2008-08-25 12:51:27 +04:00
source "arch/um/Kconfig.common"
menu "UML-specific options"
2005-11-14 03:07:06 +03:00
menu "Host processor type and features"
2011-04-15 02:22:18 +04:00
config CMPXCHG_LOCAL
bool
default n
2007-10-29 07:34:31 +03:00
source "arch/x86/Kconfig.cpu"
2005-11-14 03:07:06 +03:00
endmenu
2005-05-01 19:58:54 +04:00
config UML_X86
2008-08-24 01:00:34 +04:00
def_bool y
2011-03-08 12:24:26 +03:00
select GENERIC_FIND_FIRST_BIT
2008-08-24 01:00:34 +04:00
config 64BIT
2005-05-01 19:58:54 +04:00
bool
2008-08-24 01:00:34 +04:00
default SUBARCH = "x86_64"
2005-05-01 19:58:54 +04:00
2007-12-01 23:16:28 +03:00
config X86_32
2008-08-24 01:00:34 +04:00
def_bool !64BIT
select HAVE_AOUT
2007-12-01 23:16:28 +03:00
2011-03-01 14:14:55 +03:00
config X86_64
def_bool 64BIT
2007-12-01 23:16:28 +03:00
config RWSEM_XCHGADD_ALGORITHM
2011-05-24 00:51:33 +04:00
def_bool X86_XADD && 64BIT
2007-12-01 23:16:28 +03:00
2008-08-24 01:00:34 +04:00
config RWSEM_GENERIC_SPINLOCK
2011-05-24 00:51:33 +04:00
def_bool !RWSEM_XCHGADD_ALGORITHM
2005-04-17 02:20:36 +04:00
config 3_LEVEL_PGTABLES
2008-08-24 01:00:34 +04:00
bool "Three-level pagetables (EXPERIMENTAL)" if !64BIT
default 64BIT
2006-01-19 04:42:59 +03:00
depends on EXPERIMENTAL
2005-04-17 02:20:36 +04:00
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.
2006-01-19 04:42:59 +03:00
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).
2005-04-17 02:20:36 +04:00
config ARCH_HAS_SC_SIGNALS
2008-08-24 01:00:34 +04:00
def_bool !64BIT
2005-04-17 02:20:36 +04:00
config ARCH_REUSE_HOST_VSYSCALL_AREA
2008-08-24 01:00:34 +04:00
def_bool !64BIT
config SMP_BROKEN
def_bool 64BIT
2006-03-26 13:38:59 +04:00
config GENERIC_HWEIGHT
2008-08-24 01:00:34 +04:00
def_bool y
2008-08-25 12:51:27 +04:00
source "arch/um/Kconfig.um"
endmenu
source "arch/um/Kconfig.rest"