blob: 27489b6dd5334a2297b24c69536293935728afa3 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001source "init/Kconfig"
2
Matt Helsleydc52ddc2008-10-18 20:27:21 -07003source "kernel/Kconfig.freezer"
4
Linus Torvalds1da177e2005-04-16 15:20:36 -07005menu "Processor type and features"
6
7config IA64
8 bool
Len Brown06f87ad2007-01-26 00:38:53 -05009 select PCI if (!IA64_HP_SIM)
10 select ACPI if (!IA64_HP_SIM)
Len Brown8140a902007-03-16 22:00:43 -040011 select PM if (!IA64_HP_SIM)
Dan Williamsf282b972007-04-18 18:46:20 +100012 select ARCH_SUPPORTS_MSI
Tony Luck0773a6c2009-01-15 10:29:17 -080013 select HAVE_UNSTABLE_SCHED_CLOCK
Sam Ravnborgec7748b2008-02-09 10:46:40 +010014 select HAVE_IDE
Mathieu Desnoyers42d4b832008-02-02 15:10:34 -050015 select HAVE_OPROFILE
Mathieu Desnoyers3f550092008-02-02 15:10:35 -050016 select HAVE_KPROBES
Ananth N Mavinakayanahalli9edddaa2008-03-04 14:28:37 -080017 select HAVE_KRETPROBES
Shaohua Lia14a07b2009-01-09 11:29:49 +080018 select HAVE_FTRACE_MCOUNT_RECORD
19 select HAVE_DYNAMIC_FTRACE if (!ITANIUM)
Shaohua Lid3e75ff2009-01-09 11:29:46 +080020 select HAVE_FUNCTION_TRACER
Arthur Kepner74bc7ce2008-04-29 01:00:30 -070021 select HAVE_DMA_ATTRS
Xiantao Zhangb6939192008-03-28 14:58:47 +080022 select HAVE_KVM
Shaohua Li9690ad02008-10-01 13:57:14 -070023 select HAVE_ARCH_TRACEHOOK
FUJITA Tomonori99162192009-06-17 16:28:14 -070024 select HAVE_DMA_API_DEBUG
Thomas Gleixnerc5e66122011-01-19 20:32:46 +010025 select HAVE_GENERIC_HARDIRQS
26 select GENERIC_IRQ_PROBE
27 select GENERIC_PENDING_IRQ if SMP
28 select IRQ_PER_CPU
Thomas Gleixnere3d78122011-03-25 21:04:38 +010029 select GENERIC_IRQ_SHOW
Mark Brownbadc1442011-06-01 21:25:47 +010030 select ARCH_WANT_OPTIONAL_GPIOLIB
Huang Yingdf013ff2011-07-13 13:14:22 +080031 select ARCH_HAVE_NMI_SAFE_CMPXCHG
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 Tomonorie33621a2010-10-01 14:15:27 -070056config ARCH_DMA_ADDR_T_64BIT
57 def_bool y
58
FUJITA Tomonori66ed5ef2010-03-10 15:23:25 -080059config NEED_DMA_MAP_STATE
60 def_bool y
61
FUJITA Tomonori18e98302010-05-26 14:44:32 -070062config NEED_SG_DMA_LENGTH
63 def_bool y
64
John W. Linville6c654b52005-09-29 14:42:42 -070065config SWIOTLB
66 bool
John W. Linville6c654b52005-09-29 14:42:42 -070067
Tony Luck85718fa2010-09-23 13:52:07 -070068config STACKTRACE_SUPPORT
69 def_bool y
70
Nick Piggin95c354f2008-01-30 13:31:20 +010071config GENERIC_LOCKBREAK
Tony Luck2c869632009-09-25 08:42:16 -070072 def_bool n
Nick Piggin95c354f2008-01-30 13:31:20 +010073
Linus Torvalds1da177e2005-04-16 15:20:36 -070074config RWSEM_XCHGADD_ALGORITHM
75 bool
76 default y
77
Mel Gormand9c23402007-10-16 01:26:01 -070078config HUGETLB_PAGE_SIZE_VARIABLE
79 bool
80 depends on HUGETLB_PAGE
81 default y
82
