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b2441318 | 1 | # SPDX-License-Identifier: GPL-2.0 |
4d66bcc7 KS |
2 | config PGTABLE_LEVELS |
3 | int "Page Table Levels" if !IA64_PAGE_SIZE_64KB | |
4 | range 3 4 if !IA64_PAGE_SIZE_64KB | |
5 | default 3 | |
6 | ||
1da177e4 LT |
7 | source "init/Kconfig" |
8 | ||
dc52ddc0 MH |
9 | source "kernel/Kconfig.freezer" |
10 | ||
1da177e4 LT |
11 | menu "Processor type and features" |
12 | ||
13 | config IA64 | |
14 | bool | |
468bcf08 | 15 | select ARCH_MIGHT_HAVE_PC_PARPORT |
bbc4e596 | 16 | select ARCH_MIGHT_HAVE_PC_SERIO |
06f87adf LB |
17 | select PCI if (!IA64_HP_SIM) |
18 | select ACPI if (!IA64_HP_SIM) | |
0d3b8171 | 19 | select ARCH_SUPPORTS_ACPI if (!IA64_HP_SIM) |
6e0a0ea1 | 20 | select ACPI_SYSTEM_POWER_STATES_SUPPORT if ACPI |
46ba51ea | 21 | select ARCH_MIGHT_HAVE_ACPI_PDC if ACPI |
0773a6cf | 22 | select HAVE_UNSTABLE_SCHED_CLOCK |
5f56a5df | 23 | select HAVE_EXIT_THREAD |
ec7748b5 | 24 | select HAVE_IDE |
42d4b839 | 25 | select HAVE_OPROFILE |
3f550096 | 26 | select HAVE_KPROBES |
9edddaa2 | 27 | select HAVE_KRETPROBES |
a14a07b8 SL |
28 | select HAVE_FTRACE_MCOUNT_RECORD |
29 | select HAVE_DYNAMIC_FTRACE if (!ITANIUM) | |
d3e75ff1 | 30 | select HAVE_FUNCTION_TRACER |
6035d9db | 31 | select TTY |
9690ad03 | 32 | select HAVE_ARCH_TRACEHOOK |
99162195 | 33 | select HAVE_DMA_API_DEBUG |
98e4ae8a TH |
34 | select HAVE_MEMBLOCK |
35 | select HAVE_MEMBLOCK_NODE_MAP | |
b952741c | 36 | select HAVE_VIRT_CPU_ACCOUNTING |
308c09f1 | 37 | select ARCH_HAS_SG_CHAIN |
4febd95a | 38 | select VIRT_TO_BUS |
98e4ae8a | 39 | select ARCH_DISCARD_MEMBLOCK |
c5e66129 TG |
40 | select GENERIC_IRQ_PROBE |
41 | select GENERIC_PENDING_IRQ if SMP | |
e3d78122 | 42 | select GENERIC_IRQ_SHOW |
4debd723 | 43 | select GENERIC_IRQ_LEGACY |
df013ffb | 44 | select ARCH_HAVE_NMI_SAFE_CMPXCHG |
4673ca8e | 45 | select GENERIC_IOMAP |
13583bf1 | 46 | select GENERIC_SMP_IDLE_THREAD |
a6359d1e | 47 | select ARCH_INIT_TASK |
f5e10287 | 48 | select ARCH_TASK_STRUCT_ALLOCATOR |
b235beea | 49 | select ARCH_THREAD_STACK_ALLOCATOR |
21b19710 | 50 | select ARCH_CLOCKSOURCE_DATA |
d4d1fc61 | 51 | select GENERIC_TIME_VSYSCALL |
b6fca725 | 52 | select SYSCTL_ARCH_UNALIGN_NO_WARN |
786d35d4 DH |
53 | select HAVE_MOD_ARCH_SPECIFIC |
54 | select MODULES_USE_ELF_RELA | |
71c7356f | 55 | select ARCH_USE_CMPXCHG_LOCKREF |
7a017721 | 56 | select HAVE_ARCH_AUDITSYSCALL |
1da177e4 LT |
57 | default y |
58 | help | |
59 | The Itanium Processor Family is Intel's 64-bit successor to | |
60 | the 32-bit X86 line. The IA-64 Linux project has a home | |
61 | page at <http://www.linuxia64.org/> and a mailing list at | |
62 | <linux-ia64@vger.kernel.org>. | |
63 | ||
64 | config 64BIT | |
65 | bool | |
9f271d57 | 66 | select ATA_NONSTANDARD if ATA |
1da177e4 LT |
67 | default y |
68 | ||
66701b14 | 69 | config ZONE_DMA |
09ae1f58 CL |
70 | def_bool y |
71 | depends on !IA64_SGI_SN2 | |
66701b14 | 72 | |
2bd62a40 CL |
73 | config QUICKLIST |
74 | bool | |
75 | default y | |
76 | ||
1da177e4 LT |
77 | config MMU |
78 | bool | |
79 | default y | |
80 | ||
e33621a2 FT |
81 | config ARCH_DMA_ADDR_T_64BIT |
82 | def_bool y | |
83 | ||
66ed5ef8 FT |
84 | config NEED_DMA_MAP_STATE |
85 | def_bool y | |
86 | ||
18e98307 FT |
