Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | source "init/Kconfig" |
2 | ||
dc52ddc0 MH |
3 | source "kernel/Kconfig.freezer" |
4 | ||
1da177e4 LT |
5 | menu "Processor type and features" |
6 | ||
7 | config IA64 | |
8 | bool | |
06f87adf LB |
9 | select PCI if (!IA64_HP_SIM) |
10 | select ACPI if (!IA64_HP_SIM) | |
8140a90e | 11 | select PM if (!IA64_HP_SIM) |
f282b970 | 12 | select ARCH_SUPPORTS_MSI |
0773a6cf | 13 | select HAVE_UNSTABLE_SCHED_CLOCK |
ec7748b5 | 14 | select HAVE_IDE |
42d4b839 | 15 | select HAVE_OPROFILE |
3f550096 | 16 | select HAVE_KPROBES |
9edddaa2 | 17 | select HAVE_KRETPROBES |
a14a07b8 SL |
18 | select HAVE_FTRACE_MCOUNT_RECORD |
19 | select HAVE_DYNAMIC_FTRACE if (!ITANIUM) | |
d3e75ff1 | 20 | select HAVE_FUNCTION_TRACER |
74bc7cee | 21 | select HAVE_DMA_ATTRS |
b693919c | 22 | select HAVE_KVM |
9690ad03 | 23 | select HAVE_ARCH_TRACEHOOK |
99162195 | 24 | select HAVE_DMA_API_DEBUG |
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 |
21b19710 AMG |
36 | select ARCH_CLOCKSOURCE_DATA |
37 | select GENERIC_TIME_VSYSCALL | |
1da177e4 LT |
38 | default y |
39 | help | |
40 | The Itanium Processor Family is Intel's 64-bit successor to | |
41 | the 32-bit X86 line. The IA-64 Linux project has a home | |
42 | page at <http://www.linuxia64.org/> and a mailing list at | |
43 | <linux-ia64@vger.kernel.org>. | |
44 | ||
45 | config 64BIT | |
46 | bool | |
9f271d57 | 47 | select ATA_NONSTANDARD if ATA |
1da177e4 LT |
48 | default y |
49 | ||
66701b14 | 50 | config ZONE_DMA |
09ae1f58 CL |
51 | def_bool y |
52 | depends on !IA64_SGI_SN2 | |
66701b14 | 53 | |
2bd62a40 CL |
54 | config QUICKLIST |
55 | bool | |
56 | default y | |
57 | ||
1da177e4 LT |
58 | config MMU |
59 | bool | |
60 | default y | |
61 | ||
e33621a2 FT |
62 | config ARCH_DMA_ADDR_T_64BIT |
63 | def_bool y | |
64 | ||
66ed5ef8 FT |
65 | config NEED_DMA_MAP_STATE |
66 | def_bool y | |
67 | ||
18e98307 FT |
68 | config NEED_SG_DMA_LENGTH |
69 | def_bool y | |
70 | ||
6c654b5f JL |
71 | config SWIOTLB |
72 | bool | |
6c654b5f | 73 | |
85718fae TL |
74 | config STACKTRACE_SUPPORT |
75 | def_bool y | |
76 | ||
95c354fe | 77 | config GENERIC_LOCKBREAK |
2c86963b | 78 | def_bool n |
95c354fe | 79 | |
1da177e4 LT |
80 | config RWSEM_XCHGADD_ALGORITHM |
81 | bool | |
82 | default y | |
83 | ||
d9c23400 MG |
84 | config HUGETLB_PAGE_SIZE_VARIABLE |
85 | bool | |
86 | depends on HUGETLB_PAGE | |
87 | default y | |
88 | ||
1da177e4 LT |
89 | config GENERIC_CALIBRATE_DELAY |
90 | bool | |
91 | default y | |
92 | ||
988c388a | 93 | config HAVE_SETUP_PER_CPU_AREA |
b32ef636 | 94 | def_bool y |
95 | ||
badc1446 | 96 | config GENERIC_GPIO |
95488698 | 97 | bool |
badc1446 | 98 | |
3ed3bce8 MD |
99 | config DMI |
100 | bool | |
101 | default y | |
102 | ||
1da177e4 LT |
103 | config EFI |
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 |
1da177e4 LT |
160 | help |
161 | This selects the system type of your hardware. A "generic" kernel | |
162 | will run on any supported IA-64 system. However, if you configure | |
163 | a kernel for your specific system, it will be faster and smaller. | |
164 | ||
165 | generic For any supported IA-64 system | |
