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1da177e4 LT |
1 | # |
2 | # For a description of the syntax of this configuration file, | |
3 | # see Documentation/kbuild/kconfig-language.txt. | |
4 | # | |
5 | ||
6 | mainmenu "IA-64 Linux Kernel Configuration" | |
7 | ||
8 | source "init/Kconfig" | |
9 | ||
dc52ddc0 MH |
10 | source "kernel/Kconfig.freezer" |
11 | ||
1da177e4 LT |
12 | menu "Processor type and features" |
13 | ||
14 | config IA64 | |
15 | bool | |
06f87adf LB |
16 | select PCI if (!IA64_HP_SIM) |
17 | select ACPI if (!IA64_HP_SIM) | |
8140a90e | 18 | select PM if (!IA64_HP_SIM) |
f282b970 | 19 | select ARCH_SUPPORTS_MSI |
0773a6cf | 20 | select HAVE_UNSTABLE_SCHED_CLOCK |
ec7748b5 | 21 | select HAVE_IDE |
42d4b839 | 22 | select HAVE_OPROFILE |
3f550096 | 23 | select HAVE_KPROBES |
9edddaa2 | 24 | select HAVE_KRETPROBES |
a14a07b8 SL |
25 | select HAVE_FTRACE_MCOUNT_RECORD |
26 | select HAVE_DYNAMIC_FTRACE if (!ITANIUM) | |
d3e75ff1 | 27 | select HAVE_FUNCTION_TRACER |
74bc7cee | 28 | select HAVE_DMA_ATTRS |
b693919c | 29 | select HAVE_KVM |
9690ad03 | 30 | select HAVE_ARCH_TRACEHOOK |
99162195 | 31 | select HAVE_DMA_API_DEBUG |
1da177e4 LT |
32 | default y |
33 | help | |
34 | The Itanium Processor Family is Intel's 64-bit successor to | |
35 | the 32-bit X86 line. The IA-64 Linux project has a home | |
36 | page at <http://www.linuxia64.org/> and a mailing list at | |
37 | <linux-ia64@vger.kernel.org>. | |
38 | ||
39 | config 64BIT | |
40 | bool | |
9f271d57 | 41 | select ATA_NONSTANDARD if ATA |
1da177e4 LT |
42 | default y |
43 | ||
66701b14 | 44 | config ZONE_DMA |
09ae1f58 CL |
45 | def_bool y |
46 | depends on !IA64_SGI_SN2 | |
66701b14 | 47 | |
2bd62a40 CL |
48 | config QUICKLIST |
49 | bool | |
50 | default y | |
51 | ||
1da177e4 LT |
52 | config MMU |
53 | bool | |
54 | default y | |
55 | ||
6c654b5f JL |
56 | config SWIOTLB |
57 | bool | |
6c654b5f | 58 | |
a8522509 FT |
59 | config IOMMU_HELPER |
60 | bool | |
61 | ||
95c354fe NP |
62 | config GENERIC_LOCKBREAK |
63 | bool | |
64 | default y | |
65 | depends on SMP && PREEMPT | |
66 | ||
1da177e4 LT |
67 | config RWSEM_XCHGADD_ALGORITHM |
68 | bool | |
69 | default y | |
70 | ||
d9c23400 MG |
71 | config HUGETLB_PAGE_SIZE_VARIABLE |
72 | bool | |
73 | depends on HUGETLB_PAGE | |
74 | default y | |
75 | ||
2875aef8 AM |
76 | config GENERIC_FIND_NEXT_BIT |
77 | bool | |
78 | default y | |
79 | ||
1da177e4 LT |
80 | config GENERIC_CALIBRATE_DELAY |
81 | bool | |
82 | default y | |
83 | ||
0aa366f3 TL |
84 | config GENERIC_TIME |
85 | bool | |
86 | default y | |
87 | ||
88 | config GENERIC_TIME_VSYSCALL | |
1da177e4 LT |
89 | bool |
90 | default y | |
91 | ||
988c388a | 92 | config HAVE_SETUP_PER_CPU_AREA |
b32ef636 | 93 | def_bool y |
94 | ||
3ed3bce8 MD |
95 | config DMI |
96 | bool | |
97 | default y | |
98 | ||
1da177e4 LT |
99 | config EFI |
100 | bool | |
101 | default y | |
102 | ||
103 | config GENERIC_IOMAP | |
104 | bool | |
105 | default y | |
106 | ||
ae1e9130 | 107 | config SCHED_OMIT_FRAME_POINTER |
7d12e522 AB |
108 | bool |
109 | default y | |
