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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) |
0773a6cf | 12 | select HAVE_UNSTABLE_SCHED_CLOCK |
ec7748b5 | 13 | select HAVE_IDE |
42d4b839 | 14 | select HAVE_OPROFILE |
3f550096 | 15 | select HAVE_KPROBES |
9edddaa2 | 16 | select HAVE_KRETPROBES |
a14a07b8 SL |
17 | select HAVE_FTRACE_MCOUNT_RECORD |
18 | select HAVE_DYNAMIC_FTRACE if (!ITANIUM) | |
d3e75ff1 | 19 | select HAVE_FUNCTION_TRACER |
74bc7cee | 20 | select HAVE_DMA_ATTRS |
b693919c | 21 | select HAVE_KVM |
9690ad03 | 22 | select HAVE_ARCH_TRACEHOOK |
99162195 | 23 | select HAVE_DMA_API_DEBUG |
98e4ae8a TH |
24 | select HAVE_MEMBLOCK |
25 | select HAVE_MEMBLOCK_NODE_MAP | |
b952741c | 26 | select HAVE_VIRT_CPU_ACCOUNTING |
4febd95a | 27 | select VIRT_TO_BUS |
98e4ae8a | 28 | select ARCH_DISCARD_MEMBLOCK |
c5e66129 TG |
29 | select GENERIC_IRQ_PROBE |
30 | select GENERIC_PENDING_IRQ if SMP | |
e3d78122 | 31 | select GENERIC_IRQ_SHOW |
badc1446 | 32 | select ARCH_WANT_OPTIONAL_GPIOLIB |
df013ffb | 33 | select ARCH_HAVE_NMI_SAFE_CMPXCHG |
4673ca8e | 34 | select GENERIC_IOMAP |
13583bf1 | 35 | select GENERIC_SMP_IDLE_THREAD |
a6359d1e | 36 | select ARCH_INIT_TASK |
f5e10287 TG |
37 | select ARCH_TASK_STRUCT_ALLOCATOR |
38 | select ARCH_THREAD_INFO_ALLOCATOR | |
21b19710 | 39 | select ARCH_CLOCKSOURCE_DATA |
70639421 | 40 | select GENERIC_TIME_VSYSCALL_OLD |
b6fca725 | 41 | select SYSCTL_ARCH_UNALIGN_NO_WARN |
786d35d4 DH |
42 | select HAVE_MOD_ARCH_SPECIFIC |
43 | select MODULES_USE_ELF_RELA | |
71c7356f | 44 | select ARCH_USE_CMPXCHG_LOCKREF |
1da177e4 LT |
45 | default y |
46 | help | |
47 | The Itanium Processor Family is Intel's 64-bit successor to | |
48 | the 32-bit X86 line. The IA-64 Linux project has a home | |
49 | page at <http://www.linuxia64.org/> and a mailing list at | |
50 | <linux-ia64@vger.kernel.org>. | |
51 | ||
52 | config 64BIT | |
53 | bool | |
9f271d57 | 54 | select ATA_NONSTANDARD if ATA |
1da177e4 LT |
55 | default y |
56 | ||
66701b14 | 57 | config ZONE_DMA |
09ae1f58 CL |
58 | def_bool y |
59 | depends on !IA64_SGI_SN2 | |
66701b14 | 60 | |
2bd62a40 CL |
61 | config QUICKLIST |
62 | bool | |
63 | default y | |
64 | ||
1da177e4 LT |
65 | config MMU |
66 | bool | |
67 | default y | |
68 | ||
e33621a2 FT |
69 | config ARCH_DMA_ADDR_T_64BIT |
70 | def_bool y | |
71 | ||
66ed5ef8 FT |
72 | config NEED_DMA_MAP_STATE |
73 | def_bool y | |
74 | ||
18e98307 FT |
75 | config NEED_SG_DMA_LENGTH |
76 | def_bool y | |
77 | ||
6c654b5f JL |
78 | config SWIOTLB |
79 | bool | |
6c654b5f | 80 | |
85718fae TL |
81 | config STACKTRACE_SUPPORT |
82 | def_bool y | |
83 | ||
95c354fe | 84 | config GENERIC_LOCKBREAK |
2c86963b | 85 | def_bool n |
95c354fe | 86 | |
1da177e4 LT |
87 | config RWSEM_XCHGADD_ALGORITHM |
88 | bool | |
89 | default y | |
90 | ||
d9c23400 MG |
91 | config HUGETLB_PAGE_SIZE_VARIABLE |
92 | bool | |
93 | depends on HUGETLB_PAGE | |
94 | default y | |
95 | ||
1da177e4 LT |
96 | config GENERIC_CALIBRATE_DELAY |
97 | bool | |
98 | default y | |
99 | ||
988c388a | 100 | config HAVE_SETUP_PER_CPU_AREA |
b32ef636 | 101 | def_bool y |
102 | ||
3ed3bce8 MD |
103 | config DMI |
104 | bool | |
105 | default y | |
106 | ||
1da177e4 LT |
107 | config EFI |
108 | bool | |
a614e192 | 109 | select UCS2_STRING |
1da177e4 LT |
