2024-09-09 08:52:07 +00:00
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mainmenu "User Mode Linux/$SUBARCH $KERNELVERSION Kernel Configuration"
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source "arch/um/Kconfig.common"
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menu "UML-specific options"
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menu "Host processor type and features"
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source "arch/x86/Kconfig.cpu"
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endmenu
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config UML_X86
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def_bool y
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select GENERIC_FIND_FIRST_BIT
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config 64BIT
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bool "64-bit kernel" if SUBARCH = "x86"
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default SUBARCH != "i386"
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config X86_32
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def_bool !64BIT
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select HAVE_AOUT
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2024-09-09 08:57:42 +00:00
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select ARCH_WANT_IPC_PARSE_VERSION
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select MODULES_USE_ELF_REL
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select CLONE_BACKWARDS
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select OLD_SIGSUSPEND3
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select OLD_SIGACTION
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2024-09-09 08:52:07 +00:00
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config X86_64
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def_bool 64BIT
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2024-09-09 08:57:42 +00:00
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select MODULES_USE_ELF_RELA
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config ARCH_DEFCONFIG
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string
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default "arch/um/configs/i386_defconfig" if X86_32
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default "arch/um/configs/x86_64_defconfig" if X86_64
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2024-09-09 08:52:07 +00:00
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config RWSEM_XCHGADD_ALGORITHM
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2024-09-09 08:57:42 +00:00
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def_bool 64BIT
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2024-09-09 08:52:07 +00:00
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config RWSEM_GENERIC_SPINLOCK
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def_bool !RWSEM_XCHGADD_ALGORITHM
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config 3_LEVEL_PGTABLES
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2024-09-09 08:57:42 +00:00
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bool "Three-level pagetables" if !64BIT
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2024-09-09 08:52:07 +00:00
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default 64BIT
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help
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Three-level pagetables will let UML have more than 4G of physical
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memory. All the memory that can't be mapped directly will be treated
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as high memory.
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However, this it experimental on 32-bit architectures, so if unsure say
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N (on x86-64 it's automatically enabled, instead, as it's safe there).
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config ARCH_HAS_SC_SIGNALS
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def_bool !64BIT
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config ARCH_REUSE_HOST_VSYSCALL_AREA
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def_bool !64BIT
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config GENERIC_HWEIGHT
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def_bool y
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source "arch/um/Kconfig.um"
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endmenu
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source "arch/um/Kconfig.rest"
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