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61bee20445
Teach scripts/kconfig/Makefile and top-level Makefile that arch/*/Makefile is allowed to say Kconfig := <whatever I want instead of arch/blah/Kconfig>. Rewrite arch/um/Kconfig and arch/um/Kconfig.<subarch> so that the latter would be top-level one (and include the pieces of the former). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
57 lines
1.0 KiB
Plaintext
57 lines
1.0 KiB
Plaintext
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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config 64BIT
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bool
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default SUBARCH = "x86_64"
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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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config RWSEM_XCHGADD_ALGORITHM
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def_bool X86_XADD
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config RWSEM_GENERIC_SPINLOCK
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def_bool !X86_XADD
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config 3_LEVEL_PGTABLES
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bool "Three-level pagetables (EXPERIMENTAL)" if !64BIT
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default 64BIT
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depends on EXPERIMENTAL
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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 SMP_BROKEN
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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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