87 | config NEED_SG_DMA_LENGTH |
88 | def_bool y | |
89 | ||
6c654b5f JL |
90 | config SWIOTLB |
91 | bool | |
6c654b5f | 92 | |
85718fae TL |
93 | config STACKTRACE_SUPPORT |
94 | def_bool y | |
95 | ||
95c354fe | 96 | config GENERIC_LOCKBREAK |
2c86963b | 97 | def_bool n |
95c354fe | 98 | |
1da177e4 LT |
99 | config RWSEM_XCHGADD_ALGORITHM |
100 | bool | |
101 | default y | |
102 | ||
d9c23400 MG |
103 | config HUGETLB_PAGE_SIZE_VARIABLE |
104 | bool | |
105 | depends on HUGETLB_PAGE | |
106 | default y | |
107 | ||
1da177e4 LT |
108 | config GENERIC_CALIBRATE_DELAY |
109 | bool | |
110 | default y | |
111 | ||
988c388a | 112 | config HAVE_SETUP_PER_CPU_AREA |
b32ef636 | 113 | def_bool y |
114 | ||
3ed3bce8 MD |
115 | config DMI |
116 | bool | |
117 | default y | |
cf074402 | 118 | select DMI_SCAN_MACHINE_NON_EFI_FALLBACK |
3ed3bce8 | 119 | |
1da177e4 LT |
120 | config EFI |
121 | bool | |
a614e192 | 122 | select UCS2_STRING |
1da177e4 LT |
123 | default y |
124 | ||
ae1e9130 | 125 | config SCHED_OMIT_FRAME_POINTER |
7d12e522 AB |
126 | bool |
127 | default y | |
128 | ||
f14f75b8 JS |
129 | config IA64_UNCACHED_ALLOCATOR |
130 | bool | |
131 | select GENERIC_ALLOCATOR | |
132 | ||
46cf98cd VP |
133 | config ARCH_USES_PG_UNCACHED |
134 | def_bool y | |
135 | depends on IA64_UNCACHED_ALLOCATOR | |
136 | ||
e65e1fc2 AV |
137 | config AUDIT_ARCH |
138 | bool | |
139 | default y | |
140 | ||
1da177e4 LT |
141 | choice |
142 | prompt "System type" | |
143 | default IA64_GENERIC | |
144 | ||
145 | config IA64_GENERIC | |
146 | bool "generic" | |
147 | select NUMA | |
148 | select ACPI_NUMA | |
d1598e05 | 149 | select SWIOTLB |
62fdd767 | 150 | select PCI_MSI |
1da177e4 LT |
151 | help |
152 | This selects the system type of your hardware. A "generic" kernel | |
153 | will run on any supported IA-64 system. However, if you configure | |
154 | a kernel for your specific system, it will be faster and smaller. | |
155 | ||
156 | generic For any supported IA-64 system | |
157 | DIG-compliant For DIG ("Developer's Interface Guide") compliant systems | |
62fdd767 | 158 | DIG+Intel+IOMMU For DIG systems with Intel IOMMU |
1da177e4 LT |
159 | HP-zx1/sx1000 For HP systems |
160 | HP-zx1/sx1000+swiotlb For HP systems with (broken) DMA-constrained devices. | |
161 | SGI-SN2 For SGI Altix systems | |
22246614 | 162 | SGI-UV For SGI UV systems |
1da177e4 LT |
163 | Ski-simulator For the HP simulator <http://www.hpl.hp.com/research/linux/ski/> |
164 | ||
165 | If you don't know what to do, choose "generic". | |
166 | ||
167 | config IA64_DIG | |
168 | bool "DIG-compliant" | |
d1598e05 | 169 | select SWIOTLB |
1da177e4 | 170 | |
62fdd767 FY |
171 | config IA64_DIG_VTD |
172 | bool "DIG+Intel+IOMMU" | |
96edc754 | 173 | select INTEL_IOMMU |
62fdd767 FY |
174 | select PCI_MSI |
175 | ||
1da177e4 LT |
176 | config IA64_HP_ZX1 |
177 | bool "HP-zx1/sx1000" | |
178 | help | |
179 | Build a kernel that runs on HP zx1 and sx1000 systems. This adds | |
180 | support for the HP I/O MMU. | |
181 | ||
182 | config IA64_HP_ZX1_SWIOTLB | |
183 | bool "HP-zx1/sx1000 with software I/O TLB" | |
d1598e05 | 184 | select SWIOTLB |
1da177e4 LT |
185 | help |
186 | Build a kernel that runs on HP zx1 and sx1000 systems even when they | |
