systems. If you have an SGI UV system, it's safe | |
227 | to select this option. If in doubt, select ia64 generic support | |
228 | instead. | |
229 | ||
1da177e4 LT |
230 | config IA64_HP_SIM |
231 | bool "Ski-simulator" | |
d1598e05 | 232 | select SWIOTLB |
1da177e4 | 233 | |
ba9cc328 IY |
234 | config IA64_XEN_GUEST |
235 | bool "Xen guest" | |
1d5b20f4 | 236 | select SWIOTLB |
ba9cc328 | 237 | depends on XEN |
1d5b20f4 IY |
238 | help |
239 | Build a kernel that runs on Xen guest domain. At this moment only | |
240 | 16KB page size in supported. | |
ba9cc328 | 241 | |
1da177e4 LT |
242 | endchoice |
243 | ||
244 | choice | |
245 | prompt "Processor type" | |
246 | default ITANIUM | |
247 | ||
248 | config ITANIUM | |
249 | bool "Itanium" | |
250 | help | |
251 | Select your IA-64 processor type. The default is Itanium. | |
252 | This choice is safe for all IA-64 systems, but may not perform | |
253 | optimally on systems with, say, Itanium 2 or newer processors. | |
254 | ||
255 | config MCKINLEY | |
256 | bool "Itanium 2" | |
257 | help | |
258 | Select this to configure for an Itanium 2 (McKinley) processor. | |
259 | ||
260 | endchoice | |
261 | ||
262 | choice | |
263 | prompt "Kernel page size" | |
264 | default IA64_PAGE_SIZE_16KB | |
265 | ||
266 | config IA64_PAGE_SIZE_4KB | |
267 | bool "4KB" | |
268 | help | |
269 | This lets you select the page size of the kernel. For best IA-64 | |
270 | performance, a page size of 8KB or 16KB is recommended. For best | |
271 | IA-32 compatibility, a page size of 4KB should be selected (the vast | |
272 | majority of IA-32 binaries work perfectly fine with a larger page | |
273 | size). For Itanium 2 or newer systems, a page size of 64KB can also | |
274 | be selected. | |
275 | ||
276 | 4KB For best IA-32 compatibility | |
277 | 8KB For best IA-64 performance | |
278 | 16KB For best IA-64 performance | |
279 | 64KB Requires Itanium 2 or newer processor. | |
280 | ||
281 | If you don't know what to do, choose 16KB. | |
282 | ||
283 | config IA64_PAGE_SIZE_8KB | |
284 | bool "8KB" | |
285 | ||
286 | config IA64_PAGE_SIZE_16KB | |
287 | bool "16KB" | |
288 | ||
289 | config IA64_PAGE_SIZE_64KB | |
290 | depends on !ITANIUM | |
291 | bool "64KB" | |
292 | ||
293 | endchoice | |
294 | ||
837cd0bd RH |
295 | choice |
296 | prompt "Page Table Levels" | |
297 | default PGTABLE_3 | |
298 | ||
299 | config PGTABLE_3 | |
300 | bool "3 Levels" | |
301 | ||
302 | config PGTABLE_4 | |
303 | depends on !IA64_PAGE_SIZE_64KB | |
304 | bool "4 Levels" | |
305 | ||
306 | endchoice | |
307 | ||
10d0aa3c TL |
308 | if IA64_HP_SIM |
309 | config HZ | |
310 | default 32 | |
311 | endif | |
312 | ||
313 | if !IA64_HP_SIM | |
b5d23e5b | 314 | source kernel/Kconfig.hz |
10d0aa3c | 315 | endif |
b5d23e5b | 316 | |
1da177e4 LT |
317 | config IA64_BRL_EMU |
318 | bool | |
319 | depends on ITANIUM | |
320 | default y | |
321 | ||
322 | # align cache-sensitive data to 128 bytes | |
323 | config IA64_L1_CACHE_SHIFT | |
324 | int | |
325 | default "7" if MCKINLEY | |
326 | default "6" if ITANIUM | |
327 | ||
1da177e4 LT |
328 | config IA64_CYCLONE |
329 | bool "Cyclone (EXA) Time Source support" | |
330 | help | |
331 | Say Y here to enable support for IBM EXA Cyclone time source. | |
332 | If you're unsure, answer N. | |
333 | ||
334 | config IOSAPIC | |
335 | bool | |
336 | depends on !IA64_HP_SIM | |
337 | default y | |
338 | ||
1da177e4 | 339 | config FORCE_MAX_ZONEORDER |
da9577c5 BP |
340 | int "MAX_ORDER (11 - 17)" if !HUGETLB_PAGE |
341 | range 11 17 if !HUGETLB_PAGE | |
342 | default "17" if HUGETLB_PAGE | |
343 | default "11" | |
1da177e4 | 344 | |
b64f34cd HS |
345 | config VIRT_CPU_ACCOUNTING |
346 | bool "Deterministic task and CPU time accounting" | |
347 | default n | |
348 | help | |
349 | Select this option to enable more accurate task and CPU time | |
