bool
default y
+config STACKTRACE_SUPPORT
+ bool
+ default y
+
+config TRACE_IRQFLAGS_SUPPORT
+ bool
+ depends on PPC64
+ default y
+
+config LOCKDEP_SUPPORT
+ bool
+ default y
+
config RWSEM_GENERIC_SPINLOCK
bool
bool
default y
+config GENERIC_GPIO
+ bool
+ help
+ Generic GPIO API support
+
config ARCH_NO_VIRT_TO_BUS
def_bool PPC64
config PPC
bool
default y
- select HAVE_OPROFILE
+ select HAVE_DYNAMIC_FTRACE
+ select HAVE_FTRACE
+ select HAVE_IDE
select HAVE_KPROBES
+ select HAVE_KRETPROBES
+ select HAVE_LMB
+ select USE_GENERIC_SMP_HELPERS if SMP
+ select HAVE_OPROFILE
config EARLY_PRINTK
bool
config COMPAT
bool
default y if PPC64
+ select COMPAT_BINFMT_ELF
config SYSVIPC_COMPAT
bool
source kernel/Kconfig.preempt
source "fs/Kconfig.binfmt"
-# We optimistically allocate largepages from the VM, so make the limit
-# large enough (16MB). This badly named config option is actually
-# max order + 1
-config FORCE_MAX_ZONEORDER
- int
- depends on PPC64
- default "9" if PPC_64K_PAGES
- default "13"
-
config HUGETLB_PAGE_SIZE_VARIABLE
bool
depends on HUGETLB_PAGE
config ARCH_ENABLE_MEMORY_HOTPLUG
def_bool y
+config ARCH_HAS_WALK_MEMORY
+ def_bool y
+
+config ARCH_ENABLE_MEMORY_HOTREMOVE
+ def_bool y
+
config KEXEC
bool "kexec system call (EXPERIMENTAL)"
depends on (PPC_PRPMC2800 || PPC_MULTIPLATFORM) && EXPERIMENTAL
Don't change this unless you know what you are doing.
+config PHYP_DUMP
+ bool "Hypervisor-assisted dump (EXPERIMENTAL)"
+ depends on PPC_PSERIES && EXPERIMENTAL
+ help
+ Hypervisor-assisted dump is meant to be a kdump replacement
+ offering robustness and speed not possible without system
+ hypervisor assistence.
+
+ If unsure, say "N"
+
config PPCBUG_NVRAM
bool "Enable reading PPCBUG NVRAM during boot" if PPLUS || LOPEC
default y if PPC_PREP
while on hardware with such support, it will be used to map
normal application pages.
+config FORCE_MAX_ZONEORDER
+ int "Maximum zone order"
+ default "9" if PPC_64K_PAGES
+ default "13" if PPC64 && !PPC_64K_PAGES
+ default "11"
+ help
+ The kernel memory allocator divides physically contiguous memory
+ blocks into "zones", where each zone is a power of two number of
+ pages. This option selects the largest power of two that the kernel
+ keeps in the memory allocator. If you need to allocate very large
+ blocks of physically contiguous memory, then you may need to
+ increase this value.
+
+ This config option is actually maximum order plus one. For example,
+ a value of 11 means that the largest free memory block is 2^10 pages.
+
+ The page size is not necessarily 4KB. For example, on 64-bit
+ systems, 64KB pages can be enabled via CONFIG_PPC_64K_PAGES. Keep
+ this in mind when choosing a value for this option.
+
config PPC_SUBPAGE_PROT
bool "Support setting protections for 4k subpages"
depends on PPC_64K_PAGES
If unsure, say Y. Only embedded should say N here.
-config WANT_DEVICE_TREE
- bool
- default n
-
endmenu
config ISA_DMA_API
bool
select PPC_INDIRECT_PCI
+config 4xx_SOC
+ bool
+
+config FSL_LBC
+ bool
+ help
+ Freescale Localbus support
+
# Yes MCA RS/6000s exist but Linux-PPC does not currently support any
config MCA
bool
source "drivers/pci/hotplug/Kconfig"
+config HAS_RAPIDIO
+ bool
+ default n
+
+config RAPIDIO
+ bool "RapidIO support"
+ depends on HAS_RAPIDIO
+ help
+ If you say Y here, the kernel will include drivers and
+ infrastructure code to support RapidIO interconnect devices.
+
+source "drivers/rapidio/Kconfig"
+
endmenu
menu "Advanced setup"
comment "Default settings for advanced configuration options are used"
depends on !ADVANCED_OPTIONS
-config HIGHMEM_START_BOOL
- bool "Set high memory pool address"
- depends on ADVANCED_OPTIONS && HIGHMEM
- help
- This option allows you to set the base address of the kernel virtual
- area used to map high memory pages. This can be useful in
- optimizing the layout of kernel virtual memory.
