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1source "init/Kconfig"
2
3source "kernel/Kconfig.freezer"
4
5menu "Processor type and features"
6
7config IA64
8 bool
9 select PCI if (!IA64_HP_SIM)
10 select ACPI if (!IA64_HP_SIM)
11 select PM if (!IA64_HP_SIM)
12 select ARCH_SUPPORTS_MSI
13 select HAVE_UNSTABLE_SCHED_CLOCK
14 select HAVE_IDE
15 select HAVE_OPROFILE
16 select HAVE_KPROBES
17 select HAVE_KRETPROBES
18 select HAVE_FTRACE_MCOUNT_RECORD
19 select HAVE_DYNAMIC_FTRACE if (!ITANIUM)
20 select HAVE_FUNCTION_TRACER
21 select HAVE_DMA_ATTRS
22 select HAVE_KVM
23 select HAVE_ARCH_TRACEHOOK
24 select HAVE_DMA_API_DEBUG
25 select HAVE_GENERIC_HARDIRQS
26 select GENERIC_IRQ_PROBE
27 select GENERIC_PENDING_IRQ if SMP
28 select IRQ_PER_CPU
29 select GENERIC_IRQ_SHOW
30 select ARCH_WANT_OPTIONAL_GPIOLIB
31 select ARCH_HAVE_NMI_SAFE_CMPXCHG
32 default y
33 help
34 The Itanium Processor Family is Intel's 64-bit successor to
35 the 32-bit X86 line. The IA-64 Linux project has a home
36 page at <http://www.linuxia64.org/> and a mailing list at
37 <linux-ia64@vger.kernel.org>.
38
39config 64BIT
40 bool
41 select ATA_NONSTANDARD if ATA
42 default y
43
44config ZONE_DMA
45 def_bool y
46 depends on !IA64_SGI_SN2
47
48config QUICKLIST
49 bool
50 default y
51
52config MMU
53 bool
54 default y
55
56config ARCH_DMA_ADDR_T_64BIT
57 def_bool y
58
59config NEED_DMA_MAP_STATE
60 def_bool y
61
62config NEED_SG_DMA_LENGTH
63 def_bool y
64
65config SWIOTLB
66 bool
67
68config STACKTRACE_SUPPORT
69 def_bool y
70
71config GENERIC_LOCKBREAK
72 def_bool n
73
74config RWSEM_XCHGADD_ALGORITHM
75 bool
76 default y
77
78config HUGETLB_PAGE_SIZE_VARIABLE
79 bool
80 depends on HUGETLB_PAGE
81 default y
82
83config GENERIC_CALIBRATE_DELAY
84 bool
85 default y
86
87config GENERIC_TIME_VSYSCALL
88 bool
89 default y
90
91config HAVE_SETUP_PER_CPU_AREA
92 def_bool y
93
94config GENERIC_GPIO
95 def_bool y
96
97config DMI
98 bool
99 default y
100
101config EFI
102 bool
103 default y
104
105config GENERIC_IOMAP
106 bool
107 default y
108
109config ARCH_CLOCKSOURCE_DATA
110 def_bool y
111
112config SCHED_OMIT_FRAME_POINTER
113 bool
114 default y
115
116config IA64_UNCACHED_ALLOCATOR
117 bool
118 select GENERIC_ALLOCATOR
119
120config ARCH_USES_PG_UNCACHED
121 def_bool y
122 depends on IA64_UNCACHED_ALLOCATOR
123
124config AUDIT_ARCH
125 bool
126 default y
127
128menuconfig 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
155choice
156 prompt "System type"
157 default IA64_GENERIC
158
159config IA64_GENERIC
160 bool "generic"
161 select NUMA
162 select ACPI_NUMA
163 select SWIOTLB
164 select PCI_MSI
165 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
172 DIG+Intel+IOMMU For DIG systems with Intel IOMMU
173 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
176 SGI-UV For SGI UV systems
177 Ski-simulator For the HP simulator <http://www.hpl.hp.com/research/linux/ski/>
178 Xen-domU For xen domU system
179
180 If you don't know what to do, choose "generic".
181
182config IA64_DIG
183 bool "DIG-compliant"
184 select SWIOTLB
185
186config IA64_DIG_VTD
187 bool "DIG+Intel+IOMMU"
188 select DMAR
189 select PCI_MSI
190
191config 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"
199 select SWIOTLB
200 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"
209 select NUMA
210 select ACPI_NUMA
211 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
218config IA64_SGI_UV
219 bool "SGI-UV"
220 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
230config IA64_HP_SIM
231 bool "Ski-simulator"
232 select SWIOTLB
233
234config IA64_XEN_GUEST
235 bool "Xen guest"
236 select SWIOTLB
237 depends on XEN
238 help
239 Build a kernel that runs on Xen guest domain. At this moment only
240 16KB page size in supported.