187 | have broken PCI devices which cannot DMA to full 32 bits. Apart | |
188 | from support for the HP I/O MMU, this includes support for the software | |
189 | I/O TLB, which allows supporting the broken devices at the expense of | |
190 | wasting some kernel memory (about 2MB by default). | |
191 | ||
192 | config IA64_SGI_SN2 | |
193 | bool "SGI-SN2" | |
bd3be240 JS |
194 | select NUMA |
195 | select ACPI_NUMA | |
1da177e4 LT |
196 | help |
197 | Selecting this option will optimize the kernel for use on sn2 based | |
198 | systems, but the resulting kernel binary will not run on other | |
199 | types of ia64 systems. If you have an SGI Altix system, it's safe | |
200 | to select this option. If in doubt, select ia64 generic support | |
201 | instead. | |
202 | ||
3351ab9b JS |
203 | config IA64_SGI_UV |
204 | bool "SGI-UV" | |
22246614 JS |
205 | select NUMA |
206 | select ACPI_NUMA | |
207 | select SWIOTLB | |
208 | help | |
209 | Selecting this option will optimize the kernel for use on UV based | |
210 | systems, but the resulting kernel binary will not run on other | |
211 | types of ia64 systems. If you have an SGI UV system, it's safe | |
212 | to select this option. If in doubt, select ia64 generic support | |
213 | instead. | |
214 | ||
1da177e4 LT |
215 | config IA64_HP_SIM |
216 | bool "Ski-simulator" | |
d1598e05 | 217 | select SWIOTLB |
1b3e3aa6 | 218 | depends on !PM |
1da177e4 LT |
219 | |
220 | endchoice | |
221 | ||
222 | choice | |
223 | prompt "Processor type" | |
224 | default ITANIUM | |
225 | ||
226 | config ITANIUM | |
227 | bool "Itanium" | |
228 | help | |
229 | Select your IA-64 processor type. The default is Itanium. | |
230 | This choice is safe for all IA-64 systems, but may not perform | |
231 | optimally on systems with, say, Itanium 2 or newer processors. | |
232 | ||
233 | config MCKINLEY | |
234 | bool "Itanium 2" | |
235 | help | |
236 | Select this to configure for an Itanium 2 (McKinley) processor. | |
237 | ||
238 | endchoice | |
239 | ||
240 | choice | |
241 | prompt "Kernel page size" | |
242 | default IA64_PAGE_SIZE_16KB | |
243 | ||
244 | config IA64_PAGE_SIZE_4KB | |
245 | bool "4KB" | |
246 | help | |
247 | This lets you select the page size of the kernel. For best IA-64 | |
248 | performance, a page size of 8KB or 16KB is recommended. For best | |
249 | IA-32 compatibility, a page size of 4KB should be selected (the vast | |
250 | majority of IA-32 binaries work perfectly fine with a larger page | |
251 | size). For Itanium 2 or newer systems, a page size of 64KB can also | |
252 | be selected. | |
253 | ||
254 | 4KB For best IA-32 compatibility | |
255 | 8KB For best IA-64 performance | |
256 | 16KB For best IA-64 performance | |
257 | 64KB Requires Itanium 2 or newer processor. | |
258 | ||
259 | If you don't know what to do, choose 16KB. | |
260 | ||
261 | config IA64_PAGE_SIZE_8KB | |
262 | bool "8KB" | |
263 | ||
264 | config IA64_PAGE_SIZE_16KB | |
265 | bool "16KB" | |
266 | ||
267 | config IA64_PAGE_SIZE_64KB | |
268 | depends on !ITANIUM | |
269 | bool "64KB" | |
270 | ||
271 | endchoice | |
272 | ||
10d0aa3c TL |
273 | if IA64_HP_SIM |
274 | config HZ | |
275 | default 32 | |
276 | endif | |
277 | ||
278 | if !IA64_HP_SIM | |
b5d23e5b | 279 | source kernel/Kconfig.hz |