-
- Say N here unless you know what you are doing.
-
-config HIGHMEM_START
- hex "Virtual start address of high memory pool" if HIGHMEM_START_BOOL
- default "0xfe000000"
-
config LOWMEM_SIZE_BOOL
bool "Set maximum low memory"
depends on ADVANCED_OPTIONS
hex "Maximum low memory size (in bytes)" if LOWMEM_SIZE_BOOL
default "0x30000000"
+config RELOCATABLE
+ bool "Build a relocatable kernel (EXPERIMENTAL)"
+ depends on EXPERIMENTAL && ADVANCED_OPTIONS && FLATMEM && FSL_BOOKE
+ help
+ This builds a kernel image that is capable of running at the
+ location the kernel is loaded at (some alignment restrictions may
+ exist).
+
+ One use is for the kexec on panic case where the recovery kernel
+ must live at a different physical address than the primary
+ kernel.
+
+ Note: If CONFIG_RELOCATABLE=y, then the kernel runs from the address
+ it has been loaded at and the compile time physical addresses
+ CONFIG_PHYSICAL_START is ignored. However CONFIG_PHYSICAL_START
+ setting can still be useful to bootwrappers that need to know the
+ load location of the kernel (eg. u-boot/mkimage).
+
+config PAGE_OFFSET_BOOL
+ bool "Set custom page offset address"
+ depends on ADVANCED_OPTIONS
+ help
+ This option allows you to set the kernel virtual address at which
+ the kernel will map low memory. This can be useful in optimizing
+ the virtual memory layout of the system.
+
+ Say N here unless you know what you are doing.
+
+config PAGE_OFFSET
+ hex "Virtual address of memory base" if PAGE_OFFSET_BOOL
+ default "0xc0000000"
+
config KERNEL_START_BOOL
bool "Set custom kernel base address"
depends on ADVANCED_OPTIONS
help
This option allows you to set the kernel virtual address at which
- the kernel will map low memory (the kernel image will be linked at
- this address). This can be useful in optimizing the virtual memory
- layout of the system.
+ the kernel will be loaded. Normally this should match PAGE_OFFSET
+ however there are times (like kdump) that one might not want them
+ to be the same.
Say N here unless you know what you are doing.
config KERNEL_START
hex "Virtual address of kernel base" if KERNEL_START_BOOL
+ default PAGE_OFFSET if PAGE_OFFSET_BOOL
+ default "0xc2000000" if CRASH_DUMP
default "0xc0000000"
+config PHYSICAL_START_BOOL
+ bool "Set physical address where the kernel is loaded"
+ depends on ADVANCED_OPTIONS && FLATMEM && FSL_BOOKE
+ help
+ This gives the physical address where the kernel is loaded.
+
+ Say N here unless you know what you are doing.
+
+config PHYSICAL_START
+ hex "Physical address where the kernel is loaded" if PHYSICAL_START_BOOL
+ default "0x02000000" if PPC_STD_MMU && CRASH_DUMP
+ default "0x00000000"
+
+config PHYSICAL_ALIGN
+ hex
+ default "0x10000000" if FSL_BOOKE
+ help
+ This value puts the alignment restrictions on physical address
+ where kernel is loaded and run from. Kernel is compiled for an
+ address which meets above alignment restriction.
+
config TASK_SIZE_BOOL
bool "Set custom user task size"
depends on ADVANCED_OPTIONS
hex "Size of consistent memory pool" if CONSISTENT_SIZE_BOOL
default "0x00200000" if NOT_COHERENT_CACHE
-config BOOT_LOAD_BOOL
- bool "Set the boot link/load address"
- depends on ADVANCED_OPTIONS && !PPC_MULTIPLATFORM
- help
- This option allows you to set the initial load address of the zImage
- or zImage.initrd file. This can be useful if you are on a board
- which has a small amount of memory.
-
- Say N here unless you know what you are doing.
-
-config BOOT_LOAD
- hex "Link/load address for booting" if BOOT_LOAD_BOOL
- default "0x00400000" if 40x || 8xx || 8260
- default "0x01000000" if 44x
- default "0x00800000"
-
config PIN_TLB
bool "Pinned Kernel TLBs (860 ONLY)"
depends on ADVANCED_OPTIONS && 8xx
endmenu
if PPC64
+config PAGE_OFFSET
+ hex
+ default "0xc000000000000000"
config KERNEL_START
hex
+ default "0xc000000002000000" if CRASH_DUMP
default "0xc000000000000000"
+config PHYSICAL_START
+ hex
+ default "0x02000000" if CRASH_DUMP
+ default "0x00000000"
endif
source "net/Kconfig"
config PPC_LIB_RHEAP
bool
+source "arch/powerpc/kvm/Kconfig"
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff