Kconfig 1.3 KB

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  1. mainmenu "User Mode Linux/$SUBARCH $KERNELVERSION Kernel Configuration"
  2. source "arch/um/Kconfig.common"
  3. menu "UML-specific options"
  4. menu "Host processor type and features"
  5. source "arch/x86/Kconfig.cpu"
  6. endmenu
  7. config UML_X86
  8. def_bool y
  9. select GENERIC_FIND_FIRST_BIT
  10. select GENERIC_SIGALTSTACK
  11. config 64BIT
  12. bool "64-bit kernel" if SUBARCH = "x86"
  13. default SUBARCH != "i386"
  14. config X86_32
  15. def_bool !64BIT
  16. select HAVE_AOUT
  17. select ARCH_WANT_IPC_PARSE_VERSION
  18. select MODULES_USE_ELF_REL
  19. select CLONE_BACKWARDS
  20. select OLD_SIGSUSPEND3
  21. config X86_64
  22. def_bool 64BIT
  23. select MODULES_USE_ELF_RELA
  24. config RWSEM_XCHGADD_ALGORITHM
  25. def_bool 64BIT
  26. config RWSEM_GENERIC_SPINLOCK
  27. def_bool !RWSEM_XCHGADD_ALGORITHM
  28. config 3_LEVEL_PGTABLES
  29. bool "Three-level pagetables (EXPERIMENTAL)" if !64BIT
  30. default 64BIT
  31. depends on EXPERIMENTAL
  32. help
  33. Three-level pagetables will let UML have more than 4G of physical
  34. memory. All the memory that can't be mapped directly will be treated
  35. as high memory.
  36. However, this it experimental on 32-bit architectures, so if unsure say
  37. N (on x86-64 it's automatically enabled, instead, as it's safe there).
  38. config ARCH_HAS_SC_SIGNALS
  39. def_bool !64BIT
  40. config ARCH_REUSE_HOST_VSYSCALL_AREA
  41. def_bool !64BIT
  42. config GENERIC_HWEIGHT
  43. def_bool y
  44. source "arch/um/Kconfig.um"
  45. endmenu
  46. source "arch/um/Kconfig.rest"