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1# SPDX-License-Identifier: GPL-2.0
2config PGTABLE_LEVELS
3 int "Page Table Levels" if !IA64_PAGE_SIZE_64KB
4 range 3 4 if !IA64_PAGE_SIZE_64KB
5 default 3
6
7source "init/Kconfig"
8
9source "kernel/Kconfig.freezer"
10
11menu "Processor type and features"
12
13config IA64
14 bool
15 select ARCH_MIGHT_HAVE_PC_PARPORT
16 select ARCH_MIGHT_HAVE_PC_SERIO
17 select PCI if (!IA64_HP_SIM)
18 select ACPI if (!IA64_HP_SIM)
19 select ACPI_SYSTEM_POWER_STATES_SUPPORT if ACPI
20 select ARCH_MIGHT_HAVE_ACPI_PDC if ACPI
21 select HAVE_UNSTABLE_SCHED_CLOCK
22 select HAVE_EXIT_THREAD
23 select HAVE_IDE
24 select HAVE_OPROFILE
25 select HAVE_KPROBES
26 select HAVE_KRETPROBES
27 select HAVE_FTRACE_MCOUNT_RECORD
28 select HAVE_DYNAMIC_FTRACE if (!ITANIUM)
29 select HAVE_FUNCTION_TRACER
30 select TTY
31 select HAVE_ARCH_TRACEHOOK
32 select HAVE_DMA_API_DEBUG
33 select HAVE_MEMBLOCK
34 select HAVE_MEMBLOCK_NODE_MAP
35 select HAVE_VIRT_CPU_ACCOUNTING
36 select ARCH_HAS_DMA_MARK_CLEAN
37 select ARCH_HAS_SG_CHAIN
38 select VIRT_TO_BUS
39 select ARCH_DISCARD_MEMBLOCK
40 select GENERIC_IRQ_PROBE
41 select GENERIC_PENDING_IRQ if SMP
42 select GENERIC_IRQ_SHOW
43 select GENERIC_IRQ_LEGACY
44 select ARCH_HAVE_NMI_SAFE_CMPXCHG
45 select GENERIC_IOMAP
46 select GENERIC_SMP_IDLE_THREAD
47 select ARCH_TASK_STRUCT_ON_STACK
48 select ARCH_TASK_STRUCT_ALLOCATOR
49 select ARCH_THREAD_STACK_ALLOCATOR
50 select ARCH_CLOCKSOURCE_DATA
51 select GENERIC_TIME_VSYSCALL
52 select SYSCTL_ARCH_UNALIGN_NO_WARN
53 select HAVE_MOD_ARCH_SPECIFIC
54 select MODULES_USE_ELF_RELA
55 select ARCH_USE_CMPXCHG_LOCKREF
56 select HAVE_ARCH_AUDITSYSCALL
57 default y
58 help
59 The Itanium Processor Family is Intel's 64-bit successor to
60 the 32-bit X86 line. The IA-64 Linux project has a home
61 page at <http://www.linuxia64.org/> and a mailing list at
62 <linux-ia64@vger.kernel.org>.