166 | DIG-compliant For DIG ("Developer's Interface Guide") compliant systems | |
62fdd767 | 167 | DIG+Intel+IOMMU For DIG systems with Intel IOMMU |
1da177e4 LT |
168 | HP-zx1/sx1000 For HP systems |
169 | HP-zx1/sx1000+swiotlb For HP systems with (broken) DMA-constrained devices. | |
170 | SGI-SN2 For SGI Altix systems | |
22246614 | 171 | SGI-UV For SGI UV systems |
1da177e4 | 172 | Ski-simulator For the HP simulator <http://www.hpl.hp.com/research/linux/ski/> |
ba9cc328 | 173 | Xen-domU For xen domU system |
1da177e4 LT |
174 | |
175 | If you don't know what to do, choose "generic". | |
176 | ||
177 | config IA64_DIG | |
178 | bool "DIG-compliant" | |
d1598e05 | 179 | select SWIOTLB |
1da177e4 | 180 | |
62fdd767 FY |
181 | config IA64_DIG_VTD |
182 | bool "DIG+Intel+IOMMU" | |
183 | select DMAR | |
184 | select PCI_MSI | |
185 | ||
1da177e4 LT |
186 | config IA64_HP_ZX1 |
187 | bool "HP-zx1/sx1000" | |
188 | help | |
189 | Build a kernel that runs on HP zx1 and sx1000 systems. This adds | |
190 | support for the HP I/O MMU. | |
191 | ||
192 | config IA64_HP_ZX1_SWIOTLB | |
193 | bool "HP-zx1/sx1000 with software I/O TLB" | |
d1598e05 | 194 | select SWIOTLB |
1da177e4 LT |
195 | help |
196 | Build a kernel that runs on HP zx1 and sx1000 systems even when they | |
197 | have broken PCI devices which cannot DMA to full 32 bits. Apart | |
198 | from support for the HP I/O MMU, this includes support for the software | |
199 | I/O TLB, which allows supporting the broken devices at the expense of | |
200 | wasting some kernel memory (about 2MB by default). | |
201 | ||
202 | config IA64_SGI_SN2 | |
203 | bool "SGI-SN2" | |
bd3be240 JS |
204 | select NUMA |
205 | select ACPI_NUMA | |
1da177e4 LT |
206 | help |
207 | Selecting this option will optimize the kernel for use on sn2 based | |
208 | systems, but the resulting kernel binary will not run on other | |
209 | types of ia64 systems. If you have an SGI Altix system, it's safe | |
210 | to select this option. If in doubt, select ia64 generic support | |
211 | instead. | |
212 | ||
3351ab9b JS |
213 | config IA64_SGI_UV |
214 | bool "SGI-UV" | |
22246614 JS |
215 | select NUMA |
216 | select ACPI_NUMA | |
217 | select SWIOTLB | |
218 | help | |
219 | Selecting this option will optimize the kernel for use on UV based | |
220 | systems, but the resulting kernel binary will not run on other | |
221 | types of ia64 systems. If you have an SGI UV system, it's safe | |
222 | to select this option. If in doubt, select ia64 generic support | |
223 | instead. | |
224 | ||
1da177e4 LT |
225 | config IA64_HP_SIM |
226 | bool "Ski-simulator" | |
d1598e05 | 227 | select SWIOTLB |
1da177e4 | 228 | |
ba9cc328 IY |
229 | config IA64_XEN_GUEST |
230 | bool "Xen guest" | |
1d5b20f4 | 231 | select SWIOTLB |
ba9cc328 | 232 | depends on XEN |
1d5b20f4 IY |
233 | help |
234 | Build a kernel that runs on Xen guest domain. At this moment only | |
235 | 16KB page size in supported. | |
ba9cc328 | 236 | |
1da177e4 LT |
237 | endchoice |
238 | ||
239 | choice | |
240 | prompt "Processor type" | |
241 | default ITANIUM | |
242 | ||
243 | config ITANIUM | |