10d0aa3c | 280 | endif |
b5d23e5b | 281 | |
1da177e4 LT |
282 | config IA64_BRL_EMU |
283 | bool | |
284 | depends on ITANIUM | |
285 | default y | |
286 | ||
287 | # align cache-sensitive data to 128 bytes | |
288 | config IA64_L1_CACHE_SHIFT | |
289 | int | |
290 | default "7" if MCKINLEY | |
291 | default "6" if ITANIUM | |
292 | ||
1da177e4 LT |
293 | config IA64_CYCLONE |
294 | bool "Cyclone (EXA) Time Source support" | |
295 | help | |
296 | Say Y here to enable support for IBM EXA Cyclone time source. | |
297 | If you're unsure, answer N. | |
298 | ||
299 | config IOSAPIC | |
300 | bool | |
301 | depends on !IA64_HP_SIM | |
302 | default y | |
303 | ||
1da177e4 | 304 | config FORCE_MAX_ZONEORDER |
da9577c5 BP |
305 | int "MAX_ORDER (11 - 17)" if !HUGETLB_PAGE |
306 | range 11 17 if !HUGETLB_PAGE | |
307 | default "17" if HUGETLB_PAGE | |
308 | default "11" | |
1da177e4 LT |
309 | |
310 | config SMP | |
311 | bool "Symmetric multi-processing support" | |
312 | help | |
313 | This enables support for systems with more than one CPU. If you have | |
314 | a system with only one CPU, say N. If you have a system with more | |
315 | than one CPU, say Y. | |
316 | ||
317 | If you say N here, the kernel will run on single and multiprocessor | |
318 | systems, but will use only one CPU of a multiprocessor system. If | |
319 | you say Y here, the kernel will run on many, but not all, | |
320 | single processor systems. On a single processor system, the kernel | |
321 | will run faster if you say N here. | |
322 | ||
03502faa AB |
323 | See also the SMP-HOWTO available at |
324 | <http://www.tldp.org/docs.html#howto>. | |
1da177e4 LT |
325 | |
326 | If you don't know what to do here, say N. | |
327 | ||
328 | config NR_CPUS | |
d1339df1 RH |
329 | int "Maximum number of CPUs (2-4096)" |
330 | range 2 4096 | |
1da177e4 | 331 | depends on SMP |
d1339df1 | 332 | default "4096" |
1da177e4 LT |
333 | help |
334 | You should set this to the number of CPUs in your system, but | |
335 | keep in mind that a kernel compiled for, e.g., 2 CPUs will boot but | |
336 | only use 2 CPUs on a >2 CPU system. Setting this to a value larger | |
337 | than 64 will cause the use of a CPU mask array, causing a small | |
338 | performance hit. | |
339 | ||
340 | config HOTPLUG_CPU | |
48a9240c KC |
341 | bool "Support for hot-pluggable CPUs" |
342 | depends on SMP | |
1da177e4 LT |
343 | default n |
344 | ---help--- | |
345 | Say Y here to experiment with turning CPUs off and on. CPUs | |
346 | can be controlled through /sys/devices/system/cpu/cpu#. | |
347 | Say N if you want to disable CPU hotplug. | |
348 | ||
cc57637b YG |
349 | config ARCH_ENABLE_MEMORY_HOTPLUG |
350 | def_bool y | |
351 | ||
0c0e6195 KH |
352 | config ARCH_ENABLE_MEMORY_HOTREMOVE |
353 | def_bool y | |
354 | ||
7a9bdd88 SS |
355 | config SCHED_SMT |
356 | bool "SMT scheduler support" | |
357 | depends on SMP | |
7a9bdd88 SS |
358 | help |
359 | Improves the CPU scheduler's decision making when dealing with | |
360 | Intel IA64 chips with MultiThreading at a cost of slightly increased | |
361 | overhead in some places. If unsure say N here. | |
362 | ||
ff741906 AR |
363 | config PERMIT_BSP_REMOVE |
364 | bool "Support removal of Bootstrap Processor" | |
