arch: remove CONFIG_GENERIC_FIND_{NEXT_BIT,BIT_LE,LAST_BIT}
[linux-2.6.git] / arch / um / Kconfig.x86
1 source "arch/um/Kconfig.common"
2
3 menu "UML-specific options"
4
5 menu "Host processor type and features"
6
7 config CMPXCHG_LOCAL
8         bool
9         default n
10
11 source "arch/x86/Kconfig.cpu"
12
13 endmenu
14
15 config UML_X86
16         def_bool y
17         select GENERIC_FIND_FIRST_BIT
18
19 config 64BIT
20         bool
21         default SUBARCH = "x86_64"
22
23 config X86_32
24         def_bool !64BIT
25         select HAVE_AOUT
26
27 config X86_64
28         def_bool 64BIT
29
30 config RWSEM_XCHGADD_ALGORITHM
31         def_bool X86_XADD && 64BIT
32
33 config RWSEM_GENERIC_SPINLOCK
34         def_bool !RWSEM_XCHGADD_ALGORITHM
35
36 config 3_LEVEL_PGTABLES
37         bool "Three-level pagetables (EXPERIMENTAL)" if !64BIT
38         default 64BIT
39         depends on EXPERIMENTAL
40         help
41         Three-level pagetables will let UML have more than 4G of physical
42         memory.  All the memory that can't be mapped directly will be treated
43         as high memory.
44
45         However, this it experimental on 32-bit architectures, so if unsure say
46         N (on x86-64 it's automatically enabled, instead, as it's safe there).
47
48 config ARCH_HAS_SC_SIGNALS
49         def_bool !64BIT
50
51 config ARCH_REUSE_HOST_VSYSCALL_AREA
52         def_bool !64BIT
53
54 config SMP_BROKEN
55         def_bool 64BIT
56
57 config GENERIC_HWEIGHT
58         def_bool y
59
60 source "arch/um/Kconfig.um"
61
62 endmenu
63
64 source "arch/um/Kconfig.rest"