Loading...
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)
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
7menu "Processor type and features"
8
9config IA64
10 bool
11 select ARCH_BINFMT_ELF_EXTRA_PHDRS
12 select ARCH_HAS_DMA_MARK_CLEAN
13 select ARCH_HAS_STRNCPY_FROM_USER
14 select ARCH_HAS_STRNLEN_USER
15 select ARCH_MIGHT_HAVE_PC_PARPORT
16 select ARCH_MIGHT_HAVE_PC_SERIO
17 select ACPI
18 select ACPI_NUMA if NUMA
19 select ARCH_ENABLE_MEMORY_HOTPLUG
20 select ARCH_ENABLE_MEMORY_HOTREMOVE
21 select ARCH_SUPPORTS_ACPI
22 select ACPI_SYSTEM_POWER_STATES_SUPPORT if ACPI
23 select ARCH_MIGHT_HAVE_ACPI_PDC if ACPI
24 select FORCE_PCI
25 select PCI_DOMAINS if PCI
26 select PCI_MSI
27 select PCI_SYSCALL if PCI
28 select HAVE_ASM_MODVERSIONS
29 select HAVE_UNSTABLE_SCHED_CLOCK
30 select HAVE_EXIT_THREAD
31 select HAVE_KPROBES
32 select HAVE_KRETPROBES
33 select HAVE_FTRACE_MCOUNT_RECORD
34 select HAVE_DYNAMIC_FTRACE if (!ITANIUM)
35 select HAVE_FUNCTION_TRACER
36 select HAVE_SETUP_PER_CPU_AREA
37 select TTY
38 select HAVE_ARCH_TRACEHOOK
39 select HAVE_FUNCTION_DESCRIPTORS
40 select HAVE_VIRT_CPU_ACCOUNTING
41 select HUGETLB_PAGE_SIZE_VARIABLE if HUGETLB_PAGE
42 select GENERIC_IRQ_PROBE
43 select GENERIC_PENDING_IRQ if SMP
44 select GENERIC_IRQ_SHOW
45 select GENERIC_IRQ_LEGACY
46 select ARCH_HAVE_NMI_SAFE_CMPXCHG
47 select GENERIC_IOMAP
48 select GENERIC_SMP_IDLE_THREAD
49 select ARCH_TASK_STRUCT_ON_STACK
50 select ARCH_TASK_STRUCT_ALLOCATOR
51 select ARCH_THREAD_STACK_ALLOCATOR
52 select ARCH_CLOCKSOURCE_DATA
53 select GENERIC_TIME_VSYSCALL
54 select LEGACY_TIMER_TICK
55 select SWIOTLB
56 select SYSCTL_ARCH_UNALIGN_NO_WARN
57 select HAVE_MOD_ARCH_SPECIFIC
58 select MODULES_USE_ELF_RELA
59 select ARCH_USE_CMPXCHG_LOCKREF
60 select HAVE_ARCH_AUDITSYSCALL
61 select NEED_DMA_MAP_STATE
62 select NEED_SG_DMA_LENGTH
63 select NUMA if !FLATMEM
64 select PCI_MSI_ARCH_FALLBACKS if PCI_MSI
65 select ZONE_DMA32
66 select FUNCTION_ALIGNMENT_32B
67 default y
68 help
69 The Itanium Processor Family is Intel's 64-bit successor to
70 the 32-bit X86 line. The IA-64 Linux project has a home
71 page at <http://www.linuxia64.org/> and a mailing list at
72 <linux-ia64@vger.kernel.org>.
73
74config 64BIT
75 bool
76 select ATA_NONSTANDARD if ATA
77 default y
78
79config MMU
80 bool
81 default y
82
83config STACKTRACE_SUPPORT
84 def_bool y
85
86config GENERIC_LOCKBREAK
87 def_bool n
88
89config GENERIC_CALIBRATE_DELAY
90 bool
91 default y
92
93config DMI
94 bool
95 default y
96 select DMI_SCAN_MACHINE_NON_EFI_FALLBACK
97
98config EFI
99 bool
100 select UCS2_STRING
101 default y
102
103config SCHED_OMIT_FRAME_POINTER
104 bool
105 default y
106
107config IA64_UNCACHED_ALLOCATOR
108 bool
109 select GENERIC_ALLOCATOR
110
111config ARCH_USES_PG_UNCACHED
112 def_bool y
113 depends on IA64_UNCACHED_ALLOCATOR
114
115config AUDIT_ARCH
116 bool
117 default y
118
119choice
120 prompt "Processor type"
121 default ITANIUM
122
123config ITANIUM
124 bool "Itanium"
125 help
126 Select your IA-64 processor type. The default is Itanium.
127 This choice is safe for all IA-64 systems, but may not perform
128 optimally on systems with, say, Itanium 2 or newer processors.
