1 source "arch/um/Kconfig.common"
3 menu "UML-specific options"
5 menu "Host processor type and features"
7 source "arch/x86/Kconfig.cpu"
16 default SUBARCH = "x86_64"
22 config RWSEM_XCHGADD_ALGORITHM
25 config RWSEM_GENERIC_SPINLOCK
28 config 3_LEVEL_PGTABLES
29 bool "Three-level pagetables (EXPERIMENTAL)" if !64BIT
31 depends on EXPERIMENTAL
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
37 However, this it experimental on 32-bit architectures, so if unsure say
38 N (on x86-64 it's automatically enabled, instead, as it's safe there).
40 config ARCH_HAS_SC_SIGNALS
43 config ARCH_REUSE_HOST_VSYSCALL_AREA
49 config GENERIC_HWEIGHT
52 source "arch/um/Kconfig.um"
56 source "arch/um/Kconfig.rest"