244 | bool "Itanium" | |
245 | help | |
246 | Select your IA-64 processor type. The default is Itanium. | |
247 | This choice is safe for all IA-64 systems, but may not perform | |
248 | optimally on systems with, say, Itanium 2 or newer processors. | |
249 | ||
250 | config MCKINLEY | |
251 | bool "Itanium 2" | |
252 | help | |
253 | Select this to configure for an Itanium 2 (McKinley) processor. | |
254 | ||
255 | endchoice | |
256 | ||
257 | choice | |
258 | prompt "Kernel page size" | |
259 | default IA64_PAGE_SIZE_16KB | |
260 | ||
261 | config IA64_PAGE_SIZE_4KB | |
262 | bool "4KB" | |
263 | help | |
264 | This lets you select the page size of the kernel. For best IA-64 | |
265 | performance, a page size of 8KB or 16KB is recommended. For best | |
266 | IA-32 compatibility, a page size of 4KB should be selected (the vast | |
267 | majority of IA-32 binaries work perfectly fine with a larger page | |
268 | size). For Itanium 2 or newer systems, a page size of 64KB can also | |
269 | be selected. | |
270 | ||
271 | 4KB For best IA-32 compatibility | |
272 | 8KB For best IA-64 performance | |
273 | 16KB For best IA-64 performance | |
274 | 64KB Requires Itanium 2 or newer processor. | |
275 | ||
276 | If you don't know what to do, choose 16KB. | |
277 | ||
278 | config IA64_PAGE_SIZE_8KB | |
279 | bool "8KB" | |
280 | ||
281 | config IA64_PAGE_SIZE_16KB | |
282 | bool "16KB" | |
283 | ||
284 | config IA64_PAGE_SIZE_64KB | |
285 | depends on !ITANIUM | |
286 | bool "64KB" | |
287 | ||
288 | endchoice | |
289 | ||
837cd0bd RH |
290 | choice |
291 | prompt "Page Table Levels" | |
292 | default PGTABLE_3 | |
293 | ||
294 | config PGTABLE_3 | |
295 | bool "3 Levels" | |
296 | ||
297 | config PGTABLE_4 | |
298 | depends on !IA64_PAGE_SIZE_64KB | |
299 | bool "4 Levels" | |
300 | ||
301 | endchoice | |
302 | ||
10d0aa3c TL |
303 | if IA64_HP_SIM |
304 | config HZ | |
305 | default 32 | |
306 | endif | |
307 | ||
308 | if !IA64_HP_SIM | |
b5d23e5b | 309 | source kernel/Kconfig.hz |
10d0aa3c | 310 | endif |
b5d23e5b | 311 | |
1da177e4 LT |
312 | config IA64_BRL_EMU |
313 | bool | |
314 | depends on ITANIUM | |
315 | default y | |
316 | ||
317 | # align cache-sensitive data to 128 bytes | |
318 | config IA64_L1_CACHE_SHIFT | |
319 | int | |
320 | default "7" if MCKINLEY | |
321 | default "6" if ITANIUM | |
322 | ||
1da177e4 LT |
323 | config IA64_CYCLONE |
324 | bool "Cyclone (EXA) Time Source support" | |
325 | help | |
326 | Say Y here to enable support for IBM EXA Cyclone time source. | |
327 | If you're unsure, answer N. | |
328 | ||
329 | config IOSAPIC | |
330 | bool | |
331 | depends on !IA64_HP_SIM | |
332 | default y | |
333 | ||
1da177e4 | 334 | config FORCE_MAX_ZONEORDER |
da9577c5 BP |
335 | int "MAX_ORDER (11 - 17)" if !HUGETLB_PAGE |
336 | range 11 17 if !HUGETLB_PAGE | |
337 | default "17" if HUGETLB_PAGE | |
338 | default "11" | |
1da177e4 | 339 | |
b64f34cd HS |
340 | config VIRT_CPU_ACCOUNTING |
341 | bool "Deterministic task and CPU time accounting" | |
342 | default n | |
343 | help | |
344 | Select this option to enable more accurate task and CPU time | |
345 | accounting. This is done by reading a CPU counter on each | |