110 | ||
f14f75b8 JS |
111 | config IA64_UNCACHED_ALLOCATOR |
112 | bool | |
113 | select GENERIC_ALLOCATOR | |
114 | ||
e65e1fc2 AV |
115 | config AUDIT_ARCH |
116 | bool | |
117 | default y | |
118 | ||
ba9cc328 IY |
119 | menuconfig PARAVIRT_GUEST |
120 | bool "Paravirtualized guest support" | |
121 | help | |
122 | Say Y here to get to see options related to running Linux under | |
123 | various hypervisors. This option alone does not add any kernel code. | |
124 | ||
125 | If you say N, all options in this submenu will be skipped and disabled. | |
126 | ||
127 | if PARAVIRT_GUEST | |
128 | ||
129 | config PARAVIRT | |
130 | bool "Enable paravirtualization code" | |
131 | depends on PARAVIRT_GUEST | |
132 | default y | |
133 | bool | |
134 | default y | |
135 | help | |
136 | This changes the kernel so it can modify itself when it is run | |
137 | under a hypervisor, potentially improving performance significantly | |
138 | over full virtualization. However, when run without a hypervisor | |
139 | the kernel is theoretically slower and slightly larger. | |
140 | ||
141 | ||
142 | source "arch/ia64/xen/Kconfig" | |
143 | ||
144 | endif | |
145 | ||
1da177e4 LT |
146 | choice |
147 | prompt "System type" | |
148 | default IA64_GENERIC | |
149 | ||
150 | config IA64_GENERIC | |
151 | bool "generic" | |
152 | select NUMA | |
153 | select ACPI_NUMA | |
d1598e05 | 154 | select SWIOTLB |
62fdd767 | 155 | select PCI_MSI |
f2b3fdc8 | 156 | select DMAR |
1da177e4 LT |
157 | help |
158 | This selects the system type of your hardware. A "generic" kernel | |
159 | will run on any supported IA-64 system. However, if you configure | |
160 | a kernel for your specific system, it will be faster and smaller. | |
161 | ||
162 | generic For any supported IA-64 system | |
163 | DIG-compliant For DIG ("Developer's Interface Guide") compliant systems | |
62fdd767 | 164 | DIG+Intel+IOMMU For DIG systems with Intel IOMMU |
1da177e4 LT |
165 | HP-zx1/sx1000 For HP systems |
166 | HP-zx1/sx1000+swiotlb For HP systems with (broken) DMA-constrained devices. | |
167 | SGI-SN2 For SGI Altix systems | |
22246614 | 168 | SGI-UV For SGI UV systems |
1da177e4 | 169 | Ski-simulator For the HP simulator <http://www.hpl.hp.com/research/linux/ski/> |
ba9cc328 | 170 | Xen-domU For xen domU system |
1da177e4 LT |
171 | |
172 | If you don't know what to do, choose "generic". | |
173 | ||
174 | config IA64_DIG | |
175 | bool "DIG-compliant" | |
d1598e05 | 176 | select SWIOTLB |
1da177e4 | 177 | |
62fdd767 FY |
178 | config IA64_DIG_VTD |
179 | bool "DIG+Intel+IOMMU" | |
180 | select DMAR | |
181 | select PCI_MSI | |
182 | ||
1da177e4 LT |
183 | config IA64_HP_ZX1 |
184 | bool "HP-zx1/sx1000" | |
185 | help | |
186 | Build a kernel that runs on HP zx1 and sx1000 systems. This adds | |
187 | support for the HP I/O MMU. | |
188 | ||
189 | config IA64_HP_ZX1_SWIOTLB | |
190 | bool "HP-zx1/sx1000 with software I/O TLB" | |
d1598e05 | 191 | select SWIOTLB |
1da177e4 LT |
192 | help |
193 | Build a kernel that runs on HP zx1 and sx1000 systems even when they | |
