]>
Commit | Line | Data |
---|---|---|
b2441318 | 1 | # SPDX-License-Identifier: GPL-2.0 |
4d66bcc7 KS |
2 | config 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 | ||
1da177e4 LT |
7 | menu "Processor type and features" |
8 | ||
9 | config IA64 | |
10 | bool | |
abdaf11a | 11 | select ARCH_HAS_DMA_MARK_CLEAN |
468bcf08 | 12 | select ARCH_MIGHT_HAVE_PC_PARPORT |
bbc4e596 | 13 | select ARCH_MIGHT_HAVE_PC_SERIO |
fc5bad03 | 14 | select ACPI |
df41017e | 15 | select ACPI_NUMA if NUMA |
fc5bad03 | 16 | select ARCH_SUPPORTS_ACPI |
6e0a0ea1 | 17 | select ACPI_SYSTEM_POWER_STATES_SUPPORT if ACPI |
46ba51ea | 18 | select ARCH_MIGHT_HAVE_ACPI_PDC if ACPI |
fc5bad03 | 19 | select FORCE_PCI |
2eac9c2d | 20 | select PCI_DOMAINS if PCI |
df41017e | 21 | select PCI_MSI |
20f1b79d | 22 | select PCI_SYSCALL if PCI |
2ff2b7ec | 23 | select HAVE_ASM_MODVERSIONS |
0773a6cf | 24 | select HAVE_UNSTABLE_SCHED_CLOCK |
5f56a5df | 25 | select HAVE_EXIT_THREAD |
ec7748b5 | 26 | select HAVE_IDE |
42d4b839 | 27 | select HAVE_OPROFILE |
3f550096 | 28 | select HAVE_KPROBES |
9edddaa2 | 29 | select HAVE_KRETPROBES |
a14a07b8 SL |
30 | select HAVE_FTRACE_MCOUNT_RECORD |
31 | select HAVE_DYNAMIC_FTRACE if (!ITANIUM) | |
d3e75ff1 | 32 | select HAVE_FUNCTION_TRACER |
6035d9db | 33 | select TTY |
9690ad03 | 34 | select HAVE_ARCH_TRACEHOOK |
b952741c | 35 | select HAVE_VIRT_CPU_ACCOUNTING |
4febd95a | 36 | select VIRT_TO_BUS |
c5e66129 TG |
37 | select GENERIC_IRQ_PROBE |
38 | select GENERIC_PENDING_IRQ if SMP | |
e3d78122 | 39 | select GENERIC_IRQ_SHOW |
4debd723 | 40 | select GENERIC_IRQ_LEGACY |
df013ffb | 41 | select ARCH_HAVE_NMI_SAFE_CMPXCHG |
4673ca8e | 42 | select GENERIC_IOMAP |
13583bf1 | 43 | select GENERIC_SMP_IDLE_THREAD |
0500871f | 44 | select ARCH_TASK_STRUCT_ON_STACK |
f5e10287 | 45 | select ARCH_TASK_STRUCT_ALLOCATOR |
b235beea | 46 | select ARCH_THREAD_STACK_ALLOCATOR |
21b19710 | 47 | select ARCH_CLOCKSOURCE_DATA |
d4d1fc61 | 48 | select GENERIC_TIME_VSYSCALL |
2b49ddce | 49 | select LEGACY_TIMER_TICK |
df41017e | 50 | select SWIOTLB |
b6fca725 | 51 | select SYSCTL_ARCH_UNALIGN_NO_WARN |
786d35d4 DH |
52 | select HAVE_MOD_ARCH_SPECIFIC |
53 | select MODULES_USE_ELF_RELA | |
71c7356f | 54 | select ARCH_USE_CMPXCHG_LOCKREF |
7a017721 | 55 | select HAVE_ARCH_AUDITSYSCALL |
f616ab59 | 56 | select NEED_DMA_MAP_STATE |
86596f0a | 57 | select NEED_SG_DMA_LENGTH |
df41017e | 58 | select NUMA if !FLATMEM |
981aa1d3 | 59 | select PCI_MSI_ARCH_FALLBACKS if PCI_MSI |
5e6e9852 | 60 | select SET_FS |
1da177e4 LT |
61 | default y |
62 | help | |
63 | The Itanium Processor Family is Intel's 64-bit successor to | |
64 | the 32-bit X86 line. The IA-64 Linux project has a home | |
65 | page at <http://www.linuxia64.org/> and a mailing list at | |
66 | <linux-ia64@vger.kernel.org>. | |
67 | ||
68 | config 64BIT | |
69 | bool | |
9f271d57 | 70 | select ATA_NONSTANDARD if ATA |
1da177e4 LT |
71 | default y |
72 | ||
d5c23ebf | 73 | config ZONE_DMA32 |
09ae1f58 | 74 | def_bool y |
66701b14 | 75 | |
1da177e4 LT |
76 | config MMU |
77 | bool | |
78 | default y | |
79 | ||
85718fae TL |
80 | config STACKTRACE_SUPPORT |
81 | def_bool y | |
82 | ||
95c354fe | 83 | config GENERIC_LOCKBREAK |
2c86963b | 84 | def_bool n |
95c354fe | 85 | |
d9c23400 MG |
86 | config HUGETLB_PAGE_SIZE_VARIABLE |
87 | bool | |
88 | depends on HUGETLB_PAGE | |
89 | default y | |
90 | ||
1da177e4 LT |
91 | config GENERIC_CALIBRATE_DELAY |
92 | bool | |
93 | default y | |
94 | ||
