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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#
2# For a description of the syntax of this configuration file,
3# see Documentation/kbuild/kconfig-language.txt.
4#
5
6mainmenu "IA-64 Linux Kernel Configuration"
7
8source "init/Kconfig"
9
Matt Helsleydc52ddc2008-10-18 20:27:21 -070010source "kernel/Kconfig.freezer"
11
Linus Torvalds1da177e2005-04-16 15:20:36 -070012menu "Processor type and features"
13
14config IA64
15 bool
Len Brown06f87ad2007-01-26 00:38:53 -050016 select PCI if (!IA64_HP_SIM)
17 select ACPI if (!IA64_HP_SIM)
Len Brown8140a902007-03-16 22:00:43 -040018 select PM if (!IA64_HP_SIM)
Dan Williamsf282b972007-04-18 18:46:20 +100019 select ARCH_SUPPORTS_MSI
Tony Luck0773a6c2009-01-15 10:29:17 -080020 select HAVE_UNSTABLE_SCHED_CLOCK
Sam Ravnborgec7748b2008-02-09 10:46:40 +010021 select HAVE_IDE
Mathieu Desnoyers42d4b832008-02-02 15:10:34 -050022 select HAVE_OPROFILE
Mathieu Desnoyers3f550092008-02-02 15:10:35 -050023 select HAVE_KPROBES
Ananth N Mavinakayanahalli9edddaa2008-03-04 14:28:37 -080024 select HAVE_KRETPROBES
Shaohua Lia14a07b2009-01-09 11:29:49 +080025 select HAVE_FTRACE_MCOUNT_RECORD
26 select HAVE_DYNAMIC_FTRACE if (!ITANIUM)
Shaohua Lid3e75ff2009-01-09 11:29:46 +080027 select HAVE_FUNCTION_TRACER
Arthur Kepner74bc7ce2008-04-29 01:00:30 -070028 select HAVE_DMA_ATTRS
Xiantao Zhangb6939192008-03-28 14:58:47 +080029 select HAVE_KVM
Shaohua Li9690ad02008-10-01 13:57:14 -070030 select HAVE_ARCH_TRACEHOOK
FUJITA Tomonori99162192009-06-17 16:28:14 -070031 select HAVE_DMA_API_DEBUG
Linus Torvalds1da177e2005-04-16 15:20:36 -070032 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
39config 64BIT
40 bool
Zhang, Yanmin9f271d52007-02-09 11:29:51 +080041 select ATA_NONSTANDARD if ATA
Linus Torvalds1da177e2005-04-16 15:20:36 -070042 default y
43
Christoph Lameter66701b12007-02-10 01:43:09 -080044config ZONE_DMA
Christoph Lameter09ae1f52007-02-10 01:43:11 -080045 def_bool y
46 depends on !IA64_SGI_SN2
Christoph Lameter66701b12007-02-10 01:43:09 -080047
Christoph Lameter2bd62a42007-05-10 22:42:53 -070048config QUICKLIST
49 bool
50 default y
51
Linus Torvalds1da177e2005-04-16 15:20:36 -070052config MMU
53 bool
54 default y
55
FUJITA Tomonori66ed5ef2010-03-10 15:23:25 -080056config NEED_DMA_MAP_STATE
57 def_bool y
58
FUJITA Tomonori18e98302010-05-26 14:44:32 -070059config NEED_SG_DMA_LENGTH
60 def_bool y
61
John W. Linville6c654b52005-09-29 14:42:42 -070062config SWIOTLB
63 bool
John W. Linville6c654b52005-09-29 14:42:42 -070064
Nick Piggin95c354f2008-01-30 13:31:20 +010065config GENERIC_LOCKBREAK
Tony Luck2c869632009-09-25 08:42:16 -070066 def_bool n
Nick Piggin95c354f2008-01-30 13:31:20 +010067
Linus Torvalds1da177e2005-04-16 15:20:36 -070068config RWSEM_XCHGADD_ALGORITHM
69 bool
70 default y
71
Mel Gormand9c23402007-10-16 01:26:01 -070072config HUGETLB_PAGE_SIZE_VARIABLE
73 bool
74 depends on HUGETLB_PAGE
75 default y
76
Akinobu Mita2875aef2006-03-26 01:39:25 -080077config GENERIC_FIND_NEXT_BIT
78 bool
79 default y
80
Linus Torvalds1da177e2005-04-16 15:20:36 -070081config GENERIC_CALIBRATE_DELAY
82 bool
83 default y
