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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
Arthur Kepner74bc7ce2008-04-29 01:00:30 -070025 select HAVE_DMA_ATTRS
Xiantao Zhangb6939192008-03-28 14:58:47 +080026 select HAVE_KVM
Shaohua Li9690ad02008-10-01 13:57:14 -070027 select HAVE_ARCH_TRACEHOOK
Linus Torvalds1da177e2005-04-16 15:20:36 -070028 default y
29 help
30 The Itanium Processor Family is Intel's 64-bit successor to
31 the 32-bit X86 line. The IA-64 Linux project has a home
32 page at <http://www.linuxia64.org/> and a mailing list at
33 <linux-ia64@vger.kernel.org>.
34
35config 64BIT
36 bool
Zhang, Yanmin9f271d52007-02-09 11:29:51 +080037 select ATA_NONSTANDARD if ATA
Linus Torvalds1da177e2005-04-16 15:20:36 -070038 default y
39
Christoph Lameter66701b12007-02-10 01:43:09 -080040config ZONE_DMA
Christoph Lameter09ae1f52007-02-10 01:43:11 -080041 def_bool y
42 depends on !IA64_SGI_SN2
Christoph Lameter66701b12007-02-10 01:43:09 -080043
Christoph Lameter2bd62a42007-05-10 22:42:53 -070044config QUICKLIST
45 bool
46 default y
47
Linus Torvalds1da177e2005-04-16 15:20:36 -070048config MMU
49 bool
50 default y
51
John W. Linville6c654b52005-09-29 14:42:42 -070052config SWIOTLB
53 bool
John W. Linville6c654b52005-09-29 14:42:42 -070054
FUJITA Tomonoria8522502008-04-29 00:59:36 -070055config IOMMU_HELPER
56 bool
57
Nick Piggin95c354f2008-01-30 13:31:20 +010058config GENERIC_LOCKBREAK
59 bool
60 default y
61 depends on SMP && PREEMPT
62
Linus Torvalds1da177e2005-04-16 15:20:36 -070063config RWSEM_XCHGADD_ALGORITHM
64 bool
65 default y
66
Mel Gormand9c23402007-10-16 01:26:01 -070067config HUGETLB_PAGE_SIZE_VARIABLE
68 bool
69 depends on HUGETLB_PAGE
70 default y
71
Akinobu Mita2875aef2006-03-26 01:39:25 -080072config GENERIC_FIND_NEXT_BIT
73 bool
74 default y
75
Linus Torvalds1da177e2005-04-16 15:20:36 -070076config GENERIC_CALIBRATE_DELAY
77 bool
78 default y
79
Tony Luck0aa366f2007-07-20 11:22:30 -070080config GENERIC_TIME
81 bool
82 default y
83
84config GENERIC_TIME_VSYSCALL
Linus Torvalds1da177e2005-04-16 15:20:36 -070085 bool
86 default y
87
travis@sgi.com988c3882008-01-30 23:27:58 +010088config HAVE_SETUP_PER_CPU_AREA
travis@sgi.comb32ef632008-01-30 13:32:51 +010089 def_bool y
90
Matt Domsch3ed3bce2006-03-26 01:37:03 -080091config DMI
92 bool
93 default y
94
Linus Torvalds1da177e2005-04-16 15:20:36 -070095config EFI
96 bool
97 default y
98
99config GENERIC_IOMAP
100 bool
101 default y
102
Ingo Molnarae1e9132008-11-11 09:05:16 +0100103config SCHED_OMIT_FRAME_POINTER
Anton Blanchard7d12e522005-05-05 16:15:11 -0700104 bool
105 default y
106
Jes Sorensenf14f75b2005-06-21 17:15:02 -0700107config IA64_UNCACHED_ALLOCATOR
108 bool
109 select GENERIC_ALLOCATOR
110
Al Viroe65e1fc2006-09-12 03:04:40 -0400111config AUDIT_ARCH
112 bool
113 default y
114
Isaku Yamahataba9cc322008-10-17 11:18:11 +0900115menuconfig PARAVIRT_GUEST
116 bool "Paravirtualized guest support"
117 help
118 Say Y here to get to see options related to running Linux under
119 various hypervisors. This option alone does not add any kernel code.
