bool
default y
+config GENERIC_CALIBRATE_DELAY
+ bool
+ default y
+
config TIME_INTERPOLATION
bool
default y
bool
default y
+config GENERIC_IOMAP
+ bool
+ default y
+
choice
prompt "System type"
default IA64_GENERIC
will run on any supported IA-64 system. However, if you configure
a kernel for your specific system, it will be faster and smaller.
- generic For any supported IA-64 system
- DIG-compliant For DIG ("Developer's Interface Guide") compliant systems
- HP-zx1/sx1000 For HP systems
- SGI-SN2 For SGI Altix systems
- Ski-simulator For the HP simulator <http://www.hpl.hp.com/research/linux/ski/>
+ generic For any supported IA-64 system
+ DIG-compliant For DIG ("Developer's Interface Guide") compliant systems
+ HP-zx1/sx1000 For HP systems
+ HP-zx1/sx1000+swiotlb For HP systems with (broken) DMA-constrained devices.
+ SGI-SN2 For SGI Altix systems
+ Ski-simulator For the HP simulator <http://www.hpl.hp.com/research/linux/ski/>
If you don't know what to do, choose "generic".
Build a kernel that runs on HP zx1 and sx1000 systems. This adds
support for the HP I/O MMU.
+config IA64_HP_ZX1_SWIOTLB
+ bool "HP-zx1/sx1000 with software I/O TLB"
+ help
+ Build a kernel that runs on HP zx1 and sx1000 systems even when they
+ have broken PCI devices which cannot DMA to full 32 bits. Apart
+ from support for the HP I/O MMU, this includes support for the software
+ I/O TLB, which allows supporting the broken devices at the expense of
+ wasting some kernel memory (about 2MB by default).
+
config IA64_SGI_SN2
bool "SGI-SN2"
+ help
+ Selecting this option will optimize the kernel for use on sn2 based
+ systems, but the resulting kernel binary will not run on other
+ types of ia64 systems. If you have an SGI Altix system, it's safe
+ to select this option. If in doubt, select ia64 generic support
+ instead.
config IA64_HP_SIM
bool "Ski-simulator"
depends on ITANIUM
default y
-config ITANIUM_BSTEP_SPECIFIC
- bool "Itanium B-step specific code"
- depends on ITANIUM
- help
- Select this option to build a kernel for an Itanium prototype system
- with a B-step CPU. You have a B-step CPU if the "revision" field in
- /proc/cpuinfo has a value in the range from 1 to 4.
-
# align cache-sensitive data to 128 bytes
config IA64_L1_CACHE_SHIFT
int
require the DISCONTIGMEM option for your machine. If you are
unsure, say Y.
+config HOLES_IN_ZONE
+ bool
+ default y if VIRTUAL_MEM_MAP
+
config DISCONTIGMEM
bool "Discontiguous memory support"
- depends on (IA64_DIG || IA64_SGI_SN2 || IA64_GENERIC || IA64_HP_ZX1) && NUMA && VIRTUAL_MEM_MAP
+ depends on (IA64_DIG || IA64_SGI_SN2 || IA64_GENERIC || IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB) && NUMA && VIRTUAL_MEM_MAP
default y if (IA64_SGI_SN2 || IA64_GENERIC) && NUMA
help
Say Y to support efficient handling of discontiguous physical memory,
performance hit.
config HOTPLUG_CPU
- bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
- depends on SMP && HOTPLUG && EXPERIMENTAL
+ bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
+ depends on SMP && EXPERIMENTAL
+ select HOTPLUG
default n
- ---help---
- Say Y here to experiment with turning CPUs off and on. CPUs
- can be controlled through /sys/devices/system/cpu/cpu#.
- Say N if you want to disable CPU hotplug.
+ ---help---
+ Say Y here to experiment with turning CPUs off and on. CPUs
+ can be controlled through /sys/devices/system/cpu/cpu#.
+ Say N if you want to disable CPU hotplug.
config PREEMPT
bool "Preemptible Kernel"
depends on IA32_SUPPORT
default y
+config IA64_MCA_RECOVERY
+ tristate "MCA recovery from errors other than TLB."
+
config PERFMON
bool "Performance monitor support"
help
To use this option, you have to ensure that the "/proc file system
support" (CONFIG_PROC_FS) is enabled, too.