241
242endchoice
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
295choice
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
308if IA64_HP_SIM
309config HZ
310 default 32
311endif
312
313if !IA64_HP_SIM
314source kernel/Kconfig.hz
315endif
316
317config 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
328config 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
339config FORCE_MAX_ZONEORDER
340 int "MAX_ORDER (11 - 17)" if !HUGETLB_PAGE
341 range 11 17 if !HUGETLB_PAGE
342 default "17" if HUGETLB_PAGE
343 default "11"
344
345config 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
356config SMP
357 bool "Symmetric multi-processing support"
358 select USE_GENERIC_SMP_HELPERS
359 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
370 See also the SMP-HOWTO available at
371 <http://www.tldp.org/docs.html#howto>.
372
373 If you don't know what to do here, say N.
374
375config NR_CPUS
376 int "Maximum number of CPUs (2-4096)"
377 range 2 4096
378 depends on SMP
379 default "4096"
380 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
397config ARCH_ENABLE_MEMORY_HOTPLUG
398 def_bool y
399
400config ARCH_ENABLE_MEMORY_HOTREMOVE
401 def_bool y
402
403config SCHED_SMT
404 bool "SMT scheduler support"
405 depends on SMP
406 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
411config 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
420 bool "Force assumption that CPEI can be re-targeted"
421 depends on PERMIT_BSP_REMOVE
422 default n
423 ---help---
424 Say Y if you need to force the assumption that CPEI can be re-targeted to
425 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
430source "kernel/Kconfig.preempt"
431
432source "mm/Kconfig"
433
434config 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
451 select SPARSEMEM_VMEMMAP_ENABLE
452
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
461 select ACPI_NUMA if ACPI
462 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
467config NODES_SHIFT
468 int "Max num nodes shift(3-10)"
469 range 3 10
470 default "10"
471 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
477config ARCH_POPULATES_NODE_MAP
478 def_bool y
479
480# 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
498 def_bool NUMA && SPARSEMEM
499
500config HAVE_ARCH_NODEDATA_EXTENSION
501 def_bool y
502 depends on NUMA
503
504config USE_PERCPU_NUMA_NODE_ID
505 def_bool y
506 depends on NUMA
507
508config HAVE_MEMORYLESS_NODES
509 def_bool NUMA
510
511config ARCH_PROC_KCORE_TEXT
512 def_bool y
513 depends on PROC_KCORE
514
515config 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
537config IA64_MC_ERR_INJECT
538 tristate "MC error injection support"
539 help
540 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.
543 This is a useful tool for MCA testing.
544
545 If you're unsure, do not select this option.
546
547config SGI_SN
548 def_bool y if (IA64_SGI_SN2 || IA64_GENERIC)
549
550config 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
558config 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
568source "drivers/sn/Kconfig"
569
570config 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
576 but it is independent of the system firmware. And like a reboot
577 you can start any kernel with it, not just Linux.
578
579 The name comes from the similarity to the exec system call.
580
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
588 bool "kernel crash dumps"
589 depends on IA64_MCA_RECOVERY && !IA64_HP_SIM && (!SMP || HOTPLUG_CPU)
590 help
591 Generate crash dump after being started by kexec.
592
593source "drivers/firmware/Kconfig"
594
595source "fs/Kconfig.binfmt"
596
597endmenu
598
599menu "Power management and ACPI options"
600
601source "kernel/power/Kconfig"
602
603source "drivers/acpi/Kconfig"
604
605if PM
606
607source "arch/ia64/kernel/cpufreq/Kconfig"
608
609endif
610
611endmenu
612
613if !IA64_HP_SIM
614
615menu "Bus options (PCI, PCMCIA)"
616
617config PCI
618 bool "PCI support"
619 help
620 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.