129
130config MCKINLEY
131 bool "Itanium 2"
132 help
133 Select this to configure for an Itanium 2 (McKinley) processor.
134
135endchoice
136
137choice
138 prompt "Kernel page size"
139 default IA64_PAGE_SIZE_16KB
140
141config IA64_PAGE_SIZE_4KB
142 bool "4KB"
143 help
144 This lets you select the page size of the kernel. For best IA-64
145 performance, a page size of 8KB or 16KB is recommended. For best
146 IA-32 compatibility, a page size of 4KB should be selected (the vast
147 majority of IA-32 binaries work perfectly fine with a larger page
148 size). For Itanium 2 or newer systems, a page size of 64KB can also
149 be selected.
150
151 4KB For best IA-32 compatibility
152 8KB For best IA-64 performance
153 16KB For best IA-64 performance
154 64KB Requires Itanium 2 or newer processor.
155
156 If you don't know what to do, choose 16KB.
157
158config IA64_PAGE_SIZE_8KB
159 bool "8KB"
160
161config IA64_PAGE_SIZE_16KB
162 bool "16KB"
163
164config IA64_PAGE_SIZE_64KB
165 depends on !ITANIUM
166 bool "64KB"
167
168endchoice
169
170source "kernel/Kconfig.hz"
171
172config IA64_BRL_EMU
173 bool
174 depends on ITANIUM
175 default y
176
177# align cache-sensitive data to 128 bytes
178config IA64_L1_CACHE_SHIFT
179 int
180 default "7" if MCKINLEY
181 default "6" if ITANIUM
182
183config IA64_SGI_UV
184 bool "SGI-UV support"
185 help
186 Selecting this option will add specific support for running on SGI
187 UV based systems. If you have an SGI UV system or are building a
188 distro kernel, select this option.
189
190config IA64_HP_SBA_IOMMU
191 bool "HP SBA IOMMU support"
192 select DMA_OPS
193 default y
194 help
195 Say Y here to add support for the SBA IOMMU found on HP zx1 and
196 sx1000 systems. If you're unsure, answer Y.
197
198config IA64_CYCLONE
199 bool "Cyclone (EXA) Time Source support"
200 help
201 Say Y here to enable support for IBM EXA Cyclone time source.
202 If you're unsure, answer N.
203
204config ARCH_FORCE_MAX_ORDER
205 int "MAX_ORDER (11 - 17)" if !HUGETLB_PAGE
206 range 11 17 if !HUGETLB_PAGE
207 default "17" if HUGETLB_PAGE
208 default "11"
209
210config SMP
211 bool "Symmetric multi-processing support"
212 help
213 This enables support for systems with more than one CPU. If you have
214 a system with only one CPU, say N. If you have a system with more
215 than one CPU, say Y.
216
217 If you say N here, the kernel will run on single and multiprocessor
218 systems, but will use only one CPU of a multiprocessor system. If
219 you say Y here, the kernel will run on many, but not all,
220 single processor systems. On a single processor system, the kernel
221 will run faster if you say N here.
222
223 See also the SMP-HOWTO available at
224 <http://www.tldp.org/docs.html#howto>.
225
226 If you don't know what to do here, say N.
227
228config NR_CPUS
229 int "Maximum number of CPUs (2-4096)"
230 range 2 4096
231 depends on SMP
232 default "4096"
233 help
234 You should set this to the number of CPUs in your system, but
235 keep in mind that a kernel compiled for, e.g., 2 CPUs will boot but
236 only use 2 CPUs on a >2 CPU system. Setting this to a value larger
237 than 64 will cause the use of a CPU mask array, causing a small
238 performance hit.
239
240config HOTPLUG_CPU
241 bool "Support for hot-pluggable CPUs"
242 depends on SMP
243 default n
244 help
245 Say Y here to experiment with turning CPUs off and on. CPUs
246 can be controlled through /sys/devices/system/cpu/cpu#.
247 Say N if you want to disable CPU hotplug.
248
249config SCHED_SMT
250 bool "SMT scheduler support"
251 depends on SMP
252 help
253 Improves the CPU scheduler's decision making when dealing with
254 Intel IA64 chips with MultiThreading at a cost of slightly increased
255 overhead in some places. If unsure say N here.
256
257config PERMIT_BSP_REMOVE
258 bool "Support removal of Bootstrap Processor"
259 depends on HOTPLUG_CPU
260 default n
261 help
262 Say Y here if your platform SAL will support removal of BSP with HOTPLUG_CPU
263 support.
264
265config FORCE_CPEI_RETARGET
266 bool "Force assumption that CPEI can be re-targeted"
267 depends on PERMIT_BSP_REMOVE
268 default n
269 help
270 Say Y if you need to force the assumption that CPEI can be re-targeted to
271 any cpu in the system. This hint is available via ACPI 3.0 specifications.