350 | accounting. This is done by reading a CPU counter on each | |
351 | kernel entry and exit and on transitions within the kernel | |
352 | between system, softirq and hardirq state, so there is a | |
353 | small performance impact. | |
354 | If in doubt, say N here. | |
355 | ||
1da177e4 LT |
356 | config SMP |
357 | bool "Symmetric multi-processing support" | |
f27b433e | 358 | select USE_GENERIC_SMP_HELPERS |
1da177e4 LT |
359 | help |
360 | This enables support for systems with more than one CPU. If you have | |
361 | a system with only one CPU, say N. If you have a system with more | |
362 | than one CPU, say Y. | |
363 | ||
364 | If you say N here, the kernel will run on single and multiprocessor | |
365 | systems, but will use only one CPU of a multiprocessor system. If | |
366 | you say Y here, the kernel will run on many, but not all, | |
367 | single processor systems. On a single processor system, the kernel | |
368 | will run faster if you say N here. | |
369 | ||
03502faa AB |
370 | See also the SMP-HOWTO available at |
371 | <http://www.tldp.org/docs.html#howto>. | |
1da177e4 LT |
372 | |
373 | If you don't know what to do here, say N. | |
374 | ||
375 | config NR_CPUS | |
d1339df1 RH |
376 | int "Maximum number of CPUs (2-4096)" |
377 | range 2 4096 | |
1da177e4 | 378 | depends on SMP |
d1339df1 | 379 | default "4096" |
1da177e4 LT |
380 | help |
381 | You should set this to the number of CPUs in your system, but | |
382 | keep in mind that a kernel compiled for, e.g., 2 CPUs will boot but | |
383 | only use 2 CPUs on a >2 CPU system. Setting this to a value larger | |
384 | than 64 will cause the use of a CPU mask array, causing a small | |
385 | performance hit. | |
386 | ||
387 | config HOTPLUG_CPU | |
388 | bool "Support for hot-pluggable CPUs (EXPERIMENTAL)" | |
389 | depends on SMP && EXPERIMENTAL | |
390 | select HOTPLUG | |
391 | default n | |
392 | ---help--- | |
393 | Say Y here to experiment with turning CPUs off and on. CPUs | |
394 | can be controlled through /sys/devices/system/cpu/cpu#. | |
395 | Say N if you want to disable CPU hotplug. | |
396 | ||
cc57637b YG |
397 | config ARCH_ENABLE_MEMORY_HOTPLUG |
398 | def_bool y | |
399 | ||
0c0e6195 KH |
400 | config ARCH_ENABLE_MEMORY_HOTREMOVE |
401 | def_bool y | |
402 | ||
7a9bdd88 SS |
403 | config SCHED_SMT |
404 | bool "SMT scheduler support" | |
405 | depends on SMP | |
7a9bdd88 SS |
406 | help |
407 | Improves the CPU scheduler's decision making when dealing with | |
408 | Intel IA64 chips with MultiThreading at a cost of slightly increased | |
409 | overhead in some places. If unsure say N here. | |
410 | ||
ff741906 AR |
411 | config PERMIT_BSP_REMOVE |
412 | bool "Support removal of Bootstrap Processor" | |
413 | depends on HOTPLUG_CPU | |
414 | default n | |
415 | ---help--- | |
416 | Say Y here if your platform SAL will support removal of BSP with HOTPLUG_CPU | |
417 | support. | |
418 | ||
419 | config FORCE_CPEI_RETARGET | |
25985edc | 420 | bool "Force assumption that CPEI can be re-targeted" |
ff741906 AR |
421 | depends on PERMIT_BSP_REMOVE |
422 | default n | |
423 | ---help--- | |
25985edc | 424 | Say Y if you need to force the assumption that CPEI can be re-targeted to |
ff741906 AR |
425 | any cpu in the system. This hint is available via ACPI 3.0 specifications. |
426 | Tiger4 systems are capable of re-directing CPEI to any CPU other than BSP. | |
427 | This option it useful to enable this feature on older BIOS's as well. | |
428 | You can also enable this by using boot command line option force_cpei=1. | |
429 | ||
0b0517a4 | 430 | source "kernel/Kconfig.preempt" |
1da177e4 | 431 | |
3f22ab27 DH |
432 | source "mm/Kconfig" |
433 | ||
da9577c5 BP |
434 | config ARCH_SELECT_MEMORY_MODEL |
435 | def_bool y | |
436 | ||
437 | config ARCH_DISCONTIGMEM_ENABLE | |
438 | def_bool y | |
439 | help | |
