15c48b108SAl Viromainmenu "User Mode Linux/$SUBARCH $KERNELVERSION Kernel Configuration" 25c48b108SAl Viro 35c48b108SAl Virosource "arch/um/Kconfig.common" 45c48b108SAl Viro 55c48b108SAl Viromenu "UML-specific options" 65c48b108SAl Viro 75c48b108SAl Viromenu "Host processor type and features" 85c48b108SAl Viro 95c48b108SAl Virosource "arch/x86/Kconfig.cpu" 105c48b108SAl Viro 115c48b108SAl Viroendmenu 125c48b108SAl Viro 135c48b108SAl Viroconfig UML_X86 145c48b108SAl Viro def_bool y 155c48b108SAl Viro select GENERIC_FIND_FIRST_BIT 165c48b108SAl Viro 175c48b108SAl Viroconfig 64BIT 184c3ff747SAl Viro bool "64-bit kernel" if SUBARCH = "x86" 194c3ff747SAl Viro default SUBARCH != "i386" 205c48b108SAl Viro 215c48b108SAl Viroconfig X86_32 225c48b108SAl Viro def_bool !64BIT 235c48b108SAl Viro select HAVE_AOUT 24bbb35efcSRichard Weinberger select ARCH_WANT_IPC_PARSE_VERSION 25786d35d4SDavid Howells select MODULES_USE_ELF_REL 261d4b4b29SAl Viro select CLONE_BACKWARDS 2715ce1f71SAl Viro select OLD_SIGSUSPEND3 285b3eb3adSAl Viro select OLD_SIGACTION 295c48b108SAl Viro 305c48b108SAl Viroconfig X86_64 315c48b108SAl Viro def_bool 64BIT 32786d35d4SDavid Howells select MODULES_USE_ELF_RELA 335c48b108SAl Viro 34*e40f04d0SRamkumar Ramachandraconfig ARCH_DEFCONFIG 35*e40f04d0SRamkumar Ramachandra string 36*e40f04d0SRamkumar Ramachandra default "arch/um/configs/i386_defconfig" if X86_32 37*e40f04d0SRamkumar Ramachandra default "arch/um/configs/x86_64_defconfig" if X86_64 38*e40f04d0SRamkumar Ramachandra 395c48b108SAl Viroconfig RWSEM_XCHGADD_ALGORITHM 407ac468b1SH. Peter Anvin def_bool 64BIT 415c48b108SAl Viro 425c48b108SAl Viroconfig RWSEM_GENERIC_SPINLOCK 435c48b108SAl Viro def_bool !RWSEM_XCHGADD_ALGORITHM 445c48b108SAl Viro 455c48b108SAl Viroconfig 3_LEVEL_PGTABLES 4601b35ab7SKees Cook bool "Three-level pagetables" if !64BIT 475c48b108SAl Viro default 64BIT 485c48b108SAl Viro help 495c48b108SAl Viro Three-level pagetables will let UML have more than 4G of physical 505c48b108SAl Viro memory. All the memory that can't be mapped directly will be treated 515c48b108SAl Viro as high memory. 525c48b108SAl Viro 535c48b108SAl Viro However, this it experimental on 32-bit architectures, so if unsure say 545c48b108SAl Viro N (on x86-64 it's automatically enabled, instead, as it's safe there). 555c48b108SAl Viro 565c48b108SAl Viroconfig ARCH_HAS_SC_SIGNALS 575c48b108SAl Viro def_bool !64BIT 585c48b108SAl Viro 595c48b108SAl Viroconfig ARCH_REUSE_HOST_VSYSCALL_AREA 605c48b108SAl Viro def_bool !64BIT 615c48b108SAl Viro 625c48b108SAl Viroconfig GENERIC_HWEIGHT 635c48b108SAl Viro def_bool y 645c48b108SAl Viro 655c48b108SAl Virosource "arch/um/Kconfig.um" 665c48b108SAl Viro 675c48b108SAl Viroendmenu 685c48b108SAl Viro 695c48b108SAl Virosource "arch/um/Kconfig.rest" 70