bool
default y
select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
+ select ARCH_HAS_DEVMEM_IS_ALLOWED
select ARCH_HAS_ELF_RANDOMIZE
select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
select ARCH_HAVE_CUSTOM_GPIO_H
select HAVE_ARCH_BITREVERSE if (CPU_32v7M || CPU_32v7) && !CPU_32v6
select HAVE_ARCH_JUMP_LABEL if !XIP_KERNEL && !CPU_ENDIAN_BE32 && MMU
select HAVE_ARCH_KGDB if !CPU_ENDIAN_BE32 && MMU
+ select HAVE_ARCH_MMAP_RND_BITS if MMU
select HAVE_ARCH_SECCOMP_FILTER if (AEABI && !OABI_COMPAT)
select HAVE_ARCH_TRACEHOOK
select HAVE_ARM_SMCCC if CPU_V7
bool
default y
-config HAVE_LATENCYTOP_SUPPORT
- bool
- depends on !SMP
- default y
-
config LOCKDEP_SUPPORT
bool
default y
bool "Patch physical to virtual translations at runtime" if EMBEDDED
default y
depends on !XIP_KERNEL && MMU
- depends on !ARCH_REALVIEW || !SPARSEMEM
help
Patch phys-to-virt and virt-to-phys translation functions at
boot and module load time according to the position of the
Select if you want MMU-based virtualised addressing space
support by paged memory management. If unsure, say 'Y'.
+config ARCH_MMAP_RND_BITS_MIN
+ default 8
+
+config ARCH_MMAP_RND_BITS_MAX
+ default 14 if PAGE_OFFSET=0x40000000
+ default 15 if PAGE_OFFSET=0x80000000
+ default 16
+
#
# The "ARM system type" choice list is ordered alphabetically by option
# text. Please add new entries in the option alphabetic order.
#
choice
prompt "ARM system type"
- default ARCH_VERSATILE if !MMU
+ default ARM_SINGLE_ARMV7M if !MMU
default ARCH_MULTIPLATFORM if MMU
config ARCH_MULTIPLATFORM
select SPARSE_IRQ
select USE_OF
-config ARCH_REALVIEW
- bool "ARM Ltd. RealView family"
- select ARCH_WANT_OPTIONAL_GPIOLIB
- select ARM_AMBA
- select ARM_TIMER_SP804
- select COMMON_CLK
- select COMMON_CLK_VERSATILE
- select GENERIC_CLOCKEVENTS
- select GPIO_PL061 if GPIOLIB
- select ICST
- select NEED_MACH_MEMORY_H
- select PLAT_VERSATILE
- select PLAT_VERSATILE_SCHED_CLOCK
- help
- This enables support for ARM Ltd RealView boards.
-
-config ARCH_VERSATILE
- bool "ARM Ltd. Versatile family"
- select ARCH_WANT_OPTIONAL_GPIOLIB
- select ARM_AMBA
- select ARM_TIMER_SP804
- select ARM_VIC
- select CLKDEV_LOOKUP
- select GENERIC_CLOCKEVENTS
- select HAVE_MACH_CLKDEV
- select ICST
- select PLAT_VERSATILE
- select PLAT_VERSATILE_CLOCK
- select PLAT_VERSATILE_SCHED_CLOCK
- select VERSATILE_FPGA_IRQ
- help
- This enables support for ARM Ltd Versatile board.
config ARCH_CLPS711X
bool "Cirrus Logic CLPS711x/EP721x/EP731x-based"
select CPU_PJ4
select GENERIC_CLOCKEVENTS
select MIGHT_HAVE_PCI
+ select MULTI_IRQ_HANDLER
select MVEBU_MBUS
select PINCTRL
select PINCTRL_DOVE
select PLAT_ORION_LEGACY
- help
- Support for the Marvell Dove SoC 88AP510
-
-config ARCH_MV78XX0
- bool "Marvell MV78xx0"
- select ARCH_REQUIRE_GPIOLIB
- select CPU_FEROCEON
- select GENERIC_CLOCKEVENTS
- select MVEBU_MBUS
- select PCI
- select PLAT_ORION_LEGACY
- help
- Support for the following Marvell MV78xx0 series SoCs:
- MV781x0, MV782x0.