440 | Say Y to support efficient handling of discontiguous physical memory, | |
441 | for architectures which are either NUMA (Non-Uniform Memory Access) | |
442 | or have huge holes in the physical address space for other reasons. | |
443 | See <file:Documentation/vm/numa> for more. | |
444 | ||
445 | config ARCH_FLATMEM_ENABLE | |
446 | def_bool y | |
447 | ||
448 | config ARCH_SPARSEMEM_ENABLE | |
449 | def_bool y | |
450 | depends on ARCH_DISCONTIGMEM_ENABLE | |
ef229c5a | 451 | select SPARSEMEM_VMEMMAP_ENABLE |
da9577c5 BP |
452 | |
453 | config ARCH_DISCONTIGMEM_DEFAULT | |
454 | def_bool y if (IA64_SGI_SN2 || IA64_GENERIC || IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB) | |
455 | depends on ARCH_DISCONTIGMEM_ENABLE | |
456 | ||
457 | config NUMA | |
458 | bool "NUMA support" | |
459 | depends on !IA64_HP_SIM && !FLATMEM | |
460 | default y if IA64_SGI_SN2 | |
6c33eb39 | 461 | select ACPI_NUMA if ACPI |
da9577c5 BP |
462 | help |
463 | Say Y to compile the kernel to support NUMA (Non-Uniform Memory | |
464 | Access). This option is for configuring high-end multiprocessor | |
465 | server systems. If in doubt, say N. | |
466 | ||
c80d79d7 YG |
467 | config NODES_SHIFT |
468 | int "Max num nodes shift(3-10)" | |
469 | range 3 10 | |
c57d68ca | 470 | default "10" |
c80d79d7 YG |
471 | depends on NEED_MULTIPLE_NODES |
472 | help | |
473 | This option specifies the maximum number of nodes in your SSI system. | |
474 | MAX_NUMNODES will be 2^(This value). | |
475 | If in doubt, use the default. | |
476 | ||
da9577c5 BP |
477 | # VIRTUAL_MEM_MAP and FLAT_NODE_MEM_MAP are functionally equivalent. |
478 | # VIRTUAL_MEM_MAP has been retained for historical reasons. | |
479 | config VIRTUAL_MEM_MAP | |
480 | bool "Virtual mem map" | |
481 | depends on !SPARSEMEM | |
482 | default y if !IA64_HP_SIM | |
483 | help | |
484 | Say Y to compile the kernel with support for a virtual mem map. | |
485 | This code also only takes effect if a memory hole of greater than | |
486 | 1 Gb is found during boot. You must turn this option on if you | |
487 | require the DISCONTIGMEM option for your machine. If you are | |
488 | unsure, say Y. | |
489 | ||
490 | config HOLES_IN_ZONE | |
491 | bool | |
492 | default y if VIRTUAL_MEM_MAP | |
493 | ||
494 | config HAVE_ARCH_EARLY_PFN_TO_NID | |
334f85b6 | 495 | def_bool NUMA && SPARSEMEM |
da9577c5 | 496 | |
10ad400b YG |
497 | config HAVE_ARCH_NODEDATA_EXTENSION |
498 | def_bool y | |
499 | depends on NUMA | |
500 | ||
3bccd996 LS |
501 | config USE_PERCPU_NUMA_NODE_ID |
502 | def_bool y | |
503 | depends on NUMA | |
504 | ||
fd1197f1 | 505 | config HAVE_MEMORYLESS_NODES |
25106000 | 506 | def_bool NUMA |
fd1197f1 | 507 | |
9492587c KH |
508 | config ARCH_PROC_KCORE_TEXT |
509 | def_bool y | |
510 | depends on PROC_KCORE | |
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 | ||
634 | endmenu | |
635 | ||
636 | endif | |
637 | ||
d5950b43 SR |
638 | source "net/Kconfig" |
639 | ||
1da177e4 LT |
640 | source "drivers/Kconfig" |
641 | ||
1547a012 BH |
642 | source "arch/ia64/hp/sim/Kconfig" |
643 | ||
1a4b0fc5 JS |
644 | config MSPEC |
645 | tristate "Memory special operations driver" | |
646 | depends on IA64 | |
647 | select IA64_UNCACHED_ALLOCATOR | |
648 | help | |
649 | If you have an ia64 and you want to enable memory special | |
650 | operations support (formerly known as fetchop), say Y here, | |
651 | otherwise say N. | |
652 | ||
1da177e4 LT |
653 | source "fs/Kconfig" |
654 | ||
1547a012 BH |
655 | source "arch/ia64/Kconfig.debug" |
656 | ||
657 | source "security/Kconfig" | |
658 | ||
659 | source "crypto/Kconfig" | |
660 | ||
b693919c XZ |
661 | source "arch/ia64/kvm/Kconfig" |
662 | ||
1da177e4 LT |
663 | source "lib/Kconfig" |
664 | ||
b34eb53c | 665 | config IOMMU_HELPER |
a8522509 | 666 | def_bool (IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB || IA64_GENERIC || SWIOTLB) |