84
Tony Luck0aa366f2007-07-20 11:22:30 -070085config GENERIC_TIME
86 bool
87 default y
88
89config GENERIC_TIME_VSYSCALL
Linus Torvalds1da177e2005-04-16 15:20:36 -070090 bool
91 default y
92
travis@sgi.com988c3882008-01-30 23:27:58 +010093config HAVE_SETUP_PER_CPU_AREA
travis@sgi.comb32ef632008-01-30 13:32:51 +010094 def_bool y
95
Matt Domsch3ed3bce2006-03-26 01:37:03 -080096config DMI
97 bool
98 default y
99
Linus Torvalds1da177e2005-04-16 15:20:36 -0700100config EFI
101 bool
102 default y
103
104config GENERIC_IOMAP
105 bool
106 default y
107
Ingo Molnarae1e9132008-11-11 09:05:16 +0100108config SCHED_OMIT_FRAME_POINTER
Anton Blanchard7d12e522005-05-05 16:15:11 -0700109 bool
110 default y
111
Jes Sorensenf14f75b2005-06-21 17:15:02 -0700112config IA64_UNCACHED_ALLOCATOR
113 bool
114 select GENERIC_ALLOCATOR
115
Venkatesh Pallipadi46cf98c2009-07-10 09:57:37 -0700116config ARCH_USES_PG_UNCACHED
117 def_bool y
118 depends on IA64_UNCACHED_ALLOCATOR
119
Al Viroe65e1fc2006-09-12 03:04:40 -0400120config AUDIT_ARCH
121 bool
122 default y
123
Isaku Yamahataba9cc322008-10-17 11:18:11 +0900124menuconfig PARAVIRT_GUEST
125 bool "Paravirtualized guest support"
126 help
127 Say Y here to get to see options related to running Linux under
128 various hypervisors. This option alone does not add any kernel code.
129
130 If you say N, all options in this submenu will be skipped and disabled.
131
132if PARAVIRT_GUEST
133
134config PARAVIRT
135 bool "Enable paravirtualization code"
136 depends on PARAVIRT_GUEST
137 default y
138 bool
139 default y
140 help
141 This changes the kernel so it can modify itself when it is run
142 under a hypervisor, potentially improving performance significantly
143 over full virtualization. However, when run without a hypervisor
144 the kernel is theoretically slower and slightly larger.
145
146
147source "arch/ia64/xen/Kconfig"
148
149endif
150
Linus Torvalds1da177e2005-04-16 15:20:36 -0700151choice
152 prompt "System type"
153 default IA64_GENERIC
154
155config IA64_GENERIC
156 bool "generic"
157 select NUMA
158 select ACPI_NUMA
Jan Beulichd1598e02007-01-03 09:26:21 +0000159 select SWIOTLB
Fenghua Yu62fdd762008-10-17 12:14:13 -0700160 select PCI_MSI
Tony Luckf2b3fdc2008-11-03 13:54:52 -0800161 select DMAR
Linus Torvalds1da177e2005-04-16 15:20:36 -0700162 help
163 This selects the system type of your hardware. A "generic" kernel
164 will run on any supported IA-64 system. However, if you configure
165 a kernel for your specific system, it will be faster and smaller.
166
167 generic For any supported IA-64 system
168 DIG-compliant For DIG ("Developer's Interface Guide") compliant systems
Fenghua Yu62fdd762008-10-17 12:14:13 -0700169 DIG+Intel+IOMMU For DIG systems with Intel IOMMU
Linus Torvalds1da177e2005-04-16 15:20:36 -0700170 HP-zx1/sx1000 For HP systems
171 HP-zx1/sx1000+swiotlb For HP systems with (broken) DMA-constrained devices.
172 SGI-SN2 For SGI Altix systems
Jack Steiner22246612008-05-06 15:18:57 -0500173 SGI-UV For SGI UV systems
Linus Torvalds1da177e2005-04-16 15:20:36 -0700174 Ski-simulator For the HP simulator <http://www.hpl.hp.com/research/linux/ski/>