110 | default 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" | |
0c406643 | 130 | depends on BROKEN |
ba9cc328 IY |
131 | help |
132 | Say Y here to get to see options related to running Linux under | |
133 | various hypervisors. This option alone does not add any kernel code. | |
134 | ||
135 | If you say N, all options in this submenu will be skipped and disabled. | |
136 | ||
137 | if PARAVIRT_GUEST | |
138 | ||
139 | config PARAVIRT | |
140 | bool "Enable paravirtualization code" | |
141 | depends on PARAVIRT_GUEST | |
142 | default y | |
ba9cc328 IY |
143 | help |
144 | This changes the kernel so it can modify itself when it is run | |
145 | under a hypervisor, potentially improving performance significantly | |
146 | over full virtualization. However, when run without a hypervisor | |
147 | the kernel is theoretically slower and slightly larger. | |
148 | ||
149 | ||
150 | source "arch/ia64/xen/Kconfig" | |
151 | ||
152 | endif | |
153 | ||
1da177e4 LT |
154 | choice |
155 | prompt "System type" | |
156 | default IA64_GENERIC | |
157 | ||
158 | config IA64_GENERIC | |
159 | bool "generic" | |
160 | select NUMA | |
161 | select ACPI_NUMA | |
d1598e05 | 162 | select SWIOTLB |
62fdd767 | 163 | select PCI_MSI |
1da177e4 LT |
164 | help |
165 | This selects the system type of your hardware. A "generic" kernel | |
166 | will run on any supported IA-64 system. However, if you configure | |
167 | a kernel for your specific system, it will be faster and smaller. | |
168 | ||
169 | generic For any supported IA-64 system | |
170 | DIG-compliant For DIG ("Developer's Interface Guide") compliant systems | |
62fdd767 | 171 | DIG+Intel+IOMMU For DIG systems with Intel IOMMU |
1da177e4 LT |
172 | HP-zx1/sx1000 For HP systems |
173 | HP-zx1/sx1000+swiotlb For HP systems with (broken) DMA-constrained devices. | |
174 | SGI-SN2 For SGI Altix systems | |
22246614 | 175 | SGI-UV For SGI UV systems |
1da177e4 | 176 | Ski-simulator For the HP simulator <http://www.hpl.hp.com/research/linux/ski/> |
ba9cc328 | 177 | Xen-domU For xen domU system |
1da177e4 LT |
178 | |
179 | If you don't know what to do, choose "generic". | |
180 | ||
181 | config IA64_DIG | |
182 | bool "DIG-compliant" | |
d1598e05 | 183 | select SWIOTLB |
1da177e4 | 184 | |
62fdd767 FY |
185 | config IA64_DIG_VTD |
186 | bool "DIG+Intel+IOMMU" | |
96edc754 | 187 | select INTEL_IOMMU |
62fdd767 FY |
188 | select PCI_MSI |
189 | ||
1da177e4 LT |
190 | config IA64_HP_ZX1 |
191 | bool "HP-zx1/sx1000" | |
192 | help | |
193 | Build a kernel that runs on HP zx1 and sx1000 systems. This adds | |
194 | support for the HP I/O MMU. | |
195 | ||
196 | config IA64_HP_ZX1_SWIOTLB | |
197 | bool "HP-zx1/sx1000 with software I/O TLB" | |
d1598e05 | 198 | select SWIOTLB |
1da177e4 LT |
199 | help |
200 | Build a kernel that runs on HP zx1 and sx1000 systems even when they | |
201 | have broken PCI devices which cannot DMA to full 32 bits. Apart | |
202 | from support for the HP I/O MMU, this includes support for the software | |
203 | I/O TLB, which allows supporting the broken devices at the expense of | |
204 | wasting some kernel memory (about 2MB by default). | |
205 | ||
206 | config IA64_SGI_SN2 | |
207 | bool "SGI-SN2" | |
bd3be240 JS |
208 | select NUMA |
209 | select ACPI_NUMA | |
1da177e4 LT |
210 | help |