120
121 If you say N, all options in this submenu will be skipped and disabled.
122
123if PARAVIRT_GUEST
124
125config PARAVIRT
126 bool "Enable paravirtualization code"
127 depends on PARAVIRT_GUEST
128 default y
129 bool
130 default y
131 help
132 This changes the kernel so it can modify itself when it is run
133 under a hypervisor, potentially improving performance significantly
134 over full virtualization. However, when run without a hypervisor
135 the kernel is theoretically slower and slightly larger.
136
137
138source "arch/ia64/xen/Kconfig"
139
140endif
141
Linus Torvalds1da177e2005-04-16 15:20:36 -0700142choice
143 prompt "System type"
144 default IA64_GENERIC
145
146config IA64_GENERIC
147 bool "generic"
148 select NUMA
149 select ACPI_NUMA
Jan Beulichd1598e02007-01-03 09:26:21 +0000150 select SWIOTLB
Fenghua Yu62fdd762008-10-17 12:14:13 -0700151 select PCI_MSI
Tony Luckf2b3fdc2008-11-03 13:54:52 -0800152 select DMAR
Linus Torvalds1da177e2005-04-16 15:20:36 -0700153 help
154 This selects the system type of your hardware. A "generic" kernel
155 will run on any supported IA-64 system. However, if you configure
156 a kernel for your specific system, it will be faster and smaller.
157
158 generic For any supported IA-64 system
159 DIG-compliant For DIG ("Developer's Interface Guide") compliant systems
Fenghua Yu62fdd762008-10-17 12:14:13 -0700160 DIG+Intel+IOMMU For DIG systems with Intel IOMMU
Linus Torvalds1da177e2005-04-16 15:20:36 -0700161 HP-zx1/sx1000 For HP systems
162 HP-zx1/sx1000+swiotlb For HP systems with (broken) DMA-constrained devices.
163 SGI-SN2 For SGI Altix systems
Jack Steiner22246612008-05-06 15:18:57 -0500164 SGI-UV For SGI UV systems
Linus Torvalds1da177e2005-04-16 15:20:36 -0700165 Ski-simulator For the HP simulator <http://www.hpl.hp.com/research/linux/ski/>
Isaku Yamahataba9cc322008-10-17 11:18:11 +0900166 Xen-domU For xen domU system
Linus Torvalds1da177e2005-04-16 15:20:36 -0700167
168 If you don't know what to do, choose "generic".
169
170config IA64_DIG
171 bool "DIG-compliant"
Jan Beulichd1598e02007-01-03 09:26:21 +0000172 select SWIOTLB
Linus Torvalds1da177e2005-04-16 15:20:36 -0700173
Fenghua Yu62fdd762008-10-17 12:14:13 -0700174config IA64_DIG_VTD
175 bool "DIG+Intel+IOMMU"
176 select DMAR
177 select PCI_MSI
178
Linus Torvalds1da177e2005-04-16 15:20:36 -0700179config IA64_HP_ZX1
180 bool "HP-zx1/sx1000"
181 help
182 Build a kernel that runs on HP zx1 and sx1000 systems. This adds
183 support for the HP I/O MMU.
184
185config IA64_HP_ZX1_SWIOTLB
186 bool "HP-zx1/sx1000 with software I/O TLB"
Jan Beulichd1598e02007-01-03 09:26:21 +0000187 select SWIOTLB
Linus Torvalds1da177e2005-04-16 15:20:36 -0700188 help
189 Build a kernel that runs on HP zx1 and sx1000 systems even when they
190 have broken PCI devices which cannot DMA to full 32 bits. Apart
191 from support for the HP I/O MMU, this includes support for the software
192 I/O TLB, which allows supporting the broken devices at the expense of
193 wasting some kernel memory (about 2MB by default).
194
195config IA64_SGI_SN2
196 bool "SGI-SN2"
Jes Sorensenbd3be242008-02-11 15:10:19 +0100197 select NUMA
198 select ACPI_NUMA
Linus Torvalds1da177e2005-04-16 15:20:36 -0700199 help
200 Selecting this option will optimize the kernel for use on sn2 based
201 systems, but the resulting kernel binary will not run on other
202 types of ia64 systems. If you have an SGI Altix system, it's safe
203 to select this option. If in doubt, select ia64 generic support
204 instead.