194 | have broken PCI devices which cannot DMA to full 32 bits. Apart | |
195 | from support for the HP I/O MMU, this includes support for the software | |
196 | I/O TLB, which allows supporting the broken devices at the expense of | |
197 | wasting some kernel memory (about 2MB by default). | |
198 | ||
199 | config IA64_SGI_SN2 | |
200 | bool "SGI-SN2" | |
bd3be240 JS |
201 | select NUMA |
202 | select ACPI_NUMA | |
1da177e4 LT |
203 | help |
204 | Selecting this option will optimize the kernel for use on sn2 based | |
205 | systems, but the resulting kernel binary will not run on other | |
206 | types of ia64 systems. If you have an SGI Altix system, it's safe | |
207 | to select this option. If in doubt, select ia64 generic support | |
208 | instead. | |
209 | ||
3351ab9b JS |
210 | config IA64_SGI_UV |
211 | bool "SGI-UV" | |
22246614 JS |
212 | select NUMA |
213 | select ACPI_NUMA | |
214 | select SWIOTLB | |
215 | help | |
216 | Selecting this option will optimize the kernel for use on UV based | |
217 | systems, but the resulting kernel binary will not run on other | |
218 | types of ia64 systems. If you have an SGI UV system, it's safe | |
219 | to select this option. If in doubt, select ia64 generic support | |
220 | instead. | |
221 | ||
1da177e4 LT |
222 | config IA64_HP_SIM |
223 | bool "Ski-simulator" | |
d1598e05 | 224 | select SWIOTLB |
1da177e4 | 225 | |
ba9cc328 IY |
226 | config IA64_XEN_GUEST |
227 | bool "Xen guest" | |
1d5b20f4 | 228 | select SWIOTLB |
ba9cc328 | 229 | depends on XEN |
1d5b20f4 IY |
230 | help |
231 | Build a kernel that runs on Xen guest domain. At this moment only | |
232 | 16KB page size in supported. | |
ba9cc328 | 233 | |
1da177e4 LT |
234 | endchoice |
235 | ||
236 | choice | |
237 | prompt "Processor type" | |
238 | default ITANIUM | |
239 | ||
240 | config ITANIUM | |
241 | bool "Itanium" | |
242 | help | |
243 | Select your IA-64 processor type. The default is Itanium. | |
244 | This choice is safe for all IA-64 systems, but may not perform | |
245 | optimally on systems with, say, Itanium 2 or newer processors. | |
246 | ||
247 | config MCKINLEY | |
248 | bool "Itanium 2" | |
249 | help | |
250 | Select this to configure for an Itanium 2 (McKinley) processor. | |
251 | ||
252 | endchoice | |
253 | ||
254 | choice | |
255 | prompt "Kernel page size" | |
256 | default IA64_PAGE_SIZE_16KB | |
257 | ||
258 | config IA64_PAGE_SIZE_4KB | |
259 | bool "4KB" | |
260 | help | |
261 | This lets you select the page size of the kernel. For best IA-64 | |
262 | performance, a page size of 8KB or 16KB is recommended. For best | |
263 | IA-32 compatibility, a page size of 4KB should be selected (the vast | |
264 | majority of IA-32 binaries work perfectly fine with a larger page | |
265 | size). For Itanium 2 or newer systems, a page size of 64KB can also | |
266 | be selected. | |
267 | ||
268 | 4KB For best IA-32 compatibility | |
269 | 8KB For best IA-64 performance | |
270 | 16KB For best IA-64 performance | |
271 | 64KB Requires Itanium 2 or newer processor. | |
272 | ||
273 | If you don't know what to do, choose 16KB. | |
274 | ||