365 | depends on HOTPLUG_CPU | |
366 | default n | |
367 | ---help--- | |
368 | Say Y here if your platform SAL will support removal of BSP with HOTPLUG_CPU | |
369 | support. | |
370 | ||
371 | config FORCE_CPEI_RETARGET | |
25985edc | 372 | bool "Force assumption that CPEI can be re-targeted" |
ff741906 AR |
373 | depends on PERMIT_BSP_REMOVE |
374 | default n | |
375 | ---help--- | |
25985edc | 376 | Say Y if you need to force the assumption that CPEI can be re-targeted to |
ff741906 AR |
377 | any cpu in the system. This hint is available via ACPI 3.0 specifications. |
378 | Tiger4 systems are capable of re-directing CPEI to any CPU other than BSP. | |
379 | This option it useful to enable this feature on older BIOS's as well. | |
380 | You can also enable this by using boot command line option force_cpei=1. | |
381 | ||
0b0517a4 | 382 | source "kernel/Kconfig.preempt" |
1da177e4 | 383 | |
3f22ab27 DH |
384 | source "mm/Kconfig" |
385 | ||
da9577c5 BP |
386 | config ARCH_SELECT_MEMORY_MODEL |
387 | def_bool y | |
388 | ||
389 | config ARCH_DISCONTIGMEM_ENABLE | |
390 | def_bool y | |
391 | help | |
392 | Say Y to support efficient handling of discontiguous physical memory, | |
393 | for architectures which are either NUMA (Non-Uniform Memory Access) | |
394 | or have huge holes in the physical address space for other reasons. | |
395 | See <file:Documentation/vm/numa> for more. | |
396 | ||
397 | config ARCH_FLATMEM_ENABLE | |
398 | def_bool y | |
399 | ||
400 | config ARCH_SPARSEMEM_ENABLE | |
401 | def_bool y | |
402 | depends on ARCH_DISCONTIGMEM_ENABLE | |
ef229c5a | 403 | select SPARSEMEM_VMEMMAP_ENABLE |
da9577c5 BP |
404 | |
405 | config ARCH_DISCONTIGMEM_DEFAULT | |
406 | def_bool y if (IA64_SGI_SN2 || IA64_GENERIC || IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB) | |
407 | depends on ARCH_DISCONTIGMEM_ENABLE | |
408 | ||
409 | config NUMA | |
410 | bool "NUMA support" | |
411 | depends on !IA64_HP_SIM && !FLATMEM | |
412 | default y if IA64_SGI_SN2 | |
6c33eb39 | 413 | select ACPI_NUMA if ACPI |
da9577c5 BP |
414 | help |
415 | Say Y to compile the kernel to support NUMA (Non-Uniform Memory | |
416 | Access). This option is for configuring high-end multiprocessor | |
417 | server systems. If in doubt, say N. | |
418 | ||
c80d79d7 YG |
419 | config NODES_SHIFT |
420 | int "Max num nodes shift(3-10)" | |
421 | range 3 10 | |
c57d68ca | 422 | default "10" |
c80d79d7 YG |
423 | depends on NEED_MULTIPLE_NODES |
424 | help | |
425 | This option specifies the maximum number of nodes in your SSI system. | |
426 | MAX_NUMNODES will be 2^(This value). | |
427 | If in doubt, use the default. | |
428 | ||
da9577c5 BP |
429 | # VIRTUAL_MEM_MAP and FLAT_NODE_MEM_MAP are functionally equivalent. |
430 | # VIRTUAL_MEM_MAP has been retained for historical reasons. | |
431 | config VIRTUAL_MEM_MAP | |
432 | bool "Virtual mem map" | |
433 | depends on !SPARSEMEM | |
434 | default y if !IA64_HP_SIM | |
435 | help | |
436 | Say Y to compile the kernel with support for a virtual mem map. | |
437 | This code also only takes effect if a memory hole of greater than | |
438 | 1 Gb is found during boot. You must turn this option on if you | |
439 | require the DISCONTIGMEM option for your machine. If you are | |
440 | unsure, say Y. | |