346 | kernel entry and exit and on transitions within the kernel | |
347 | between system, softirq and hardirq state, so there is a | |
348 | small performance impact. | |
349 | If in doubt, say N here. | |
350 | ||
1da177e4 LT |
351 | config SMP |
352 | bool "Symmetric multi-processing support" | |
f27b433e | 353 | select USE_GENERIC_SMP_HELPERS |
1da177e4 LT |
354 | help |
355 | This enables support for systems with more than one CPU. If you have | |
356 | a system with only one CPU, say N. If you have a system with more | |
357 | than one CPU, say Y. | |
358 | ||
359 | If you say N here, the kernel will run on single and multiprocessor | |
360 | systems, but will use only one CPU of a multiprocessor system. If | |
361 | you say Y here, the kernel will run on many, but not all, | |
362 | single processor systems. On a single processor system, the kernel | |
363 | will run faster if you say N here. | |
364 | ||
03502faa AB |
365 | See also the SMP-HOWTO available at |
366 | <http://www.tldp.org/docs.html#howto>. | |
1da177e4 LT |
367 | |
368 | If you don't know what to do here, say N. | |
369 | ||
370 | config NR_CPUS | |
d1339df1 RH |
371 | int "Maximum number of CPUs (2-4096)" |
372 | range 2 4096 | |
1da177e4 | 373 | depends on SMP |
d1339df1 | 374 | default "4096" |
1da177e4 LT |
375 | help |
376 | You should set this to the number of CPUs in your system, but | |
377 | keep in mind that a kernel compiled for, e.g., 2 CPUs will boot but | |
378 | only use 2 CPUs on a >2 CPU system. Setting this to a value larger | |
379 | than 64 will cause the use of a CPU mask array, causing a small | |
380 | performance hit. | |
381 | ||
382 | config HOTPLUG_CPU | |
383 | bool "Support for hot-pluggable CPUs (EXPERIMENTAL)" | |
384 | depends on SMP && EXPERIMENTAL | |
385 | select HOTPLUG | |
386 | default n | |
387 | ---help--- | |
388 | Say Y here to experiment with turning CPUs off and on. CPUs | |
389 | can be controlled through /sys/devices/system/cpu/cpu#. | |
390 | Say N if you want to disable CPU hotplug. | |
391 | ||
cc57637b YG |
392 | config ARCH_ENABLE_MEMORY_HOTPLUG |
393 | def_bool y | |
394 | ||
0c0e6195 KH |
395 | config ARCH_ENABLE_MEMORY_HOTREMOVE |
396 | def_bool y | |
397 | ||
7a9bdd88 SS |
398 | config SCHED_SMT |
399 | bool "SMT scheduler support" | |
400 | depends on SMP | |
7a9bdd88 SS |
401 | help |
402 | Improves the CPU scheduler's decision making when dealing with | |
403 | Intel IA64 chips with MultiThreading at a cost of slightly increased | |
404 | overhead in some places. If unsure say N here. | |
405 | ||
ff741906 AR |
406 | config PERMIT_BSP_REMOVE |
407 | bool "Support removal of Bootstrap Processor" | |
408 | depends on HOTPLUG_CPU | |
409 | default n | |
410 | ---help--- | |
411 | Say Y here if your platform SAL will support removal of BSP with HOTPLUG_CPU | |
412 | support. | |
413 | ||
414 | config FORCE_CPEI_RETARGET | |
25985edc | 415 | bool "Force assumption that CPEI can be re-targeted" |
ff741906 AR |
416 | depends on PERMIT_BSP_REMOVE |
417 | default n | |
418 | ---help--- | |
25985edc | 419 | Say Y if you need to force the assumption that CPEI can be re-targeted to |