275 | config IA64_PAGE_SIZE_8KB | |
276 | bool "8KB" | |
277 | ||
278 | config IA64_PAGE_SIZE_16KB | |
279 | bool "16KB" | |
280 | ||
281 | config IA64_PAGE_SIZE_64KB | |
282 | depends on !ITANIUM | |
283 | bool "64KB" | |
284 | ||
285 | endchoice | |
286 | ||
837cd0bd RH |
287 | choice |
288 | prompt "Page Table Levels" | |
289 | default PGTABLE_3 | |
290 | ||
291 | config PGTABLE_3 | |
292 | bool "3 Levels" | |
293 | ||
294 | config PGTABLE_4 | |
295 | depends on !IA64_PAGE_SIZE_64KB | |
296 | bool "4 Levels" | |
297 | ||
298 | endchoice | |
299 | ||
10d0aa3c TL |
300 | if IA64_HP_SIM |
301 | config HZ | |
302 | default 32 | |
303 | endif | |
304 | ||
305 | if !IA64_HP_SIM | |
b5d23e5b | 306 | source kernel/Kconfig.hz |
10d0aa3c | 307 | endif |
b5d23e5b | 308 | |
1da177e4 LT |
309 | config IA64_BRL_EMU |
310 | bool | |
311 | depends on ITANIUM | |
312 | default y | |
313 | ||
314 | # align cache-sensitive data to 128 bytes | |
315 | config IA64_L1_CACHE_SHIFT | |
316 | int | |
317 | default "7" if MCKINLEY | |
318 | default "6" if ITANIUM | |
319 | ||
1da177e4 LT |
320 | config IA64_CYCLONE |
321 | bool "Cyclone (EXA) Time Source support" | |
322 | help | |
323 | Say Y here to enable support for IBM EXA Cyclone time source. | |
324 | If you're unsure, answer N. | |
325 | ||
326 | config IOSAPIC | |
327 | bool | |
328 | depends on !IA64_HP_SIM | |
329 | default y | |
330 | ||
1da177e4 | 331 | config FORCE_MAX_ZONEORDER |
da9577c5 BP |
332 | int "MAX_ORDER (11 - 17)" if !HUGETLB_PAGE |
333 | range 11 17 if !HUGETLB_PAGE | |
334 | default "17" if HUGETLB_PAGE | |
335 | default "11" | |
1da177e4 | 336 | |
b64f34cd HS |
337 | config VIRT_CPU_ACCOUNTING |
338 | bool "Deterministic task and CPU time accounting" | |
339 | default n | |
340 | help | |
341 | Select this option to enable more accurate task and CPU time | |
342 | accounting. This is done by reading a CPU counter on each | |
343 | kernel entry and exit and on transitions within the kernel | |
344 | between system, softirq and hardirq state, so there is a | |
345 | small performance impact. | |
346 | If in doubt, say N here. | |
347 | ||
1da177e4 LT |
348 | config SMP |
349 | bool "Symmetric multi-processing support" | |
f27b433e | 350 | select USE_GENERIC_SMP_HELPERS |
1da177e4 LT |
351 | help |
352 | This enables support for systems with more than one CPU. If you have | |
353 | a system with only one CPU, say N. If you have a system with more | |
354 | than one CPU, say Y. | |
355 | ||
356 | If you say N here, the kernel will run on single and multiprocessor | |
357 | systems, but will use only one CPU of a multiprocessor system. If | |
358 | you say Y here, the kernel will run on many, but not all, | |
359 | single processor systems. On a single processor system, the kernel | |
360 | will run faster if you say N here. | |
361 | ||
03502faa AB |
362 | See also the SMP-HOWTO available at |
363 | <http://www.tldp.org/docs.html#howto>. | |
1da177e4 LT |
364 | |
365 | If you don't know what to do here, say N. | |
366 | ||
367 | config NR_CPUS | |
d1339df1 RH |
368 | int "Maximum number of CPUs (2-4096)" |
