1# SPDX-License-Identifier: GPL-2.0
 2
 3menu "Host processor type and features"
 4
 5source "arch/x86/Kconfig.cpu"
 6
 7endmenu
 8
 9config UML_X86
10	def_bool y
11	select ARCH_BINFMT_ELF_EXTRA_PHDRS if X86_32
12	select DCACHE_WORD_ACCESS
13	select HAVE_EFFICIENT_UNALIGNED_ACCESS
14
15config 64BIT
16	bool "64-bit kernel" if "$(SUBARCH)" = "x86"
17	default "$(SUBARCH)" != "i386"
18
19config X86_32
20	def_bool !64BIT
21	select ARCH_32BIT_OFF_T
22	select ARCH_WANT_IPC_PARSE_VERSION
23	select MODULES_USE_ELF_REL
24	select CLONE_BACKWARDS
25	select OLD_SIGSUSPEND3
26	select OLD_SIGACTION
27
28config X86_64
29	def_bool 64BIT
30	select MODULES_USE_ELF_RELA
 
 
 
 
 
 
 
 
 
 
 
31
32config ARCH_HAS_SC_SIGNALS
33	def_bool !64BIT
34
35config ARCH_REUSE_HOST_VSYSCALL_AREA
36	def_bool !64BIT
37
38config GENERIC_HWEIGHT
39	def_bool y

 1# SPDX-License-Identifier: GPL-2.0
 2
 3menu "Host processor type and features"
 4
 5source "arch/x86/Kconfig.cpu"
 6
 7endmenu
 8
 9config UML_X86
10	def_bool y
11	select ARCH_BINFMT_ELF_EXTRA_PHDRS if X86_32
12	select DCACHE_WORD_ACCESS
 
13
14config 64BIT
15	bool "64-bit kernel" if "$(SUBARCH)" = "x86"
16	default "$(SUBARCH)" != "i386"
17
18config X86_32
19	def_bool !64BIT
20	select ARCH_32BIT_OFF_T
21	select ARCH_WANT_IPC_PARSE_VERSION
22	select MODULES_USE_ELF_REL
23	select CLONE_BACKWARDS
24	select OLD_SIGSUSPEND3
25	select OLD_SIGACTION
26
27config X86_64
28	def_bool 64BIT
29	select MODULES_USE_ELF_RELA
30
31config 3_LEVEL_PGTABLES
32	bool "Three-level pagetables" if !64BIT
33	default 64BIT
34	help
35	  Three-level pagetables will let UML have more than 4G of physical
36	  memory.  All the memory that can't be mapped directly will be treated
37	  as high memory.
38
39	  However, this it experimental on 32-bit architectures, so if unsure say
40	  N (on x86-64 it's automatically enabled, instead, as it's safe there).
41
42config ARCH_HAS_SC_SIGNALS
43	def_bool !64BIT
44
45config ARCH_REUSE_HOST_VSYSCALL_AREA
46	def_bool !64BIT
47
48config GENERIC_HWEIGHT
49	def_bool y