988c388a | 95 | config HAVE_SETUP_PER_CPU_AREA |
b32ef636 | 96 | def_bool y |
97 | ||
3ed3bce8 MD |
98 | config DMI |
99 | bool | |
100 | default y | |
cf074402 | 101 | select DMI_SCAN_MACHINE_NON_EFI_FALLBACK |
3ed3bce8 | 102 | |
1da177e4 LT |
103 | config EFI |
104 | bool | |
a614e192 | 105 | select UCS2_STRING |
1da177e4 LT |
106 | default y |
107 | ||
ae1e9130 | 108 | config SCHED_OMIT_FRAME_POINTER |
7d12e522 AB |
109 | bool |
110 | default y | |
111 | ||
f14f75b8 JS |
112 | config IA64_UNCACHED_ALLOCATOR |
113 | bool | |
114 | select GENERIC_ALLOCATOR | |
115 | ||
46cf98cd VP |
116 | config ARCH_USES_PG_UNCACHED |
117 | def_bool y | |
118 | depends on IA64_UNCACHED_ALLOCATOR | |
119 | ||
e65e1fc2 AV |
120 | config AUDIT_ARCH |
121 | bool | |
122 | default y | |
123 | ||
1da177e4 LT |
124 | choice |
125 | prompt "Processor type" | |
126 | default ITANIUM | |
127 | ||
128 | config ITANIUM | |
129 | bool "Itanium" | |
130 | help | |
131 | Select your IA-64 processor type. The default is Itanium. | |
132 | This choice is safe for all IA-64 systems, but may not perform | |
133 | optimally on systems with, say, Itanium 2 or newer processors. | |
134 | ||
135 | config MCKINLEY | |
136 | bool "Itanium 2" | |
137 | help | |
138 | Select this to configure for an Itanium 2 (McKinley) processor. | |
139 | ||
140 | endchoice | |
141 | ||
142 | choice | |
143 | prompt "Kernel page size" | |
144 | default IA64_PAGE_SIZE_16KB | |
145 | ||
146 | config IA64_PAGE_SIZE_4KB | |
147 | bool "4KB" | |
148 | help | |
149 | This lets you select the page size of the kernel. For best IA-64 | |
150 | performance, a page size of 8KB or 16KB is recommended. For best | |
151 | IA-32 compatibility, a page size of 4KB should be selected (the vast | |
152 | majority of IA-32 binaries work perfectly fine with a larger page | |
153 | size). For Itanium 2 or newer systems, a page size of 64KB can also | |
154 | be selected. | |
155 | ||
156 | 4KB For best IA-32 compatibility | |
157 | 8KB For best IA-64 performance | |
158 | 16KB For best IA-64 performance | |
159 | 64KB Requires Itanium 2 or newer processor. | |
160 | ||
161 | If you don't know what to do, choose 16KB. | |
162 | ||
163 | config IA64_PAGE_SIZE_8KB | |
164 | bool "8KB" | |
165 | ||
166 | config IA64_PAGE_SIZE_16KB | |
167 | bool "16KB" | |
168 | ||
169 | config IA64_PAGE_SIZE_64KB | |
170 | depends on !ITANIUM | |
171 | bool "64KB" | |
172 | ||
173 | endchoice | |
174 | ||
8636a1f9 | 175 | source "kernel/Kconfig.hz" |
b5d23e5b | 176 | |
1da177e4 LT |
177 | config IA64_BRL_EMU |
178 | bool | |
179 | depends on ITANIUM | |
180 | default y | |
181 | ||
182 | # align cache-sensitive data to 128 bytes | |
183 | config IA64_L1_CACHE_SHIFT | |
184 | int | |
185 | default "7" if MCKINLEY | |
186 | default "6" if ITANIUM | |
187 | ||
df41017e CH |
188 | config IA64_SGI_UV |
189 | bool "SGI-UV support" | |
190 | help | |
191 | Selecting this option will add specific support for running on SGI | |
192 | UV based systems. If you have an SGI UV system or are building a | |
193 | distro kernel, select this option. | |
194 | ||
195 | config IA64_HP_SBA_IOMMU | |
196 | bool "HP SBA IOMMU support" | |
2f9237d4 | 197 | select DMA_OPS |
df41017e CH |
198 | default y |
199 | help | |
200 | Say Y here to add support for the SBA IOMMU found on HP zx1 and | |
201 | sx1000 systems. If you're unsure, answer Y. | |
202 | ||
1da177e4 LT |
203 | config IA64_CYCLONE |
204 | bool "Cyclone (EXA) Time Source support" | |