Linus Torvalds1da177e2005-04-16 15:20:36 -070083config GENERIC_CALIBRATE_DELAY
84 bool
85 default y
86
Tony Luck0aa366f2007-07-20 11:22:30 -070087config GENERIC_TIME_VSYSCALL
Linus Torvalds1da177e2005-04-16 15:20:36 -070088 bool
89 default y
90
travis@sgi.com988c3882008-01-30 23:27:58 +010091config HAVE_SETUP_PER_CPU_AREA
travis@sgi.comb32ef632008-01-30 13:32:51 +010092 def_bool y
93
Mark Brownbadc1442011-06-01 21:25:47 +010094config GENERIC_GPIO
Ben Hutchings95488692011-09-01 05:46:00 +010095 bool
Mark Brownbadc1442011-06-01 21:25:47 +010096
Matt Domsch3ed3bce2006-03-26 01:37:03 -080097config DMI
98 bool
99 default y
100
Linus Torvalds1da177e2005-04-16 15:20:36 -0700101config EFI
102 bool
103 default y
104
105config GENERIC_IOMAP
106 bool
107 default y
108
H. Peter Anvinae7bd112011-07-21 13:34:05 -0700109config ARCH_CLOCKSOURCE_DATA
110 def_bool y
111
Ingo Molnarae1e9132008-11-11 09:05:16 +0100112config SCHED_OMIT_FRAME_POINTER
Anton Blanchard7d12e522005-05-05 16:15:11 -0700113 bool
114 default y
115
Jes Sorensenf14f75b2005-06-21 17:15:02 -0700116config IA64_UNCACHED_ALLOCATOR
117 bool
118 select GENERIC_ALLOCATOR
119
Venkatesh Pallipadi46cf98c2009-07-10 09:57:37 -0700120config ARCH_USES_PG_UNCACHED
121 def_bool y
122 depends on IA64_UNCACHED_ALLOCATOR
123
Al Viroe65e1fc2006-09-12 03:04:40 -0400124config AUDIT_ARCH
125 bool
126 default y
127
Isaku Yamahataba9cc322008-10-17 11:18:11 +0900128menuconfig PARAVIRT_GUEST
129 bool "Paravirtualized guest support"
130 help
131 Say Y here to get to see options related to running Linux under
132 various hypervisors. This option alone does not add any kernel code.
133
134 If you say N, all options in this submenu will be skipped and disabled.
135
136if PARAVIRT_GUEST
137
138config PARAVIRT
139 bool "Enable paravirtualization code"
140 depends on PARAVIRT_GUEST
141 default y
142 bool
143 default y
144 help
145 This changes the kernel so it can modify itself when it is run
146 under a hypervisor, potentially improving performance significantly
147 over full virtualization. However, when run without a hypervisor
148 the kernel is theoretically slower and slightly larger.
149
150
151source "arch/ia64/xen/Kconfig"
152
153endif
154
Linus Torvalds1da177e2005-04-16 15:20:36 -0700155choice
156 prompt "System type"
157 default IA64_GENERIC
158
159config IA64_GENERIC
160 bool "generic"
161 select NUMA
162 select ACPI_NUMA
Jan Beulichd1598e02007-01-03 09:26:21 +0000163 select SWIOTLB
Fenghua Yu62fdd762008-10-17 12:14:13 -0700164 select PCI_MSI
Linus Torvalds1da177e2005-04-16 15:20:36 -0700165 help
166 This selects the system type of your hardware. A "generic" kernel
167 will run on any supported IA-64 system. However, if you configure
168 a kernel for your specific system, it will be faster and smaller.