205
Jack Steiner3351ab92008-07-31 07:52:50 -0500206config IA64_SGI_UV
207 bool "SGI-UV"
Jack Steiner22246612008-05-06 15:18:57 -0500208 select NUMA
209 select ACPI_NUMA
210 select SWIOTLB
211 help
212 Selecting this option will optimize the kernel for use on UV based
213 systems, but the resulting kernel binary will not run on other
214 types of ia64 systems. If you have an SGI UV system, it's safe
215 to select this option. If in doubt, select ia64 generic support
216 instead.
217
Linus Torvalds1da177e2005-04-16 15:20:36 -0700218config IA64_HP_SIM
219 bool "Ski-simulator"
Jan Beulichd1598e02007-01-03 09:26:21 +0000220 select SWIOTLB
Linus Torvalds1da177e2005-04-16 15:20:36 -0700221
Isaku Yamahataba9cc322008-10-17 11:18:11 +0900222config IA64_XEN_GUEST
223 bool "Xen guest"
Isaku Yamahata1d5b20f2009-01-16 12:17:30 +0900224 select SWIOTLB
Isaku Yamahataba9cc322008-10-17 11:18:11 +0900225 depends on XEN
Isaku Yamahata1d5b20f2009-01-16 12:17:30 +0900226 help
227 Build a kernel that runs on Xen guest domain. At this moment only
228 16KB page size in supported.
Isaku Yamahataba9cc322008-10-17 11:18:11 +0900229
Linus Torvalds1da177e2005-04-16 15:20:36 -0700230endchoice
231
232choice
233 prompt "Processor type"
234 default ITANIUM
235
236config ITANIUM
237 bool "Itanium"
238 help
239 Select your IA-64 processor type. The default is Itanium.
240 This choice is safe for all IA-64 systems, but may not perform
241 optimally on systems with, say, Itanium 2 or newer processors.
242
243config MCKINLEY
244 bool "Itanium 2"
245 help
246 Select this to configure for an Itanium 2 (McKinley) processor.
247
248endchoice
249
250choice
251 prompt "Kernel page size"
252 default IA64_PAGE_SIZE_16KB
253
254config IA64_PAGE_SIZE_4KB
255 bool "4KB"
256 help
257 This lets you select the page size of the kernel. For best IA-64
258 performance, a page size of 8KB or 16KB is recommended. For best
259 IA-32 compatibility, a page size of 4KB should be selected (the vast
260 majority of IA-32 binaries work perfectly fine with a larger page
261 size). For Itanium 2 or newer systems, a page size of 64KB can also
262 be selected.
263
264 4KB For best IA-32 compatibility
265 8KB For best IA-64 performance
266 16KB For best IA-64 performance
267 64KB Requires Itanium 2 or newer processor.
268
269 If you don't know what to do, choose 16KB.
270
271config IA64_PAGE_SIZE_8KB
272 bool "8KB"
273
274config IA64_PAGE_SIZE_16KB
275 bool "16KB"
276
277config IA64_PAGE_SIZE_64KB
278 depends on !ITANIUM
279 bool "64KB"
280
281endchoice
282
Robin Holt837cd0b2005-11-11 09:35:43 -0600283choice
284 prompt "Page Table Levels"
285 default PGTABLE_3
286
287config PGTABLE_3
288 bool "3 Levels"
289
290config PGTABLE_4
291 depends on !IA64_PAGE_SIZE_64KB
292 bool "4 Levels"
293
294endchoice
295
Tony Luck10d0aa32008-02-11 13:23:46 -0800296if IA64_HP_SIM
297config HZ
298 default 32
299endif
300
301if !IA64_HP_SIM
Christoph Lameterb5d23e52005-06-23 00:08:27 -0700302source kernel/Kconfig.hz
Tony Luck10d0aa32008-02-11 13:23:46 -0800303endif
Christoph Lameterb5d23e52005-06-23 00:08:27 -0700304
Linus Torvalds1da177e2005-04-16 15:20:36 -0700305config IA64_BRL_EMU
306 bool
307 depends on ITANIUM
308 default y
309
310# align cache-sensitive data to 128 bytes
311config IA64_L1_CACHE_SHIFT
312 int
313 default "7" if MCKINLEY
314 default "6" if ITANIUM
315
Linus Torvalds1da177e2005-04-16 15:20:36 -0700316config IA64_CYCLONE
317 bool "Cyclone (EXA) Time Source support"
