Kconfig 9.0 KB

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  1. # sparc64 configuration
  2. mainmenu "Linux Kernel Configuration for 64-bit SPARC"
  3. config SPARC
  4. bool
  5. default y
  6. select HAVE_OPROFILE
  7. select HAVE_KPROBES
  8. select HAVE_KRETPROBES
  9. config SPARC64
  10. bool
  11. default y
  12. select HAVE_DYNAMIC_FTRACE
  13. select HAVE_FTRACE
  14. select HAVE_IDE
  15. select HAVE_LMB
  16. select HAVE_ARCH_KGDB
  17. select USE_GENERIC_SMP_HELPERS if SMP
  18. select HAVE_ARCH_TRACEHOOK
  19. select ARCH_WANT_OPTIONAL_GPIOLIB
  20. select RTC_CLASS
  21. select RTC_DRV_M48T59
  22. select RTC_DRV_CMOS
  23. select RTC_DRV_BQ4802
  24. select RTC_DRV_SUN4V
  25. select RTC_DRV_STARFIRE
  26. config GENERIC_TIME
  27. bool
  28. default y
  29. config GENERIC_CMOS_UPDATE
  30. bool
  31. default y
  32. config GENERIC_CLOCKEVENTS
  33. bool
  34. default y
  35. config GENERIC_GPIO
  36. bool
  37. help
  38. Generic GPIO API support
  39. config 64BIT
  40. def_bool y
  41. config MMU
  42. bool
  43. default y
  44. config IOMMU_HELPER
  45. bool
  46. default y
  47. config QUICKLIST
  48. bool
  49. default y
  50. config STACKTRACE_SUPPORT
  51. bool
  52. default y
  53. config LOCKDEP_SUPPORT
  54. bool
  55. default y
  56. config ARCH_MAY_HAVE_PC_FDC
  57. bool
  58. default y
  59. config ARCH_HAS_ILOG2_U32
  60. bool
  61. default n
  62. config ARCH_HAS_ILOG2_U64
  63. bool
  64. default n
  65. config AUDIT_ARCH
  66. bool
  67. default y
  68. config HAVE_SETUP_PER_CPU_AREA
  69. def_bool y
  70. config ARCH_NO_VIRT_TO_BUS
  71. def_bool y
  72. config OF
  73. def_bool y
  74. config GENERIC_HARDIRQS_NO__DO_IRQ
  75. bool
  76. def_bool y
  77. source "init/Kconfig"
  78. menu "Processor type and features"
  79. choice
  80. prompt "Kernel page size"
  81. default SPARC64_PAGE_SIZE_8KB
  82. config SPARC64_PAGE_SIZE_8KB
  83. bool "8KB"
  84. help
  85. This lets you select the page size of the kernel.
  86. 8KB and 64KB work quite well, since SPARC ELF sections
  87. provide for up to 64KB alignment.
  88. If you don't know what to do, choose 8KB.
  89. config SPARC64_PAGE_SIZE_64KB
  90. bool "64KB"
  91. endchoice
  92. config SECCOMP
  93. bool "Enable seccomp to safely compute untrusted bytecode"
  94. depends on PROC_FS
  95. default y
  96. help
  97. This kernel feature is useful for number crunching applications
  98. that may need to compute untrusted bytecode during their
  99. execution. By using pipes or other transports made available to
  100. the process as file descriptors supporting the read/write
  101. syscalls, it's possible to isolate those applications in
  102. their own address space using seccomp. Once seccomp is
  103. enabled via /proc/<pid>/seccomp, it cannot be disabled
  104. and the task is only allowed to execute a few safe syscalls
  105. defined by each seccomp mode.
  106. If unsure, say Y. Only embedded should say N here.
  107. source kernel/Kconfig.hz
  108. config HOTPLUG_CPU
  109. bool "Support for hot-pluggable CPUs"
  110. depends on SMP
  111. select HOTPLUG
  112. help
  113. Say Y here to experiment with turning CPUs off and on. CPUs
  114. can be controlled through /sys/devices/system/cpu/cpu#.
