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. config X86_64
  21. def_bool 64BIT
  22. select MODULES_USE_ELF_RELA
  23. config RWSEM_XCHGADD_ALGORITHM
  24. def_bool 64BIT
  25. config RWSEM_GENERIC_SPINLOCK
  26. def_bool !RWSEM_XCHGADD_ALGORITHM
  27. config 3_LEVEL_PGTABLES
  28. bool "Three-level pagetables (EXPERIMENTAL)" if !64BIT
  29. default 64BIT
  30. depends on EXPERIMENTAL
  31. help
  32. Three-level pagetables will let UML have more than 4G of physical
  33. memory. All the memory that can't be mapped directly will be treated
  34. as high memory.
  35. However, this it experimental on 32-bit architectures, so if unsure say
  36. N (on x86-64 it's automatically enabled, instead, as it's safe there).
  37. config ARCH_HAS_SC_SIGNALS
  38. def_bool !64BIT
  39. config ARCH_REUSE_HOST_VSYSCALL_AREA
  40. def_bool !64BIT
  41. config GENERIC_HWEIGHT
  42. def_bool y
  43. source "arch/um/Kconfig.um"
  44. endmenu
  45. source "arch/um/Kconfig.rest"