318 help
319 Say Y here to enable support for IBM EXA Cyclone time source.
320 If you're unsure, answer N.
321
322config IOSAPIC
323 bool
324 depends on !IA64_HP_SIM
325 default y
326
Linus Torvalds1da177e2005-04-16 15:20:36 -0700327config FORCE_MAX_ZONEORDER
Bob Piccoda9577c2005-10-04 15:13:37 -0400328 int "MAX_ORDER (11 - 17)" if !HUGETLB_PAGE
329 range 11 17 if !HUGETLB_PAGE
330 default "17" if HUGETLB_PAGE
331 default "11"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700332
Hidetoshi Setob64f34c2008-01-29 14:27:30 +0900333config VIRT_CPU_ACCOUNTING
334 bool "Deterministic task and CPU time accounting"
335 default n
336 help
337 Select this option to enable more accurate task and CPU time
338 accounting. This is done by reading a CPU counter on each
339 kernel entry and exit and on transitions within the kernel
340 between system, softirq and hardirq state, so there is a
341 small performance impact.
342 If in doubt, say N here.
343
Linus Torvalds1da177e2005-04-16 15:20:36 -0700344config SMP
345 bool "Symmetric multi-processing support"
Jens Axboef27b4332008-06-26 11:22:30 +0200346 select USE_GENERIC_SMP_HELPERS
Linus Torvalds1da177e2005-04-16 15:20:36 -0700347 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
Adrian Bunk03502fa2008-02-03 15:50:21 +0200358 See also the SMP-HOWTO available at
359 <http://www.tldp.org/docs.html#howto>.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700360
361 If you don't know what to do here, say N.
362
363config NR_CPUS
Robin Holtd1339df2008-08-02 13:29:24 -0500364 int "Maximum number of CPUs (2-4096)"
365 range 2 4096
Linus Torvalds1da177e2005-04-16 15:20:36 -0700366 depends on SMP
Robin Holtd1339df2008-08-02 13:29:24 -0500367 default "4096"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700368 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
375config HOTPLUG_CPU
376 bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
377 depends on SMP && EXPERIMENTAL
378 select HOTPLUG
379 default n
380 ---help---
381 Say Y here to experiment with turning CPUs off and on. CPUs
382 can be controlled through /sys/devices/system/cpu/cpu#.
383 Say N if you want to disable CPU hotplug.
384
Yasunori Gotocc576372006-06-29 02:24:27 -0700385config ARCH_ENABLE_MEMORY_HOTPLUG
386 def_bool y
387
KAMEZAWA Hiroyuki0c0e6192007-10-16 01:26:12 -0700388config ARCH_ENABLE_MEMORY_HOTREMOVE
389 def_bool y
390
Suresh Siddha7a9bdd82005-04-05 18:05:00 -0700391config SCHED_SMT
392 bool "SMT scheduler support"
393 depends on SMP
Suresh Siddha7a9bdd82005-04-05 18:05:00 -0700394 help
395 Improves the CPU scheduler's decision making when dealing with
396 Intel IA64 chips with MultiThreading at a cost of slightly increased
397 overhead in some places. If unsure say N here.
398
Ashok Rajff741902005-11-11 14:32:40 -0800399config PERMIT_BSP_REMOVE
400 bool "Support removal of Bootstrap Processor"
401 depends on HOTPLUG_CPU
402 default n
403 ---help---
404 Say Y here if your platform SAL will support removal of BSP with HOTPLUG_CPU
405 support.
406
407config FORCE_CPEI_RETARGET
408 bool "Force assumption that CPEI can be re-targetted"
409 depends on PERMIT_BSP_REMOVE
410 default n
411 ---help---
412 Say Y if you need to force the assumption that CPEI can be re-targetted to
413 any cpu in the system. This hint is available via ACPI 3.0 specifications.
414 Tiger4 systems are capable of re-directing CPEI to any CPU other than BSP.
415 This option it useful to enable this feature on older BIOS's as well.
416 You can also enable this by using boot command line option force_cpei=1.
417
Satyam Sharma0b0517a42007-08-13 23:41:45 +0530418source "kernel/Kconfig.preempt"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700419
Dave Hansen3f22ab22005-06-23 00:07:43 -0700420source "mm/Kconfig"
421
Bob Piccoda9577c2005-10-04 15:13:37 -0400422config ARCH_SELECT_MEMORY_MODEL
423 def_bool y
424
425config ARCH_DISCONTIGMEM_ENABLE
426 def_bool y
427 help
428 Say Y to support efficient handling of discontiguous physical memory,
429 for architectures which are either NUMA (Non-Uniform Memory Access)
430 or have huge holes in the physical address space for other reasons.