63
64config 64BIT
65 bool
66 select ATA_NONSTANDARD if ATA
67 default y
68
69config ZONE_DMA32
70 def_bool y
71 depends on !IA64_SGI_SN2
72
73config QUICKLIST
74 bool
75 default y
76
77config MMU
78 bool
79 default y
80
81config ARCH_DMA_ADDR_T_64BIT
82 def_bool y
83
84config NEED_DMA_MAP_STATE
85 def_bool y
86
87config NEED_SG_DMA_LENGTH
88 def_bool y
89
90config SWIOTLB
91 bool
92
93config STACKTRACE_SUPPORT
94 def_bool y
95
96config GENERIC_LOCKBREAK
97 def_bool n
98
99config RWSEM_XCHGADD_ALGORITHM
100 bool
101 default y
102
103config HUGETLB_PAGE_SIZE_VARIABLE
104 bool
105 depends on HUGETLB_PAGE
106 default y
107
108config GENERIC_CALIBRATE_DELAY
109 bool
110 default y
111
112config HAVE_SETUP_PER_CPU_AREA
113 def_bool y
114
115config DMI
116 bool
117 default y
118 select DMI_SCAN_MACHINE_NON_EFI_FALLBACK
119
120config EFI
121 bool
122 select UCS2_STRING
123 default y
124
125config SCHED_OMIT_FRAME_POINTER
126 bool
127 default y
128
129config IA64_UNCACHED_ALLOCATOR
130 bool
131 select GENERIC_ALLOCATOR
132
133config ARCH_USES_PG_UNCACHED
134 def_bool y
135 depends on IA64_UNCACHED_ALLOCATOR
136
137config AUDIT_ARCH
138 bool
139 default y
140
141choice
142 prompt "System type"
143 default IA64_GENERIC
144
145config IA64_GENERIC
146 bool "generic"
147 select NUMA
148 select ACPI_NUMA
149 select DMA_DIRECT_OPS
150 select SWIOTLB
151 select PCI_MSI
152 help
153 This selects the system type of your hardware. A "generic" kernel
154 will run on any supported IA-64 system. However, if you configure
155 a kernel for your specific system, it will be faster and smaller.
156
157 generic For any supported IA-64 system
158 DIG-compliant For DIG ("Developer's Interface Guide") compliant systems
159 DIG+Intel+IOMMU For DIG systems with Intel IOMMU
160 HP-zx1/sx1000 For HP systems
161 HP-zx1/sx1000+swiotlb For HP systems with (broken) DMA-constrained devices.
162 SGI-SN2 For SGI Altix systems
163 SGI-UV For SGI UV systems
164 Ski-simulator For the HP simulator <http://www.hpl.hp.com/research/linux/ski/>
165
166 If you don't know what to do, choose "generic".
167
168config IA64_DIG
169 bool "DIG-compliant"
170 select DMA_DIRECT_OPS
171 select SWIOTLB
172
173config IA64_DIG_VTD
174 bool "DIG+Intel+IOMMU"
175 select INTEL_IOMMU
176 select PCI_MSI
177
178config IA64_HP_ZX1
179 bool "HP-zx1/sx1000"
180 help
181 Build a kernel that runs on HP zx1 and sx1000 systems. This adds
182 support for the HP I/O MMU.
183
184config IA64_HP_ZX1_SWIOTLB
185 bool "HP-zx1/sx1000 with software I/O TLB"
186 select DMA_DIRECT_OPS
187 select SWIOTLB
188 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"
197 select NUMA
198 select ACPI_NUMA
199 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
206config IA64_SGI_UV
207 bool "SGI-UV"
208 select NUMA
209 select ACPI_NUMA
210 select DMA_DIRECT_OPS
211 select SWIOTLB
212 help
213 Selecting this option will optimize the kernel for use on UV based
214 systems, but the resulting kernel binary will not run on other
215 types of ia64 systems. If you have an SGI UV system, it's safe
216 to select this option. If in doubt, select ia64 generic support
217 instead.
218
219config IA64_HP_SIM
220 bool "Ski-simulator"
221 select DMA_DIRECT_OPS
222 select SWIOTLB
223 depends on !PM
224
225endchoice
226
227choice
228 prompt "Processor type"
229 default ITANIUM
230
231config ITANIUM
232 bool "Itanium"
233 help
234 Select your IA-64 processor type. The default is Itanium.
235 This choice is safe for all IA-64 systems, but may not perform
236 optimally on systems with, say, Itanium 2 or newer processors.
237
238config MCKINLEY
239 bool "Itanium 2"
240 help
241 Select this to configure for an Itanium 2 (McKinley) processor.
242
243endchoice
244
245choice
246 prompt "Kernel page size"
247 default IA64_PAGE_SIZE_16KB
248
249config IA64_PAGE_SIZE_4KB
250 bool "4KB"
251 help
252 This lets you select the page size of the kernel. For best IA-64
253 performance, a page size of 8KB or 16KB is recommended. For best
254 IA-32 compatibility, a page size of 4KB should be selected (the vast
255 majority of IA-32 binaries work perfectly fine with a larger page
256 size). For Itanium 2 or newer systems, a page size of 64KB can also
257 be selected.