ff741906 AR |
420 | any cpu in the system. This hint is available via ACPI 3.0 specifications. |
421 | Tiger4 systems are capable of re-directing CPEI to any CPU other than BSP. | |
422 | This option it useful to enable this feature on older BIOS's as well. | |
423 | You can also enable this by using boot command line option force_cpei=1. | |
424 | ||
0b0517a4 | 425 | source "kernel/Kconfig.preempt" |
1da177e4 | 426 | |
3f22ab27 DH |
427 | source "mm/Kconfig" |
428 | ||
da9577c5 BP |
429 | config ARCH_SELECT_MEMORY_MODEL |
430 | def_bool y | |
431 | ||
432 | config ARCH_DISCONTIGMEM_ENABLE | |
433 | def_bool y | |
434 | help | |
435 | Say Y to support efficient handling of discontiguous physical memory, | |
436 | for architectures which are either NUMA (Non-Uniform Memory Access) | |
437 | or have huge holes in the physical address space for other reasons. | |
438 | See <file:Documentation/vm/numa> for more. | |
439 | ||
440 | config ARCH_FLATMEM_ENABLE | |
441 | def_bool y | |
442 | ||
443 | config ARCH_SPARSEMEM_ENABLE | |
444 | def_bool y | |
445 | depends on ARCH_DISCONTIGMEM_ENABLE | |
ef229c5a | 446 | select SPARSEMEM_VMEMMAP_ENABLE |
da9577c5 BP |
447 | |
448 | config ARCH_DISCONTIGMEM_DEFAULT | |
449 | def_bool y if (IA64_SGI_SN2 || IA64_GENERIC || IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB) | |
450 | depends on ARCH_DISCONTIGMEM_ENABLE | |
451 | ||
452 | config NUMA | |
453 | bool "NUMA support" | |
454 | depends on !IA64_HP_SIM && !FLATMEM | |
455 | default y if IA64_SGI_SN2 | |
6c33eb39 | 456 | select ACPI_NUMA if ACPI |
da9577c5 BP |
457 | help |
458 | Say Y to compile the kernel to support NUMA (Non-Uniform Memory | |
459 | Access). This option is for configuring high-end multiprocessor | |
460 | server systems. If in doubt, say N. | |
461 | ||
c80d79d7 YG |
462 | config NODES_SHIFT |
463 | int "Max num nodes shift(3-10)" | |
464 | range 3 10 | |
c57d68ca | 465 | default "10" |
c80d79d7 YG |
466 | depends on NEED_MULTIPLE_NODES |
467 | help | |
468 | This option specifies the maximum number of nodes in your SSI system. | |
469 | MAX_NUMNODES will be 2^(This value). | |
470 | If in doubt, use the default. | |
471 | ||
da9577c5 BP |
472 | # VIRTUAL_MEM_MAP and FLAT_NODE_MEM_MAP are functionally equivalent. |
473 | # VIRTUAL_MEM_MAP has been retained for historical reasons. | |
474 | config VIRTUAL_MEM_MAP | |
475 | bool "Virtual mem map" | |
476 | depends on !SPARSEMEM | |
477 | default y if !IA64_HP_SIM | |
478 | help | |
479 | Say Y to compile the kernel with support for a virtual mem map. | |
480 | This code also only takes effect if a memory hole of greater than | |
481 | 1 Gb is found during boot. You must turn this option on if you | |
482 | require the DISCONTIGMEM option for your machine. If you are | |
483 | unsure, say Y. | |
484 | ||
485 | config HOLES_IN_ZONE | |
486 | bool | |
487 | default y if VIRTUAL_MEM_MAP | |
488 | ||
489 | config HAVE_ARCH_EARLY_PFN_TO_NID | |
334f85b6 | 490 | def_bool NUMA && SPARSEMEM |
da9577c5 | 491 | |
10ad400b YG |
492 | config HAVE_ARCH_NODEDATA_EXTENSION |
493 | def_bool y | |
494 | depends on NUMA | |
495 | ||
3bccd996 LS |