Isaku Yamahataba9cc322008-10-17 11:18:11 +0900175 Xen-domU For xen domU system
Linus Torvalds1da177e2005-04-16 15:20:36 -0700176
177 If you don't know what to do, choose "generic".
178
179config IA64_DIG
180 bool "DIG-compliant"
Jan Beulichd1598e02007-01-03 09:26:21 +0000181 select SWIOTLB
Linus Torvalds1da177e2005-04-16 15:20:36 -0700182
Fenghua Yu62fdd762008-10-17 12:14:13 -0700183config IA64_DIG_VTD
184 bool "DIG+Intel+IOMMU"
185 select DMAR
186 select PCI_MSI
187
Linus Torvalds1da177e2005-04-16 15:20:36 -0700188config IA64_HP_ZX1
189 bool "HP-zx1/sx1000"
190 help
191 Build a kernel that runs on HP zx1 and sx1000 systems. This adds
192 support for the HP I/O MMU.
193
194config IA64_HP_ZX1_SWIOTLB
195 bool "HP-zx1/sx1000 with software I/O TLB"
Jan Beulichd1598e02007-01-03 09:26:21 +0000196 select SWIOTLB
Linus Torvalds1da177e2005-04-16 15:20:36 -0700197 help
198 Build a kernel that runs on HP zx1 and sx1000 systems even when they
199 have broken PCI devices which cannot DMA to full 32 bits. Apart
200 from support for the HP I/O MMU, this includes support for the software
201 I/O TLB, which allows supporting the broken devices at the expense of
202 wasting some kernel memory (about 2MB by default).
203
204config IA64_SGI_SN2
205 bool "SGI-SN2"
Jes Sorensenbd3be242008-02-11 15:10:19 +0100206 select NUMA
207 select ACPI_NUMA
Linus Torvalds1da177e2005-04-16 15:20:36 -0700208 help
209 Selecting this option will optimize the kernel for use on sn2 based
210 systems, but the resulting kernel binary will not run on other
211 types of ia64 systems. If you have an SGI Altix system, it's safe
212 to select this option. If in doubt, select ia64 generic support
213 instead.
214
Jack Steiner3351ab92008-07-31 07:52:50 -0500215config IA64_SGI_UV
216 bool "SGI-UV"
Jack Steiner22246612008-05-06 15:18:57 -0500217 select NUMA
218 select ACPI_NUMA
219 select SWIOTLB
220 help
221 Selecting this option will optimize the kernel for use on UV based
222 systems, but the resulting kernel binary will not run on other
223 types of ia64 systems. If you have an SGI UV system, it's safe
224 to select this option. If in doubt, select ia64 generic support
225 instead.
226
Linus Torvalds1da177e2005-04-16 15:20:36 -0700227config IA64_HP_SIM
228 bool "Ski-simulator"
Jan Beulichd1598e02007-01-03 09:26:21 +0000229 select SWIOTLB
Linus Torvalds1da177e2005-04-16 15:20:36 -0700230
Isaku Yamahataba9cc322008-10-17 11:18:11 +0900231config IA64_XEN_GUEST
232 bool "Xen guest"
Isaku Yamahata1d5b20f2009-01-16 12:17:30 +0900233 select SWIOTLB
Isaku Yamahataba9cc322008-10-17 11:18:11 +0900234 depends on XEN
Isaku Yamahata1d5b20f2009-01-16 12:17:30 +0900235 help
236 Build a kernel that runs on Xen guest domain. At this moment only
237 16KB page size in supported.
Isaku Yamahataba9cc322008-10-17 11:18:11 +0900238
Linus Torvalds1da177e2005-04-16 15:20:36 -0700239endchoice
240
241choice
242 prompt "Processor type"
243 default ITANIUM
244
245config ITANIUM
246 bool "Itanium"
247 help
248 Select your IA-64 processor type. The default is Itanium.
249 This choice is safe for all IA-64 systems, but may not perform
250 optimally on systems with, say, Itanium 2 or newer processors.
