select HAVE_GENERIC_DMA_COHERENT
select HAVE_IDE
select HAVE_OPROFILE
- select HAVE_IRQ_WORK
select HAVE_PERF_EVENTS
select PERF_USE_VMALLOC
select HAVE_ARCH_KGDB
select HAVE_KRETPROBES
select HAVE_DEBUG_KMEMLEAK
select ARCH_BINFMT_ELF_RANDOMIZE_PIE
+ select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
select RTC_LIB if !MACH_LOONGSON
select GENERIC_ATOMIC64 if !64BIT
select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
select BUILDTIME_EXTABLE_SORT
select GENERIC_CLOCKEVENTS
select GENERIC_CMOS_UPDATE
+ select HAVE_MOD_ARCH_SPECIFIC
+ select VIRT_TO_BUS
+ select MODULES_USE_ELF_REL if MODULES
+ select MODULES_USE_ELF_RELA if MODULES && 64BIT
+ select CLONE_BACKWARDS
menu "Machine selection"
config MIPS_ALCHEMY
bool "Alchemy processor based machines"
select 64BIT_PHYS_ADDR
- select CEVT_R4K_LIB
- select CSRC_R4K_LIB
+ select CEVT_R4K
+ select CSRC_R4K
select IRQ_CPU
select SYS_HAS_CPU_MIPS32_R1
select SYS_SUPPORTS_32BIT_KERNEL
config BCM47XX
bool "Broadcom BCM47XX based boards"
+ select ARCH_WANT_OPTIONAL_GPIOLIB
+ select BOOT_RAW
select CEVT_R4K
select CSRC_R4K
select DMA_NONCOHERENT
+ select FW_CFE
select HW_HAS_PCI
select IRQ_CPU
+ select NO_EXCEPT_FILL
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_LITTLE_ENDIAN
- select GENERIC_GPIO
select SYS_HAS_EARLY_PRINTK
- select CFE
help
Support for BCM47XX based boards
select SYS_HAS_CPU_R3000
select SYS_HAS_CPU_R4X00
select SYS_SUPPORTS_32BIT_KERNEL
- select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
+ select SYS_SUPPORTS_64BIT_KERNEL
select SYS_SUPPORTS_LITTLE_ENDIAN
select SYS_SUPPORTS_128HZ
select SYS_SUPPORTS_256HZ
config MACH_JAZZ
bool "Jazz family of machines"
- select ARC
- select ARC32
+ select FW_ARC
+ select FW_ARC32
select ARCH_MAY_HAVE_PC_FDC
select CEVT_R4K
select CSRC_R4K
select ISA
select SYS_HAS_CPU_R4X00
select SYS_SUPPORTS_32BIT_KERNEL
- select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
+ select SYS_SUPPORTS_64BIT_KERNEL
select SYS_SUPPORTS_100HZ
help
This a family of machines based on the MIPS R4030 chipset which was
select HAVE_MACH_CLKDEV
select CLKDEV_LOOKUP
select USE_OF
+ select PINCTRL
+ select PINCTRL_LANTIQ
config LASAT
bool "LASAT Networks platforms"
select BOOT_RAW
select CEVT_R4K
select CSRC_R4K
+ select CSRC_GIC
select DMA_NONCOHERENT
select GENERIC_ISA_DMA
select HAVE_PCSPKR_PLATFORM
select HW_HAS_PCI
select I8253
select I8259
- select MIPS_BOARDS_GEN
select MIPS_BONITO64
select MIPS_CPU_SCACHE
select PCI_GT64XXX_PCI0
This enables support for the MIPS Technologies Malta evaluation
board.
