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review.evervolv.com / android_kernel_htc_msm8960 / 9219b2a08c8a1ca9935b85ec4ab119bb55b0cb15 / . / arch / x86 / um / Kconfig
blob: 1d97bd84b6fbcfe684b559cf271f7fe72d75f92b [file] [log] [blame]
Geert Uytterhoeven7fa38e72011-07-25 17:12:48 -0700[diff] [blame]1mainmenu "User Mode Linux/$SUBARCH $KERNELVERSION Kernel Configuration"
2
Al Viro61bee202008-08-25 04:51:27 -0400[diff] [blame]3source "arch/um/Kconfig.common"
4
5menu "UML-specific options"
6
Paolo 'Blaisorblade' Giarrusso85977372005-11-13 16:07:06 -0800[diff] [blame]7menu "Host processor type and features"
8
Richard Weinberger084189a2011-04-14 15:22:18 -0700[diff] [blame]9config CMPXCHG_LOCAL
10 bool
11 default n
12
Thadeu Lima de Souza Cascardoe5f0bdc2011-09-14 16:21:08 -0700[diff] [blame]13config CMPXCHG_DOUBLE
14 bool
15 default n
16
Al Viro7a78a172007-10-29 04:34:31 +0000[diff] [blame]17source "arch/x86/Kconfig.cpu"
Paolo 'Blaisorblade' Giarrusso85977372005-11-13 16:07:06 -0800[diff] [blame]18
19endmenu
20
Paolo 'Blaisorblade' Giarrussoc45166b2005-05-01 08:58:54 -0700[diff] [blame]21config UML_X86
Jeff Dike54d67ee2007-12-01 12:16:28 -0800[diff] [blame]22 def_bool y
Jan Beulichc49aa5b2011-03-08 09:24:26 +0000[diff] [blame]23 select GENERIC_FIND_FIRST_BIT
Jeff Dike54d67ee2007-12-01 12:16:28 -0800[diff] [blame]24
Paolo 'Blaisorblade' Giarrussoc45166b2005-05-01 08:58:54 -0700[diff] [blame]25config 64BIT
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]26 bool
Al Viro41984262008-08-23 17:00:34 -0400[diff] [blame]27 default SUBARCH = "x86_64"
28
29config X86_32
30 def_bool !64BIT
31 select HAVE_AOUT
32
Jan Beulichbfc390612011-03-01 11:14:55 +0000[diff] [blame]33config X86_64
34 def_bool 64BIT
35
Al Viro41984262008-08-23 17:00:34 -0400[diff] [blame]36config RWSEM_XCHGADD_ALGORITHM
Richard Weinberger3a367902011-05-23 22:51:33 +0200[diff] [blame]37 def_bool X86_XADD && 64BIT
Al Viro41984262008-08-23 17:00:34 -0400[diff] [blame]38
39config RWSEM_GENERIC_SPINLOCK
Richard Weinberger3a367902011-05-23 22:51:33 +0200[diff] [blame]40 def_bool !RWSEM_XCHGADD_ALGORITHM
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]41
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]42config 3_LEVEL_PGTABLES
Al Viro41984262008-08-23 17:00:34 -0400[diff] [blame]43 bool "Three-level pagetables (EXPERIMENTAL)" if !64BIT
44 default 64BIT
Paolo 'Blaisorblade' Giarrussoce2d2ae2006-01-18 17:42:59 -0800[diff] [blame]45 depends on EXPERIMENTAL
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]46 help
47 Three-level pagetables will let UML have more than 4G of physical
48 memory. All the memory that can't be mapped directly will be treated
49 as high memory.
50
Paolo 'Blaisorblade' Giarrussoce2d2ae2006-01-18 17:42:59 -0800[diff] [blame]51 However, this it experimental on 32-bit architectures, so if unsure say
52 N (on x86-64 it's automatically enabled, instead, as it's safe there).
53
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]54config ARCH_HAS_SC_SIGNALS
Al Viro41984262008-08-23 17:00:34 -0400[diff] [blame]55 def_bool !64BIT
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]56
57config ARCH_REUSE_HOST_VSYSCALL_AREA
Al Viro41984262008-08-23 17:00:34 -0400[diff] [blame]58 def_bool !64BIT
59
Akinobu Mitaf214ef32006-03-26 01:38:59 -0800[diff] [blame]60config GENERIC_HWEIGHT
Al Viro41984262008-08-23 17:00:34 -0400[diff] [blame]61 def_bool y
Al Viro61bee202008-08-25 04:51:27 -0400[diff] [blame]62
63source "arch/um/Kconfig.um"
64
65endmenu
66
67source "arch/um/Kconfig.rest"