211 | Selecting this option will optimize the kernel for use on sn2 based | |
212 | systems, but the resulting kernel binary will not run on other | |
213 | types of ia64 systems. If you have an SGI Altix system, it's safe | |
214 | to select this option. If in doubt, select ia64 generic support | |
215 | instead. | |
216 | ||
3351ab9b JS |
217 | config IA64_SGI_UV |
218 | bool "SGI-UV" | |
22246614 JS |
219 | select NUMA |
220 | select ACPI_NUMA | |
221 | select SWIOTLB | |
222 | help | |
223 | Selecting this option will optimize the kernel for use on UV based | |
224 | systems, but the resulting kernel binary will not run on other | |
225 | types of ia64 systems. If you have an SGI UV system, it's safe | |
226 | to select this option. If in doubt, select ia64 generic support | |
227 | instead. | |
228 | ||
1da177e4 LT |
229 | config IA64_HP_SIM |
230 | bool "Ski-simulator" | |
d1598e05 | 231 | select SWIOTLB |
1da177e4 | 232 | |
ba9cc328 IY |
233 | config IA64_XEN_GUEST |
234 | bool "Xen guest" | |
1d5b20f4 | 235 | select SWIOTLB |
ba9cc328 | 236 | depends on XEN |
1d5b20f4 IY |
237 | help |
238 | Build a kernel that runs on Xen guest domain. At this moment only | |
239 | 16KB page size in supported. | |
ba9cc328 | 240 | |
1da177e4 LT |
241 | endchoice |
242 | ||
243 | choice | |
244 | prompt "Processor type" | |
245 | default ITANIUM | |
246 | ||
247 | config ITANIUM | |
248 | bool "Itanium" | |
249 | help | |
250 | Select your IA-64 processor type. The default is Itanium. | |
251 | This choice is safe for all IA-64 systems, but may not perform | |
252 | optimally on systems with, say, Itanium 2 or newer processors. | |
253 | ||
254 | config MCKINLEY | |
255 | bool "Itanium 2" | |
256 | help | |
257 | Select this to configure for an Itanium 2 (McKinley) processor. | |
258 | ||
259 | endchoice | |
260 | ||
261 | choice | |
262 | prompt "Kernel page size" | |
263 | default IA64_PAGE_SIZE_16KB | |
264 | ||
265 | config IA64_PAGE_SIZE_4KB | |
266 | bool "4KB" | |
267 | help | |
268 | This lets you select the page size of the kernel. For best IA-64 | |
269 | performance, a page size of 8KB or 16KB is recommended. For best | |
270 | IA-32 compatibility, a page size of 4KB should be selected (the vast | |
271 | majority of IA-32 binaries work perfectly fine with a larger page | |
272 | size). For Itanium 2 or newer systems, a page size of 64KB can also | |
273 | be selected. | |
274 | ||
275 | 4KB For best IA-32 compatibility | |
276 | 8KB For best IA-64 performance | |
277 | 16KB For best IA-64 performance | |
278 | 64KB Requires Itanium 2 or newer processor. | |
279 | ||
280 | If you don't know what to do, choose 16KB. | |
281 | ||
282 | config IA64_PAGE_SIZE_8KB | |
283 | bool "8KB" | |
284 | ||
285 | config IA64_PAGE_SIZE_16KB | |
286 | bool "16KB" | |
287 | ||
288 | config IA64_PAGE_SIZE_64KB | |
289 | depends on !ITANIUM | |
290 | bool "64KB" | |
291 | ||
292 | endchoice | |
293 | ||
837cd0bd RH |
294 | choice |
295 | prompt "Page Table Levels" | |
296 | default PGTABLE_3 | |
297 | ||
298 | config PGTABLE_3 | |
299 | bool "3 Levels" | |
300 | ||
301 | config PGTABLE_4 | |
302 | depends on !IA64_PAGE_SIZE_64KB | |
303 | bool "4 Levels" | |
304 | ||
305 | endchoice | |
306 | ||
10d0aa3c TL |
307 | if IA64_HP_SIM |
308 | config HZ | |
309 | default 32 | |
310 | endif | |
311 | ||
312 | if !IA64_HP_SIM | |