169
170 generic For any supported IA-64 system
171 DIG-compliant For DIG ("Developer's Interface Guide") compliant systems
Fenghua Yu62fdd762008-10-17 12:14:13 -0700172 DIG+Intel+IOMMU For DIG systems with Intel IOMMU
Linus Torvalds1da177e2005-04-16 15:20:36 -0700173 HP-zx1/sx1000 For HP systems
174 HP-zx1/sx1000+swiotlb For HP systems with (broken) DMA-constrained devices.
175 SGI-SN2 For SGI Altix systems
Jack Steiner22246612008-05-06 15:18:57 -0500176 SGI-UV For SGI UV systems
Linus Torvalds1da177e2005-04-16 15:20:36 -0700177 Ski-simulator For the HP simulator <http://www.hpl.hp.com/research/linux/ski/>
Isaku Yamahataba9cc322008-10-17 11:18:11 +0900178 Xen-domU For xen domU system
Linus Torvalds1da177e2005-04-16 15:20:36 -0700179
180 If you don't know what to do, choose "generic".
181
182config IA64_DIG
183 bool "DIG-compliant"
Jan Beulichd1598e02007-01-03 09:26:21 +0000184 select SWIOTLB
Linus Torvalds1da177e2005-04-16 15:20:36 -0700185
Fenghua Yu62fdd762008-10-17 12:14:13 -0700186config IA64_DIG_VTD
187 bool "DIG+Intel+IOMMU"
188 select DMAR
189 select PCI_MSI
190
Linus Torvalds1da177e2005-04-16 15:20:36 -0700191config IA64_HP_ZX1
192 bool "HP-zx1/sx1000"
193 help
194 Build a kernel that runs on HP zx1 and sx1000 systems. This adds
195 support for the HP I/O MMU.
196
197config IA64_HP_ZX1_SWIOTLB
198 bool "HP-zx1/sx1000 with software I/O TLB"
Jan Beulichd1598e02007-01-03 09:26:21 +0000199 select SWIOTLB
Linus Torvalds1da177e2005-04-16 15:20:36 -0700200 help
201 Build a kernel that runs on HP zx1 and sx1000 systems even when they
202 have broken PCI devices which cannot DMA to full 32 bits. Apart
203 from support for the HP I/O MMU, this includes support for the software
204 I/O TLB, which allows supporting the broken devices at the expense of
205 wasting some kernel memory (about 2MB by default).
206
207config IA64_SGI_SN2
208 bool "SGI-SN2"
Jes Sorensenbd3be242008-02-11 15:10:19 +0100209 select NUMA
210 select ACPI_NUMA
Linus Torvalds1da177e2005-04-16 15:20:36 -0700211 help
212 Selecting this option will optimize the kernel for use on sn2 based
213 systems, but the resulting kernel binary will not run on other
214 types of ia64 systems. If you have an SGI Altix system, it's safe
215 to select this option. If in doubt, select ia64 generic support
216 instead.
217
Jack Steiner3351ab92008-07-31 07:52:50 -0500218config IA64_SGI_UV
219 bool "SGI-UV"
Jack Steiner22246612008-05-06 15:18:57 -0500220 select NUMA
221 select ACPI_NUMA
222 select SWIOTLB
223 help
224 Selecting this option will optimize the kernel for use on UV based
225 systems, but the resulting kernel binary will not run on other
226 types of ia64 systems. If you have an SGI UV system, it's safe
227 to select this option. If in doubt, select ia64 generic support
228 instead.
229
Linus Torvalds1da177e2005-04-16 15:20:36 -0700230config IA64_HP_SIM
231 bool "Ski-simulator"
Jan Beulichd1598e02007-01-03 09:26:21 +0000232 select SWIOTLB
Linus Torvalds1da177e2005-04-16 15:20:36 -0700233
Isaku Yamahataba9cc322008-10-17 11:18:11 +0900234config IA64_XEN_GUEST
235 bool "Xen guest"
Isaku Yamahata1d5b20f2009-01-16 12:17:30 +0900236 select SWIOTLB
Isaku Yamahataba9cc322008-10-17 11:18:11 +0900237 depends on XEN
Isaku Yamahata1d5b20f2009-01-16 12:17:30 +0900238 help
239 Build a kernel that runs on Xen guest domain. At this moment only
240 16KB page size in supported.
