Kconfig

# x86 configuration
mainmenu "Linux Kernel Configuration for x86"

# Select 32 or 64 bit
config 64BIT
	bool "64-bit kernel" if ARCH = "x86"
	default ARCH = "x86_64"
	help
	  Say yes to build a 64-bit kernel - formerly known as x86_64
	  Say no to build a 32-bit kernel - formerly known as i386

config X86_32
	def_bool !64BIT

config X86_64
	def_bool 64BIT

### Arch settings
config X86
	def_bool y
	select HAVE_UNSTABLE_SCHED_CLOCK
	select HAVE_IDE
	select HAVE_OPROFILE
	select HAVE_IOREMAP_PROT
	select HAVE_KPROBES
	select HAVE_KRETPROBES
	select HAVE_DYNAMIC_FTRACE
	select HAVE_FTRACE
	select HAVE_KVM if ((X86_32 && !X86_VOYAGER && !X86_VISWS && !X86_NUMAQ) || X86_64)
	select HAVE_ARCH_KGDB if !X86_VOYAGER
	select HAVE_EFFICIENT_UNALIGNED_ACCESS

config ARCH_DEFCONFIG
	string
	default "arch/x86/configs/i386_defconfig" if X86_32
	default "arch/x86/configs/x86_64_defconfig" if X86_64


config GENERIC_LOCKBREAK
	def_bool n

config GENERIC_TIME
	def_bool y

config GENERIC_CMOS_UPDATE
	def_bool y

config CLOCKSOURCE_WATCHDOG
	def_bool y

config GENERIC_CLOCKEVENTS
	def_bool y

config GENERIC_CLOCKEVENTS_BROADCAST
	def_bool y
	depends on X86_64 || (X86_32 && X86_LOCAL_APIC)

config LOCKDEP_SUPPORT
	def_bool y

config STACKTRACE_SUPPORT
	def_bool y

config HAVE_LATENCYTOP_SUPPORT
	def_bool y

config FAST_CMPXCHG_LOCAL
	bool
	default y

config MMU
	def_bool y

config ZONE_DMA
	def_bool y

config SBUS
	bool

config GENERIC_ISA_DMA
	def_bool y

config GENERIC_IOMAP
	def_bool y

config GENERIC_BUG
	def_bool y
	depends on BUG

config GENERIC_HWEIGHT
	def_bool y

config GENERIC_GPIO
	def_bool n

config ARCH_MAY_HAVE_PC_FDC
	def_bool y

config RWSEM_GENERIC_SPINLOCK
	def_bool !X86_XADD

config RWSEM_XCHGADD_ALGORITHM
	def_bool X86_XADD

config ARCH_HAS_ILOG2_U32
	def_bool n

config ARCH_HAS_ILOG2_U64
	def_bool n

config ARCH_HAS_CPU_IDLE_WAIT
	def_bool y

config GENERIC_CALIBRATE_DELAY
	def_bool y

config GENERIC_TIME_VSYSCALL
	bool
	default X86_64

config ARCH_HAS_CPU_RELAX
	def_bool y

config ARCH_HAS_CACHE_LINE_SIZE
	def_bool y

config HAVE_SETUP_PER_CPU_AREA
	def_bool X86_64_SMP || (X86_SMP && !X86_VOYAGER)

config HAVE_CPUMASK_OF_CPU_MAP
	def_bool X86_64_SMP

config ARCH_HIBERNATION_POSSIBLE
	def_bool y
	depends on !SMP || !X86_VOYAGER

config ARCH_SUSPEND_POSSIBLE
	def_bool y
	depends on !X86_VOYAGER

config ZONE_DMA32
	bool
	default X86_64

config ARCH_POPULATES_NODE_MAP
	def_bool y

config AUDIT_ARCH
	bool
	default X86_64

config ARCH_SUPPORTS_AOUT
	def_bool y

config ARCH_SUPPORTS_OPTIMIZED_INLINING
	def_bool y

# Use the generic interrupt handling code in kernel/irq/:
config GENERIC_HARDIRQS
	bool
	default y

config GENERIC_IRQ_PROBE
	bool
	default y

config GENERIC_PENDING_IRQ
	bool
	depends on GENERIC_HARDIRQS && SMP
	default y

config X86_SMP
	bool
	depends on SMP && ((X86_32 && !X86_VOYAGER) || X86_64)
	select USE_GENERIC_SMP_HELPERS
	default y

config X86_32_SMP
	def_bool y
	depends on X86_32 && SMP

config X86_64_SMP
	def_bool y
	depends on X86_64 && SMP

config X86_HT
	bool
	depends on SMP
	depends on (X86_32 && !X86_VOYAGER) || X86_64
	default y

config X86_BIOS_REBOOT
	bool
	depends on !X86_VOYAGER
	default y

config X86_TRAMPOLINE
	bool
	depends on X86_SMP || (X86_VOYAGER && SMP) || (64BIT && ACPI_SLEEP)
	default y