tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1mainmenu "User Mode Linux/$SUBARCH $KERNELVERSION Kernel Configuration"
2
3source "arch/um/Kconfig.common"
4
5menu "UML-specific options"
6
7menu "Host processor type and features"
8
9source "arch/x86/Kconfig.cpu"
10
11endmenu
12
13config UML_X86
14 def_bool y
15 select GENERIC_FIND_FIRST_BIT
16
17config 64BIT
18 bool "64-bit kernel" if SUBARCH = "x86"
19 default SUBARCH != "i386"
20
21config X86_32
22 def_bool !64BIT
23 select HAVE_AOUT
24 select ARCH_WANT_IPC_PARSE_VERSION
25 select MODULES_USE_ELF_REL
26 select CLONE_BACKWARDS
27 select OLD_SIGSUSPEND3
28 select OLD_SIGACTION
29
30config X86_64
31 def_bool 64BIT
32 select MODULES_USE_ELF_RELA
33
34config RWSEM_XCHGADD_ALGORITHM
35 def_bool 64BIT
36
37config RWSEM_GENERIC_SPINLOCK
38 def_bool !RWSEM_XCHGADD_ALGORITHM
39
40config 3_LEVEL_PGTABLES
41 bool "Three-level pagetables" if !64BIT
42 default 64BIT
43 help
44 Three-level pagetables will let UML have more than 4G of physical
45 memory. All the memory that can't be mapped directly will be treated
46 as high memory.
47
48 However, this it experimental on 32-bit architectures, so if unsure say
49 N (on x86-64 it's automatically enabled, instead, as it's safe there).
50
51config ARCH_HAS_SC_SIGNALS
52 def_bool !64BIT
53
54config ARCH_REUSE_HOST_VSYSCALL_AREA
55 def_bool !64BIT
56
57config GENERIC_HWEIGHT
58 def_bool y
59
60source "arch/um/Kconfig.um"
61
62endmenu
63
64source "arch/um/Kconfig.rest"