496 | config USE_PERCPU_NUMA_NODE_ID |
497 | def_bool y | |
498 | depends on NUMA | |
499 | ||
fd1197f1 | 500 | config HAVE_MEMORYLESS_NODES |
25106000 | 501 | def_bool NUMA |
fd1197f1 | 502 | |
9492587c KH |
503 | config ARCH_PROC_KCORE_TEXT |
504 | def_bool y | |
505 | depends on PROC_KCORE | |
506 | ||
1da177e4 LT |
507 | config IA64_MCA_RECOVERY |
508 | tristate "MCA recovery from errors other than TLB." | |
509 | ||
510 | config PERFMON | |
511 | bool "Performance monitor support" | |
512 | help | |
513 | Selects whether support for the IA-64 performance monitor hardware | |
514 | is included in the kernel. This makes some kernel data-structures a | |
515 | little bigger and slows down execution a bit, but it is generally | |
516 | a good idea to turn this on. If you're unsure, say Y. | |
517 | ||
518 | config IA64_PALINFO | |
519 | tristate "/proc/pal support" | |
520 | help | |
521 | If you say Y here, you are able to get PAL (Processor Abstraction | |
522 | Layer) information in /proc/pal. This contains useful information | |
523 | about the processors in your systems, such as cache and TLB sizes | |
524 | and the PAL firmware version in use. | |
525 | ||
526 | To use this option, you have to ensure that the "/proc file system | |
527 | support" (CONFIG_PROC_FS) is enabled, too. | |
528 | ||
e9ef08bd FY |
529 | config IA64_MC_ERR_INJECT |
530 | tristate "MC error injection support" | |
531 | help | |
01dd2fbf ML |
532 | Adds support for MC error injection. If enabled, the kernel |
533 | will provide a sysfs interface for user applications to | |
534 | call MC error injection PAL procedures to inject various errors. | |
e9ef08bd FY |
535 | This is a useful tool for MCA testing. |
536 | ||
537 | If you're unsure, do not select this option. | |
538 | ||
466575f4 JS |
539 | config SGI_SN |
540 | def_bool y if (IA64_SGI_SN2 || IA64_GENERIC) | |
541 | ||
2ab561a1 DMT |
542 | config IA64_ESI |
543 | bool "ESI (Extensible SAL Interface) support" | |
544 | help | |
545 | If you say Y here, support is built into the kernel to | |
546 | make ESI calls. ESI calls are used to support vendor-specific | |
547 | firmware extensions, such as the ability to inject memory-errors | |
548 | for test-purposes. If you're unsure, say N. | |
549 | ||
28eda5b8 BH |
550 | config IA64_HP_AML_NFW |
551 | bool "Support ACPI AML calls to native firmware" | |
552 | help | |
553 | This driver installs a global ACPI Operation Region handler for | |
554 | region 0xA1. AML methods can use this OpRegion to call arbitrary | |
555 | native firmware functions. The driver installs the OpRegion | |
556 | handler if there is an HPQ5001 device or if the user supplies | |
557 | the "force" module parameter, e.g., with the "aml_nfw.force" | |
558 | kernel command line option. | |
559 | ||
c1311af1 BC |
560 | source "drivers/sn/Kconfig" |
561 | ||
a7956113 ZN |
562 | config KEXEC |
563 | bool "kexec system call (EXPERIMENTAL)" | |
564 | depends on EXPERIMENTAL && !IA64_HP_SIM && (!SMP || HOTPLUG_CPU) | |
565 | help | |
566 | kexec is a system call that implements the ability to shutdown your | |
567 | current kernel, and to start another kernel. It is like a reboot | |
