default "6" if ITANIUM
# align cache-sensitive data to 64 bytes
-config MCKINLEY_ASTEP_SPECIFIC
- bool "McKinley A-step specific code"
- depends on MCKINLEY
- help
- Select this option to build a kernel for an IA-64 McKinley prototype
- system with any A-stepping CPU.
-
-config MCKINLEY_A0_SPECIFIC
- bool "McKinley A0/A1-step specific code"
- depends on MCKINLEY_ASTEP_SPECIFIC
- help
- Select this option to build a kernel for an IA-64 McKinley prototype
- system with an A0 or A1 stepping CPU.
-
config NUMA
bool "NUMA support"
depends on !IA64_HP_SIM
config DISCONTIGMEM
bool "Discontiguous memory support"
- depends on (IA64_DIG || IA64_SGI_SN2 || IA64_GENERIC) && NUMA && VIRTUAL_MEM_MAP
+ depends on (IA64_DIG || IA64_SGI_SN2 || IA64_GENERIC || IA64_HP_ZX1) && NUMA && VIRTUAL_MEM_MAP
default y if (IA64_SGI_SN2 || IA64_GENERIC) && NUMA
help
Say Y to support efficient handling of discontiguous physical memory,
See <file:Documentation/vm/numa> for more.
config IA64_CYCLONE
- bool "Support Cyclone(EXA) Time Source"
+ bool "Cyclone (EXA) Time Source support"
help
- Say Y here to enable support for IBM EXA Cyclone time source.
- If you're unsure, answer N.
+ Say Y here to enable support for IBM EXA Cyclone time source.
+ If you're unsure, answer N.
config IOSAPIC
bool
than 64 will cause the use of a CPU mask array, causing a small
performance hit.
+config HOTPLUG_CPU
+ bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
+ depends on SMP && HOTPLUG && EXPERIMENTAL
+ 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.
+
config PREEMPT
bool "Preemptible Kernel"
help
config IA64_GRANULE_64MB
bool "64MB"
- depends on !(IA64_GENERIC || IA64_HP_ZX1)
+ depends on !(IA64_GENERIC || IA64_HP_ZX1 || IA64_SGI_SN2)
endchoice