Merge branch 'for-2.6.39' into for-2.6.40
[pandora-kernel.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 source "arch/x86/Kconfig.cpu"
8
9 endmenu
10
11 config UML_X86
12         def_bool y
13         select GENERIC_FIND_FIRST_BIT
14         select GENERIC_FIND_NEXT_BIT
15
16 config 64BIT
17         bool
18         default SUBARCH = "x86_64"
19
20 config X86_32
21         def_bool !64BIT
22         select HAVE_AOUT
23
24 config X86_64
25         def_bool 64BIT
26
27 config RWSEM_XCHGADD_ALGORITHM
28         def_bool X86_XADD
29
30 config RWSEM_GENERIC_SPINLOCK
31         def_bool !X86_XADD
32
33 config 3_LEVEL_PGTABLES
34         bool "Three-level pagetables (EXPERIMENTAL)" if !64BIT
35         default 64BIT
36         depends on EXPERIMENTAL
37         help
38         Three-level pagetables will let UML have more than 4G of physical
39         memory.  All the memory that can't be mapped directly will be treated
40         as high memory.
41
42         However, this it experimental on 32-bit architectures, so if unsure say
43         N (on x86-64 it's automatically enabled, instead, as it's safe there).
44
45 config ARCH_HAS_SC_SIGNALS
46         def_bool !64BIT
47
48 config ARCH_REUSE_HOST_VSYSCALL_AREA
49         def_bool !64BIT
50
51 config SMP_BROKEN
52         def_bool 64BIT
53
54 config GENERIC_HWEIGHT
55         def_bool y
56
57 source "arch/um/Kconfig.um"
58
59 endmenu
60
61 source "arch/um/Kconfig.rest"