-config MIPS_SIM
- bool 'MIPS simulator (MIPSsim)'
+config MIPS_SEAD3
+ bool "MIPS SEAD3 board"
+ select BOOT_ELF32
+ select BOOT_RAW
select CEVT_R4K
select CSRC_R4K
+ select CPU_MIPSR2_IRQ_VI
+ select CPU_MIPSR2_IRQ_EI
select DMA_NONCOHERENT
- select SYS_HAS_EARLY_PRINTK
select IRQ_CPU
- select BOOT_RAW
+ select IRQ_GIC
+ select MIPS_CPU_SCACHE
+ select MIPS_MSC
select SYS_HAS_CPU_MIPS32_R1
select SYS_HAS_CPU_MIPS32_R2
+ select SYS_HAS_CPU_MIPS64_R1
select SYS_HAS_EARLY_PRINTK
select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_64BIT_KERNEL
select SYS_SUPPORTS_BIG_ENDIAN
- select SYS_SUPPORTS_MULTITHREADING
select SYS_SUPPORTS_LITTLE_ENDIAN
+ select SYS_SUPPORTS_SMARTMIPS
+ select USB_ARCH_HAS_EHCI
+ select USB_EHCI_BIG_ENDIAN_DESC
+ select USB_EHCI_BIG_ENDIAN_MMIO
+ select USE_OF
help
- This option enables support for MIPS Technologies MIPSsim software
- emulator.
+ This enables support for the MIPS Technologies SEAD3 evaluation
+ board.
config NEC_MARKEINS
bool "NEC EMMA2RH Mark-eins board"
help
Support for NXP Semiconductors STB225 Development Board.
-config PNX8550_JBS
- bool "NXP PNX8550 based JBS board"
- select PNX8550
- select SYS_SUPPORTS_LITTLE_ENDIAN
-
-config PNX8550_STB810
- bool "NXP PNX8550 based STB810 board"
- select PNX8550
- select SYS_SUPPORTS_LITTLE_ENDIAN
-
config PMC_MSP
bool "PMC-Sierra MSP chipsets"
- depends on EXPERIMENTAL
select CEVT_R4K
select CSRC_R4K
select DMA_NONCOHERENT
of integrated peripherals, interfaces and DSPs in addition to
a variety of MIPS cores.
-config PMC_YOSEMITE
- bool "PMC-Sierra Yosemite eval board"
- select CEVT_R4K
- select CSRC_R4K
- select DMA_COHERENT
- select HW_HAS_PCI
- select IRQ_CPU
- select IRQ_CPU_RM7K
- select IRQ_CPU_RM9K
- select SWAP_IO_SPACE
- select SYS_HAS_CPU_RM9000
- select SYS_HAS_EARLY_PRINTK
- select SYS_SUPPORTS_32BIT_KERNEL
- select SYS_SUPPORTS_64BIT_KERNEL
- select SYS_SUPPORTS_BIG_ENDIAN
- select SYS_SUPPORTS_HIGHMEM
- select SYS_SUPPORTS_SMP
- help
- Yosemite is an evaluation board for the RM9000x2 processor
- manufactured by PMC-Sierra.
-
config POWERTV
bool "Cisco PowerTV"
select BOOT_ELF32
help
This enables support for the Cisco PowerTV Platform.
+config RALINK
+ bool "Ralink based machines"
+ select CEVT_R4K
+ select CSRC_R4K
+ select BOOT_RAW
+ select DMA_NONCOHERENT
+ select IRQ_CPU
+ select USE_OF
+ select SYS_HAS_CPU_MIPS32_R1
+ select SYS_HAS_CPU_MIPS32_R2
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_LITTLE_ENDIAN
+ select SYS_HAS_EARLY_PRINTK
+ select HAVE_MACH_CLKDEV
+ select CLKDEV_LOOKUP
+
config SGI_IP22
bool "SGI IP22 (Indy/Indigo2)"
- select ARC
- select ARC32
+ select FW_ARC
+ select FW_ARC32
select BOOT_ELF32
select CEVT_R4K
select CSRC_R4K
config SGI_IP27
bool "SGI IP27 (Origin200/2000)"
- select ARC
- select ARC64
+ select FW_ARC
+ select FW_ARC64
select BOOT_ELF64
select DEFAULT_SGI_PARTITION
select DMA_COHERENT
here.