Isaku Yamahataba9cc322008-10-17 11:18:11 +0900241
Linus Torvalds1da177e2005-04-16 15:20:36 -0700242endchoice
243
244choice
245 prompt "Processor type"
246 default ITANIUM
247
248config ITANIUM
249 bool "Itanium"
250 help
251 Select your IA-64 processor type. The default is Itanium.
252 This choice is safe for all IA-64 systems, but may not perform
253 optimally on systems with, say, Itanium 2 or newer processors.
254
255config MCKINLEY
256 bool "Itanium 2"
257 help
258 Select this to configure for an Itanium 2 (McKinley) processor.
259
260endchoice
261
262choice
263 prompt "Kernel page size"
264 default IA64_PAGE_SIZE_16KB
265
266config IA64_PAGE_SIZE_4KB
267 bool "4KB"
268 help
269 This lets you select the page size of the kernel. For best IA-64
270 performance, a page size of 8KB or 16KB is recommended. For best
271 IA-32 compatibility, a page size of 4KB should be selected (the vast
272 majority of IA-32 binaries work perfectly fine with a larger page
273 size). For Itanium 2 or newer systems, a page size of 64KB can also
274 be selected.
275
276 4KB For best IA-32 compatibility
277 8KB For best IA-64 performance
278 16KB For best IA-64 performance
279 64KB Requires Itanium 2 or newer processor.
280
281 If you don't know what to do, choose 16KB.
282
283config IA64_PAGE_SIZE_8KB
284 bool "8KB"
285
286config IA64_PAGE_SIZE_16KB
287 bool "16KB"
288
289config IA64_PAGE_SIZE_64KB
290 depends on !ITANIUM
291 bool "64KB"
292
293endchoice
294
Robin Holt837cd0b2005-11-11 09:35:43 -0600295choice
296 prompt "Page Table Levels"
297 default PGTABLE_3
298
299config PGTABLE_3
300 bool "3 Levels"
301
302config PGTABLE_4
303 depends on !IA64_PAGE_SIZE_64KB
304 bool "4 Levels"
305
306endchoice
307
Tony Luck10d0aa32008-02-11 13:23:46 -0800308if IA64_HP_SIM
309config HZ
310 default 32
311endif
312
313if !IA64_HP_SIM
Christoph Lameterb5d23e52005-06-23 00:08:27 -0700314source kernel/Kconfig.hz
Tony Luck10d0aa32008-02-11 13:23:46 -0800315endif
Christoph Lameterb5d23e52005-06-23 00:08:27 -0700316
Linus Torvalds1da177e2005-04-16 15:20:36 -0700317config IA64_BRL_EMU
318 bool
319 depends on ITANIUM
320 default y
321
322# align cache-sensitive data to 128 bytes
323config IA64_L1_CACHE_SHIFT
324 int
325 default "7" if MCKINLEY
326 default "6" if ITANIUM
327
Linus Torvalds1da177e2005-04-16 15:20:36 -0700328config IA64_CYCLONE
329 bool "Cyclone (EXA) Time Source support"
330 help
331 Say Y here to enable support for IBM EXA Cyclone time source.
332 If you're unsure, answer N.
333
334config IOSAPIC
335 bool
336 depends on !IA64_HP_SIM
337 default y
338
Linus Torvalds1da177e2005-04-16 15:20:36 -0700339config FORCE_MAX_ZONEORDER
Bob Piccoda9577c2005-10-04 15:13:37 -0400340 int "MAX_ORDER (11 - 17)" if !HUGETLB_PAGE
341 range 11 17 if !HUGETLB_PAGE
342 default "17" if HUGETLB_PAGE
343 default "11"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700344
Hidetoshi Setob64f34c2008-01-29 14:27:30 +0900345config VIRT_CPU_ACCOUNTING
346 bool "Deterministic task and CPU time accounting"
347 default n
348 help
349 Select this option to enable more accurate task and CPU time
350 accounting. This is done by reading a CPU counter on each
351 kernel entry and exit and on transitions within the kernel
352 between system, softirq and hardirq state, so there is a
353 small performance impact.
