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gerrit-public.fairphone.software / kernel / msm-4.9 / 15ce1f7154c80693cec4f8a5309e8c8a06fb2541 / . / arch / x86 / um / Kconfig
blob: a3725824449e73b0b6f626d86660ac9de8870127 [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
Al Viro6bf9adf2012-12-14 14:09:47 -0500[diff] [blame]16 select GENERIC_SIGALTSTACK
Jeff Dike54d67ee2007-12-01 12:16:28 -0800[diff] [blame]17
Paolo 'Blaisorblade' Giarrussoc45166be32005-05-01 08:58:54 -0700[diff] [blame]18config 64BIT
Al Viro4c3ff742012-02-11 06:15:50 -0500[diff] [blame]19 bool "64-bit kernel" if SUBARCH = "x86"
20 default SUBARCH != "i386"
Al Viro41984262008-08-23 17:00:34 -0400[diff] [blame]21
22config X86_32
23 def_bool !64BIT
24 select HAVE_AOUT
Richard Weinbergerbbb35ef2012-09-27 20:10:57 +0200[diff] [blame]25 select ARCH_WANT_IPC_PARSE_VERSION
David Howells786d35d2012-09-28 14:31:03 +0930[diff] [blame]26 select MODULES_USE_ELF_REL
Al Viro1d4b4b22012-10-22 22:34:11 -0400[diff] [blame]27 select CLONE_BACKWARDS
Al Viro15ce1f72012-12-25 16:09:20 -0500[diff] [blame^]28 select OLD_SIGSUSPEND3
Al Viro41984262008-08-23 17:00:34 -0400[diff] [blame]29
Jan Beulichbfc390612011-03-01 11:14:55 +0000[diff] [blame]30config X86_64
31 def_bool 64BIT
David Howells786d35d2012-09-28 14:31:03 +0930[diff] [blame]32 select MODULES_USE_ELF_RELA
Jan Beulichbfc390612011-03-01 11:14:55 +0000[diff] [blame]33
Al Viro41984262008-08-23 17:00:34 -0400[diff] [blame]34config RWSEM_XCHGADD_ALGORITHM
H. Peter Anvin7ac468b2012-11-28 11:50:25 -0800[diff] [blame]35 def_bool 64BIT
Al Viro41984262008-08-23 17:00:34 -0400[diff] [blame]36
37config RWSEM_GENERIC_SPINLOCK
Richard Weinberger3a367902011-05-23 22:51:33 +0200[diff] [blame]38 def_bool !RWSEM_XCHGADD_ALGORITHM
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]39
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]40config 3_LEVEL_PGTABLES
Al Viro41984262008-08-23 17:00:34 -0400[diff] [blame]41 bool "Three-level pagetables (EXPERIMENTAL)" if !64BIT
42 default 64BIT
Paolo 'Blaisorblade' Giarrussoce2d2ae2006-01-18 17:42:59 -0800[diff] [blame]43 depends on EXPERIMENTAL
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]44 help
45 Three-level pagetables will let UML have more than 4G of physical
46 memory. All the memory that can't be mapped directly will be treated
47 as high memory.
48
Paolo 'Blaisorblade' Giarrussoce2d2ae2006-01-18 17:42:59 -0800[diff] [blame]49 However, this it experimental on 32-bit architectures, so if unsure say
50 N (on x86-64 it's automatically enabled, instead, as it's safe there).
51
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]52config ARCH_HAS_SC_SIGNALS
Al Viro41984262008-08-23 17:00:34 -0400[diff] [blame]53 def_bool !64BIT
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]54
55config ARCH_REUSE_HOST_VSYSCALL_AREA
Al Viro41984262008-08-23 17:00:34 -0400[diff] [blame]56 def_bool !64BIT
57
Akinobu Mitaf214ef32006-03-26 01:38:59 -0800[diff] [blame]58config GENERIC_HWEIGHT
Al Viro41984262008-08-23 17:00:34 -0400[diff] [blame]59 def_bool y
Al Viro61bee202008-08-25 04:51:27 -0400[diff] [blame]60
61source "arch/um/Kconfig.um"
62
63endmenu
64
65source "arch/um/Kconfig.rest"