622
623config PCI_DOMAINS
624 def_bool PCI
625
626config PCI_SYSCALL
627 def_bool PCI
628
629source "drivers/pci/pcie/Kconfig"
630
631source "drivers/pci/Kconfig"
632
633source "drivers/pci/hotplug/Kconfig"
634
635source "drivers/pcmcia/Kconfig"
636
637endmenu
638
639endif
640
641source "net/Kconfig"
642
643source "drivers/Kconfig"
644
645source "arch/ia64/hp/sim/Kconfig"
646
647config 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
656source "fs/Kconfig"
657
658source "arch/ia64/Kconfig.debug"
659
660source "security/Kconfig"
661
662source "crypto/Kconfig"
663
664source "arch/ia64/kvm/Kconfig"
665
666source "lib/Kconfig"
667
668config IOMMU_HELPER
669 def_bool (IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB || IA64_GENERIC || SWIOTLB)
1config PGTABLE_LEVELS
2 int "Page Table Levels" if !IA64_PAGE_SIZE_64KB
3 range 3 4 if !IA64_PAGE_SIZE_64KB
4 default 3
5
6source "init/Kconfig"
7
8source "kernel/Kconfig.freezer"
9
10menu "Processor type and features"
11
12config IA64
13 bool
14 select ARCH_MIGHT_HAVE_PC_PARPORT
15 select ARCH_MIGHT_HAVE_PC_SERIO
16 select PCI if (!IA64_HP_SIM)
17 select ACPI if (!IA64_HP_SIM)
18 select ACPI_SYSTEM_POWER_STATES_SUPPORT if ACPI
19 select ARCH_MIGHT_HAVE_ACPI_PDC if ACPI
20 select HAVE_UNSTABLE_SCHED_CLOCK
21 select HAVE_IDE
22 select HAVE_OPROFILE
23 select HAVE_KPROBES
24 select HAVE_KRETPROBES
25 select HAVE_FTRACE_MCOUNT_RECORD
26 select HAVE_DYNAMIC_FTRACE if (!ITANIUM)
27 select HAVE_FUNCTION_TRACER
28 select TTY
29 select HAVE_ARCH_TRACEHOOK
30 select HAVE_DMA_API_DEBUG
31 select HAVE_MEMBLOCK
32 select HAVE_MEMBLOCK_NODE_MAP
33 select HAVE_VIRT_CPU_ACCOUNTING
34 select ARCH_HAS_SG_CHAIN
35 select VIRT_TO_BUS
36 select ARCH_DISCARD_MEMBLOCK
37 select GENERIC_IRQ_PROBE
38 select GENERIC_PENDING_IRQ if SMP
39 select GENERIC_IRQ_SHOW
40 select GENERIC_IRQ_LEGACY
41 select ARCH_WANT_OPTIONAL_GPIOLIB
42 select ARCH_HAVE_NMI_SAFE_CMPXCHG
43 select GENERIC_IOMAP
44 select GENERIC_SMP_IDLE_THREAD
45 select ARCH_INIT_TASK
46 select ARCH_TASK_STRUCT_ALLOCATOR
47 select ARCH_THREAD_INFO_ALLOCATOR
48 select ARCH_CLOCKSOURCE_DATA
49 select GENERIC_TIME_VSYSCALL_OLD
50 select SYSCTL_ARCH_UNALIGN_NO_WARN
51 select HAVE_MOD_ARCH_SPECIFIC
52 select MODULES_USE_ELF_RELA
53 select ARCH_USE_CMPXCHG_LOCKREF
54 select HAVE_ARCH_AUDITSYSCALL
55 default y
56 help
57 The Itanium Processor Family is Intel's 64-bit successor to
58 the 32-bit X86 line. The IA-64 Linux project has a home
59 page at <http://www.linuxia64.org/> and a mailing list at
60 <linux-ia64@vger.kernel.org>.
