config X86_32
def_bool y
depends on !64BIT
+ # Options that are inherently 32-bit kernel only:
+ select ARCH_WANT_IPC_PARSE_VERSION
+ select CLKSRC_I8253
+ select CLONE_BACKWARDS
+ select HAVE_AOUT
+ select HAVE_GENERIC_DMA_COHERENT
+ select MODULES_USE_ELF_REL
+ select OLD_SIGACTION
config X86_64
def_bool y
select ARCH_WANT_BATCHED_UNMAP_TLB_FLUSH if SMP
select ARCH_WANTS_DYNAMIC_TASK_STRUCT
select ARCH_WANT_FRAME_POINTERS
- select ARCH_WANT_IPC_PARSE_VERSION if X86_32
select BUILDTIME_EXTABLE_SORT
select CLKEVT_I8253
- select CLKSRC_I8253 if X86_32
select CLOCKSOURCE_VALIDATE_LAST_CYCLE
select CLOCKSOURCE_WATCHDOG
- select CLONE_BACKWARDS if X86_32
select COMPAT_OLD_SIGACTION if IA32_EMULATION
select DCACHE_WORD_ACCESS
select EDAC_ATOMIC_SCRUB
select HAVE_ACPI_APEI if ACPI
select HAVE_ACPI_APEI_NMI if ACPI
select HAVE_ALIGNED_STRUCT_PAGE if SLUB
- select HAVE_AOUT if X86_32
select HAVE_ARCH_AUDITSYSCALL
select HAVE_ARCH_HARDENED_USERCOPY
select HAVE_ARCH_HUGE_VMAP if X86_64 || X86_PAE
select HAVE_FUNCTION_GRAPH_TRACER
select HAVE_FUNCTION_TRACER
select HAVE_GCC_PLUGINS
- select HAVE_GENERIC_DMA_COHERENT if X86_32
select HAVE_HW_BREAKPOINT
select HAVE_IDE
select HAVE_IOREMAP_PROT
select HAVE_USER_RETURN_NOTIFIER
select IRQ_FORCED_THREADING
select MODULES_USE_ELF_RELA if X86_64
- select MODULES_USE_ELF_REL if X86_32
- select OLD_SIGACTION if X86_32
select OLD_SIGSUSPEND3 if X86_32 || IA32_EMULATION
select PERF_EVENTS
select RTC_LIB