205 | help | |
206 | Say Y here to enable support for IBM EXA Cyclone time source. | |
207 | If you're unsure, answer N. | |
208 | ||
1da177e4 | 209 | config FORCE_MAX_ZONEORDER |
da9577c5 BP |
210 | int "MAX_ORDER (11 - 17)" if !HUGETLB_PAGE |
211 | range 11 17 if !HUGETLB_PAGE | |
212 | default "17" if HUGETLB_PAGE | |
213 | default "11" | |
1da177e4 LT |
214 | |
215 | config SMP | |
216 | bool "Symmetric multi-processing support" | |
217 | help | |
218 | This enables support for systems with more than one CPU. If you have | |
219 | a system with only one CPU, say N. If you have a system with more | |
220 | than one CPU, say Y. | |
221 | ||
222 | If you say N here, the kernel will run on single and multiprocessor | |
223 | systems, but will use only one CPU of a multiprocessor system. If | |
224 | you say Y here, the kernel will run on many, but not all, | |
225 | single processor systems. On a single processor system, the kernel | |
226 | will run faster if you say N here. | |
227 | ||
03502faa AB |
228 | See also the SMP-HOWTO available at |
229 | <http://www.tldp.org/docs.html#howto>. | |
1da177e4 LT |
230 | |
231 | If you don't know what to do here, say N. | |
232 | ||
233 | config NR_CPUS | |
d1339df1 RH |
234 | int "Maximum number of CPUs (2-4096)" |
235 | range 2 4096 | |
1da177e4 | 236 | depends on SMP |
d1339df1 | 237 | default "4096" |
1da177e4 LT |
238 | help |
239 | You should set this to the number of CPUs in your system, but | |
240 | keep in mind that a kernel compiled for, e.g., 2 CPUs will boot but | |
241 | only use 2 CPUs on a >2 CPU system. Setting this to a value larger | |
242 | than 64 will cause the use of a CPU mask array, causing a small | |
243 | performance hit. | |
244 | ||
245 | config HOTPLUG_CPU | |
48a9240c KC |
246 | bool "Support for hot-pluggable CPUs" |
247 | depends on SMP | |
1da177e4 | 248 | default n |
a7f7f624 | 249 | help |
1da177e4 LT |
250 | Say Y here to experiment with turning CPUs off and on. CPUs |
251 | can be controlled through /sys/devices/system/cpu/cpu#. | |
252 | Say N if you want to disable CPU hotplug. | |
253 | ||
cc57637b YG |
254 | config ARCH_ENABLE_MEMORY_HOTPLUG |
255 | def_bool y | |
256 | ||
0c0e6195 KH |
257 | config ARCH_ENABLE_MEMORY_HOTREMOVE |
258 | def_bool y | |
259 | ||
7a9bdd88 SS |
260 | config SCHED_SMT |
261 | bool "SMT scheduler support" | |
262 | depends on SMP | |
7a9bdd88 SS |
263 | help |
264 | Improves the CPU scheduler's decision making when dealing with | |
265 | Intel IA64 chips with MultiThreading at a cost of slightly increased | |
266 | overhead in some places. If unsure say N here. | |
267 | ||
ff741906 AR |
268 | config PERMIT_BSP_REMOVE |
269 | bool "Support removal of Bootstrap Processor" | |
270 | depends on HOTPLUG_CPU | |
271 | default n | |
a7f7f624 | 272 | help |
ff741906 AR |
273 | Say Y here if your platform SAL will support removal of BSP with HOTPLUG_CPU |
274 | support. | |
275 | ||
276 | config FORCE_CPEI_RETARGET | |
25985edc | 277 | bool "Force assumption that CPEI can be re-targeted" |
ff741906 AR |
278 | depends on PERMIT_BSP_REMOVE |
279 | default n | |
a7f7f624 | 280 | help |
25985edc | 281 | Say Y if you need to force the assumption that CPEI can be re-targeted to |
ff741906 AR |
282 | any cpu in the system. This hint is available via ACPI 3.0 specifications. |
283 | Tiger4 systems are capable of re-directing CPEI to any CPU other than BSP. | |
284 | This option it useful to enable this feature on older BIOS's as well. | |