b5d23e5b | 313 | source kernel/Kconfig.hz |
10d0aa3c | 314 | endif |
b5d23e5b | 315 | |
1da177e4 LT |
316 | config IA64_BRL_EMU |
317 | bool | |
318 | depends on ITANIUM | |
319 | default y | |
320 | ||
321 | # align cache-sensitive data to 128 bytes | |
322 | config IA64_L1_CACHE_SHIFT | |
323 | int | |
324 | default "7" if MCKINLEY | |
325 | default "6" if ITANIUM | |
326 | ||
1da177e4 LT |
327 | config IA64_CYCLONE |
328 | bool "Cyclone (EXA) Time Source support" | |
329 | help | |
330 | Say Y here to enable support for IBM EXA Cyclone time source. | |
331 | If you're unsure, answer N. | |
332 | ||
333 | config IOSAPIC | |
334 | bool | |
335 | depends on !IA64_HP_SIM | |
336 | default y | |
337 | ||
1da177e4 | 338 | config FORCE_MAX_ZONEORDER |
da9577c5 BP |
339 | int "MAX_ORDER (11 - 17)" if !HUGETLB_PAGE |
340 | range 11 17 if !HUGETLB_PAGE | |
341 | default "17" if HUGETLB_PAGE | |
342 | default "11" | |
1da177e4 LT |
343 | |
344 | config SMP | |
345 | bool "Symmetric multi-processing support" | |
f27b433e | 346 | select USE_GENERIC_SMP_HELPERS |
1da177e4 LT |
347 | help |
348 | This enables support for systems with more than one CPU. If you have | |
349 | a system with only one CPU, say N. If you have a system with more | |
350 | than one CPU, say Y. | |
351 | ||
352 | If you say N here, the kernel will run on single and multiprocessor | |
353 | systems, but will use only one CPU of a multiprocessor system. If | |
354 | you say Y here, the kernel will run on many, but not all, | |
355 | single processor systems. On a single processor system, the kernel | |
356 | will run faster if you say N here. | |
357 | ||
03502faa AB |
358 | See also the SMP-HOWTO available at |
359 | <http://www.tldp.org/docs.html#howto>. | |
1da177e4 LT |
360 | |
361 | If you don't know what to do here, say N. | |
362 | ||
363 | config NR_CPUS | |
d1339df1 RH |
364 | int "Maximum number of CPUs (2-4096)" |
365 | range 2 4096 | |
1da177e4 | 366 | depends on SMP |
d1339df1 | 367 | default "4096" |
1da177e4 LT |
368 | help |
369 | You should set this to the number of CPUs in your system, but | |
370 | keep in mind that a kernel compiled for, e.g., 2 CPUs will boot but | |
371 | only use 2 CPUs on a >2 CPU system. Setting this to a value larger | |
372 | than 64 will cause the use of a CPU mask array, causing a small | |
373 | performance hit. | |
374 | ||
375 | config HOTPLUG_CPU | |
48a9240c KC |
376 | bool "Support for hot-pluggable CPUs" |
377 | depends on SMP | |
1da177e4 LT |
378 | default n |
379 | ---help--- | |
380 | Say Y here to experiment with turning CPUs off and on. CPUs | |
381 | can be controlled through /sys/devices/system/cpu/cpu#. | |
382 | Say N if you want to disable CPU hotplug. | |
383 | ||
cc57637b YG |
384 | config ARCH_ENABLE_MEMORY_HOTPLUG |
385 | def_bool y | |
386 | ||
0c0e6195 KH |
387 | config ARCH_ENABLE_MEMORY_HOTREMOVE |
388 | def_bool y | |
389 | ||
7a9bdd88 SS |
390 | config SCHED_SMT |
391 | bool "SMT scheduler support" | |
392 | depends on SMP | |
7a9bdd88 SS |
393 | help |
394 | Improves the CPU scheduler's decision making when dealing with | |
395 | Intel IA64 chips with MultiThreading at a cost of slightly increased | |
396 | overhead in some places. If unsure say N here. | |
397 | ||
ff741906 AR |
398 | config PERMIT_BSP_REMOVE |
