source "arch/um/Kconfig.common"
  
  menu "UML-specific options"

  menu "Host processor type and features"

  source "arch/x86/Kconfig.cpu"

  
  endmenu

  config UML_X86

  	def_bool y
  
  config 64BIT

  	bool

  	default SUBARCH = "x86_64"

  config X86_32

  	def_bool !64BIT
  	select HAVE_AOUT

  
  config RWSEM_XCHGADD_ALGORITHM

  	def_bool X86_XADD

  config RWSEM_GENERIC_SPINLOCK
  	def_bool !X86_XADD

  config 3_LEVEL_PGTABLES

  	bool "Three-level pagetables (EXPERIMENTAL)" if !64BIT
  	default 64BIT

  	depends on EXPERIMENTAL

  	help
  	Three-level pagetables will let UML have more than 4G of physical
  	memory.  All the memory that can't be mapped directly will be treated
  	as high memory.

  	However, this it experimental on 32-bit architectures, so if unsure say
  	N (on x86-64 it's automatically enabled, instead, as it's safe there).

  config ARCH_HAS_SC_SIGNALS

  	def_bool !64BIT

  
  config ARCH_REUSE_HOST_VSYSCALL_AREA

  	def_bool !64BIT
  
  config SMP_BROKEN
  	def_bool 64BIT

  
  config GENERIC_HWEIGHT

  	def_bool y

  
  source "arch/um/Kconfig.um"
  
  endmenu
  
  source "arch/um/Kconfig.rest"