258
259 4KB For best IA-32 compatibility
260 8KB For best IA-64 performance
261 16KB For best IA-64 performance
262 64KB Requires Itanium 2 or newer processor.
263
264 If you don't know what to do, choose 16KB.
265
266config IA64_PAGE_SIZE_8KB
267 bool "8KB"
268
269config IA64_PAGE_SIZE_16KB
270 bool "16KB"
271
272config IA64_PAGE_SIZE_64KB
273 depends on !ITANIUM
274 bool "64KB"
275
276endchoice
277
278if IA64_HP_SIM
279config HZ
280 default 32
281endif
282
283if !IA64_HP_SIM
284source kernel/Kconfig.hz
285endif
286
287config IA64_BRL_EMU
288 bool
289 depends on ITANIUM
290 default y
291
292# align cache-sensitive data to 128 bytes
293config IA64_L1_CACHE_SHIFT
294 int
295 default "7" if MCKINLEY
296 default "6" if ITANIUM
297
298config IA64_CYCLONE
299 bool "Cyclone (EXA) Time Source support"
300 help
301 Say Y here to enable support for IBM EXA Cyclone time source.
302 If you're unsure, answer N.
303
304config IOSAPIC
305 bool
306 depends on !IA64_HP_SIM
307 default y
308
309config FORCE_MAX_ZONEORDER
310 int "MAX_ORDER (11 - 17)" if !HUGETLB_PAGE
311 range 11 17 if !HUGETLB_PAGE
312 default "17" if HUGETLB_PAGE
313 default "11"
314
315config SMP
316 bool "Symmetric multi-processing support"
317 help
318 This enables support for systems with more than one CPU. If you have
319 a system with only one CPU, say N. If you have a system with more
320 than one CPU, say Y.
321
322 If you say N here, the kernel will run on single and multiprocessor
323 systems, but will use only one CPU of a multiprocessor system. If
324 you say Y here, the kernel will run on many, but not all,
325 single processor systems. On a single processor system, the kernel
326 will run faster if you say N here.
327
328 See also the SMP-HOWTO available at
329 <http://www.tldp.org/docs.html#howto>.
330
331 If you don't know what to do here, say N.
332
333config NR_CPUS
334 int "Maximum number of CPUs (2-4096)"
335 range 2 4096
336 depends on SMP
337 default "4096"
338 help
339 You should set this to the number of CPUs in your system, but
340 keep in mind that a kernel compiled for, e.g., 2 CPUs will boot but
341 only use 2 CPUs on a >2 CPU system. Setting this to a value larger
342 than 64 will cause the use of a CPU mask array, causing a small
343 performance hit.
344
345config HOTPLUG_CPU
346 bool "Support for hot-pluggable CPUs"
347 depends on SMP
348 default n
349 ---help---
350 Say Y here to experiment with turning CPUs off and on. CPUs
351 can be controlled through /sys/devices/system/cpu/cpu#.
352 Say N if you want to disable CPU hotplug.
353
354config ARCH_ENABLE_MEMORY_HOTPLUG
355 def_bool y
356
357config ARCH_ENABLE_MEMORY_HOTREMOVE
358 def_bool y
359
360config SCHED_SMT
361 bool "SMT scheduler support"
362 depends on SMP
363 help
364 Improves the CPU scheduler's decision making when dealing with
365 Intel IA64 chips with MultiThreading at a cost of slightly increased
366 overhead in some places. If unsure say N here.
367
368config PERMIT_BSP_REMOVE
369 bool "Support removal of Bootstrap Processor"
370 depends on HOTPLUG_CPU
371 default n
372 ---help---
373 Say Y here if your platform SAL will support removal of BSP with HOTPLUG_CPU
374 support.