399 | bool "Support removal of Bootstrap Processor" | |
400 | depends on HOTPLUG_CPU | |
401 | default n | |
402 | ---help--- | |
403 | Say Y here if your platform SAL will support removal of BSP with HOTPLUG_CPU | |
404 | support. | |
405 | ||
406 | config FORCE_CPEI_RETARGET | |
25985edc | 407 | bool "Force assumption that CPEI can be re-targeted" |
ff741906 AR |
408 | depends on PERMIT_BSP_REMOVE |
409 | default n | |
410 | ---help--- | |
25985edc | 411 | Say Y if you need to force the assumption that CPEI can be re-targeted to |
ff741906 AR |
412 | any cpu in the system. This hint is available via ACPI 3.0 specifications. |
413 | Tiger4 systems are capable of re-directing CPEI to any CPU other than BSP. | |
414 | This option it useful to enable this feature on older BIOS's as well. | |
415 | You can also enable this by using boot command line option force_cpei=1. | |
416 | ||
0b0517a4 | 417 | source "kernel/Kconfig.preempt" |
1da177e4 | 418 | |
3f22ab27 DH |
419 | source "mm/Kconfig" |
420 | ||
da9577c5 BP |
421 | config ARCH_SELECT_MEMORY_MODEL |
422 | def_bool y | |
423 | ||
424 | config ARCH_DISCONTIGMEM_ENABLE | |
425 | def_bool y | |
426 | help | |
427 | Say Y to support efficient handling of discontiguous physical memory, | |
428 | for architectures which are either NUMA (Non-Uniform Memory Access) | |
429 | or have huge holes in the physical address space for other reasons. | |
430 | See <file:Documentation/vm/numa> for more. | |
431 | ||
432 | config ARCH_FLATMEM_ENABLE | |
433 | def_bool y | |
434 | ||
435 | config ARCH_SPARSEMEM_ENABLE | |
436 | def_bool y | |
437 | depends on ARCH_DISCONTIGMEM_ENABLE | |
ef229c5a | 438 | select SPARSEMEM_VMEMMAP_ENABLE |
da9577c5 BP |
439 | |
440 | config ARCH_DISCONTIGMEM_DEFAULT | |
441 | def_bool y if (IA64_SGI_SN2 || IA64_GENERIC || IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB) | |
442 | depends on ARCH_DISCONTIGMEM_ENABLE | |
443 | ||
444 | config NUMA | |
445 | bool "NUMA support" | |
446 | depends on !IA64_HP_SIM && !FLATMEM | |
447 | default y if IA64_SGI_SN2 | |
6c33eb39 | 448 | select ACPI_NUMA if ACPI |
da9577c5 BP |
449 | help |
450 | Say Y to compile the kernel to support NUMA (Non-Uniform Memory | |
451 | Access). This option is for configuring high-end multiprocessor | |
452 | server systems. If in doubt, say N. | |
453 | ||
c80d79d7 YG |
454 | config NODES_SHIFT |
455 | int "Max num nodes shift(3-10)" | |
456 | range 3 10 | |
c57d68ca | 457 | default "10" |
c80d79d7 YG |
458 | depends on NEED_MULTIPLE_NODES |
459 | help | |
460 | This option specifies the maximum number of nodes in your SSI system. | |
461 | MAX_NUMNODES will be 2^(This value). | |
462 | If in doubt, use the default. | |
463 | ||
da9577c5 BP |
464 | # VIRTUAL_MEM_MAP and FLAT_NODE_MEM_MAP are functionally equivalent. |
465 | # VIRTUAL_MEM_MAP has been retained for historical reasons. | |
466 | config VIRTUAL_MEM_MAP | |
467 | bool "Virtual mem map" | |
468 | depends on !SPARSEMEM | |
469 | default y if !IA64_HP_SIM | |
470 | help | |
471 | Say Y to compile the kernel with support for a virtual mem map. | |
472 | This code also only takes effect if a memory hole of greater than | |
473 | 1 Gb is found during boot. You must turn this option on if you | |
474 | require the DISCONTIGMEM option for your machine. If you are | |
475 | unsure, say Y. | |
476 | ||