354 If in doubt, say N here.
355
Linus Torvalds1da177e2005-04-16 15:20:36 -0700356config SMP
357 bool "Symmetric multi-processing support"
Jens Axboef27b4332008-06-26 11:22:30 +0200358 select USE_GENERIC_SMP_HELPERS
Linus Torvalds1da177e2005-04-16 15:20:36 -0700359 help
360 This enables support for systems with more than one CPU. If you have
361 a system with only one CPU, say N. If you have a system with more
362 than one CPU, say Y.
363
364 If you say N here, the kernel will run on single and multiprocessor
365 systems, but will use only one CPU of a multiprocessor system. If
366 you say Y here, the kernel will run on many, but not all,
367 single processor systems. On a single processor system, the kernel
368 will run faster if you say N here.
369
Adrian Bunk03502fa2008-02-03 15:50:21 +0200370 See also the SMP-HOWTO available at
371 <http://www.tldp.org/docs.html#howto>.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700372
373 If you don't know what to do here, say N.
374
375config NR_CPUS
Robin Holtd1339df2008-08-02 13:29:24 -0500376 int "Maximum number of CPUs (2-4096)"
377 range 2 4096
Linus Torvalds1da177e2005-04-16 15:20:36 -0700378 depends on SMP
Robin Holtd1339df2008-08-02 13:29:24 -0500379 default "4096"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700380 help
381 You should set this to the number of CPUs in your system, but
382 keep in mind that a kernel compiled for, e.g., 2 CPUs will boot but
383 only use 2 CPUs on a >2 CPU system. Setting this to a value larger
384 than 64 will cause the use of a CPU mask array, causing a small
385 performance hit.
386
387config HOTPLUG_CPU
388 bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
389 depends on SMP && EXPERIMENTAL
390 select HOTPLUG
391 default n
392 ---help---
393 Say Y here to experiment with turning CPUs off and on. CPUs
394 can be controlled through /sys/devices/system/cpu/cpu#.
395 Say N if you want to disable CPU hotplug.
396
Yasunori Gotocc576372006-06-29 02:24:27 -0700397config ARCH_ENABLE_MEMORY_HOTPLUG
398 def_bool y
399
KAMEZAWA Hiroyuki0c0e6192007-10-16 01:26:12 -0700400config ARCH_ENABLE_MEMORY_HOTREMOVE
401 def_bool y
402
Suresh Siddha7a9bdd82005-04-05 18:05:00 -0700403config SCHED_SMT
404 bool "SMT scheduler support"
405 depends on SMP
Suresh Siddha7a9bdd82005-04-05 18:05:00 -0700406 help
407 Improves the CPU scheduler's decision making when dealing with
408 Intel IA64 chips with MultiThreading at a cost of slightly increased
409 overhead in some places. If unsure say N here.
410
Ashok Rajff741902005-11-11 14:32:40 -0800411config PERMIT_BSP_REMOVE
412 bool "Support removal of Bootstrap Processor"
413 depends on HOTPLUG_CPU
414 default n
415 ---help---
416 Say Y here if your platform SAL will support removal of BSP with HOTPLUG_CPU
417 support.
418
419config FORCE_CPEI_RETARGET
Lucas De Marchi25985ed2011-03-30 22:57:33 -0300420 bool "Force assumption that CPEI can be re-targeted"
Ashok Rajff741902005-11-11 14:32:40 -0800421 depends on PERMIT_BSP_REMOVE
422 default n
423 ---help---
Lucas De Marchi25985ed2011-03-30 22:57:33 -0300424 Say Y if you need to force the assumption that CPEI can be re-targeted to
Ashok Rajff741902005-11-11 14:32:40 -0800425 any cpu in the system. This hint is available via ACPI 3.0 specifications.