375
376config FORCE_CPEI_RETARGET
377 bool "Force assumption that CPEI can be re-targeted"
378 depends on PERMIT_BSP_REMOVE
379 default n
380 ---help---
381 Say Y if you need to force the assumption that CPEI can be re-targeted to
382 any cpu in the system. This hint is available via ACPI 3.0 specifications.
383 Tiger4 systems are capable of re-directing CPEI to any CPU other than BSP.
384 This option it useful to enable this feature on older BIOS's as well.
385 You can also enable this by using boot command line option force_cpei=1.
386
387source "kernel/Kconfig.preempt"
388
389source "mm/Kconfig"
390
391config ARCH_SELECT_MEMORY_MODEL
392 def_bool y
393
394config ARCH_DISCONTIGMEM_ENABLE
395 def_bool y
396 help
397 Say Y to support efficient handling of discontiguous physical memory,
398 for architectures which are either NUMA (Non-Uniform Memory Access)
399 or have huge holes in the physical address space for other reasons.
400 See <file:Documentation/vm/numa> for more.
401
402config ARCH_FLATMEM_ENABLE
403 def_bool y
404
405config ARCH_SPARSEMEM_ENABLE
406 def_bool y
407 depends on ARCH_DISCONTIGMEM_ENABLE
408 select SPARSEMEM_VMEMMAP_ENABLE
409
410config ARCH_DISCONTIGMEM_DEFAULT
411 def_bool y if (IA64_SGI_SN2 || IA64_GENERIC || IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB)
412 depends on ARCH_DISCONTIGMEM_ENABLE
413
414config NUMA
415 bool "NUMA support"
416 depends on !IA64_HP_SIM && !FLATMEM
417 default y if IA64_SGI_SN2
418 select ACPI_NUMA if ACPI
419 help
420 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
421 Access). This option is for configuring high-end multiprocessor
422 server systems. If in doubt, say N.
423
424config NODES_SHIFT
425 int "Max num nodes shift(3-10)"
426 range 3 10
427 default "10"
428 depends on NEED_MULTIPLE_NODES
429 help
430 This option specifies the maximum number of nodes in your SSI system.
431 MAX_NUMNODES will be 2^(This value).
432 If in doubt, use the default.
433
434# VIRTUAL_MEM_MAP and FLAT_NODE_MEM_MAP are functionally equivalent.
435# VIRTUAL_MEM_MAP has been retained for historical reasons.
436config VIRTUAL_MEM_MAP
437 bool "Virtual mem map"
438 depends on !SPARSEMEM
439 default y if !IA64_HP_SIM
440 help
441 Say Y to compile the kernel with support for a virtual mem map.
442 This code also only takes effect if a memory hole of greater than
443 1 Gb is found during boot. You must turn this option on if you
444 require the DISCONTIGMEM option for your machine. If you are
445 unsure, say Y.
446
447config HOLES_IN_ZONE
448 bool
449 default y if VIRTUAL_MEM_MAP
450
451config HAVE_ARCH_EARLY_PFN_TO_NID
452 def_bool NUMA && SPARSEMEM
453
454config HAVE_ARCH_NODEDATA_EXTENSION
455 def_bool y
456 depends on NUMA
457
458config USE_PERCPU_NUMA_NODE_ID
459 def_bool y
460 depends on NUMA
461
462config HAVE_MEMORYLESS_NODES
463 def_bool NUMA
464
465config ARCH_PROC_KCORE_TEXT
466 def_bool y
467 depends on PROC_KCORE
468
469config IA64_MCA_RECOVERY
470 tristate "MCA recovery from errors other than TLB."
471
472config PERFMON
473 bool "Performance monitor support"
474 help
475 Selects whether support for the IA-64 performance monitor hardware
476 is included in the kernel. This makes some kernel data-structures a
477 little bigger and slows down execution a bit, but it is generally
478 a good idea to turn this on. If you're unsure, say Y.
479
480config IA64_PALINFO
481 tristate "/proc/pal support"
482 help
483 If you say Y here, you are able to get PAL (Processor Abstraction
484 Layer) information in /proc/pal. This contains useful information
485 about the processors in your systems, such as cache and TLB sizes
486 and the PAL firmware version in use.