477 | config HOLES_IN_ZONE | |
478 | bool | |
479 | default y if VIRTUAL_MEM_MAP | |
480 | ||
481 | config HAVE_ARCH_EARLY_PFN_TO_NID | |
334f85b6 | 482 | def_bool NUMA && SPARSEMEM |
da9577c5 | 483 | |
10ad400b YG |
484 | config HAVE_ARCH_NODEDATA_EXTENSION |
485 | def_bool y | |
486 | depends on NUMA | |
487 | ||
3bccd996 LS |
488 | config USE_PERCPU_NUMA_NODE_ID |
489 | def_bool y | |
490 | depends on NUMA | |
491 | ||
fd1197f1 | 492 | config HAVE_MEMORYLESS_NODES |
25106000 | 493 | def_bool NUMA |
fd1197f1 | 494 | |
9492587c KH |
495 | config ARCH_PROC_KCORE_TEXT |
496 | def_bool y | |
497 | depends on PROC_KCORE | |
498 | ||
1da177e4 LT |
499 | config IA64_MCA_RECOVERY |
500 | tristate "MCA recovery from errors other than TLB." | |
501 | ||
502 | config PERFMON | |
503 | bool "Performance monitor support" | |
504 | help | |
505 | Selects whether support for the IA-64 performance monitor hardware | |
506 | is included in the kernel. This makes some kernel data-structures a | |
507 | little bigger and slows down execution a bit, but it is generally | |
508 | a good idea to turn this on. If you're unsure, say Y. | |
509 | ||
510 | config IA64_PALINFO | |
511 | tristate "/proc/pal support" | |
512 | help | |
513 | If you say Y here, you are able to get PAL (Processor Abstraction | |
514 | Layer) information in /proc/pal. This contains useful information | |
515 | about the processors in your systems, such as cache and TLB sizes | |
516 | and the PAL firmware version in use. | |
517 | ||
518 | To use this option, you have to ensure that the "/proc file system | |
519 | support" (CONFIG_PROC_FS) is enabled, too. | |
520 | ||
e9ef08bd FY |
521 | config IA64_MC_ERR_INJECT |
522 | tristate "MC error injection support" | |
523 | help | |
01dd2fbf ML |
524 | Adds support for MC error injection. If enabled, the kernel |
525 | will provide a sysfs interface for user applications to | |
526 | call MC error injection PAL procedures to inject various errors. | |
e9ef08bd FY |
527 | This is a useful tool for MCA testing. |
528 | ||
529 | If you're unsure, do not select this option. | |
530 | ||
466575f4 JS |
531 | config SGI_SN |
532 | def_bool y if (IA64_SGI_SN2 || IA64_GENERIC) | |
533 | ||
2ab561a1 DMT |
534 | config IA64_ESI |
535 | bool "ESI (Extensible SAL Interface) support" | |
536 | help | |
537 | If you say Y here, support is built into the kernel to | |
538 | make ESI calls. ESI calls are used to support vendor-specific | |
539 | firmware extensions, such as the ability to inject memory-errors | |
540 | for test-purposes. If you're unsure, say N. | |
541 | ||
28eda5b8 BH |
542 | config IA64_HP_AML_NFW |
543 | bool "Support ACPI AML calls to native firmware" | |
544 | help | |
545 | This driver installs a global ACPI Operation Region handler for | |
546 | region 0xA1. AML methods can use this OpRegion to call arbitrary | |
547 | native firmware functions. The driver installs the OpRegion | |
548 | handler if there is an HPQ5001 device or if the user supplies | |
549 | the "force" module parameter, e.g., with the "aml_nfw.force" | |
550 | kernel command line option. | |
551 | ||
c1311af1 BC |
552 | source "drivers/sn/Kconfig" |
553 | ||
a7956113 | 554 | config KEXEC |
48a9240c KC |
555 | bool "kexec system call" |
556 | depends on !IA64_HP_SIM && (!SMP || HOTPLUG_CPU) | |
