Merge remote-tracking branch 'lsk/v3.10/topic/arm64-kgdb' into lsk-v3.10-arm64-misc
[firefly-linux-kernel-4.4.55.git] / arch / arm64 / Kconfig
index 20f25572218e9bfe6fc0e7552609166cdd270f21..d5b813ed86a12cb489a258505315ef1e0ff335af 100644 (file)
@@ -1,19 +1,24 @@
 config ARM64
        def_bool y
        select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
+       select ARCH_USE_CMPXCHG_LOCKREF
        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 DCACHE_WORD_ACCESS
        select GENERIC_CLOCKEVENTS
        select GENERIC_IOMAP
        select GENERIC_IRQ_PROBE
        select GENERIC_IRQ_SHOW
        select GENERIC_SMP_IDLE_THREAD
+       select GENERIC_STRNCPY_FROM_USER
+       select GENERIC_STRNLEN_USER
        select GENERIC_TIME_VSYSCALL
        select HARDIRQS_SW_RESEND
        select HAVE_ARCH_KGDB
@@ -22,10 +27,12 @@ config ARM64
        select HAVE_DEBUG_KMEMLEAK
        select HAVE_DMA_API_DEBUG
        select HAVE_DMA_ATTRS
+       select HAVE_EFFICIENT_UNALIGNED_ACCESS
        select HAVE_GENERIC_DMA_COHERENT
        select HAVE_GENERIC_HARDIRQS
        select HAVE_HW_BREAKPOINT if PERF_EVENTS
        select HAVE_MEMBLOCK
+       select HAVE_PATA_PLATFORM
        select HAVE_PERF_EVENTS
        select IRQ_DOMAIN
        select MODULES_USE_ELF_RELA
@@ -62,10 +69,6 @@ config LOCKDEP_SUPPORT
 config TRACE_IRQFLAGS_SUPPORT
        def_bool y
 
-config GENERIC_LOCKBREAK
-       def_bool y
-       depends on SMP && PREEMPT
-
 config RWSEM_GENERIC_SPINLOCK
        def_bool y
 
@@ -112,6 +115,11 @@ config ARCH_VEXPRESS
          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"
@@ -149,7 +157,15 @@ config NR_CPUS
        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"
+       depends on SMP
+       help
+         Say Y here to experiment with turning CPUs off and on.  CPUs
+         can be controlled through /sys/devices/system/cpu.
 
 source kernel/Kconfig.preempt
 
@@ -181,8 +197,25 @@ config HW_PERF_EVENTS
          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"