369 | range 2 4096 | |
1da177e4 | 370 | depends on SMP |
d1339df1 | 371 | default "4096" |
1da177e4 LT |
372 | help |
373 | You should set this to the number of CPUs in your system, but | |
374 | keep in mind that a kernel compiled for, e.g., 2 CPUs will boot but | |
375 | only use 2 CPUs on a >2 CPU system. Setting this to a value larger | |
376 | than 64 will cause the use of a CPU mask array, causing a small | |
377 | performance hit. | |
378 | ||
379 | config HOTPLUG_CPU | |
380 | bool "Support for hot-pluggable CPUs (EXPERIMENTAL)" | |
381 | depends on SMP && EXPERIMENTAL | |
382 | select HOTPLUG | |
383 | default n | |
384 | ---help--- | |
385 | Say Y here to experiment with turning CPUs off and on. CPUs | |
386 | can be controlled through /sys/devices/system/cpu/cpu#. | |
387 | Say N if you want to disable CPU hotplug. | |
388 | ||
cc57637b YG |
389 | config ARCH_ENABLE_MEMORY_HOTPLUG |
390 | def_bool y | |
391 | ||
0c0e6195 KH |
392 | config ARCH_ENABLE_MEMORY_HOTREMOVE |
393 | def_bool y | |
394 | ||
7a9bdd88 SS |
395 | config SCHED_SMT |
396 | bool "SMT scheduler support" | |
397 | depends on SMP | |
7a9bdd88 SS |
398 | help |
399 | Improves the CPU scheduler's decision making when dealing with | |
400 | Intel IA64 chips with MultiThreading at a cost of slightly increased | |
401 | overhead in some places. If unsure say N here. | |
402 | ||
ff741906 AR |
403 | config PERMIT_BSP_REMOVE |
404 | bool "Support removal of Bootstrap Processor" | |
405 | depends on HOTPLUG_CPU | |
406 | default n | |
407 | ---help--- | |
408 | Say Y here if your platform SAL will support removal of BSP with HOTPLUG_CPU | |
409 | support. | |
410 | ||
411 | config FORCE_CPEI_RETARGET | |
412 | bool "Force assumption that CPEI can be re-targetted" | |
413 | depends on PERMIT_BSP_REMOVE | |
414 | default n | |
415 | ---help--- | |
416 | Say Y if you need to force the assumption that CPEI can be re-targetted to | |
417 | any cpu in the system. This hint is available via ACPI 3.0 specifications. | |
418 | Tiger4 systems are capable of re-directing CPEI to any CPU other than BSP. | |
419 | This option it useful to enable this feature on older BIOS's as well. | |
420 | You can also enable this by using boot command line option force_cpei=1. | |
421 | ||
0b0517a4 | 422 | source "kernel/Kconfig.preempt" |
1da177e4 | 423 | |
3f22ab27 DH |
424 | source "mm/Kconfig" |
425 | ||
da9577c5 BP |
426 | config ARCH_SELECT_MEMORY_MODEL |
427 | def_bool y | |
428 | ||
429 | config ARCH_DISCONTIGMEM_ENABLE | |
430 | def_bool y | |
431 | help | |
432 | Say Y to support efficient handling of discontiguous physical memory, | |
433 | for architectures which are either NUMA (Non-Uniform Memory Access) | |
434 | or have huge holes in the physical address space for other reasons. | |
435 | See <file:Documentation/vm/numa> for more. | |
436 | ||
437 | config ARCH_FLATMEM_ENABLE | |
438 | def_bool y | |
439 | ||
440 | config ARCH_SPARSEMEM_ENABLE | |
441 | def_bool y | |
442 | depends on ARCH_DISCONTIGMEM_ENABLE | |
ef229c5a | 443 | select SPARSEMEM_VMEMMAP_ENABLE |