251
252config MCKINLEY
253 bool "Itanium 2"
254 help
255 Select this to configure for an Itanium 2 (McKinley) processor.
256
257endchoice
258
259choice
260 prompt "Kernel page size"
261 default IA64_PAGE_SIZE_16KB
262
263config IA64_PAGE_SIZE_4KB
264 bool "4KB"
265 help
266 This lets you select the page size of the kernel. For best IA-64
267 performance, a page size of 8KB or 16KB is recommended. For best
268 IA-32 compatibility, a page size of 4KB should be selected (the vast
269 majority of IA-32 binaries work perfectly fine with a larger page
270 size). For Itanium 2 or newer systems, a page size of 64KB can also
271 be selected.
272
273 4KB For best IA-32 compatibility
274 8KB For best IA-64 performance
275 16KB For best IA-64 performance
276 64KB Requires Itanium 2 or newer processor.
277
278 If you don't know what to do, choose 16KB.
279
280config IA64_PAGE_SIZE_8KB
281 bool "8KB"
282
283config IA64_PAGE_SIZE_16KB
284 bool "16KB"
285
286config IA64_PAGE_SIZE_64KB
287 depends on !ITANIUM
288 bool "64KB"
289
290endchoice
291
Robin Holt837cd0b2005-11-11 09:35:43 -0600292choice
293 prompt "Page Table Levels"
294 default PGTABLE_3
295
296config PGTABLE_3
297 bool "3 Levels"
298
299config PGTABLE_4
300 depends on !IA64_PAGE_SIZE_64KB
301 bool "4 Levels"
302
303endchoice
304
Tony Luck10d0aa32008-02-11 13:23:46 -0800305if IA64_HP_SIM
306config HZ
307 default 32
308endif
309
310if !IA64_HP_SIM
Christoph Lameterb5d23e52005-06-23 00:08:27 -0700311source kernel/Kconfig.hz
Tony Luck10d0aa32008-02-11 13:23:46 -0800312endif
Christoph Lameterb5d23e52005-06-23 00:08:27 -0700313
Linus Torvalds1da177e2005-04-16 15:20:36 -0700314config IA64_BRL_EMU
315 bool
316 depends on ITANIUM
317 default y
318
319# align cache-sensitive data to 128 bytes
320config IA64_L1_CACHE_SHIFT
321 int
322 default "7" if MCKINLEY
323 default "6" if ITANIUM
324
Linus Torvalds1da177e2005-04-16 15:20:36 -0700325config IA64_CYCLONE
326 bool "Cyclone (EXA) Time Source support"
327 help
328 Say Y here to enable support for IBM EXA Cyclone time source.
329 If you're unsure, answer N.
330
331config IOSAPIC
332 bool
333 depends on !IA64_HP_SIM
334 default y
335
Linus Torvalds1da177e2005-04-16 15:20:36 -0700336config FORCE_MAX_ZONEORDER
Bob Piccoda9577c2005-10-04 15:13:37 -0400337 int "MAX_ORDER (11 - 17)" if !HUGETLB_PAGE
338 range 11 17 if !HUGETLB_PAGE
339 default "17" if HUGETLB_PAGE
340 default "11"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700341
Hidetoshi Setob64f34c2008-01-29 14:27:30 +0900342config VIRT_CPU_ACCOUNTING
343 bool "Deterministic task and CPU time accounting"
344 default n
345 help
346 Select this option to enable more accurate task and CPU time
347 accounting. This is done by reading a CPU counter on each
348 kernel entry and exit and on transitions within the kernel
349 between system, softirq and hardirq state, so there is a
350 small performance impact.
351 If in doubt, say N here.
352
Linus Torvalds1da177e2005-04-16 15:20:36 -0700353config SMP
354 bool "Symmetric multi-processing support"
Jens Axboef27b4332008-06-26 11:22:30 +0200355 select USE_GENERIC_SMP_HELPERS
Linus Torvalds1da177e2005-04-16 15:20:36 -0700356 help
357 This enables support for systems with more than one CPU. If you have
358 a system with only one CPU, say N. If you have a system with more
359 than one CPU, say Y.
360
361 If you say N here, the kernel will run on single and multiprocessor
362 systems, but will use only one CPU of a multiprocessor system. If
363 you say Y here, the kernel will run on many, but not all,
364 single processor systems. On a single processor system, the kernel
365 will run faster if you say N here.