285 | You can also enable this by using boot command line option force_cpei=1. | |
286 | ||
da9577c5 BP |
287 | config ARCH_SELECT_MEMORY_MODEL |
288 | def_bool y | |
289 | ||
290 | config ARCH_DISCONTIGMEM_ENABLE | |
291 | def_bool y | |
214496cb | 292 | depends on BROKEN |
da9577c5 BP |
293 | help |
294 | Say Y to support efficient handling of discontiguous physical memory, | |
295 | for architectures which are either NUMA (Non-Uniform Memory Access) | |
296 | or have huge holes in the physical address space for other reasons. | |
ad56b738 | 297 | See <file:Documentation/vm/numa.rst> for more. |
da9577c5 BP |
298 | |
299 | config ARCH_FLATMEM_ENABLE | |
300 | def_bool y | |
301 | ||
302 | config ARCH_SPARSEMEM_ENABLE | |
303 | def_bool y | |
ef229c5a | 304 | select SPARSEMEM_VMEMMAP_ENABLE |
da9577c5 | 305 | |
214496cb | 306 | config ARCH_SPARSEMEM_DEFAULT |
df41017e | 307 | def_bool y |
214496cb | 308 | depends on ARCH_SPARSEMEM_ENABLE |
da9577c5 BP |
309 | |
310 | config NUMA | |
311 | bool "NUMA support" | |
fc5bad03 | 312 | depends on !FLATMEM |
a2cbfd46 | 313 | select SMP |
da9577c5 BP |
314 | help |
315 | Say Y to compile the kernel to support NUMA (Non-Uniform Memory | |
316 | Access). This option is for configuring high-end multiprocessor | |
317 | server systems. If in doubt, say N. | |
318 | ||
c80d79d7 YG |
319 | config NODES_SHIFT |
320 | int "Max num nodes shift(3-10)" | |
321 | range 3 10 | |
c57d68ca | 322 | default "10" |
c80d79d7 YG |
323 | depends on NEED_MULTIPLE_NODES |
324 | help | |
325 | This option specifies the maximum number of nodes in your SSI system. | |
326 | MAX_NUMNODES will be 2^(This value). | |
327 | If in doubt, use the default. | |
328 | ||
da9577c5 BP |
329 | # VIRTUAL_MEM_MAP and FLAT_NODE_MEM_MAP are functionally equivalent. |
330 | # VIRTUAL_MEM_MAP has been retained for historical reasons. | |
331 | config VIRTUAL_MEM_MAP | |
332 | bool "Virtual mem map" | |
ea34f78f | 333 | depends on !SPARSEMEM && !FLATMEM |
fc5bad03 | 334 | default y |
da9577c5 BP |
335 | help |
336 | Say Y to compile the kernel with support for a virtual mem map. | |
337 | This code also only takes effect if a memory hole of greater than | |
338 | 1 Gb is found during boot. You must turn this option on if you | |
339 | require the DISCONTIGMEM option for your machine. If you are | |
340 | unsure, say Y. | |
341 | ||
342 | config HOLES_IN_ZONE | |
343 | bool | |
344 | default y if VIRTUAL_MEM_MAP | |
345 | ||
10ad400b YG |
346 | config HAVE_ARCH_NODEDATA_EXTENSION |
347 | def_bool y | |
348 | depends on NUMA | |
349 | ||
3bccd996 LS |
350 | config USE_PERCPU_NUMA_NODE_ID |
351 | def_bool y | |
352 | depends on NUMA | |
353 | ||
fd1197f1 | 354 | config HAVE_MEMORYLESS_NODES |
25106000 | 355 | def_bool NUMA |
fd1197f1 | 356 | |
9492587c KH |
357 | config ARCH_PROC_KCORE_TEXT |
358 | def_bool y | |
359 | depends on PROC_KCORE | |
360 | ||
1da177e4 LT |
361 | config IA64_MCA_RECOVERY |
362 | tristate "MCA recovery from errors other than TLB." | |
363 | ||
1da177e4 LT |
364 | config IA64_PALINFO |
365 | tristate "/proc/pal support" | |
366 | help | |
367 | If you say Y here, you are able to get PAL (Processor Abstraction | |
368 | Layer) information in /proc/pal. This contains useful information | |
369 | about the processors in your systems, such as cache and TLB sizes | |
370 | and the PAL firmware version in use. | |
371 | ||
372 | To use this option, you have to ensure that the "/proc file system | |