426 Tiger4 systems are capable of re-directing CPEI to any CPU other than BSP.
427 This option it useful to enable this feature on older BIOS's as well.
428 You can also enable this by using boot command line option force_cpei=1.
429
Satyam Sharma0b0517a42007-08-13 23:41:45 +0530430source "kernel/Kconfig.preempt"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700431
Dave Hansen3f22ab22005-06-23 00:07:43 -0700432source "mm/Kconfig"
433
Bob Piccoda9577c2005-10-04 15:13:37 -0400434config ARCH_SELECT_MEMORY_MODEL
435 def_bool y
436
437config ARCH_DISCONTIGMEM_ENABLE
438 def_bool y
439 help
440 Say Y to support efficient handling of discontiguous physical memory,
441 for architectures which are either NUMA (Non-Uniform Memory Access)
442 or have huge holes in the physical address space for other reasons.
443 See <file:Documentation/vm/numa> for more.
444
445config ARCH_FLATMEM_ENABLE
446 def_bool y
447
448config ARCH_SPARSEMEM_ENABLE
449 def_bool y
450 depends on ARCH_DISCONTIGMEM_ENABLE
Christoph Lameteref229c52007-10-16 01:24:15 -0700451 select SPARSEMEM_VMEMMAP_ENABLE
Bob Piccoda9577c2005-10-04 15:13:37 -0400452
453config ARCH_DISCONTIGMEM_DEFAULT
454 def_bool y if (IA64_SGI_SN2 || IA64_GENERIC || IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB)
455 depends on ARCH_DISCONTIGMEM_ENABLE
456
457config NUMA
458 bool "NUMA support"
459 depends on !IA64_HP_SIM && !FLATMEM
460 default y if IA64_SGI_SN2
KAMEZAWA Hiroyuki6c33eb32006-11-08 17:44:50 -0800461 select ACPI_NUMA if ACPI
Bob Piccoda9577c2005-10-04 15:13:37 -0400462 help
463 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
464 Access). This option is for configuring high-end multiprocessor
465 server systems. If in doubt, say N.
466
Yasunori Gotoc80d79d2006-04-10 22:53:53 -0700467config NODES_SHIFT
468 int "Max num nodes shift(3-10)"
469 range 3 10
Christoph Lameterc57d68c2006-08-22 19:43:27 -0700470 default "10"
Yasunori Gotoc80d79d2006-04-10 22:53:53 -0700471 depends on NEED_MULTIPLE_NODES
472 help
473 This option specifies the maximum number of nodes in your SSI system.
474 MAX_NUMNODES will be 2^(This value).
475 If in doubt, use the default.
476
Mel Gorman05e0caa2006-09-27 01:49:54 -0700477config ARCH_POPULATES_NODE_MAP
478 def_bool y
479
Bob Piccoda9577c2005-10-04 15:13:37 -0400480# VIRTUAL_MEM_MAP and FLAT_NODE_MEM_MAP are functionally equivalent.
481# VIRTUAL_MEM_MAP has been retained for historical reasons.
482config VIRTUAL_MEM_MAP
483 bool "Virtual mem map"
484 depends on !SPARSEMEM
485 default y if !IA64_HP_SIM
486 help
487 Say Y to compile the kernel with support for a virtual mem map.
488 This code also only takes effect if a memory hole of greater than
489 1 Gb is found during boot. You must turn this option on if you
490 require the DISCONTIGMEM option for your machine. If you are
491 unsure, say Y.
