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authorTony Lindgren <tony@atomide.com>2011-11-08 00:27:23 +0400
committerTony Lindgren <tony@atomide.com>2011-11-08 00:27:23 +0400
commitd30cc16c8e48368e0518f4975a78711e53e14a0f (patch)
tree26b57f7ab5a963cc3d6c57dff6951bd930875583 /arch/x86/um/Kconfig
parent41eb2d813f558900884e240c2f723e36c7bd151f (diff)
parenta1bcc1dcef8451b4291ea2a1b2677cb194102952 (diff)
downloadlinux-d30cc16c8e48368e0518f4975a78711e53e14a0f.tar.xz
Merge branch 'fixes-modulesplit' into fixes
Diffstat (limited to 'arch/x86/um/Kconfig')
-rw-r--r--arch/x86/um/Kconfig67
1 files changed, 67 insertions, 0 deletions
diff --git a/arch/x86/um/Kconfig b/arch/x86/um/Kconfig
new file mode 100644
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+++ b/arch/x86/um/Kconfig
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+mainmenu "User Mode Linux/$SUBARCH $KERNELVERSION Kernel Configuration"
+
+source "arch/um/Kconfig.common"
+
+menu "UML-specific options"
+
+menu "Host processor type and features"
+
+config CMPXCHG_LOCAL
+ bool
+ default n
+
+config CMPXCHG_DOUBLE
+ bool
+ default n
+
+source "arch/x86/Kconfig.cpu"
+
+endmenu
+
+config UML_X86
+ def_bool y
+ select GENERIC_FIND_FIRST_BIT
+
+config 64BIT
+ bool
+ default SUBARCH = "x86_64"
+
+config X86_32
+ def_bool !64BIT
+ select HAVE_AOUT
+
+config X86_64
+ def_bool 64BIT
+
+config RWSEM_XCHGADD_ALGORITHM
+ def_bool X86_XADD && 64BIT
+
+config RWSEM_GENERIC_SPINLOCK
+ def_bool !RWSEM_XCHGADD_ALGORITHM
+
+config 3_LEVEL_PGTABLES
+ bool "Three-level pagetables (EXPERIMENTAL)" if !64BIT
+ default 64BIT
+ depends on EXPERIMENTAL
+ help
+ Three-level pagetables will let UML have more than 4G of physical
+ memory. All the memory that can't be mapped directly will be treated
+ as high memory.
+
+ However, this it experimental on 32-bit architectures, so if unsure say
+ N (on x86-64 it's automatically enabled, instead, as it's safe there).
+
+config ARCH_HAS_SC_SIGNALS
+ def_bool !64BIT
+
+config ARCH_REUSE_HOST_VSYSCALL_AREA
+ def_bool !64BIT
+
+config GENERIC_HWEIGHT
+ def_bool y
+
+source "arch/um/Kconfig.um"
+
+endmenu
+
+source "arch/um/Kconfig.rest"