da9577c5 BP |
444 | |
445 | config ARCH_DISCONTIGMEM_DEFAULT | |
446 | def_bool y if (IA64_SGI_SN2 || IA64_GENERIC || IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB) | |
447 | depends on ARCH_DISCONTIGMEM_ENABLE | |
448 | ||
449 | config NUMA | |
450 | bool "NUMA support" | |
451 | depends on !IA64_HP_SIM && !FLATMEM | |
452 | default y if IA64_SGI_SN2 | |
6c33eb39 | 453 | select ACPI_NUMA if ACPI |
da9577c5 BP |
454 | help |
455 | Say Y to compile the kernel to support NUMA (Non-Uniform Memory | |
456 | Access). This option is for configuring high-end multiprocessor | |
457 | server systems. If in doubt, say N. | |
458 | ||
c80d79d7 YG |
459 | config NODES_SHIFT |
460 | int "Max num nodes shift(3-10)" | |
461 | range 3 10 | |
c57d68ca | 462 | default "10" |
c80d79d7 YG |
463 | depends on NEED_MULTIPLE_NODES |
464 | help | |
465 | This option specifies the maximum number of nodes in your SSI system. | |
466 | MAX_NUMNODES will be 2^(This value). | |
467 | If in doubt, use the default. | |
468 | ||
05e0caad MG |
469 | config ARCH_POPULATES_NODE_MAP |
470 | def_bool y | |
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 | ||
1da177e4 LT |
496 | config IA32_SUPPORT |
497 | bool "Support for Linux/x86 binaries" | |
498 | help | |
499 | IA-64 processors can execute IA-32 (X86) instructions. By | |
500 | saying Y here, the kernel will include IA-32 system call | |
501 | emulation support which makes it possible to transparently | |
502 | run IA-32 Linux binaries on an IA-64 Linux system. | |
503 | If in doubt, say Y. | |
504 | ||
505 | config COMPAT | |
506 | bool | |
507 | depends on IA32_SUPPORT | |
508 | default y | |
509 | ||
7a6c8135 TL |
510 | config COMPAT_FOR_U64_ALIGNMENT |
511 | def_bool COMPAT | |
512 | ||
1da177e4 LT |
513 | config IA64_MCA_RECOVERY |
514 | tristate "MCA recovery from errors other than TLB." | |
515 | ||
516 | config PERFMON | |
517 | bool "Performance monitor support" | |
518 | help | |
519 | Selects whether support for the IA-64 performance monitor hardware | |
520 | is included in the kernel. This makes some kernel data-structures a | |
521 | little bigger and slows down execution a bit, but it is generally | |
522 | a good idea to turn this on. If you're unsure, say Y. | |
523 | ||
524 | config IA64_PALINFO | |
525 | tristate "/proc/pal support" | |
526 | help | |
527 | If you say Y here, you are able to get PAL (Processor Abstraction | |
528 | Layer) information in /proc/pal. This contains useful information | |
529 | about the processors in your systems, such as cache and TLB sizes | |
530 | and the PAL firmware version in use. | |
531 | ||
532 | To use this option, you have to ensure that the "/proc file system | |
533 | support" (CONFIG_PROC_FS) is enabled, too. | |
534 | ||
e9ef08bd FY |
535 | config IA64_MC_ERR_INJECT |
536 | tristate "MC error injection support" | |
537 | help | |
01dd2fbf ML |
538 | Adds support for MC error injection. If enabled, the kernel |
539 | will provide a sysfs interface for user applications to | |
540 | call MC error injection PAL procedures to inject various errors. | |