492
493config HOLES_IN_ZONE
494 bool
495 default y if VIRTUAL_MEM_MAP
496
497config HAVE_ARCH_EARLY_PFN_TO_NID
Tony Luck334f85b62009-02-19 11:22:36 -0800498 def_bool NUMA && SPARSEMEM
Bob Piccoda9577c2005-10-04 15:13:37 -0400499
Yasunori Goto10ad4002006-06-27 02:53:33 -0700500config HAVE_ARCH_NODEDATA_EXTENSION
501 def_bool y
502 depends on NUMA
503
Lee Schermerhorn3bccd992010-05-26 14:44:59 -0700504config USE_PERCPU_NUMA_NODE_ID
505 def_bool y
506 depends on NUMA
507
Lee Schermerhornfd1197f2010-05-26 14:45:01 -0700508config HAVE_MEMORYLESS_NODES
Lee Schermerhorn25106002010-08-09 17:19:00 -0700509 def_bool NUMA
Lee Schermerhornfd1197f2010-05-26 14:45:01 -0700510
KAMEZAWA Hiroyuki94925872009-09-22 16:45:45 -0700511config ARCH_PROC_KCORE_TEXT
512 def_bool y
513 depends on PROC_KCORE
514
Linus Torvalds1da177e2005-04-16 15:20:36 -0700515config IA64_MCA_RECOVERY
516 tristate "MCA recovery from errors other than TLB."
517
518config PERFMON
519 bool "Performance monitor support"
520 help
521 Selects whether support for the IA-64 performance monitor hardware
522 is included in the kernel. This makes some kernel data-structures a
523 little bigger and slows down execution a bit, but it is generally
524 a good idea to turn this on. If you're unsure, say Y.
525
526config IA64_PALINFO
527 tristate "/proc/pal support"
528 help
529 If you say Y here, you are able to get PAL (Processor Abstraction
530 Layer) information in /proc/pal. This contains useful information
531 about the processors in your systems, such as cache and TLB sizes
532 and the PAL firmware version in use.
533
534 To use this option, you have to ensure that the "/proc file system
535 support" (CONFIG_PROC_FS) is enabled, too.
536
Fenghua Yue9ef08b2006-12-08 16:06:01 -0800537config IA64_MC_ERR_INJECT
538 tristate "MC error injection support"
539 help
Matt LaPlante01dd2fb2007-10-20 01:34:40 +0200540 Adds support for MC error injection. If enabled, the kernel
541 will provide a sysfs interface for user applications to
542 call MC error injection PAL procedures to inject various errors.
Fenghua Yue9ef08b2006-12-08 16:06:01 -0800543 This is a useful tool for MCA testing.
544
545 If you're unsure, do not select this option.
546
Jes Sorensen466575f2006-01-19 04:54:00 -0500547config SGI_SN
548 def_bool y if (IA64_SGI_SN2 || IA64_GENERIC)
549
David Mosberger-Tang2ab561a2006-06-21 11:19:22 -0700550config IA64_ESI
551 bool "ESI (Extensible SAL Interface) support"
552 help
553 If you say Y here, support is built into the kernel to
554 make ESI calls. ESI calls are used to support vendor-specific
555 firmware extensions, such as the ability to inject memory-errors
556 for test-purposes. If you're unsure, say N.
557
Bjorn Helgaas28eda5b2007-09-20 14:22:03 -0600558config IA64_HP_AML_NFW
559 bool "Support ACPI AML calls to native firmware"
560 help
561 This driver installs a global ACPI Operation Region handler for
562 region 0xA1. AML methods can use this OpRegion to call arbitrary
563 native firmware functions. The driver installs the OpRegion
564 handler if there is an HPQ5001 device or if the user supplies
565 the "force" module parameter, e.g., with the "aml_nfw.force"
566 kernel command line option.
567
Brent Casavantc1311af2006-04-20 15:38:16 -0500568source "drivers/sn/Kconfig"
569
Zou Nan haia79561132006-12-07 09:51:35 -0800570config KEXEC
571 bool "kexec system call (EXPERIMENTAL)"
572 depends on EXPERIMENTAL && !IA64_HP_SIM && (!SMP || HOTPLUG_CPU)
573 help
574 kexec is a system call that implements the ability to shutdown your
575 current kernel, and to start another kernel. It is like a reboot
David Sterba3dde6ad2007-05-09 07:12:20 +0200576 but it is independent of the system firmware. And like a reboot
Zou Nan haia79561132006-12-07 09:51:35 -0800577 you can start any kernel with it, not just Linux.
578
Matt LaPlante01dd2fb2007-10-20 01:34:40 +0200579 The name comes from the similarity to the exec system call.