487
488 To use this option, you have to ensure that the "/proc file system
489 support" (CONFIG_PROC_FS) is enabled, too.
490
491config IA64_MC_ERR_INJECT
492 tristate "MC error injection support"
493 help
494 Adds support for MC error injection. If enabled, the kernel
495 will provide a sysfs interface for user applications to
496 call MC error injection PAL procedures to inject various errors.
497 This is a useful tool for MCA testing.
498
499 If you're unsure, do not select this option.
500
501config SGI_SN
502 def_bool y if (IA64_SGI_SN2 || IA64_GENERIC)
503
504config IA64_ESI
505 bool "ESI (Extensible SAL Interface) support"
506 help
507 If you say Y here, support is built into the kernel to
508 make ESI calls. ESI calls are used to support vendor-specific
509 firmware extensions, such as the ability to inject memory-errors
510 for test-purposes. If you're unsure, say N.
511
512config IA64_HP_AML_NFW
513 bool "Support ACPI AML calls to native firmware"
514 help
515 This driver installs a global ACPI Operation Region handler for
516 region 0xA1. AML methods can use this OpRegion to call arbitrary
517 native firmware functions. The driver installs the OpRegion
518 handler if there is an HPQ5001 device or if the user supplies
519 the "force" module parameter, e.g., with the "aml_nfw.force"
520 kernel command line option.
521
522source "drivers/sn/Kconfig"
523
524config KEXEC
525 bool "kexec system call"
526 depends on !IA64_HP_SIM && (!SMP || HOTPLUG_CPU)
527 select KEXEC_CORE
528 help
529 kexec is a system call that implements the ability to shutdown your
530 current kernel, and to start another kernel. It is like a reboot
531 but it is independent of the system firmware. And like a reboot
532 you can start any kernel with it, not just Linux.
533
534 The name comes from the similarity to the exec system call.
535
536 It is an ongoing process to be certain the hardware in a machine
537 is properly shutdown, so do not be surprised if this code does not
538 initially work for you. As of this writing the exact hardware
539 interface is strongly in flux, so no good recommendation can be
540 made.
541
542config CRASH_DUMP
543 bool "kernel crash dumps"
544 depends on IA64_MCA_RECOVERY && !IA64_HP_SIM && (!SMP || HOTPLUG_CPU)
545 help
546 Generate crash dump after being started by kexec.
547
548source "drivers/firmware/Kconfig"
549
550source "fs/Kconfig.binfmt"
551
552endmenu
553
554menu "Power management and ACPI options"
555
556source "kernel/power/Kconfig"
557
558source "drivers/acpi/Kconfig"
559
560if PM
561menu "CPU Frequency scaling"
562source "drivers/cpufreq/Kconfig"
563endmenu
564endif
565
566endmenu
567
568if !IA64_HP_SIM
569
570menu "Bus options (PCI, PCMCIA)"
571
572config PCI
573 bool "PCI support"
574 help
575 Real IA-64 machines all have PCI/PCI-X/PCI Express busses. Say Y
576 here unless you are using a simulator without PCI support.
577
578config PCI_DOMAINS
579 def_bool PCI
580
581config PCI_SYSCALL
582 def_bool PCI
583
584source "drivers/pci/Kconfig"
585
586source "drivers/pcmcia/Kconfig"
587
588endmenu
589
590endif
591
592source "net/Kconfig"
593
594source "drivers/Kconfig"
595
596source "arch/ia64/hp/sim/Kconfig"
597
598config MSPEC
599 tristate "Memory special operations driver"
600 depends on IA64
601 select IA64_UNCACHED_ALLOCATOR
602 help
603 If you have an ia64 and you want to enable memory special
604 operations support (formerly known as fetchop), say Y here,
605 otherwise say N.
606
607source "fs/Kconfig"
608
609source "arch/ia64/Kconfig.debug"
610
611source "security/Kconfig"
612
613source "crypto/Kconfig"
614
615source "lib/Kconfig"
616
617config IOMMU_HELPER
618 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)