config SGI_IP28
- bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)"
- depends on EXPERIMENTAL
- select ARC
- select ARC64
+ bool "SGI IP28 (Indigo2 R10k)"
+ select FW_ARC
+ select FW_ARC64
select BOOT_ELF64
select CEVT_R4K
select CSRC_R4K
config SGI_IP32
bool "SGI IP32 (O2)"
- select ARC
- select ARC32
+ select FW_ARC
+ select FW_ARC32
select BOOT_ELF32
select CEVT_R4K
select CSRC_R4K
config SIBYTE_CRHINE
bool "Sibyte BCM91120C-CRhine"
- depends on EXPERIMENTAL
select BOOT_ELF32
select DMA_COHERENT
select SIBYTE_BCM1120
config SIBYTE_CARMEL
bool "Sibyte BCM91120x-Carmel"
- depends on EXPERIMENTAL
select BOOT_ELF32
select DMA_COHERENT
select SIBYTE_BCM1120
config SIBYTE_CRHONE
bool "Sibyte BCM91125C-CRhone"
- depends on EXPERIMENTAL
select BOOT_ELF32
select DMA_COHERENT
select SIBYTE_BCM1125
config SIBYTE_RHONE
bool "Sibyte BCM91125E-Rhone"
- depends on EXPERIMENTAL
select BOOT_ELF32
select DMA_COHERENT
select SIBYTE_BCM1125H
config SIBYTE_LITTLESUR
bool "Sibyte BCM91250C2-LittleSur"
- depends on EXPERIMENTAL
select BOOT_ELF32
select DMA_COHERENT
select HAVE_PATA_PLATFORM
config SIBYTE_SENTOSA
bool "Sibyte BCM91250E-Sentosa"
- depends on EXPERIMENTAL
select BOOT_ELF32
select DMA_COHERENT
select NR_CPUS_DEFAULT_2
config SNI_RM
bool "SNI RM200/300/400"
- select ARC if CPU_LITTLE_ENDIAN
- select ARC32 if CPU_LITTLE_ENDIAN
- select SNIPROM if CPU_BIG_ENDIAN
+ select FW_ARC if CPU_LITTLE_ENDIAN
+ select FW_ARC32 if CPU_LITTLE_ENDIAN
+ select FW_SNIPROM if CPU_BIG_ENDIAN
select ARCH_MAY_HAVE_PC_FDC
select BOOT_ELF32
select CEVT_R4K
select R5000_CPU_SCACHE
select SYS_HAS_EARLY_PRINTK
select SYS_SUPPORTS_32BIT_KERNEL
- select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
+ select SYS_SUPPORTS_64BIT_KERNEL
select SYS_SUPPORTS_BIG_ENDIAN
select SYS_SUPPORTS_HIGHMEM
select SYS_SUPPORTS_LITTLE_ENDIAN
select DMA_COHERENT
select SYS_SUPPORTS_64BIT_KERNEL
select SYS_SUPPORTS_BIG_ENDIAN
+ select EDAC_SUPPORT
select SYS_SUPPORTS_HOTPLUG_CPU
select SYS_HAS_EARLY_PRINTK
select SYS_HAS_CPU_CAVIUM_OCTEON
config NLM_XLR_BOARD
bool "Netlogic XLR/XLS based systems"
- depends on EXPERIMENTAL
select BOOT_ELF32
select NLM_COMMON
select SYS_HAS_CPU_XLR
select CSRC_R4K
select IRQ_CPU
select ARCH_SUPPORTS_MSI
- select ZONE_DMA if 64BIT
+ select ZONE_DMA32 if 64BIT
select SYNC_R4K
select SYS_HAS_EARLY_PRINTK
select USB_ARCH_HAS_OHCI if USB_SUPPORT
config NLM_XLP_BOARD
bool "Netlogic XLP based systems"
- depends on EXPERIMENTAL
select BOOT_ELF32
select NLM_COMMON
select SYS_HAS_CPU_XLP
select CEVT_R4K
select CSRC_R4K
select IRQ_CPU
- select ZONE_DMA if 64BIT
+ select ZONE_DMA32 if 64BIT
select SYNC_R4K
select SYS_HAS_EARLY_PRINTK
+ select USE_OF
help
This board is based on Netlogic XLP Processor.