-
-config ARCH_ORION5X
- bool "Marvell Orion"
- depends on MMU
- select ARCH_REQUIRE_GPIOLIB
- select CPU_FEROCEON
- select GENERIC_CLOCKEVENTS
- select MVEBU_MBUS
- select PCI
- select PLAT_ORION_LEGACY
- select MULTI_IRQ_HANDLER
- help
- Support for the following Marvell Orion 5x series SoCs:
- Orion-1 (5181), Orion-VoIP (5181L), Orion-NAS (5182),
- Orion-2 (5281), Orion-1-90 (6183).
-
-config ARCH_MMP
- bool "Marvell PXA168/910/MMP2"
- depends on MMU
- select ARCH_REQUIRE_GPIOLIB
- select CLKDEV_LOOKUP
- select GENERIC_ALLOCATOR
- select GENERIC_CLOCKEVENTS
- select GPIO_PXA
- select IRQ_DOMAIN
- select MULTI_IRQ_HANDLER
- select PINCTRL
- select PLAT_PXA
select SPARSE_IRQ
+ select PM_GENERIC_DOMAINS if PM
help
- Support for Marvell's PXA168/PXA910(MMP) and MMP2 processor line.
+ Support for the Marvell Dove SoC 88AP510
config ARCH_KS8695
bool "Micrel/Kendin KS8695"
(<http://www.simtec.co.uk/products/EB110ITX/>), the IPAQ 1940 or the
Samsung SMDK2410 development board (and derivatives).
-config ARCH_S3C64XX
- bool "Samsung S3C64XX"
- select ARCH_REQUIRE_GPIOLIB
- select ARM_AMBA
- select ARM_VIC
- select ATAGS
- select CLKDEV_LOOKUP
- select CLKSRC_SAMSUNG_PWM
- select COMMON_CLK_SAMSUNG
- select CPU_V6K
- select GENERIC_CLOCKEVENTS
- select GPIO_SAMSUNG
- select HAVE_S3C2410_I2C if I2C
- select HAVE_S3C2410_WATCHDOG if WATCHDOG
- select HAVE_TCM
- select NO_IOPORT_MAP
- select PLAT_SAMSUNG
- select PM_GENERIC_DOMAINS if PM
- select S3C_DEV_NAND
- select S3C_GPIO_TRACK
- select SAMSUNG_ATAGS
- select SAMSUNG_WAKEMASK
- select SAMSUNG_WDT_RESET
- help
- Samsung S3C64XX series based systems
-
config ARCH_DAVINCI
bool "TI DaVinci"
select ARCH_HAS_HOLES_MEMORYMODEL
endmenu
config ARCH_VIRT
- bool "Dummy Virtual Machine" if ARCH_MULTI_V7
+ bool "Dummy Virtual Machine"
+ depends on ARCH_MULTI_V7
select ARM_AMBA
select ARM_GIC
select ARM_GIC_V2M if PCI_MSI
config IOMMU_HELPER
def_bool SWIOTLB
+config PARAVIRT
+ bool "Enable paravirtualization code"
+ help
+ This changes the kernel so it can modify itself when it is run
+ under a hypervisor, potentially improving performance significantly
+ over full virtualization.
+
+config PARAVIRT_TIME_ACCOUNTING
+ bool "Paravirtual steal time accounting"
+ select PARAVIRT
+ default n
+ help
+ Select this option to enable fine granularity task steal time
+ accounting. Time spent executing other tasks in parallel with
+ the current vCPU is discounted from the vCPU power. To account for
+ that, there can be a small performance impact.
+
+ If in doubt, say N here.
+
config XEN_DOM0
def_bool y
depends on XEN
select ARCH_DMA_ADDR_T_64BIT
select ARM_PSCI
select SWIOTLB_XEN
+ select PARAVIRT
help
Say Y if you want to run Linux in a Virtual Machine on Xen on ARM.
projects / karo-tx-linux.git / blobdiff