  115. Say N if you want to disable CPU hotplug.
  116. config GENERIC_HARDIRQS
  117. bool
  118. default y
  119. source "kernel/time/Kconfig"
  120. config SMP
  121. bool "Symmetric multi-processing support"
  122. help
  123. This enables support for systems with more than one CPU. If you have
  124. a system with only one CPU, say N. If you have a system with more than
  125. one CPU, say Y.
  126. If you say N here, the kernel will run on single and multiprocessor
  127. machines, but will use only one CPU of a multiprocessor machine. If
  128. you say Y here, the kernel will run on single-processor machines.
  129. On a single-processor machine, the kernel will run faster if you say
  130. N here.
  131. If you don't know what to do here, say N.
  132. config NR_CPUS
  133. int "Maximum number of CPUs (2-1024)"
  134. range 2 1024
  135. depends on SMP
  136. default "64"
  137. source "drivers/cpufreq/Kconfig"
  138. config US3_FREQ
  139. tristate "UltraSPARC-III CPU Frequency driver"
  140. depends on CPU_FREQ
  141. select CPU_FREQ_TABLE
  142. help
  143. This adds the CPUFreq driver for UltraSPARC-III processors.
  144. For details, take a look at <file:Documentation/cpu-freq>.
  145. If in doubt, say N.
  146. config US2E_FREQ
  147. tristate "UltraSPARC-IIe CPU Frequency driver"
  148. depends on CPU_FREQ
  149. select CPU_FREQ_TABLE
  150. help
  151. This adds the CPUFreq driver for UltraSPARC-IIe processors.
  152. For details, take a look at <file:Documentation/cpu-freq>.
  153. If in doubt, say N.
  154. config US3_MC
  155. tristate "UltraSPARC-III Memory Controller driver"
  156. default y
  157. help
  158. This adds a driver for the UltraSPARC-III memory controller.
  159. Loading this driver allows exact mnemonic strings to be
  160. printed in the event of a memory error, so that the faulty DIMM
  161. on the motherboard can be matched to the error.
  162. If in doubt, say Y, as this information can be very useful.
  163. # Global things across all Sun machines.
  164. config GENERIC_LOCKBREAK
  165. bool
  166. default y
  167. depends on SMP && PREEMPT
  168. config RWSEM_GENERIC_SPINLOCK
  169. bool
  170. config RWSEM_XCHGADD_ALGORITHM
  171. bool
  172. default y
  173. config GENERIC_FIND_NEXT_BIT
  174. bool
  175. default y
  176. config GENERIC_HWEIGHT
  177. bool
  178. default y if !ULTRA_HAS_POPULATION_COUNT
  179. config GENERIC_CALIBRATE_DELAY
  180. bool
  181. default y
  182. choice
  183. prompt "SPARC64 Huge TLB Page Size"
  184. depends on HUGETLB_PAGE
  185. default HUGETLB_PAGE_SIZE_4MB
  186. config HUGETLB_PAGE_SIZE_4MB
  187. bool "4MB"
  188. config HUGETLB_PAGE_SIZE_512K
  189. bool "512K"
  190. config HUGETLB_PAGE_SIZE_64K
  191. depends on !SPARC64_PAGE_SIZE_64KB
  192. bool "64K"
  193. endchoice
  194. endmenu
  195. config NUMA
  196. bool "NUMA support"
  197. config NODES_SHIFT
  198. int
  199. default "4"
  200. depends on NEED_MULTIPLE_NODES
  201. # Some NUMA nodes have memory ranges that span
  202. # other nodes. Even though a pfn is valid and
  203. # between a node's start and end pfns, it may not
  204. # reside on that node. See memmap_init_zone()
  205. # for details.
  206. config NODES_SPAN_OTHER_NODES
  207. def_bool y
  208. depends on NEED_MULTIPLE_NODES
  209. config ARCH_POPULATES_NODE_MAP
  210. def_bool y
  211. config ARCH_SELECT_MEMORY_MODEL
  212. def_bool y
  213. config ARCH_SPARSEMEM_ENABLE
  214. def_bool y
  215. select SPARSEMEM_VMEMMAP_ENABLE
  216. config ARCH_SPARSEMEM_DEFAULT
  217. def_bool y
  218. source "mm/Kconfig"
  219. config ISA
  220. bool
  221. config ISAPNP
  222. bool
  223. config EISA
  224. bool
  225. config MCA
  226. bool
  227. config PCMCIA
  228. tristate
  229. help
  230. Say Y here if you want to attach PCMCIA- or PC-cards to your Linux
  231. computer. These are credit-card size devices such as network cards,
  232. modems or hard drives often used with laptops computers. There are
  233. actually two varieties of these cards: the older 16 bit PCMCIA cards
  234. and the newer 32 bit CardBus cards. If you want to use CardBus
  235. cards, you need to say Y here and also to "CardBus support" below.