Say Y here if you have a XLP based board.
source "arch/mips/jz4740/Kconfig"
source "arch/mips/lantiq/Kconfig"
source "arch/mips/lasat/Kconfig"
-source "arch/mips/pmc-sierra/Kconfig"
+source "arch/mips/pmcs-msp71xx/Kconfig"
source "arch/mips/powertv/Kconfig"
+source "arch/mips/ralink/Kconfig"
source "arch/mips/sgi-ip27/Kconfig"
source "arch/mips/sibyte/Kconfig"
source "arch/mips/txx9/Kconfig"
#
# Select some configuration options automatically based on user selections.
#
-config ARC
+config FW_ARC
bool
config ARCH_MAY_HAVE_PC_FDC
config CEVT_GT641XX
bool
-config CEVT_R4K_LIB
- bool
-
config CEVT_R4K
- select CEVT_R4K_LIB
bool
config CEVT_SB1250
config CSRC_POWERTV
bool
-config CSRC_R4K_LIB
+config CSRC_R4K
bool
-config CSRC_R4K
- select CSRC_R4K_LIB
+config CSRC_GIC
bool
config CSRC_SB1250
select ARCH_REQUIRE_GPIOLIB
bool
-config CFE
+config FW_CFE
bool
config ARCH_DMA_ADDR_T_64BIT
config MIPS_NILE4
bool
-config MIPS_DISABLE_OBSOLETE_IDE
- bool
-
config SYNC_R4K
bool
depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
default y
+config MIPS_HUGE_TLB_SUPPORT
+ def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
+
config IRQ_CPU
bool
config IRQ_CPU_RM7K
bool
-config IRQ_CPU_RM9K
- bool
-
config IRQ_MSP_SLP
bool
config IRQ_GIC
bool
-config MIPS_BOARDS_GEN
- bool
-
config PCI_GT64XXX_PCI0
bool
config NO_EXCEPT_FILL
bool
-config MIPS_RM9122
- bool
- select SERIAL_RM9000
-
config SOC_EMMA2RH
bool
select CEVT_R4K
bool
select SOC_PNX833X
-config PNX8550
- bool
- select SOC_PNX8550
-
-config SOC_PNX8550
- bool
- select DMA_NONCOHERENT
- select HW_HAS_PCI
- select SYS_HAS_CPU_MIPS32_R1
- select SYS_HAS_EARLY_PRINTK
- select SYS_SUPPORTS_32BIT_KERNEL
- select GENERIC_GPIO
-
config SWAP_IO_SPACE
bool
-config SERIAL_RM9000
- bool
-
config SGI_HAS_INDYDOG
bool
config DEFAULT_SGI_PARTITION
bool
-config ARC32
+config FW_ARC32
bool
-config SNIPROM
+config FW_SNIPROM
bool
config BOOT_ELF32
config MIPS_L1_CACHE_SHIFT
int
- default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL
+ default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL || SOC_RT288X
default "6" if MIPS_CPU_SCACHE
default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
default "5"
depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
default y
-config ARC64
+config FW_ARC64
bool
config BOOT_ELF64
select CPU_HAS_PREFETCH
select CPU_SUPPORTS_32BIT_KERNEL
select CPU_SUPPORTS_HIGHMEM
+ select HAVE_KVM
help
Choose this option to build a kernel for release 2 or later of the
MIPS32 architecture. Most modern embedded systems with a 32-bit
depends on SYS_HAS_CPU_R4X00
select CPU_SUPPORTS_32BIT_KERNEL
select CPU_SUPPORTS_64BIT_KERNEL
+ select CPU_SUPPORTS_HUGEPAGES
help
MIPS Technologies R4000-series processors other than 4300, including
the R4000, R4400, R4600, and 4700.
select CPU_HAS_PREFETCH
select CPU_SUPPORTS_32BIT_KERNEL
select CPU_SUPPORTS_64BIT_KERNEL
+ select CPU_SUPPORTS_HUGEPAGES
config CPU_R5000
bool "R5000"
depends on SYS_HAS_CPU_R5000
select CPU_SUPPORTS_32BIT_KERNEL
select CPU_SUPPORTS_64BIT_KERNEL
+ select CPU_SUPPORTS_HUGEPAGES
help
MIPS Technologies R5000-series processors other than the Nevada.
depends on SYS_HAS_CPU_R5432
select CPU_SUPPORTS_32BIT_KERNEL
select CPU_SUPPORTS_64BIT_KERNEL
+ select CPU_SUPPORTS_HUGEPAGES
config CPU_R5500
bool "R5500"
config CPU_R6000
bool "R6000"
- depends on EXPERIMENTAL
depends on SYS_HAS_CPU_R6000
select CPU_SUPPORTS_32BIT_KERNEL
help
depends on SYS_HAS_CPU_NEVADA
select CPU_SUPPORTS_32BIT_KERNEL
select CPU_SUPPORTS_64BIT_KERNEL
+ select CPU_SUPPORTS_HUGEPAGES
help
QED / PMC-Sierra RM52xx-series ("Nevada") processors.