441 | ||
442 | config HOLES_IN_ZONE | |
443 | bool | |
444 | default y if VIRTUAL_MEM_MAP | |
445 | ||
446 | config HAVE_ARCH_EARLY_PFN_TO_NID | |
334f85b6 | 447 | def_bool NUMA && SPARSEMEM |
da9577c5 | 448 | |
10ad400b YG |
449 | config HAVE_ARCH_NODEDATA_EXTENSION |
450 | def_bool y | |
451 | depends on NUMA | |
452 | ||
3bccd996 LS |
453 | config USE_PERCPU_NUMA_NODE_ID |
454 | def_bool y | |
455 | depends on NUMA | |
456 | ||
fd1197f1 | 457 | config HAVE_MEMORYLESS_NODES |
25106000 | 458 | def_bool NUMA |
fd1197f1 | 459 | |
9492587c KH |
460 | config ARCH_PROC_KCORE_TEXT |
461 | def_bool y | |
462 | depends on PROC_KCORE | |
463 | ||
1da177e4 LT |
464 | config IA64_MCA_RECOVERY |
465 | tristate "MCA recovery from errors other than TLB." | |
466 | ||
467 | config PERFMON | |
468 | bool "Performance monitor support" | |
469 | help | |
470 | Selects whether support for the IA-64 performance monitor hardware | |
471 | is included in the kernel. This makes some kernel data-structures a | |
472 | little bigger and slows down execution a bit, but it is generally | |
473 | a good idea to turn this on. If you're unsure, say Y. | |
474 | ||
475 | config IA64_PALINFO | |
476 | tristate "/proc/pal support" | |
477 | help | |
478 | If you say Y here, you are able to get PAL (Processor Abstraction | |
479 | Layer) information in /proc/pal. This contains useful information | |
480 | about the processors in your systems, such as cache and TLB sizes | |
481 | and the PAL firmware version in use. | |
482 | ||
483 | To use this option, you have to ensure that the "/proc file system | |
484 | support" (CONFIG_PROC_FS) is enabled, too. | |
485 | ||
e9ef08bd FY |
486 | config IA64_MC_ERR_INJECT |
487 | tristate "MC error injection support" | |
488 | help | |
01dd2fbf ML |
489 | Adds support for MC error injection. If enabled, the kernel |
490 | will provide a sysfs interface for user applications to | |
491 | call MC error injection PAL procedures to inject various errors. | |
e9ef08bd FY |
492 | This is a useful tool for MCA testing. |
493 | ||
494 | If you're unsure, do not select this option. | |
495 | ||
466575f4 JS |
496 | config SGI_SN |
497 | def_bool y if (IA64_SGI_SN2 || IA64_GENERIC) | |
498 | ||
2ab561a1 DMT |
499 | config IA64_ESI |
500 | bool "ESI (Extensible SAL Interface) support" | |
501 | help | |
502 | If you say Y here, support is built into the kernel to | |
503 | make ESI calls. ESI calls are used to support vendor-specific | |
504 | firmware extensions, such as the ability to inject memory-errors | |
505 | for test-purposes. If you're unsure, say N. | |
506 | ||
28eda5b8 BH |
507 | config IA64_HP_AML_NFW |
508 | bool "Support ACPI AML calls to native firmware" | |
509 | help | |
510 | This driver installs a global ACPI Operation Region handler for | |
511 | region 0xA1. AML methods can use this OpRegion to call arbitrary | |
512 | native firmware functions. The driver installs the OpRegion | |
513 | handler if there is an HPQ5001 device or if the user supplies | |
514 | the "force" module parameter, e.g., with the "aml_nfw.force" | |
515 | kernel command line option. | |
516 | ||
c1311af1 BC |
517 | source "drivers/sn/Kconfig" |
518 | ||
a7956113 | 519 | config KEXEC |
48a9240c KC |
520 | bool "kexec system call" |