61
62config 64BIT
63 bool
64 select ATA_NONSTANDARD if ATA
65 default y
66
67config ZONE_DMA
68 def_bool y
69 depends on !IA64_SGI_SN2
70
71config QUICKLIST
72 bool
73 default y
74
75config MMU
76 bool
77 default y
78
79config ARCH_DMA_ADDR_T_64BIT
80 def_bool y
81
82config NEED_DMA_MAP_STATE
83 def_bool y
84
85config NEED_SG_DMA_LENGTH
86 def_bool y
87
88config SWIOTLB
89 bool
90
91config STACKTRACE_SUPPORT
92 def_bool y
93
94config GENERIC_LOCKBREAK
95 def_bool n
96
97config RWSEM_XCHGADD_ALGORITHM
98 bool
99 default y
100
101config HUGETLB_PAGE_SIZE_VARIABLE
102 bool
103 depends on HUGETLB_PAGE
104 default y
105
106config GENERIC_CALIBRATE_DELAY
107 bool
108 default y
109
110config HAVE_SETUP_PER_CPU_AREA
111 def_bool y
112
113config DMI
114 bool
115 default y
116 select DMI_SCAN_MACHINE_NON_EFI_FALLBACK
117
118config EFI
119 bool
120 select UCS2_STRING
121 default y
122
123config SCHED_OMIT_FRAME_POINTER
124 bool
125 default y
126
127config IA64_UNCACHED_ALLOCATOR
128 bool
129 select GENERIC_ALLOCATOR
130
131config ARCH_USES_PG_UNCACHED
132 def_bool y
133 depends on IA64_UNCACHED_ALLOCATOR
134
135config AUDIT_ARCH
136 bool
137 default y
138
139choice
140 prompt "System type"
141 default IA64_GENERIC
142
143config IA64_GENERIC
144 bool "generic"
145 select NUMA
146 select ACPI_NUMA
147 select SWIOTLB
148 select PCI_MSI
149 help
150 This selects the system type of your hardware. A "generic" kernel
151 will run on any supported IA-64 system. However, if you configure
152 a kernel for your specific system, it will be faster and smaller.
153
154 generic For any supported IA-64 system
155 DIG-compliant For DIG ("Developer's Interface Guide") compliant systems
156 DIG+Intel+IOMMU For DIG systems with Intel IOMMU
157 HP-zx1/sx1000 For HP systems
158 HP-zx1/sx1000+swiotlb For HP systems with (broken) DMA-constrained devices.
159 SGI-SN2 For SGI Altix systems
160 SGI-UV For SGI UV systems
161 Ski-simulator For the HP simulator <http://www.hpl.hp.com/research/linux/ski/>
162
163 If you don't know what to do, choose "generic".
164
165config IA64_DIG
166 bool "DIG-compliant"
167 select SWIOTLB
168
169config IA64_DIG_VTD
170 bool "DIG+Intel+IOMMU"
171 select INTEL_IOMMU
172 select PCI_MSI
173
174config IA64_HP_ZX1
175 bool "HP-zx1/sx1000"
176 help
177 Build a kernel that runs on HP zx1 and sx1000 systems. This adds
178 support for the HP I/O MMU.
179
180config IA64_HP_ZX1_SWIOTLB
181 bool "HP-zx1/sx1000 with software I/O TLB"
182 select SWIOTLB
183 help
184 Build a kernel that runs on HP zx1 and sx1000 systems even when they
185 have broken PCI devices which cannot DMA to full 32 bits. Apart
186 from support for the HP I/O MMU, this includes support for the software
187 I/O TLB, which allows supporting the broken devices at the expense of
188 wasting some kernel memory (about 2MB by default).
189
190config IA64_SGI_SN2
191 bool "SGI-SN2"
192 select NUMA
193 select ACPI_NUMA
194 help
195 Selecting this option will optimize the kernel for use on sn2 based
196 systems, but the resulting kernel binary will not run on other
197 types of ia64 systems. If you have an SGI Altix system, it's safe
198 to select this option. If in doubt, select ia64 generic support
199 instead.
200
201config IA64_SGI_UV
202 bool "SGI-UV"
203 select NUMA
204 select ACPI_NUMA
205 select SWIOTLB
206 help
207 Selecting this option will optimize the kernel for use on UV based
208 systems, but the resulting kernel binary will not run on other
209 types of ia64 systems. If you have an SGI UV system, it's safe
210 to select this option. If in doubt, select ia64 generic support
211 instead.
212
213config IA64_HP_SIM
214 bool "Ski-simulator"
215 select SWIOTLB
216 depends on !PM
217
218endchoice
219
220choice
221 prompt "Processor type"
222 default ITANIUM
223
224config ITANIUM
225 bool "Itanium"
226 help
227 Select your IA-64 processor type. The default is Itanium.
228 This choice is safe for all IA-64 systems, but may not perform
229 optimally on systems with, say, Itanium 2 or newer processors.
