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gerrit-public.fairphone.software / kernel / msm-4.9 / 786d35d45cc40b2a51a18f73e14e135d47fdced7 / . / arch / x86 / um / Kconfig
blob: a4b0c10c9d5d571673db4278f67c86eeb30cc094 [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
Al Viro7a78a172007-10-29 04:34:31 +0000[diff] [blame]9source "arch/x86/Kconfig.cpu"
Paolo 'Blaisorblade' Giarrusso85977372005-11-13 16:07:06 -0800[diff] [blame]10
11endmenu
12
Paolo 'Blaisorblade' Giarrussoc45166be32005-05-01 08:58:54 -0700[diff] [blame]13config UML_X86
Jeff Dike54d67ee2007-12-01 12:16:28 -0800[diff] [blame]14 def_bool y
Jan Beulichc49aa5b2011-03-08 09:24:26 +0000[diff] [blame]15 select GENERIC_FIND_FIRST_BIT
Jeff Dike54d67ee2007-12-01 12:16:28 -0800[diff] [blame]16
Paolo 'Blaisorblade' Giarrussoc45166be32005-05-01 08:58:54 -0700[diff] [blame]17config 64BIT
Al Viro4c3ff742012-02-11 06:15:50 -0500[diff] [blame]18 bool "64-bit kernel" if SUBARCH = "x86"
19 default SUBARCH != "i386"
Al Viro41984262008-08-23 17:00:34 -0400[diff] [blame]20
21config X86_32
22 def_bool !64BIT
23 select HAVE_AOUT
David Howells786d35d2012-09-28 14:31:03 +0930[diff] [blame^]24 select MODULES_USE_ELF_REL
Al Viro41984262008-08-23 17:00:34 -0400[diff] [blame]25
Jan Beulichbfc390612011-03-01 11:14:55 +0000[diff] [blame]26config X86_64
27 def_bool 64BIT
David Howells786d35d2012-09-28 14:31:03 +0930[diff] [blame^]28 select MODULES_USE_ELF_RELA
Jan Beulichbfc390612011-03-01 11:14:55 +0000[diff] [blame]29
Al Viro41984262008-08-23 17:00:34 -0400[diff] [blame]30config RWSEM_XCHGADD_ALGORITHM
Richard Weinberger3a367902011-05-23 22:51:33 +0200[diff] [blame]31 def_bool X86_XADD && 64BIT
Al Viro41984262008-08-23 17:00:34 -0400[diff] [blame]32
33config RWSEM_GENERIC_SPINLOCK
Richard Weinberger3a367902011-05-23 22:51:33 +0200[diff] [blame]34 def_bool !RWSEM_XCHGADD_ALGORITHM
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]35
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]36config 3_LEVEL_PGTABLES
Al Viro41984262008-08-23 17:00:34 -0400[diff] [blame]37 bool "Three-level pagetables (EXPERIMENTAL)" if !64BIT
38 default 64BIT
Paolo 'Blaisorblade' Giarrussoce2d2ae2006-01-18 17:42:59 -0800[diff] [blame]39 depends on EXPERIMENTAL
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]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
Paolo 'Blaisorblade' Giarrussoce2d2ae2006-01-18 17:42:59 -0800[diff] [blame]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
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]48config ARCH_HAS_SC_SIGNALS
Al Viro41984262008-08-23 17:00:34 -0400[diff] [blame]49 def_bool !64BIT
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]50
51config ARCH_REUSE_HOST_VSYSCALL_AREA
Al Viro41984262008-08-23 17:00:34 -0400[diff] [blame]52 def_bool !64BIT
53
Akinobu Mitaf214ef32006-03-26 01:38:59 -0800[diff] [blame]54config GENERIC_HWEIGHT
Al Viro41984262008-08-23 17:00:34 -0400[diff] [blame]55 def_bool y
Al Viro61bee202008-08-25 04:51:27 -0400[diff] [blame]56
57source "arch/um/Kconfig.um"
58
59endmenu
60
61source "arch/um/Kconfig.rest"