+config ACPI_DEALLOCATE_IRQ
+ bool
+ depends on IOSAPIC && EXPERIMENTAL
+ default y
+
source "drivers/firmware/Kconfig"
source "fs/Kconfig.binfmt"
config PM
bool "Power Management support"
- depends on IA64_GENERIC || IA64_DIG || IA64_HP_ZX1
+ depends on IA64_GENERIC || IA64_DIG || IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB
default y
help
"Power Management" means that parts of your computer are shut
source "lib/Kconfig"
-source "arch/ia64/hp/sim/Kconfig"
-
-source "arch/ia64/oprofile/Kconfig"
-
-menu "Kernel hacking"
-
-choice
- prompt "Physical memory granularity"
- default IA64_GRANULE_64MB
-
-config IA64_GRANULE_16MB
- bool "16MB"
- help
- IA-64 identity-mapped regions use a large page size called "granules".
-
- Select "16MB" for a small granule size.
- Select "64MB" for a large granule size. This is the current default.
-
-config IA64_GRANULE_64MB
- bool "64MB"
- depends on !(IA64_GENERIC || IA64_HP_ZX1 || IA64_SGI_SN2)
-
-endchoice
-
-config DEBUG_KERNEL
- bool "Kernel debugging"
- help
- Say Y here if you are developing drivers or trying to debug and
- identify kernel problems.
+#
+# Use the generic interrupt handling code in kernel/irq/:
+#
+config GENERIC_HARDIRQS
+ bool
+ default y
-config IA64_PRINT_HAZARDS
- bool "Print possible IA-64 dependency violations to console"
- depends on DEBUG_KERNEL
- help
- Selecting this option prints more information for Illegal Dependency
- Faults, that is, for Read-after-Write (RAW), Write-after-Write (WAW),
- or Write-after-Read (WAR) violations. This option is ignored if you
- are compiling for an Itanium A step processor
- (CONFIG_ITANIUM_ASTEP_SPECIFIC). If you're unsure, select Y.
-
-config DISABLE_VHPT
- bool "Disable VHPT"
- depends on DEBUG_KERNEL
- help
- The Virtual Hash Page Table (VHPT) enhances virtual address
- translation performance. Normally you want the VHPT active but you
- can select this option to disable the VHPT for debugging. If you're
- unsure, answer N.
-
-config MAGIC_SYSRQ
- bool "Magic SysRq key"
- depends on DEBUG_KERNEL
- help
- If you say Y here, you will have some control over the system even
- if the system crashes for example during kernel debugging (e.g., you
- will be able to flush the buffer cache to disk, reboot the system
- immediately or dump some status information). This is accomplished
- by pressing various keys while holding SysRq (Alt+PrintScreen). It
- also works on a serial console (on PC hardware at least), if you
- send a BREAK and then within 5 seconds a command keypress. The
- keys are documented in <file:Documentation/sysrq.txt>. Don't say Y
- unless you really know what this hack does.
-
-config DEBUG_SLAB
- bool "Debug memory allocations"
- depends on DEBUG_KERNEL
- help
- Say Y here to have the kernel do limited verification on memory
- allocation as well as poisoning memory on free to catch use of freed
- memory.
+config GENERIC_IRQ_PROBE
+ bool
+ default y
-config DEBUG_SPINLOCK
- bool "Spinlock debugging"
- depends on DEBUG_KERNEL
- help
- Say Y here and build SMP to catch missing spinlock initialization
- and certain other kinds of spinlock errors commonly made. This is
- best used in conjunction with the NMI watchdog so that spinlock
- deadlocks are also debuggable.
-
-config DEBUG_SPINLOCK_SLEEP
- bool "Sleep-inside-spinlock checking"
- help
- If you say Y here, various routines which may sleep will become very
- noisy if they are called with a spinlock held.
-
-config IA64_DEBUG_CMPXCHG
- bool "Turn on compare-and-exchange bug checking (slow!)"
- depends on DEBUG_KERNEL
- help
- Selecting this option turns on bug checking for the IA-64
- compare-and-exchange instructions. This is slow! Itaniums
- from step B3 or later don't have this problem. If you're unsure,
- select N.
-
-config IA64_DEBUG_IRQ
- bool "Turn on irq debug checks (slow!)"
- depends on DEBUG_KERNEL
- help
- Selecting this option turns on bug checking for the IA-64 irq_save
- and restore instructions. It's useful for tracking down spinlock
- problems, but slow! If you're unsure, select N.
+source "arch/ia64/hp/sim/Kconfig"
-config DEBUG_INFO
- bool "Compile the kernel with debug info"
- depends on DEBUG_KERNEL
- help
- If you say Y here the resulting kernel image will include
- debugging info resulting in a larger kernel image.
- Say Y here only if you plan to use gdb to debug the kernel.
- If you don't debug the kernel, you can say N.
+source "arch/ia64/oprofile/Kconfig"
-config SYSVIPC_COMPAT
- bool
- depends on COMPAT && SYSVIPC
- default y
-endmenu
+source "arch/ia64/Kconfig.debug"
source "kernel/vserver/Kconfig"
git://git.onelab.eu / linux-2.6.git / blobdiff