e9ef08bd FY |
541 | This is a useful tool for MCA testing. |
542 | ||
543 | If you're unsure, do not select this option. | |
544 | ||
466575f4 JS |
545 | config SGI_SN |
546 | def_bool y if (IA64_SGI_SN2 || IA64_GENERIC) | |
547 | ||
2ab561a1 DMT |
548 | config IA64_ESI |
549 | bool "ESI (Extensible SAL Interface) support" | |
550 | help | |
551 | If you say Y here, support is built into the kernel to | |
552 | make ESI calls. ESI calls are used to support vendor-specific | |
553 | firmware extensions, such as the ability to inject memory-errors | |
554 | for test-purposes. If you're unsure, say N. | |
555 | ||
28eda5b8 BH |
556 | config IA64_HP_AML_NFW |
557 | bool "Support ACPI AML calls to native firmware" | |
558 | help | |
559 | This driver installs a global ACPI Operation Region handler for | |
560 | region 0xA1. AML methods can use this OpRegion to call arbitrary | |
561 | native firmware functions. The driver installs the OpRegion | |
562 | handler if there is an HPQ5001 device or if the user supplies | |
563 | the "force" module parameter, e.g., with the "aml_nfw.force" | |
564 | kernel command line option. | |
565 | ||
c1311af1 BC |
566 | source "drivers/sn/Kconfig" |
567 | ||
a7956113 ZN |
568 | config KEXEC |
569 | bool "kexec system call (EXPERIMENTAL)" | |
570 | depends on EXPERIMENTAL && !IA64_HP_SIM && (!SMP || HOTPLUG_CPU) | |
571 | help | |
572 | kexec is a system call that implements the ability to shutdown your | |
573 | current kernel, and to start another kernel. It is like a reboot | |
3dde6ad8 | 574 | but it is independent of the system firmware. And like a reboot |
a7956113 ZN |
575 | you can start any kernel with it, not just Linux. |
576 | ||
01dd2fbf | 577 | The name comes from the similarity to the exec system call. |
a7956113 ZN |
578 | |
579 | It is an ongoing process to be certain the hardware in a machine | |
580 | is properly shutdown, so do not be surprised if this code does not | |
581 | initially work for you. It may help to enable device hotplugging | |
582 | support. As of this writing the exact hardware interface is | |
583 | strongly in flux, so no good recommendation can be made. | |
584 | ||
585 | config CRASH_DUMP | |
fb86611f BW |
586 | bool "kernel crash dumps" |
587 | depends on IA64_MCA_RECOVERY && !IA64_HP_SIM && (!SMP || HOTPLUG_CPU) | |
a7956113 ZN |
588 | help |
589 | Generate crash dump after being started by kexec. | |
590 | ||
1da177e4 LT |
591 | source "drivers/firmware/Kconfig" |
592 | ||
593 | source "fs/Kconfig.binfmt" | |
594 | ||
595 | endmenu | |
596 | ||
1547a012 | 597 | menu "Power management and ACPI options" |
1da177e4 | 598 | |
eb7b6b32 | 599 | source "kernel/power/Kconfig" |
1da177e4 LT |
600 | |
601 | source "drivers/acpi/Kconfig" | |
602 | ||
4db8699b VP |
603 | if PM |
604 | ||
605 | source "arch/ia64/kernel/cpufreq/Kconfig" | |
606 | ||
607 | endif | |
608 | ||
1da177e4 LT |
609 | endmenu |
610 | ||
611 | if !IA64_HP_SIM | |
612 | ||
613 | menu "Bus options (PCI, PCMCIA)" | |
614 | ||
615 | config PCI | |
616 | bool "PCI support" | |
617 | help | |
85f265d8 CH |