272 Tiger4 systems are capable of re-directing CPEI to any CPU other than BSP.
273 This option it useful to enable this feature on older BIOS's as well.
274 You can also enable this by using boot command line option force_cpei=1.
275
276config ARCH_SELECT_MEMORY_MODEL
277 def_bool y
278
279config ARCH_FLATMEM_ENABLE
280 def_bool y
281
282config ARCH_SPARSEMEM_ENABLE
283 def_bool y
284 select SPARSEMEM_VMEMMAP_ENABLE
285
286config ARCH_SPARSEMEM_DEFAULT
287 def_bool y
288 depends on ARCH_SPARSEMEM_ENABLE
289
290config NUMA
291 bool "NUMA support"
292 depends on !FLATMEM
293 select SMP
294 select USE_PERCPU_NUMA_NODE_ID
295 help
296 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
297 Access). This option is for configuring high-end multiprocessor
298 server systems. If in doubt, say N.
299
300config NODES_SHIFT
301 int "Max num nodes shift(3-10)"
302 range 3 10
303 default "10"
304 depends on NUMA
305 help
306 This option specifies the maximum number of nodes in your SSI system.
307 MAX_NUMNODES will be 2^(This value).
308 If in doubt, use the default.
309
310config HAVE_ARCH_NODEDATA_EXTENSION
311 def_bool y
312 depends on NUMA
313
314config HAVE_MEMORYLESS_NODES
315 def_bool NUMA
316
317config ARCH_PROC_KCORE_TEXT
318 def_bool y
319 depends on PROC_KCORE
320
321config IA64_MCA_RECOVERY
322 bool "MCA recovery from errors other than TLB."
323
324config IA64_PALINFO
325 tristate "/proc/pal support"
326 help
327 If you say Y here, you are able to get PAL (Processor Abstraction
328 Layer) information in /proc/pal. This contains useful information
329 about the processors in your systems, such as cache and TLB sizes
330 and the PAL firmware version in use.
331
332 To use this option, you have to ensure that the "/proc file system
333 support" (CONFIG_PROC_FS) is enabled, too.
334
335config IA64_MC_ERR_INJECT
336 tristate "MC error injection support"
337 help
338 Adds support for MC error injection. If enabled, the kernel
339 will provide a sysfs interface for user applications to
340 call MC error injection PAL procedures to inject various errors.
341 This is a useful tool for MCA testing.
342
343 If you're unsure, do not select this option.
344
345config IA64_ESI
346 bool "ESI (Extensible SAL Interface) support"
347 help
348 If you say Y here, support is built into the kernel to
349 make ESI calls. ESI calls are used to support vendor-specific
350 firmware extensions, such as the ability to inject memory-errors
351 for test-purposes. If you're unsure, say N.
352
353config IA64_HP_AML_NFW
354 bool "Support ACPI AML calls to native firmware"
355 help
356 This driver installs a global ACPI Operation Region handler for
357 region 0xA1. AML methods can use this OpRegion to call arbitrary
358 native firmware functions. The driver installs the OpRegion
359 handler if there is an HPQ5001 device or if the user supplies
360 the "force" module parameter, e.g., with the "aml_nfw.force"
361 kernel command line option.
362
363config KEXEC
364 bool "kexec system call"
365 depends on !SMP || HOTPLUG_CPU
366 select KEXEC_CORE
367 help
368 kexec is a system call that implements the ability to shutdown your
369 current kernel, and to start another kernel. It is like a reboot
370 but it is independent of the system firmware. And like a reboot
371 you can start any kernel with it, not just Linux.
372
373 The name comes from the similarity to the exec system call.
374
375 It is an ongoing process to be certain the hardware in a machine
376 is properly shutdown, so do not be surprised if this code does not
377 initially work for you. As of this writing the exact hardware
378 interface is strongly in flux, so no good recommendation can be
379 made.
380
381config CRASH_DUMP
382 bool "kernel crash dumps"
383 depends on IA64_MCA_RECOVERY && (!SMP || HOTPLUG_CPU)
384 help
385 Generate crash dump after being started by kexec.
386
387endmenu
388
389menu "Power management and ACPI options"
390
391source "kernel/power/Kconfig"
392
393source "drivers/acpi/Kconfig"
394
395if PM
396menu "CPU Frequency scaling"
397source "drivers/cpufreq/Kconfig"
398endmenu
399endif
400
401endmenu
402
403config MSPEC
404 tristate "Memory special operations driver"
405 depends on IA64
406 select IA64_UNCACHED_ALLOCATOR
407 help
408 If you have an ia64 and you want to enable memory special
409 operations support (formerly known as fetchop), say Y here,
410 otherwise say N.