366
Adrian Bunk03502fa2008-02-03 15:50:21 +0200367 See also the SMP-HOWTO available at
368 <http://www.tldp.org/docs.html#howto>.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700369
370 If you don't know what to do here, say N.
371
372config NR_CPUS
Robin Holtd1339df2008-08-02 13:29:24 -0500373 int "Maximum number of CPUs (2-4096)"
374 range 2 4096
Linus Torvalds1da177e2005-04-16 15:20:36 -0700375 depends on SMP
Robin Holtd1339df2008-08-02 13:29:24 -0500376 default "4096"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700377 help
378 You should set this to the number of CPUs in your system, but
379 keep in mind that a kernel compiled for, e.g., 2 CPUs will boot but
380 only use 2 CPUs on a >2 CPU system. Setting this to a value larger
381 than 64 will cause the use of a CPU mask array, causing a small
382 performance hit.
383
384config HOTPLUG_CPU
385 bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
386 depends on SMP && EXPERIMENTAL
387 select HOTPLUG
388 default n
389 ---help---
390 Say Y here to experiment with turning CPUs off and on. CPUs
391 can be controlled through /sys/devices/system/cpu/cpu#.
392 Say N if you want to disable CPU hotplug.
393
Yasunori Gotocc576372006-06-29 02:24:27 -0700394config ARCH_ENABLE_MEMORY_HOTPLUG
395 def_bool y
396
KAMEZAWA Hiroyuki0c0e6192007-10-16 01:26:12 -0700397config ARCH_ENABLE_MEMORY_HOTREMOVE
398 def_bool y
399
Suresh Siddha7a9bdd82005-04-05 18:05:00 -0700400config SCHED_SMT
401 bool "SMT scheduler support"
402 depends on SMP
Suresh Siddha7a9bdd82005-04-05 18:05:00 -0700403 help
404 Improves the CPU scheduler's decision making when dealing with
405 Intel IA64 chips with MultiThreading at a cost of slightly increased
406 overhead in some places. If unsure say N here.
407
Ashok Rajff741902005-11-11 14:32:40 -0800408config PERMIT_BSP_REMOVE
409 bool "Support removal of Bootstrap Processor"
410 depends on HOTPLUG_CPU
411 default n
412 ---help---
413 Say Y here if your platform SAL will support removal of BSP with HOTPLUG_CPU
414 support.
415
416config FORCE_CPEI_RETARGET
417 bool "Force assumption that CPEI can be re-targetted"
418 depends on PERMIT_BSP_REMOVE
419 default n
420 ---help---
421 Say Y if you need to force the assumption that CPEI can be re-targetted to
422 any cpu in the system. This hint is available via ACPI 3.0 specifications.
423 Tiger4 systems are capable of re-directing CPEI to any CPU other than BSP.
424 This option it useful to enable this feature on older BIOS's as well.
425 You can also enable this by using boot command line option force_cpei=1.
426
Satyam Sharma0b0517a42007-08-13 23:41:45 +0530427source "kernel/Kconfig.preempt"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700428
Dave Hansen3f22ab22005-06-23 00:07:43 -0700429source "mm/Kconfig"
430
Bob Piccoda9577c2005-10-04 15:13:37 -0400431config ARCH_SELECT_MEMORY_MODEL
432 def_bool y
433
434config ARCH_DISCONTIGMEM_ENABLE
435 def_bool y
436 help
437 Say Y to support efficient handling of discontiguous physical memory,
438 for architectures which are either NUMA (Non-Uniform Memory Access)
439 or have huge holes in the physical address space for other reasons.
440 See <file:Documentation/vm/numa> for more.
441
442config ARCH_FLATMEM_ENABLE
443 def_bool y
444
445config ARCH_SPARSEMEM_ENABLE
446 def_bool y
447 depends on ARCH_DISCONTIGMEM_ENABLE
Christoph Lameteref229c52007-10-16 01:24:15 -0700448 select SPARSEMEM_VMEMMAP_ENABLE
Bob Piccoda9577c2005-10-04 15:13:37 -0400449
450config ARCH_DISCONTIGMEM_DEFAULT
451 def_bool y if (IA64_SGI_SN2 || IA64_GENERIC || IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB)
452 depends on ARCH_DISCONTIGMEM_ENABLE
453
454config NUMA
455 bool "NUMA support"
456 depends on !IA64_HP_SIM && !FLATMEM
457 default y if IA64_SGI_SN2
KAMEZAWA Hiroyuki6c33eb32006-11-08 17:44:50 -0800458 select ACPI_NUMA if ACPI
Bob Piccoda9577c2005-10-04 15:13:37 -0400459 help
460 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
461 Access). This option is for configuring high-end multiprocessor
462 server systems. If in doubt, say N.