431 See <file:Documentation/vm/numa> for more.
432
433config ARCH_FLATMEM_ENABLE
434 def_bool y
435
436config ARCH_SPARSEMEM_ENABLE
437 def_bool y
438 depends on ARCH_DISCONTIGMEM_ENABLE
Christoph Lameteref229c52007-10-16 01:24:15 -0700439 select SPARSEMEM_VMEMMAP_ENABLE
Bob Piccoda9577c2005-10-04 15:13:37 -0400440
441config ARCH_DISCONTIGMEM_DEFAULT
442 def_bool y if (IA64_SGI_SN2 || IA64_GENERIC || IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB)
443 depends on ARCH_DISCONTIGMEM_ENABLE
444
445config NUMA
446 bool "NUMA support"
447 depends on !IA64_HP_SIM && !FLATMEM
448 default y if IA64_SGI_SN2
KAMEZAWA Hiroyuki6c33eb32006-11-08 17:44:50 -0800449 select ACPI_NUMA if ACPI
Bob Piccoda9577c2005-10-04 15:13:37 -0400450 help
451 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
452 Access). This option is for configuring high-end multiprocessor
453 server systems. If in doubt, say N.
454
Yasunori Gotoc80d79d2006-04-10 22:53:53 -0700455config NODES_SHIFT
456 int "Max num nodes shift(3-10)"
457 range 3 10
Christoph Lameterc57d68c2006-08-22 19:43:27 -0700458 default "10"
Yasunori Gotoc80d79d2006-04-10 22:53:53 -0700459 depends on NEED_MULTIPLE_NODES
460 help
461 This option specifies the maximum number of nodes in your SSI system.
462 MAX_NUMNODES will be 2^(This value).
463 If in doubt, use the default.
464
Mel Gorman05e0caa2006-09-27 01:49:54 -0700465config ARCH_POPULATES_NODE_MAP
466 def_bool y
467
Bob Piccoda9577c2005-10-04 15:13:37 -0400468# VIRTUAL_MEM_MAP and FLAT_NODE_MEM_MAP are functionally equivalent.
469# VIRTUAL_MEM_MAP has been retained for historical reasons.
470config VIRTUAL_MEM_MAP
471 bool "Virtual mem map"
472 depends on !SPARSEMEM
473 default y if !IA64_HP_SIM
474 help
475 Say Y to compile the kernel with support for a virtual mem map.
476 This code also only takes effect if a memory hole of greater than
477 1 Gb is found during boot. You must turn this option on if you
478 require the DISCONTIGMEM option for your machine. If you are
479 unsure, say Y.
480
481config HOLES_IN_ZONE
482 bool
483 default y if VIRTUAL_MEM_MAP
484
485config HAVE_ARCH_EARLY_PFN_TO_NID
Tony Luck334f85b62009-02-19 11:22:36 -0800486 def_bool NUMA && SPARSEMEM
Bob Piccoda9577c2005-10-04 15:13:37 -0400487
Yasunori Goto10ad4002006-06-27 02:53:33 -0700488config HAVE_ARCH_NODEDATA_EXTENSION
489 def_bool y
490 depends on NUMA
491
Linus Torvalds1da177e2005-04-16 15:20:36 -0700492config IA32_SUPPORT
493 bool "Support for Linux/x86 binaries"
494 help
495 IA-64 processors can execute IA-32 (X86) instructions. By
496 saying Y here, the kernel will include IA-32 system call
497 emulation support which makes it possible to transparently
498 run IA-32 Linux binaries on an IA-64 Linux system.
499 If in doubt, say Y.
500
501config COMPAT
502 bool
503 depends on IA32_SUPPORT
504 default y
505
Tony Luck7a6c8132007-07-27 15:35:43 -0700506config COMPAT_FOR_U64_ALIGNMENT
507 def_bool COMPAT
508
Linus Torvalds1da177e2005-04-16 15:20:36 -0700509config IA64_MCA_RECOVERY
510 tristate "MCA recovery from errors other than TLB."
511
512config PERFMON
513 bool "Performance monitor support"
514 help
515 Selects whether support for the IA-64 performance monitor hardware
516 is included in the kernel. This makes some kernel data-structures a
517 little bigger and slows down execution a bit, but it is generally
518 a good idea to turn this on. If you're unsure, say Y.
