1 mainmenu "User Mode Linux/$SUBARCH $KERNELVERSION Kernel Configuration"
3 source "arch/um/Kconfig.common"
5 menu "UML-specific options"
7 menu "Host processor type and features"
9 source "arch/x86/Kconfig.cpu"
15 select GENERIC_FIND_FIRST_BIT
18 bool "64-bit kernel" if SUBARCH = "x86"
19 default SUBARCH != "i386"
24 select ARCH_WANT_IPC_PARSE_VERSION
25 select MODULES_USE_ELF_REL
26 select CLONE_BACKWARDS
27 select OLD_SIGSUSPEND3
32 select MODULES_USE_ELF_RELA
34 config RWSEM_XCHGADD_ALGORITHM
37 config RWSEM_GENERIC_SPINLOCK
38 def_bool !RWSEM_XCHGADD_ALGORITHM
40 config 3_LEVEL_PGTABLES
41 bool "Three-level pagetables" if !64BIT
44 Three-level pagetables will let UML have more than 4G of physical
45 memory. All the memory that can't be mapped directly will be treated
48 However, this it experimental on 32-bit architectures, so if unsure say
49 N (on x86-64 it's automatically enabled, instead, as it's safe there).
51 config ARCH_HAS_SC_SIGNALS
54 config ARCH_REUSE_HOST_VSYSCALL_AREA
57 config GENERIC_HWEIGHT
60 source "arch/um/Kconfig.um"
64 source "arch/um/Kconfig.rest"