463
Yasunori Gotoc80d79d2006-04-10 22:53:53 -0700464config NODES_SHIFT
465 int "Max num nodes shift(3-10)"
466 range 3 10
Christoph Lameterc57d68c2006-08-22 19:43:27 -0700467 default "10"
Yasunori Gotoc80d79d2006-04-10 22:53:53 -0700468 depends on NEED_MULTIPLE_NODES
469 help
470 This option specifies the maximum number of nodes in your SSI system.
471 MAX_NUMNODES will be 2^(This value).
472 If in doubt, use the default.
473
Mel Gorman05e0caa2006-09-27 01:49:54 -0700474config ARCH_POPULATES_NODE_MAP
475 def_bool y
476
Bob Piccoda9577c2005-10-04 15:13:37 -0400477# VIRTUAL_MEM_MAP and FLAT_NODE_MEM_MAP are functionally equivalent.
478# VIRTUAL_MEM_MAP has been retained for historical reasons.
479config VIRTUAL_MEM_MAP
480 bool "Virtual mem map"
481 depends on !SPARSEMEM
482 default y if !IA64_HP_SIM
483 help
484 Say Y to compile the kernel with support for a virtual mem map.
485 This code also only takes effect if a memory hole of greater than
486 1 Gb is found during boot. You must turn this option on if you
487 require the DISCONTIGMEM option for your machine. If you are
488 unsure, say Y.
489
490config HOLES_IN_ZONE
491 bool
492 default y if VIRTUAL_MEM_MAP
493
494config HAVE_ARCH_EARLY_PFN_TO_NID
Tony Luck334f85b62009-02-19 11:22:36 -0800495 def_bool NUMA && SPARSEMEM
Bob Piccoda9577c2005-10-04 15:13:37 -0400496
Yasunori Goto10ad4002006-06-27 02:53:33 -0700497config HAVE_ARCH_NODEDATA_EXTENSION
498 def_bool y
499 depends on NUMA
500
Lee Schermerhorn3bccd992010-05-26 14:44:59 -0700501config USE_PERCPU_NUMA_NODE_ID
502 def_bool y
503 depends on NUMA
504
Lee Schermerhornfd1197f2010-05-26 14:45:01 -0700505config HAVE_MEMORYLESS_NODES
506 def_bool y
507 depends on NUMA
508
KAMEZAWA Hiroyuki94925872009-09-22 16:45:45 -0700509config ARCH_PROC_KCORE_TEXT
510 def_bool y
511 depends on PROC_KCORE
512
Linus Torvalds1da177e2005-04-16 15:20:36 -0700513config IA64_MCA_RECOVERY
514 tristate "MCA recovery from errors other than TLB."
515
516config 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
524config 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
Fenghua Yue9ef08b2006-12-08 16:06:01 -0800535config IA64_MC_ERR_INJECT
536 tristate "MC error injection support"
537 help
Matt LaPlante01dd2fb2007-10-20 01:34:40 +0200538 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.
Fenghua Yue9ef08b2006-12-08 16:06:01 -0800541 This is a useful tool for MCA testing.
542
543 If you're unsure, do not select this option.
544
Jes Sorensen466575f2006-01-19 04:54:00 -0500545config SGI_SN
546 def_bool y if (IA64_SGI_SN2 || IA64_GENERIC)
547
David Mosberger-Tang2ab561a2006-06-21 11:19:22 -0700548config 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
Bjorn Helgaas28eda5b2007-09-20 14:22:03 -0600556config 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
Brent Casavantc1311af2006-04-20 15:38:16 -0500566source "drivers/sn/Kconfig"
567
Zou Nan haia79561132006-12-07 09:51:35 -0800568config 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
David Sterba3dde6ad2007-05-09 07:12:20 +0200574 but it is independent of the system firmware. And like a reboot
Zou Nan haia79561132006-12-07 09:51:35 -0800575 you can start any kernel with it, not just Linux.
576
Matt LaPlante01dd2fb2007-10-20 01:34:40 +0200577 The name comes from the similarity to the exec system call.
