config ARM64
def_bool y
select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
+ select ARCH_USE_CMPXCHG_LOCKREF
+ select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
select ARCH_WANT_OPTIONAL_GPIOLIB
select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
select ARCH_WANT_FRAME_POINTERS
select ARM_AMBA
select ARM_ARCH_TIMER
select ARM_GIC
+ select BUILDTIME_EXTABLE_SORT
select CLONE_BACKWARDS
select COMMON_CLK
+ select CPU_PM if (SUSPEND || CPU_IDLE)
select GENERIC_CLOCKEVENTS
+ select GENERIC_CLOCKEVENTS_BROADCAST if SMP
select GENERIC_IOMAP
select GENERIC_IRQ_PROBE
select GENERIC_IRQ_SHOW
select HAVE_DEBUG_KMEMLEAK
select HAVE_DMA_API_DEBUG
select HAVE_DMA_ATTRS
+ select HAVE_DMA_CONTIGUOUS
select HAVE_GENERIC_DMA_COHERENT
select HAVE_GENERIC_HARDIRQS
select HAVE_HW_BREAKPOINT if PERF_EVENTS
config TRACE_IRQFLAGS_SUPPORT
def_bool y
-config GENERIC_LOCKBREAK
- def_bool y
- depends on SMP && PREEMPT
-
config RWSEM_GENERIC_SPINLOCK
def_bool y
config GENERIC_CALIBRATE_DELAY
def_bool y
-config ZONE_DMA32
+config ZONE_DMA
def_bool y
config ARCH_DMA_ADDR_T_64BIT
This enables support for the ARMv8 software model (Versatile
Express).
+config ARCH_XGENE
+ bool "AppliedMicro X-Gene SOC Family"
+ help
+ This enables support for AppliedMicro X-Gene SOC Family
+
endmenu
menu "Bus support"
look-up. AArch32 emulation is not available when this feature
is enabled.
+config CPU_BIG_ENDIAN
+ bool "Build big-endian kernel"
+ help
+ Say Y if you plan on running a kernel in big-endian mode.
+
config SMP
bool "Symmetric Multi-Processing"
select USE_GENERIC_SMP_HELPERS
If you don't know what to do here, say N.
-config ARM_CPU_TOPOLOGY
- bool "Support CPU topology definition"
- depends on SMP
- default y
- help
- Support CPU topology definition, based on configuration
- provided by the firmware.
-
config SCHED_MC
bool "Multi-core scheduler support"
- depends on ARM_CPU_TOPOLOGY
+ depends on SMP
help
Multi-core scheduler support improves the CPU scheduler's decision
making when dealing with multi-core CPU chips at a cost of slightly
config SCHED_SMT
bool "SMT scheduler support"
- depends on ARM_CPU_TOPOLOGY
+ depends on SMP
help
Improves the CPU scheduler's decision making when dealing with
MultiThreading at a cost of slightly increased overhead in some
int "Maximum number of CPUs (2-32)"
range 2 32
depends on SMP
- default "4"
+ # These have to remain sorted largest to smallest
+ default "8"
config HOTPLUG_CPU
bool "Support for hot-pluggable CPUs"
Enable hardware performance counter support for perf events. If
disabled, perf events will use software events only.
+config SYS_SUPPORTS_HUGETLBFS
+ def_bool y
+
+config ARCH_WANT_GENERAL_HUGETLB
+ def_bool y
+
+config ARCH_WANT_HUGE_PMD_SHARE
+ def_bool y if !ARM64_64K_PAGES
+
+config HAVE_ARCH_TRANSPARENT_HUGEPAGE
+ def_bool y
+
source "mm/Kconfig"
+config FORCE_MAX_ZONEORDER
+ int
+ default "14" if (ARM64_64K_PAGES && TRANSPARENT_HUGEPAGE)
+ default "11"
+
endmenu
menu "Boot options"
source "kernel/power/Kconfig"
source "drivers/cpufreq/Kconfig"
+config ARCH_SUSPEND_POSSIBLE
+ def_bool y
+
+config ARM64_CPU_SUSPEND
+ def_bool PM_SLEEP
+
+endmenu
+
+menu "CPU Power Management"
+
+source "drivers/cpuidle/Kconfig"
endmenu