373 | support" (CONFIG_PROC_FS) is enabled, too. | |
374 | ||
e9ef08bd FY |
375 | config IA64_MC_ERR_INJECT |
376 | tristate "MC error injection support" | |
377 | help | |
01dd2fbf ML |
378 | Adds support for MC error injection. If enabled, the kernel |
379 | will provide a sysfs interface for user applications to | |
380 | call MC error injection PAL procedures to inject various errors. | |
e9ef08bd FY |
381 | This is a useful tool for MCA testing. |
382 | ||
383 | If you're unsure, do not select this option. | |
384 | ||
2ab561a1 DMT |
385 | config IA64_ESI |
386 | bool "ESI (Extensible SAL Interface) support" | |
387 | help | |
388 | If you say Y here, support is built into the kernel to | |
389 | make ESI calls. ESI calls are used to support vendor-specific | |
390 | firmware extensions, such as the ability to inject memory-errors | |
391 | for test-purposes. If you're unsure, say N. | |
392 | ||
28eda5b8 BH |
393 | config IA64_HP_AML_NFW |
394 | bool "Support ACPI AML calls to native firmware" | |
395 | help | |
396 | This driver installs a global ACPI Operation Region handler for | |
397 | region 0xA1. AML methods can use this OpRegion to call arbitrary | |
398 | native firmware functions. The driver installs the OpRegion | |
399 | handler if there is an HPQ5001 device or if the user supplies | |
400 | the "force" module parameter, e.g., with the "aml_nfw.force" | |
401 | kernel command line option. | |
402 | ||
a7956113 | 403 | config KEXEC |
48a9240c | 404 | bool "kexec system call" |
fc5bad03 | 405 | depends on !SMP || HOTPLUG_CPU |
2965faa5 | 406 | select KEXEC_CORE |
a7956113 ZN |
407 | help |
408 | kexec is a system call that implements the ability to shutdown your | |
409 | current kernel, and to start another kernel. It is like a reboot | |
3dde6ad8 | 410 | but it is independent of the system firmware. And like a reboot |
a7956113 ZN |
411 | you can start any kernel with it, not just Linux. |
412 | ||
01dd2fbf | 413 | The name comes from the similarity to the exec system call. |
a7956113 ZN |
414 | |
415 | It is an ongoing process to be certain the hardware in a machine | |
416 | is properly shutdown, so do not be surprised if this code does not | |
bf220695 GU |
417 | initially work for you. As of this writing the exact hardware |
418 | interface is strongly in flux, so no good recommendation can be | |
419 | made. | |
a7956113 ZN |
420 | |
421 | config CRASH_DUMP | |
fb86611f | 422 | bool "kernel crash dumps" |
fc5bad03 | 423 | depends on IA64_MCA_RECOVERY && (!SMP || HOTPLUG_CPU) |
a7956113 ZN |
424 | help |
425 | Generate crash dump after being started by kexec. | |
426 | ||
1da177e4 LT |
427 | source "drivers/firmware/Kconfig" |
428 | ||
1da177e4 LT |
429 | endmenu |
430 | ||
1547a012 | 431 | menu "Power management and ACPI options" |
1da177e4 | 432 | |
eb7b6b32 | 433 | source "kernel/power/Kconfig" |
1da177e4 LT |
434 | |
435 | source "drivers/acpi/Kconfig" | |
436 | ||
4db8699b | 437 | if PM |
ab423e43 VK |
438 | menu "CPU Frequency scaling" |
439 | source "drivers/cpufreq/Kconfig" | |
440 | endmenu | |
4db8699b VP |
441 | endif |
442 | ||
1da177e4 LT |
443 | endmenu |
444 | ||
1a4b0fc5 JS |
445 | config MSPEC |
446 | tristate "Memory special operations driver" | |
447 | depends on IA64 | |
448 | select IA64_UNCACHED_ALLOCATOR | |
449 | help | |
450 | If you have an ia64 and you want to enable memory special | |
451 | operations support (formerly known as fetchop), say Y here, | |
452 | otherwise say N. |