Zou Nan haia79561132006-12-07 09:51:35 -0800578
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
585config CRASH_DUMP
Bernhard Wallefb866112008-06-26 14:53:11 +0200586 bool "kernel crash dumps"
587 depends on IA64_MCA_RECOVERY && !IA64_HP_SIM && (!SMP || HOTPLUG_CPU)
Zou Nan haia79561132006-12-07 09:51:35 -0800588 help
589 Generate crash dump after being started by kexec.
590
Linus Torvalds1da177e2005-04-16 15:20:36 -0700591source "drivers/firmware/Kconfig"
592
593source "fs/Kconfig.binfmt"
594
595endmenu
596
Bjorn Helgaas1547a012008-11-06 10:53:54 -0600597menu "Power management and ACPI options"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700598
Len Browneb7b6b32005-08-25 12:08:25 -0400599source "kernel/power/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700600
601source "drivers/acpi/Kconfig"
602
Venkatesh Pallipadi4db86992005-07-29 16:15:00 -0700603if PM
604
605source "arch/ia64/kernel/cpufreq/Kconfig"
606
607endif
608
Linus Torvalds1da177e2005-04-16 15:20:36 -0700609endmenu
610
611if !IA64_HP_SIM
612
613menu "Bus options (PCI, PCMCIA)"
614
615config PCI
616 bool "PCI support"
617 help
Christoph Hellwig85f265d2005-08-09 13:38:00 -0700618 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.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700620
621config PCI_DOMAINS
Matthew Wilcox36e23592007-07-10 10:54:40 -0600622 def_bool PCI
623
624config PCI_SYSCALL
625 def_bool PCI
Linus Torvalds1da177e2005-04-16 15:20:36 -0700626
Kenji Kaneshigeb7bb5752006-04-28 11:50:43 +0900627source "drivers/pci/pcie/Kconfig"
628
Linus Torvalds1da177e2005-04-16 15:20:36 -0700629source "drivers/pci/Kconfig"
630
631source "drivers/pci/hotplug/Kconfig"
632
633source "drivers/pcmcia/Kconfig"
634
Fenghua Yu62fdd762008-10-17 12:14:13 -0700635config 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
Kyle McMartin6b1ff032009-02-14 04:11:29 -0500645config 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
Linus Torvalds1da177e2005-04-16 15:20:36 -0700656endmenu
657
658endif
659
Sam Ravnborgd5950b42005-07-11 21:03:49 -0700660source "net/Kconfig"
661
Linus Torvalds1da177e2005-04-16 15:20:36 -0700662source "drivers/Kconfig"
663
Bjorn Helgaas1547a012008-11-06 10:53:54 -0600664source "arch/ia64/hp/sim/Kconfig"
665
Jes Sorensen1a4b0fc2006-11-10 12:27:49 -0800666config 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
Linus Torvalds1da177e2005-04-16 15:20:36 -0700675source "fs/Kconfig"
676
Bjorn Helgaas1547a012008-11-06 10:53:54 -0600677source "arch/ia64/Kconfig.debug"
678
679source "security/Kconfig"
680
681source "crypto/Kconfig"
682
Xiantao Zhangb6939192008-03-28 14:58:47 +0800683source "arch/ia64/kvm/Kconfig"
684
Linus Torvalds1da177e2005-04-16 15:20:36 -0700685source "lib/Kconfig"
686
687#
688# Use the generic interrupt handling code in kernel/irq/:
689#
690config GENERIC_HARDIRQS
691 bool
692 default y
693
694config GENERIC_IRQ_PROBE
695 bool
696 default y
697
Ashok Raj54d5d422005-09-06 15:16:15 -0700698config GENERIC_PENDING_IRQ
699 bool
700 depends on GENERIC_HARDIRQS && SMP
701 default y
702
Ingo Molnar0d7012a2006-06-29 02:24:43 -0700703config IRQ_PER_CPU
704 bool
705 default y
706
FUJITA Tomonorib34eb532008-03-28 14:27:03 -0700707config IOMMU_HELPER
FUJITA Tomonoria8522502008-04-29 00:59:36 -0700708 def_bool (IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB || IA64_GENERIC || SWIOTLB)
Joerg Roedel1aaf1182008-11-26 17:25:13 +0100709
710config IOMMU_API
711 def_bool (DMAR)