Zou Nan haia79561132006-12-07 09:51:35 -0800580
581 It is an ongoing process to be certain the hardware in a machine
582 is properly shutdown, so do not be surprised if this code does not
583 initially work for you. It may help to enable device hotplugging
584 support. As of this writing the exact hardware interface is
585 strongly in flux, so no good recommendation can be made.
586
587config CRASH_DUMP
Bernhard Wallefb866112008-06-26 14:53:11 +0200588 bool "kernel crash dumps"
589 depends on IA64_MCA_RECOVERY && !IA64_HP_SIM && (!SMP || HOTPLUG_CPU)
Zou Nan haia79561132006-12-07 09:51:35 -0800590 help
591 Generate crash dump after being started by kexec.
592
Linus Torvalds1da177e2005-04-16 15:20:36 -0700593source "drivers/firmware/Kconfig"
594
595source "fs/Kconfig.binfmt"
596
597endmenu
598
Bjorn Helgaas1547a012008-11-06 10:53:54 -0600599menu "Power management and ACPI options"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700600
Len Browneb7b6b32005-08-25 12:08:25 -0400601source "kernel/power/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700602
603source "drivers/acpi/Kconfig"
604
Venkatesh Pallipadi4db86992005-07-29 16:15:00 -0700605if PM
606
607source "arch/ia64/kernel/cpufreq/Kconfig"
608
609endif
610
Linus Torvalds1da177e2005-04-16 15:20:36 -0700611endmenu
612
613if !IA64_HP_SIM
614
615menu "Bus options (PCI, PCMCIA)"
616
617config PCI
618 bool "PCI support"
619 help
Christoph Hellwig85f265d2005-08-09 13:38:00 -0700620 Real IA-64 machines all have PCI/PCI-X/PCI Express busses. Say Y
621 here unless you are using a simulator without PCI support.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700622
623config PCI_DOMAINS
Matthew Wilcox36e23592007-07-10 10:54:40 -0600624 def_bool PCI
625
626config PCI_SYSCALL
627 def_bool PCI
Linus Torvalds1da177e2005-04-16 15:20:36 -0700628
Kenji Kaneshigeb7bb5752006-04-28 11:50:43 +0900629source "drivers/pci/pcie/Kconfig"
630
Linus Torvalds1da177e2005-04-16 15:20:36 -0700631source "drivers/pci/Kconfig"
632
633source "drivers/pci/hotplug/Kconfig"
634
635source "drivers/pcmcia/Kconfig"
636
637endmenu
638
639endif
640
Sam Ravnborgd5950b42005-07-11 21:03:49 -0700641source "net/Kconfig"
642
Linus Torvalds1da177e2005-04-16 15:20:36 -0700643source "drivers/Kconfig"
644
Bjorn Helgaas1547a012008-11-06 10:53:54 -0600645source "arch/ia64/hp/sim/Kconfig"
646
Jes Sorensen1a4b0fc2006-11-10 12:27:49 -0800647config MSPEC
648 tristate "Memory special operations driver"
649 depends on IA64
650 select IA64_UNCACHED_ALLOCATOR
651 help
652 If you have an ia64 and you want to enable memory special
653 operations support (formerly known as fetchop), say Y here,
654 otherwise say N.
655
Linus Torvalds1da177e2005-04-16 15:20:36 -0700656source "fs/Kconfig"
657
Bjorn Helgaas1547a012008-11-06 10:53:54 -0600658source "arch/ia64/Kconfig.debug"
659
660source "security/Kconfig"
661
662source "crypto/Kconfig"
663
Xiantao Zhangb6939192008-03-28 14:58:47 +0800664source "arch/ia64/kvm/Kconfig"
665
Linus Torvalds1da177e2005-04-16 15:20:36 -0700666source "lib/Kconfig"
667
FUJITA Tomonorib34eb532008-03-28 14:27:03 -0700668config IOMMU_HELPER
FUJITA Tomonoria8522502008-04-29 00:59:36 -0700669 def_bool (IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB || IA64_GENERIC || SWIOTLB)