230
231config MCKINLEY
232 bool "Itanium 2"
233 help
234 Select this to configure for an Itanium 2 (McKinley) processor.
235
236endchoice
237
238choice
239 prompt "Kernel page size"
240 default IA64_PAGE_SIZE_16KB
241
242config IA64_PAGE_SIZE_4KB
243 bool "4KB"
244 help
245 This lets you select the page size of the kernel. For best IA-64
246 performance, a page size of 8KB or 16KB is recommended. For best
247 IA-32 compatibility, a page size of 4KB should be selected (the vast
248 majority of IA-32 binaries work perfectly fine with a larger page
249 size). For Itanium 2 or newer systems, a page size of 64KB can also
250 be selected.
251
252 4KB For best IA-32 compatibility
253 8KB For best IA-64 performance
254 16KB For best IA-64 performance
255 64KB Requires Itanium 2 or newer processor.
256
257 If you don't know what to do, choose 16KB.
258
259config IA64_PAGE_SIZE_8KB
260 bool "8KB"
261
262config IA64_PAGE_SIZE_16KB
263 bool "16KB"
264
265config IA64_PAGE_SIZE_64KB
266 depends on !ITANIUM
267 bool "64KB"
268
269endchoice
270
271if IA64_HP_SIM
272config HZ
273 default 32
274endif
275
276if !IA64_HP_SIM
277source kernel/Kconfig.hz
278endif
279
280config IA64_BRL_EMU
281 bool
282 depends on ITANIUM
283 default y
284
285# align cache-sensitive data to 128 bytes
286config IA64_L1_CACHE_SHIFT
287 int
288 default "7" if MCKINLEY
289 default "6" if ITANIUM
290
291config IA64_CYCLONE
292 bool "Cyclone (EXA) Time Source support"
293 help
294 Say Y here to enable support for IBM EXA Cyclone time source.
295 If you're unsure, answer N.
296
297config IOSAPIC
298 bool
299 depends on !IA64_HP_SIM
300 default y
301
302config FORCE_MAX_ZONEORDER
303 int "MAX_ORDER (11 - 17)" if !HUGETLB_PAGE
304 range 11 17 if !HUGETLB_PAGE
305 default "17" if HUGETLB_PAGE
306 default "11"
307
308config SMP
309 bool "Symmetric multi-processing support"
310 help
311 This enables support for systems with more than one CPU. If you have
312 a system with only one CPU, say N. If you have a system with more
313 than one CPU, say Y.
314
315 If you say N here, the kernel will run on single and multiprocessor
316 systems, but will use only one CPU of a multiprocessor system. If
317 you say Y here, the kernel will run on many, but not all,
318 single processor systems. On a single processor system, the kernel
319 will run faster if you say N here.
320
321 See also the SMP-HOWTO available at
322 <http://www.tldp.org/docs.html#howto>.
323
324 If you don't know what to do here, say N.
325
326config NR_CPUS
327 int "Maximum number of CPUs (2-4096)"
328 range 2 4096
329 depends on SMP
330 default "4096"
331 help
332 You should set this to the number of CPUs in your system, but
333 keep in mind that a kernel compiled for, e.g., 2 CPUs will boot but
334 only use 2 CPUs on a >2 CPU system. Setting this to a value larger
335 than 64 will cause the use of a CPU mask array, causing a small
336 performance hit.
337
338config HOTPLUG_CPU
339 bool "Support for hot-pluggable CPUs"
340 depends on SMP
341 default n
342 ---help---
343 Say Y here to experiment with turning CPUs off and on. CPUs
344 can be controlled through /sys/devices/system/cpu/cpu#.
345 Say N if you want to disable CPU hotplug.
346
347config ARCH_ENABLE_MEMORY_HOTPLUG
348 def_bool y
349
350config ARCH_ENABLE_MEMORY_HOTREMOVE
351 def_bool y
352
353config SCHED_SMT
354 bool "SMT scheduler support"
355 depends on SMP
356 help
357 Improves the CPU scheduler's decision making when dealing with
358 Intel IA64 chips with MultiThreading at a cost of slightly increased
359 overhead in some places. If unsure say N here.