519
520config IA64_PALINFO
521 tristate "/proc/pal support"
522 help
523 If you say Y here, you are able to get PAL (Processor Abstraction
524 Layer) information in /proc/pal. This contains useful information
525 about the processors in your systems, such as cache and TLB sizes
526 and the PAL firmware version in use.
527
528 To use this option, you have to ensure that the "/proc file system
529 support" (CONFIG_PROC_FS) is enabled, too.
530
Fenghua Yue9ef08b2006-12-08 16:06:01 -0800531config IA64_MC_ERR_INJECT
532 tristate "MC error injection support"
533 help
Matt LaPlante01dd2fb2007-10-20 01:34:40 +0200534 Adds support for MC error injection. If enabled, the kernel
535 will provide a sysfs interface for user applications to
536 call MC error injection PAL procedures to inject various errors.
Fenghua Yue9ef08b2006-12-08 16:06:01 -0800537 This is a useful tool for MCA testing.
538
539 If you're unsure, do not select this option.
540
Jes Sorensen466575f2006-01-19 04:54:00 -0500541config SGI_SN
542 def_bool y if (IA64_SGI_SN2 || IA64_GENERIC)
543
David Mosberger-Tang2ab561a2006-06-21 11:19:22 -0700544config IA64_ESI
545 bool "ESI (Extensible SAL Interface) support"
546 help
547 If you say Y here, support is built into the kernel to
548 make ESI calls. ESI calls are used to support vendor-specific
549 firmware extensions, such as the ability to inject memory-errors
550 for test-purposes. If you're unsure, say N.
551
Bjorn Helgaas28eda5b2007-09-20 14:22:03 -0600552config IA64_HP_AML_NFW
553 bool "Support ACPI AML calls to native firmware"
554 help
555 This driver installs a global ACPI Operation Region handler for
556 region 0xA1. AML methods can use this OpRegion to call arbitrary
557 native firmware functions. The driver installs the OpRegion
558 handler if there is an HPQ5001 device or if the user supplies
559 the "force" module parameter, e.g., with the "aml_nfw.force"
560 kernel command line option.
561
Brent Casavantc1311af2006-04-20 15:38:16 -0500562source "drivers/sn/Kconfig"
563
Zou Nan haia79561132006-12-07 09:51:35 -0800564config KEXEC
565 bool "kexec system call (EXPERIMENTAL)"
566 depends on EXPERIMENTAL && !IA64_HP_SIM && (!SMP || HOTPLUG_CPU)
567 help
568 kexec is a system call that implements the ability to shutdown your
569 current kernel, and to start another kernel. It is like a reboot
David Sterba3dde6ad2007-05-09 07:12:20 +0200570 but it is independent of the system firmware. And like a reboot
Zou Nan haia79561132006-12-07 09:51:35 -0800571 you can start any kernel with it, not just Linux.
572
Matt LaPlante01dd2fb2007-10-20 01:34:40 +0200573 The name comes from the similarity to the exec system call.
Zou Nan haia79561132006-12-07 09:51:35 -0800574
575 It is an ongoing process to be certain the hardware in a machine
576 is properly shutdown, so do not be surprised if this code does not
577 initially work for you. It may help to enable device hotplugging
578 support. As of this writing the exact hardware interface is
579 strongly in flux, so no good recommendation can be made.
580
581config CRASH_DUMP
Bernhard Wallefb866112008-06-26 14:53:11 +0200582 bool "kernel crash dumps"
583 depends on IA64_MCA_RECOVERY && !IA64_HP_SIM && (!SMP || HOTPLUG_CPU)