a7956113 ZN |
557 | help |
558 | kexec is a system call that implements the ability to shutdown your | |
559 | current kernel, and to start another kernel. It is like a reboot | |
3dde6ad8 | 560 | but it is independent of the system firmware. And like a reboot |
a7956113 ZN |
561 | you can start any kernel with it, not just Linux. |
562 | ||
01dd2fbf | 563 | The name comes from the similarity to the exec system call. |
a7956113 ZN |
564 | |
565 | It is an ongoing process to be certain the hardware in a machine | |
566 | is properly shutdown, so do not be surprised if this code does not | |
bf220695 GU |
567 | initially work for you. As of this writing the exact hardware |
568 | interface is strongly in flux, so no good recommendation can be | |
569 | made. | |
a7956113 ZN |
570 | |
571 | config CRASH_DUMP | |
fb86611f BW |
572 | bool "kernel crash dumps" |
573 | depends on IA64_MCA_RECOVERY && !IA64_HP_SIM && (!SMP || HOTPLUG_CPU) | |
a7956113 ZN |
574 | help |
575 | Generate crash dump after being started by kexec. | |
576 | ||
1da177e4 LT |
577 | source "drivers/firmware/Kconfig" |
578 | ||
579 | source "fs/Kconfig.binfmt" | |
580 | ||
581 | endmenu | |
582 | ||
1547a012 | 583 | menu "Power management and ACPI options" |
1da177e4 | 584 | |
eb7b6b32 | 585 | source "kernel/power/Kconfig" |
1da177e4 LT |
586 | |
587 | source "drivers/acpi/Kconfig" | |
588 | ||
4db8699b | 589 | if PM |
ab423e43 VK |
590 | menu "CPU Frequency scaling" |
591 | source "drivers/cpufreq/Kconfig" | |
592 | endmenu | |
4db8699b VP |
593 | endif |
594 | ||
1da177e4 LT |
595 | endmenu |
596 | ||
597 | if !IA64_HP_SIM | |
598 | ||
599 | menu "Bus options (PCI, PCMCIA)" | |
600 | ||
601 | config PCI | |
602 | bool "PCI support" | |
603 | help | |
85f265d8 CH |
604 | Real IA-64 machines all have PCI/PCI-X/PCI Express busses. Say Y |
605 | here unless you are using a simulator without PCI support. | |
1da177e4 LT |
606 | |
607 | config PCI_DOMAINS | |
36e23590 MW |
608 | def_bool PCI |
609 | ||
610 | config PCI_SYSCALL | |
611 | def_bool PCI | |
1da177e4 | 612 | |
b7bb575c KK |
613 | source "drivers/pci/pcie/Kconfig" |
614 | ||
1da177e4 LT |
615 | source "drivers/pci/Kconfig" |
616 | ||
617 | source "drivers/pci/hotplug/Kconfig" | |
618 | ||
619 | source "drivers/pcmcia/Kconfig" | |
620 | ||
621 | endmenu | |
622 | ||
623 | endif | |
624 | ||
d5950b43 SR |
625 | source "net/Kconfig" |
626 | ||
1da177e4 LT |
627 | source "drivers/Kconfig" |
628 | ||
1547a012 BH |
629 | source "arch/ia64/hp/sim/Kconfig" |
630 | ||
1a4b0fc5 JS |
631 | config MSPEC |
632 | tristate "Memory special operations driver" | |
633 | depends on IA64 | |
634 | select IA64_UNCACHED_ALLOCATOR | |
635 | help | |
636 | If you have an ia64 and you want to enable memory special | |
637 | operations support (formerly known as fetchop), say Y here, | |
638 | otherwise say N. | |
639 | ||
1da177e4 LT |
640 | source "fs/Kconfig" |
641 | ||
1547a012 BH |
642 | source "arch/ia64/Kconfig.debug" |
643 | ||
644 | source "security/Kconfig" | |
645 | ||
646 | source "crypto/Kconfig" | |
647 | ||
b693919c XZ |
648 | source "arch/ia64/kvm/Kconfig" |
649 | ||
1da177e4 LT |
650 | source "lib/Kconfig" |
651 | ||
b34eb53c | 652 | config IOMMU_HELPER |
a8522509 | 653 | def_bool (IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB || IA64_GENERIC || SWIOTLB) |