diff options
Diffstat (limited to 'kernel/arch/x86/um/Kconfig')
| -rw-r--r-- | kernel/arch/x86/um/Kconfig | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/kernel/arch/x86/um/Kconfig b/kernel/arch/x86/um/Kconfig new file mode 100644 index 000000000..ed56a1c4a --- /dev/null +++ b/kernel/arch/x86/um/Kconfig @@ -0,0 +1,69 @@ +mainmenu "User Mode Linux/$SUBARCH $KERNELVERSION Kernel Configuration" + +source "arch/um/Kconfig.common" + +menu "UML-specific options" + +menu "Host processor type and features" + +source "arch/x86/Kconfig.cpu" + +endmenu + +config UML_X86 + def_bool y + select GENERIC_FIND_FIRST_BIT + +config 64BIT + bool "64-bit kernel" if SUBARCH = "x86" + default SUBARCH != "i386" + +config X86_32 + def_bool !64BIT + select HAVE_AOUT + select ARCH_WANT_IPC_PARSE_VERSION + select MODULES_USE_ELF_REL + select CLONE_BACKWARDS + select OLD_SIGSUSPEND3 + select OLD_SIGACTION + +config X86_64 + def_bool 64BIT + select MODULES_USE_ELF_RELA + +config ARCH_DEFCONFIG + string + default "arch/um/configs/i386_defconfig" if X86_32 + default "arch/um/configs/x86_64_defconfig" if X86_64 + +config RWSEM_XCHGADD_ALGORITHM + def_bool 64BIT + +config RWSEM_GENERIC_SPINLOCK + def_bool !RWSEM_XCHGADD_ALGORITHM + +config 3_LEVEL_PGTABLES + bool "Three-level pagetables" if !64BIT + default 64BIT + 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. + + 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). + +config ARCH_HAS_SC_SIGNALS + def_bool !64BIT + +config ARCH_REUSE_HOST_VSYSCALL_AREA + def_bool !64BIT + +config GENERIC_HWEIGHT + def_bool y + +source "arch/um/Kconfig.um" + +endmenu + +source "arch/um/Kconfig.rest" |