521 | depends on !IA64_HP_SIM && (!SMP || HOTPLUG_CPU) | |
2965faa5 | 522 | select KEXEC_CORE |
a7956113 ZN |
523 | help |
524 | kexec is a system call that implements the ability to shutdown your | |
525 | current kernel, and to start another kernel. It is like a reboot | |
3dde6ad8 | 526 | but it is independent of the system firmware. And like a reboot |
a7956113 ZN |
527 | you can start any kernel with it, not just Linux. |
528 | ||
01dd2fbf | 529 | The name comes from the similarity to the exec system call. |
a7956113 ZN |
530 | |
531 | It is an ongoing process to be certain the hardware in a machine | |
532 | is properly shutdown, so do not be surprised if this code does not | |
bf220695 GU |
533 | initially work for you. As of this writing the exact hardware |
534 | interface is strongly in flux, so no good recommendation can be | |
535 | made. | |
a7956113 ZN |
536 | |
537 | config CRASH_DUMP | |
fb86611f BW |
538 | bool "kernel crash dumps" |
539 | depends on IA64_MCA_RECOVERY && !IA64_HP_SIM && (!SMP || HOTPLUG_CPU) | |
a7956113 ZN |
540 | help |
541 | Generate crash dump after being started by kexec. | |
542 | ||
1da177e4 LT |
543 | source "drivers/firmware/Kconfig" |
544 | ||
545 | source "fs/Kconfig.binfmt" | |
546 | ||
547 | endmenu | |
548 | ||
1547a012 | 549 | menu "Power management and ACPI options" |
1da177e4 | 550 | |
eb7b6b32 | 551 | source "kernel/power/Kconfig" |
1da177e4 LT |
552 | |
553 | source "drivers/acpi/Kconfig" | |
554 | ||
4db8699b | 555 | if PM |
ab423e43 VK |
556 | menu "CPU Frequency scaling" |
557 | source "drivers/cpufreq/Kconfig" | |
558 | endmenu | |
4db8699b VP |
559 | endif |
560 | ||
1da177e4 LT |
561 | endmenu |
562 | ||
563 | if !IA64_HP_SIM | |
564 | ||
565 | menu "Bus options (PCI, PCMCIA)" | |
566 | ||
567 | config PCI | |
568 | bool "PCI support" | |
569 | help | |
85f265d8 CH |
570 | Real IA-64 machines all have PCI/PCI-X/PCI Express busses. Say Y |
571 | here unless you are using a simulator without PCI support. | |
1da177e4 LT |
572 | |
573 | config PCI_DOMAINS | |
36e23590 MW |
574 | def_bool PCI |
575 | ||
576 | config PCI_SYSCALL | |
577 | def_bool PCI | |
1da177e4 LT |
578 | |
579 | source "drivers/pci/Kconfig" | |
580 | ||
1da177e4 LT |
581 | source "drivers/pcmcia/Kconfig" |
582 | ||
583 | endmenu | |
584 | ||
585 | endif | |
586 | ||
d5950b43 SR |
587 | source "net/Kconfig" |
588 | ||
1da177e4 LT |
589 | source "drivers/Kconfig" |
590 | ||
1547a012 BH |
591 | source "arch/ia64/hp/sim/Kconfig" |
592 | ||
1a4b0fc5 JS |
593 | config MSPEC |
594 | tristate "Memory special operations driver" | |
595 | depends on IA64 | |
596 | select IA64_UNCACHED_ALLOCATOR | |
597 | help | |
598 | If you have an ia64 and you want to enable memory special | |
599 | operations support (formerly known as fetchop), say Y here, | |
600 | otherwise say N. | |
601 | ||
1da177e4 LT |
602 | source "fs/Kconfig" |
603 | ||
1547a012 BH |
604 | source "arch/ia64/Kconfig.debug" |
605 | ||
606 | source "security/Kconfig" | |
607 | ||
608 | source "crypto/Kconfig" | |
609 | ||
1da177e4 LT |
610 | source "lib/Kconfig" |
611 | ||
b34eb53c | 612 | config IOMMU_HELPER |
a8522509 | 613 | def_bool (IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB || IA64_GENERIC || SWIOTLB) |