618 | Real IA-64 machines all have PCI/PCI-X/PCI Express busses. Say Y |
619 | here unless you are using a simulator without PCI support. | |
1da177e4 LT |
620 | |
621 | config PCI_DOMAINS | |
36e23590 MW |
622 | def_bool PCI |
623 | ||
624 | config PCI_SYSCALL | |
625 | def_bool PCI | |
1da177e4 | 626 | |
b7bb575c KK |
627 | source "drivers/pci/pcie/Kconfig" |
628 | ||
1da177e4 LT |
629 | source "drivers/pci/Kconfig" |
630 | ||
631 | source "drivers/pci/hotplug/Kconfig" | |
632 | ||
633 | source "drivers/pcmcia/Kconfig" | |
634 | ||
62fdd767 FY |
635 | config DMAR |
636 | bool "Support for DMA Remapping Devices (EXPERIMENTAL)" | |
637 | depends on IA64_GENERIC && ACPI && EXPERIMENTAL | |
638 | help | |
639 | DMA remapping (DMAR) devices support enables independent address | |
640 | translations for Direct Memory Access (DMA) from devices. | |
641 | These DMA remapping devices are reported via ACPI tables | |
642 | and include PCI device scope covered by these DMA | |
643 | remapping devices. | |
644 | ||
6b1ff036 KM |
645 | config DMAR_DEFAULT_ON |
646 | def_bool y | |
647 | prompt "Enable DMA Remapping Devices by default" | |
648 | depends on DMAR | |
649 | help | |
650 | Selecting this option will enable a DMAR device at boot time if | |
651 | one is found. If this option is not selected, DMAR support can | |
652 | be enabled by passing intel_iommu=on to the kernel. It is | |
653 | recommended you say N here while the DMAR code remains | |
654 | experimental. | |
655 | ||
1da177e4 LT |
656 | endmenu |
657 | ||
658 | endif | |
659 | ||
d5950b43 SR |
660 | source "net/Kconfig" |
661 | ||
1da177e4 LT |
662 | source "drivers/Kconfig" |
663 | ||
1547a012 BH |
664 | source "arch/ia64/hp/sim/Kconfig" |
665 | ||
1a4b0fc5 JS |
666 | config MSPEC |
667 | tristate "Memory special operations driver" | |
668 | depends on IA64 | |
669 | select IA64_UNCACHED_ALLOCATOR | |
670 | help | |
671 | If you have an ia64 and you want to enable memory special | |
672 | operations support (formerly known as fetchop), say Y here, | |
673 | otherwise say N. | |
674 | ||
1da177e4 LT |
675 | source "fs/Kconfig" |
676 | ||
1547a012 BH |
677 | source "arch/ia64/Kconfig.debug" |
678 | ||
679 | source "security/Kconfig" | |
680 | ||
681 | source "crypto/Kconfig" | |
682 | ||
b693919c XZ |
683 | source "arch/ia64/kvm/Kconfig" |
684 | ||
1da177e4 LT |
685 | source "lib/Kconfig" |
686 | ||
687 | # | |
688 | # Use the generic interrupt handling code in kernel/irq/: | |
689 | # | |
690 | config GENERIC_HARDIRQS | |
691 | bool | |
692 | default y | |
693 | ||
694 | config GENERIC_IRQ_PROBE | |
695 | bool | |
696 | default y | |
697 | ||
54d5d424 AR |
698 | config GENERIC_PENDING_IRQ |
699 | bool | |
700 | depends on GENERIC_HARDIRQS && SMP | |
701 | default y | |
702 | ||
0d7012a9 IM |
703 | config IRQ_PER_CPU |
704 | bool | |
705 | default y | |
706 | ||
b34eb53c | 707 | config IOMMU_HELPER |
a8522509 | 708 | def_bool (IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB || IA64_GENERIC || SWIOTLB) |
1aaf1183 JR |
709 | |
710 | config IOMMU_API | |
711 | def_bool (DMAR) |