360
361config PERMIT_BSP_REMOVE
362 bool "Support removal of Bootstrap Processor"
363 depends on HOTPLUG_CPU
364 default n
365 ---help---
366 Say Y here if your platform SAL will support removal of BSP with HOTPLUG_CPU
367 support.
368
369config FORCE_CPEI_RETARGET
370 bool "Force assumption that CPEI can be re-targeted"
371 depends on PERMIT_BSP_REMOVE
372 default n
373 ---help---
374 Say Y if you need to force the assumption that CPEI can be re-targeted to
375 any cpu in the system. This hint is available via ACPI 3.0 specifications.
376 Tiger4 systems are capable of re-directing CPEI to any CPU other than BSP.
377 This option it useful to enable this feature on older BIOS's as well.
378 You can also enable this by using boot command line option force_cpei=1.
379
380source "kernel/Kconfig.preempt"
381
382source "mm/Kconfig"
383
384config ARCH_SELECT_MEMORY_MODEL
385 def_bool y
386
387config ARCH_DISCONTIGMEM_ENABLE
388 def_bool y
389 help
390 Say Y to support efficient handling of discontiguous physical memory,
391 for architectures which are either NUMA (Non-Uniform Memory Access)
392 or have huge holes in the physical address space for other reasons.
393 See <file:Documentation/vm/numa> for more.
394
395config ARCH_FLATMEM_ENABLE
396 def_bool y
397
398config ARCH_SPARSEMEM_ENABLE
399 def_bool y
400 depends on ARCH_DISCONTIGMEM_ENABLE
401 select SPARSEMEM_VMEMMAP_ENABLE
402
403config ARCH_DISCONTIGMEM_DEFAULT
404 def_bool y if (IA64_SGI_SN2 || IA64_GENERIC || IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB)
405 depends on ARCH_DISCONTIGMEM_ENABLE
406
407config NUMA
408 bool "NUMA support"
409 depends on !IA64_HP_SIM && !FLATMEM
410 default y if IA64_SGI_SN2
411 select ACPI_NUMA if ACPI
412 help
413 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
414 Access). This option is for configuring high-end multiprocessor
415 server systems. If in doubt, say N.
416
417config NODES_SHIFT
418 int "Max num nodes shift(3-10)"
419 range 3 10
420 default "10"
421 depends on NEED_MULTIPLE_NODES
422 help
423 This option specifies the maximum number of nodes in your SSI system.
424 MAX_NUMNODES will be 2^(This value).
425 If in doubt, use the default.
426
427# VIRTUAL_MEM_MAP and FLAT_NODE_MEM_MAP are functionally equivalent.
428# VIRTUAL_MEM_MAP has been retained for historical reasons.
429config VIRTUAL_MEM_MAP
430 bool "Virtual mem map"
431 depends on !SPARSEMEM
432 default y if !IA64_HP_SIM
433 help
434 Say Y to compile the kernel with support for a virtual mem map.
435 This code also only takes effect if a memory hole of greater than
436 1 Gb is found during boot. You must turn this option on if you
437 require the DISCONTIGMEM option for your machine. If you are
438 unsure, say Y.
439
440config HOLES_IN_ZONE
441 bool
442 default y if VIRTUAL_MEM_MAP
443
444config HAVE_ARCH_EARLY_PFN_TO_NID
445 def_bool NUMA && SPARSEMEM
446
447config HAVE_ARCH_NODEDATA_EXTENSION
448 def_bool y
449 depends on NUMA
450
451config USE_PERCPU_NUMA_NODE_ID
452 def_bool y
453 depends on NUMA
454
455config HAVE_MEMORYLESS_NODES
456 def_bool NUMA
457
458config ARCH_PROC_KCORE_TEXT
459 def_bool y
460 depends on PROC_KCORE
461
462config IA64_MCA_RECOVERY
463 tristate "MCA recovery from errors other than TLB."
464
465config PERFMON
466 bool "Performance monitor support"
467 help
468 Selects whether support for the IA-64 performance monitor hardware
469 is included in the kernel. This makes some kernel data-structures a
470 little bigger and slows down execution a bit, but it is generally
471 a good idea to turn this on. If you're unsure, say Y.