  236. To use your PC-cards, you will need supporting software from David
  237. Hinds' pcmcia-cs package (see the file <file:Documentation/Changes>
  238. for location). Please also read the PCMCIA-HOWTO, available from
  239. <http://www.tldp.org/docs.html#howto>.
  240. To compile this driver as modules, choose M here: the
  241. modules will be called pcmcia_core and ds.
  242. config SBUS
  243. bool
  244. default y
  245. config SBUSCHAR
  246. bool
  247. default y
  248. config SUN_AUXIO
  249. bool
  250. default y
  251. config SUN_IO
  252. bool
  253. default y
  254. config SUN_LDOMS
  255. bool "Sun Logical Domains support"
  256. help
  257. Say Y here is you want to support virtual devices via
  258. Logical Domains.
  259. config PCI
  260. bool "PCI support"
  261. select ARCH_SUPPORTS_MSI
  262. help
  263. Find out whether your system includes a PCI bus. PCI is the name of
  264. a bus system, i.e. the way the CPU talks to the other stuff inside
  265. your box. If you say Y here, the kernel will include drivers and
  266. infrastructure code to support PCI bus devices.
  267. config PCI_DOMAINS
  268. def_bool PCI
  269. config PCI_SYSCALL
  270. def_bool PCI
  271. source "drivers/pci/Kconfig"
  272. config SUN_OPENPROMFS
  273. tristate "Openprom tree appears in /proc/openprom"
  274. help
  275. If you say Y, the OpenPROM device tree will be available as a
  276. virtual file system, which you can mount to /proc/openprom by "mount
  277. -t openpromfs none /proc/openprom".
  278. To compile the /proc/openprom support as a module, choose M here: the
  279. module will be called openpromfs. If unsure, choose M.
  280. menu "Executable file formats"
  281. source "fs/Kconfig.binfmt"
  282. config COMPAT
  283. bool
  284. default y
  285. select COMPAT_BINFMT_ELF
  286. config SYSVIPC_COMPAT
  287. bool
  288. depends on COMPAT && SYSVIPC
  289. default y
  290. endmenu
  291. config SCHED_SMT
  292. bool "SMT (Hyperthreading) scheduler support"
  293. depends on SMP
  294. default y
  295. help
  296. SMT scheduler support improves the CPU scheduler's decision making
  297. when dealing with SPARC cpus at a cost of slightly increased overhead
  298. in some places. If unsure say N here.
  299. config SCHED_MC
  300. bool "Multi-core scheduler support"
  301. depends on SMP
  302. default y
  303. help
  304. Multi-core scheduler support improves the CPU scheduler's decision
  305. making when dealing with multi-core CPU chips at a cost of slightly
  306. increased overhead in some places. If unsure say N here.
  307. source "kernel/Kconfig.preempt"
  308. config CMDLINE_BOOL
  309. bool "Default bootloader kernel arguments"
  310. config CMDLINE
  311. string "Initial kernel command string"
  312. depends on CMDLINE_BOOL
  313. default "console=ttyS0,9600 root=/dev/sda1"
  314. help
  315. Say Y here if you want to be able to pass default arguments to
  316. the kernel. This will be overridden by the bootloader, if you
  317. use one (such as SILO). This is most useful if you want to boot
  318. a kernel from TFTP, and want default options to be available
  319. with having them passed on the command line.
  320. NOTE: This option WILL override the PROM bootargs setting!
  321. source "net/Kconfig"
  322. source "drivers/Kconfig"
  323. source "drivers/sbus/char/Kconfig"
  324. source "fs/Kconfig"
  325. source "arch/sparc64/Kconfig.debug"
  326. source "security/Kconfig"
  327. source "crypto/Kconfig"
  328. source "lib/Kconfig"