3dde6ad8 | 568 | but it is independent of the system firmware. And like a reboot |
a7956113 ZN |
569 | you can start any kernel with it, not just Linux. |
570 | ||
01dd2fbf | 571 | The name comes from the similarity to the exec system call. |
a7956113 ZN |
572 | |
573 | It is an ongoing process to be certain the hardware in a machine | |
574 | is properly shutdown, so do not be surprised if this code does not | |
575 | initially work for you. It may help to enable device hotplugging | |
576 | support. As of this writing the exact hardware interface is | |
577 | strongly in flux, so no good recommendation can be made. | |
578 | ||
579 | config CRASH_DUMP | |
fb86611f BW |
580 | bool "kernel crash dumps" |
581 | depends on IA64_MCA_RECOVERY && !IA64_HP_SIM && (!SMP || HOTPLUG_CPU) | |
a7956113 ZN |
582 | help |
583 | Generate crash dump after being started by kexec. | |
584 | ||
1da177e4 LT |
585 | source "drivers/firmware/Kconfig" |
586 | ||
587 | source "fs/Kconfig.binfmt" | |
588 | ||
589 | endmenu | |
590 | ||
1547a012 | 591 | menu "Power management and ACPI options" |
1da177e4 | 592 | |
eb7b6b32 | 593 | source "kernel/power/Kconfig" |
1da177e4 LT |
594 | |
595 | source "drivers/acpi/Kconfig" | |
596 | ||
4db8699b VP |
597 | if PM |
598 | ||
599 | source "arch/ia64/kernel/cpufreq/Kconfig" | |
600 | ||
601 | endif | |
602 | ||
1da177e4 LT |
603 | endmenu |
604 | ||
605 | if !IA64_HP_SIM | |
606 | ||
607 | menu "Bus options (PCI, PCMCIA)" | |
608 | ||
609 | config PCI | |
610 | bool "PCI support" | |
611 | help | |
85f265d8 CH |
612 | Real IA-64 machines all have PCI/PCI-X/PCI Express busses. Say Y |
613 | here unless you are using a simulator without PCI support. | |
1da177e4 LT |
614 | |
615 | config PCI_DOMAINS | |
36e23590 MW |
616 | def_bool PCI |
617 | ||
618 | config PCI_SYSCALL | |
619 | def_bool PCI | |
1da177e4 | 620 | |
b7bb575c KK |
621 | source "drivers/pci/pcie/Kconfig" |
622 | ||
1da177e4 LT |
623 | source "drivers/pci/Kconfig" |
624 | ||
625 | source "drivers/pci/hotplug/Kconfig" | |
626 | ||
627 | source "drivers/pcmcia/Kconfig" | |
628 | ||
629 | endmenu | |
630 | ||
631 | endif | |
632 | ||
d5950b43 SR |
633 | source "net/Kconfig" |
634 | ||
1da177e4 LT |
635 | source "drivers/Kconfig" |
636 | ||
1547a012 BH |
637 | source "arch/ia64/hp/sim/Kconfig" |
638 | ||
1a4b0fc5 JS |
639 | config MSPEC |
640 | tristate "Memory special operations driver" | |
641 | depends on IA64 | |
642 | select IA64_UNCACHED_ALLOCATOR | |
643 | help | |
644 | If you have an ia64 and you want to enable memory special | |
645 | operations support (formerly known as fetchop), say Y here, | |
646 | otherwise say N. | |
647 | ||
1da177e4 LT |
648 | source "fs/Kconfig" |
649 | ||
1547a012 BH |
650 | source "arch/ia64/Kconfig.debug" |
651 | ||
652 | source "security/Kconfig" | |
653 | ||
654 | source "crypto/Kconfig" | |
655 | ||
b693919c XZ |
656 | source "arch/ia64/kvm/Kconfig" |
657 | ||
1da177e4 LT |
658 | source "lib/Kconfig" |
659 | ||
b34eb53c | 660 | config IOMMU_HELPER |
a8522509 | 661 | def_bool (IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB || IA64_GENERIC || SWIOTLB) |