472
473config IA64_PALINFO
474 tristate "/proc/pal support"
475 help
476 If you say Y here, you are able to get PAL (Processor Abstraction
477 Layer) information in /proc/pal. This contains useful information
478 about the processors in your systems, such as cache and TLB sizes
479 and the PAL firmware version in use.
480
481 To use this option, you have to ensure that the "/proc file system
482 support" (CONFIG_PROC_FS) is enabled, too.
483
484config IA64_MC_ERR_INJECT
485 tristate "MC error injection support"
486 help
487 Adds support for MC error injection. If enabled, the kernel
488 will provide a sysfs interface for user applications to
489 call MC error injection PAL procedures to inject various errors.
490 This is a useful tool for MCA testing.
491
492 If you're unsure, do not select this option.
493
494config SGI_SN
495 def_bool y if (IA64_SGI_SN2 || IA64_GENERIC)
496
497config IA64_ESI
498 bool "ESI (Extensible SAL Interface) support"
499 help
500 If you say Y here, support is built into the kernel to
501 make ESI calls. ESI calls are used to support vendor-specific
502 firmware extensions, such as the ability to inject memory-errors
503 for test-purposes. If you're unsure, say N.
504
505config IA64_HP_AML_NFW
506 bool "Support ACPI AML calls to native firmware"
507 help
508 This driver installs a global ACPI Operation Region handler for
509 region 0xA1. AML methods can use this OpRegion to call arbitrary
510 native firmware functions. The driver installs the OpRegion
511 handler if there is an HPQ5001 device or if the user supplies
512 the "force" module parameter, e.g., with the "aml_nfw.force"
513 kernel command line option.
514
515source "drivers/sn/Kconfig"
516
517config KEXEC
518 bool "kexec system call"
519 depends on !IA64_HP_SIM && (!SMP || HOTPLUG_CPU)
520 select KEXEC_CORE
521 help
522 kexec is a system call that implements the ability to shutdown your
523 current kernel, and to start another kernel. It is like a reboot
524 but it is independent of the system firmware. And like a reboot
525 you can start any kernel with it, not just Linux.
526
527 The name comes from the similarity to the exec system call.
528
529 It is an ongoing process to be certain the hardware in a machine
530 is properly shutdown, so do not be surprised if this code does not
531 initially work for you. As of this writing the exact hardware
532 interface is strongly in flux, so no good recommendation can be
533 made.
534
535config CRASH_DUMP
536 bool "kernel crash dumps"
537 depends on IA64_MCA_RECOVERY && !IA64_HP_SIM && (!SMP || HOTPLUG_CPU)
538 help
539 Generate crash dump after being started by kexec.
540
541source "drivers/firmware/Kconfig"
542
543source "fs/Kconfig.binfmt"
544
545endmenu
546
547menu "Power management and ACPI options"
548
549source "kernel/power/Kconfig"
550
551source "drivers/acpi/Kconfig"
552
553if PM
554menu "CPU Frequency scaling"
555source "drivers/cpufreq/Kconfig"
556endmenu
557endif
558
559endmenu
560
561if !IA64_HP_SIM
562
563menu "Bus options (PCI, PCMCIA)"
564
565config PCI
566 bool "PCI support"
567 help
568 Real IA-64 machines all have PCI/PCI-X/PCI Express busses. Say Y
569 here unless you are using a simulator without PCI support.
570
571config PCI_DOMAINS
572 def_bool PCI
573
574config PCI_SYSCALL
575 def_bool PCI
576
577source "drivers/pci/Kconfig"
578
579source "drivers/pcmcia/Kconfig"
580
581endmenu
582
583endif
584
585source "net/Kconfig"
586
587source "drivers/Kconfig"
588
589source "arch/ia64/hp/sim/Kconfig"
590
591config MSPEC
592 tristate "Memory special operations driver"
593 depends on IA64
594 select IA64_UNCACHED_ALLOCATOR
595 help
596 If you have an ia64 and you want to enable memory special
597 operations support (formerly known as fetchop), say Y here,
598 otherwise say N.
599
600source "fs/Kconfig"
601
602source "arch/ia64/Kconfig.debug"
603
604source "security/Kconfig"
605
606source "crypto/Kconfig"
607
608source "lib/Kconfig"
609
610config IOMMU_HELPER
611 def_bool (IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB || IA64_GENERIC || SWIOTLB)