config CPU_R8000
bool "R8000"
- depends on EXPERIMENTAL
depends on SYS_HAS_CPU_R8000
select CPU_HAS_PREFETCH
select CPU_SUPPORTS_64BIT_KERNEL
select CPU_SUPPORTS_32BIT_KERNEL
select CPU_SUPPORTS_64BIT_KERNEL
select CPU_SUPPORTS_HIGHMEM
+ select CPU_SUPPORTS_HUGEPAGES
help
MIPS Technologies R10000-series processors.
select CPU_SUPPORTS_32BIT_KERNEL
select CPU_SUPPORTS_64BIT_KERNEL
select CPU_SUPPORTS_HIGHMEM
-
-config CPU_RM9000
- bool "RM9000"
- depends on SYS_HAS_CPU_RM9000
- select CPU_HAS_PREFETCH
- select CPU_SUPPORTS_32BIT_KERNEL
- select CPU_SUPPORTS_64BIT_KERNEL
- select CPU_SUPPORTS_HIGHMEM
- select WEAK_ORDERING
+ select CPU_SUPPORTS_HUGEPAGES
config CPU_SB1
bool "SB1"
select CPU_SUPPORTS_32BIT_KERNEL
select CPU_SUPPORTS_64BIT_KERNEL
select CPU_SUPPORTS_HIGHMEM
+ select CPU_SUPPORTS_HUGEPAGES
select WEAK_ORDERING
config CPU_CAVIUM_OCTEON
select CPU_SUPPORTS_32BIT_KERNEL
select CPU_SUPPORTS_64BIT_KERNEL
select CPU_SUPPORTS_HIGHMEM
+ select CPU_SUPPORTS_HUGEPAGES
select WEAK_ORDERING
select WEAK_REORDERING_BEYOND_LLSC
- select CPU_SUPPORTS_HUGEPAGES
help
Netlogic Microsystems XLR/XLS processors.
select CPU_SUPPORTS_32BIT_KERNEL
select CPU_SUPPORTS_64BIT_KERNEL
select CPU_SUPPORTS_HIGHMEM
- select CPU_HAS_LLSC
select WEAK_ORDERING
select WEAK_REORDERING_BEYOND_LLSC
select CPU_HAS_PREFETCH
+ select CPU_MIPSR2
help
Netlogic Microsystems XLP processors.
endchoice
select CPU_SUPPORTS_32BIT_KERNEL
select CPU_SUPPORTS_64BIT_KERNEL
select CPU_SUPPORTS_HIGHMEM
+ select CPU_SUPPORTS_HUGEPAGES
config CPU_LOONGSON1
bool
config SYS_HAS_CPU_RM7000
bool
-config SYS_HAS_CPU_RM9000
- bool
-
config SYS_HAS_CPU_SB1
bool
bool
config MIPS_PGD_C0_CONTEXT
bool
- default y if 64BIT && CPU_MIPSR2
+ default y if 64BIT && CPU_MIPSR2 && !CPU_XLP
#
# Set to y for ptrace access to watch registers.
menu "Kernel type"
choice
-
prompt "Kernel code model"
help
You should only select this option if you have a workload that
endchoice
+config KVM_GUEST
+ bool "KVM Guest Kernel"
+ help
+ Select this option if building a guest kernel for KVM (Trap & Emulate) mode
+
+config KVM_HOST_FREQ
+ int "KVM Host Processor Frequency (MHz)"
+ depends on KVM_GUEST
+ default 500
+ help
+ Select this option if building a guest kernel for KVM to skip
+ RTC emulation when determining guest CPU Frequency. Instead, the guest
+ processor frequency is automatically derived from the host frequency.