Zou Nan haia79561132006-12-07 09:51:35 -0800584 help
585 Generate crash dump after being started by kexec.
586
Linus Torvalds1da177e2005-04-16 15:20:36 -0700587source "drivers/firmware/Kconfig"
588
589source "fs/Kconfig.binfmt"
590
591endmenu
592
Bjorn Helgaas1547a012008-11-06 10:53:54 -0600593menu "Power management and ACPI options"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700594
Len Browneb7b6b32005-08-25 12:08:25 -0400595source "kernel/power/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700596
597source "drivers/acpi/Kconfig"
598
Venkatesh Pallipadi4db86992005-07-29 16:15:00 -0700599if PM
600
601source "arch/ia64/kernel/cpufreq/Kconfig"
602
603endif
604
Linus Torvalds1da177e2005-04-16 15:20:36 -0700605endmenu
606
607if !IA64_HP_SIM
608
609menu "Bus options (PCI, PCMCIA)"
610
611config PCI
612 bool "PCI support"
613 help
Christoph Hellwig85f265d2005-08-09 13:38:00 -0700614 Real IA-64 machines all have PCI/PCI-X/PCI Express busses. Say Y
615 here unless you are using a simulator without PCI support.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700616
617config PCI_DOMAINS
Matthew Wilcox36e23592007-07-10 10:54:40 -0600618 def_bool PCI
619
620config PCI_SYSCALL
621 def_bool PCI
Linus Torvalds1da177e2005-04-16 15:20:36 -0700622
Kenji Kaneshigeb7bb5752006-04-28 11:50:43 +0900623source "drivers/pci/pcie/Kconfig"
624
Linus Torvalds1da177e2005-04-16 15:20:36 -0700625source "drivers/pci/Kconfig"
626
627source "drivers/pci/hotplug/Kconfig"
628
629source "drivers/pcmcia/Kconfig"
630
Fenghua Yu62fdd762008-10-17 12:14:13 -0700631config DMAR
632 bool "Support for DMA Remapping Devices (EXPERIMENTAL)"
633 depends on IA64_GENERIC && ACPI && EXPERIMENTAL
634 help
635 DMA remapping (DMAR) devices support enables independent address
636 translations for Direct Memory Access (DMA) from devices.
637 These DMA remapping devices are reported via ACPI tables
638 and include PCI device scope covered by these DMA
639 remapping devices.
640
Kyle McMartin6b1ff032009-02-14 04:11:29 -0500641config DMAR_DEFAULT_ON
642 def_bool y
643 prompt "Enable DMA Remapping Devices by default"
644 depends on DMAR
645 help
646 Selecting this option will enable a DMAR device at boot time if
647 one is found. If this option is not selected, DMAR support can
648 be enabled by passing intel_iommu=on to the kernel. It is
649 recommended you say N here while the DMAR code remains
650 experimental.
651
Linus Torvalds1da177e2005-04-16 15:20:36 -0700652endmenu
653
654endif
655
Sam Ravnborgd5950b42005-07-11 21:03:49 -0700656source "net/Kconfig"
657
Linus Torvalds1da177e2005-04-16 15:20:36 -0700658source "drivers/Kconfig"
659
Bjorn Helgaas1547a012008-11-06 10:53:54 -0600660source "arch/ia64/hp/sim/Kconfig"
661
Jes Sorensen1a4b0fc2006-11-10 12:27:49 -0800662config MSPEC
663 tristate "Memory special operations driver"
664 depends on IA64
665 select IA64_UNCACHED_ALLOCATOR
666 help
667 If you have an ia64 and you want to enable memory special
668 operations support (formerly known as fetchop), say Y here,
669 otherwise say N.
670
Linus Torvalds1da177e2005-04-16 15:20:36 -0700671source "fs/Kconfig"
672
Bjorn Helgaas1547a012008-11-06 10:53:54 -0600673source "arch/ia64/Kconfig.debug"
674
675source "security/Kconfig"
676
677source "crypto/Kconfig"
678
Xiantao Zhangb6939192008-03-28 14:58:47 +0800679source "arch/ia64/kvm/Kconfig"
680
Linus Torvalds1da177e2005-04-16 15:20:36 -0700681source "lib/Kconfig"
682
683#
684# Use the generic interrupt handling code in kernel/irq/:
685#
686config GENERIC_HARDIRQS
687 bool
688 default y
689
690config GENERIC_IRQ_PROBE
691 bool
692 default y
693
Ashok Raj54d5d422005-09-06 15:16:15 -0700694config GENERIC_PENDING_IRQ
695 bool
696 depends on GENERIC_HARDIRQS && SMP
697 default y
698
Ingo Molnar0d7012a2006-06-29 02:24:43 -0700699config IRQ_PER_CPU
700 bool
701 default y
702
FUJITA Tomonorib34eb532008-03-28 14:27:03 -0700703config IOMMU_HELPER
FUJITA Tomonoria8522502008-04-29 00:59:36 -0700704 def_bool (IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB || IA64_GENERIC || SWIOTLB)
Joerg Roedel1aaf1182008-11-26 17:25:13 +0100705
706config IOMMU_API
707 def_bool (DMAR)