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 166bf9adfcSAl Viro select GENERIC_SIGALTSTACK 175c48b108SAl Viro 185c48b108SAl Viroconfig 64BIT 194c3ff747SAl Viro bool "64-bit kernel" if SUBARCH = "x86" 204c3ff747SAl Viro default SUBARCH != "i386" 215c48b108SAl Viro 225c48b108SAl Viroconfig X86_32 235c48b108SAl Viro def_bool !64BIT 245c48b108SAl Viro select HAVE_AOUT 25bbb35efcSRichard Weinberger select ARCH_WANT_IPC_PARSE_VERSION 26786d35d4SDavid Howells select MODULES_USE_ELF_REL 271d4b4b29SAl Viro select CLONE_BACKWARDS 28*15ce1f71SAl Viro select OLD_SIGSUSPEND3 295c48b108SAl Viro 305c48b108SAl Viroconfig X86_64 315c48b108SAl Viro def_bool 64BIT 32786d35d4SDavid Howells select MODULES_USE_ELF_RELA 335c48b108SAl Viro 345c48b108SAl Viroconfig RWSEM_XCHGADD_ALGORITHM 357ac468b1SH. Peter Anvin def_bool 64BIT 365c48b108SAl Viro 375c48b108SAl Viroconfig RWSEM_GENERIC_SPINLOCK 385c48b108SAl Viro def_bool !RWSEM_XCHGADD_ALGORITHM 395c48b108SAl Viro 405c48b108SAl Viroconfig 3_LEVEL_PGTABLES 415c48b108SAl Viro bool "Three-level pagetables (EXPERIMENTAL)" if !64BIT 425c48b108SAl Viro default 64BIT 435c48b108SAl Viro depends on EXPERIMENTAL 445c48b108SAl Viro help 455c48b108SAl Viro Three-level pagetables will let UML have more than 4G of physical 465c48b108SAl Viro memory. All the memory that can't be mapped directly will be treated 475c48b108SAl Viro as high memory. 485c48b108SAl Viro 495c48b108SAl Viro However, this it experimental on 32-bit architectures, so if unsure say 505c48b108SAl Viro N (on x86-64 it's automatically enabled, instead, as it's safe there). 515c48b108SAl Viro 525c48b108SAl Viroconfig ARCH_HAS_SC_SIGNALS 535c48b108SAl Viro def_bool !64BIT 545c48b108SAl Viro 555c48b108SAl Viroconfig ARCH_REUSE_HOST_VSYSCALL_AREA 565c48b108SAl Viro def_bool !64BIT 575c48b108SAl Viro 585c48b108SAl Viroconfig GENERIC_HWEIGHT 595c48b108SAl Viro def_bool y 605c48b108SAl Viro 615c48b108SAl Virosource "arch/um/Kconfig.um" 625c48b108SAl Viro 635c48b108SAl Viroendmenu 645c48b108SAl Viro 655c48b108SAl Virosource "arch/um/Kconfig.rest" 66