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-rw-r--r--arch/ia64/Kconfig19
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 468dbe8a6b9..ce13ad689d1 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -217,6 +217,16 @@ config IA64_SGI_SN_SIM
If you are compiling a kernel that will run under SGI's IA-64
simulator (Medusa) then say Y, otherwise say N.
+config IA64_SGI_SN_XP
+ tristate "Support communication between SGI SSIs"
+ depends on MSPEC
+ help
+ An SGI machine can be divided into multiple Single System
+ Images which act independently of each other and have
+ hardware based memory protection from the others. Enabling
+ this feature will allow for direct communication between SSIs
+ based on a network adapter and DMA messaging.
+
config FORCE_MAX_ZONEORDER
int
default "18"
@@ -261,6 +271,15 @@ config HOTPLUG_CPU
can be controlled through /sys/devices/system/cpu/cpu#.
Say N if you want to disable CPU hotplug.
+config SCHED_SMT
+ bool "SMT scheduler support"
+ depends on SMP
+ default off
+ help
+ Improves the CPU scheduler's decision making when dealing with
+ Intel IA64 chips with MultiThreading at a cost of slightly increased
+ overhead in some places. If unsure say N here.
+
config PREEMPT
bool "Preemptible Kernel"
help