+
choice
prompt "Kernel page size"
default PAGE_SIZE_4KB
config PAGE_SIZE_8KB
bool "8kB"
- depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON
+ depends on CPU_R8000 || CPU_CAVIUM_OCTEON
help
Using 8kB page size will result in higher performance kernel at
the price of higher memory consumption. This option is available
config PAGE_SIZE_64KB
bool "64kB"
- depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
+ depends on !CPU_R3000 && !CPU_TX39XX
help
Using 64kB page size will result in higher performance kernel at
the price of higher memory consumption. This option is available on
config CPU_HAS_PREFETCH
bool
+config CPU_GENERIC_DUMP_TLB
+ bool
+ default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX)
+
+config CPU_R4K_FPU
+ bool
+ default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
+
+config CPU_R4K_CACHE_TLB
+ bool
+ default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
+
choice
prompt "MIPS MT options"
select SYS_SUPPORTS_SCHED_SMT if SMP
select SYS_SUPPORTS_SMP
select SMP_UP
+ select MIPS_PERF_SHARED_TC_COUNTERS
help
This is a kernel model which is known a VSMP but lately has been
marketesed into SMVP.
config SYS_SUPPORTS_SCHED_SMT
bool
-
config SYS_SUPPORTS_MULTITHREADING
bool
depends on MIPS_VPE_LOADER
help
-config MIPS_APSP_KSPD
- bool "Enable KSPD"
- depends on MIPS_VPE_APSP_API
- default y
- help
- KSPD is a kernel daemon that accepts syscall requests from the SP
- side, actions them and returns the results. It also handles the
- "exit" syscall notifying other kernel modules the SP program is
- exiting. You probably want to say yes here.
-
config MIPS_CMP
bool "MIPS CMP framework support"
depends on SYS_SUPPORTS_MIPS_CMP
depends on CPU_SB1 && CPU_SB1_PASS_2
default y
+
config 64BIT_PHYS_ADDR
bool
config HW_PERF_EVENTS
bool "Enable hardware performance counter support for perf events"
- depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON)
+ depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP)
default y
help
Enable hardware performance counter support for perf events. If
config SMP
bool "Multi-Processing support"
depends on SYS_SUPPORTS_SMP
- select IRQ_PER_CPU
select USE_GENERIC_SMP_HELPERS
help
This enables support for systems with more than one CPU. If you have
performance should round up your number of processors to the next
power of two.
+config MIPS_PERF_SHARED_TC_COUNTERS
+ bool
+
#
# Timer Interrupt Frequency Configuration
#
source "kernel/Kconfig.preempt"
config KEXEC
- bool "Kexec system call (EXPERIMENTAL)"
- depends on EXPERIMENTAL
+ bool "Kexec system call"
help
kexec is a system call that implements the ability to shutdown your
current kernel, and to start another kernel. It is like a reboot
support. As of this writing the exact hardware interface is
strongly in flux, so no good recommendation can be made.
+config CRASH_DUMP
+ bool "Kernel crash dumps"
+ help
+ Generate crash dump after being started by kexec.
+ This should be normally only set in special crash dump kernels
+ which are loaded in the main kernel with kexec-tools into
+ a specially reserved region and then later executed after
+ a crash by kdump/kexec. The crash dump kernel must be compiled
+ to a memory address not used by the main kernel or firmware using
+ PHYSICAL_START.
+
+config PHYSICAL_START
+ hex "Physical address where the kernel is loaded"
+ default "0xffffffff84000000" if 64BIT
+ default "0x84000000" if 32BIT
+ depends on CRASH_DUMP
+ help
+ This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
+ If you plan to use kernel for capturing the crash dump change
+ this value to start of the reserved region (the "X" value as
+ specified in the "crashkernel=YM@XM" command line boot parameter
+ passed to the panic-ed kernel).
+
config SECCOMP
bool "Enable seccomp to safely compute untrusted bytecode"
depends on PROC_FS
If unsure, say Y. Only embedded should say N here.
config USE_OF
- bool "Flattened Device Tree support"
+ bool
select OF
select OF_EARLY_FLATTREE
select IRQ_DOMAIN
- help
- Include support for flattened device tree machine descriptions.
endmenu
source "drivers/Kconfig"
+source "drivers/firmware/Kconfig"
+
source "fs/Kconfig"
source "arch/mips/Kconfig.debug"
source "crypto/Kconfig"
source "lib/Kconfig"
+
+source "arch/mips/kvm/Kconfig"