summaryrefslogtreecommitdiff
path: root/arch/s390/Kconfig
diff options
context:
space:
mode:
Diffstat (limited to 'arch/s390/Kconfig')
-rw-r--r--arch/s390/Kconfig11
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 97146ab157e..45a9bed4a3f 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -196,9 +196,18 @@ config HOTPLUG_CPU
can be controlled through /sys/devices/system/cpu/cpu#.
Say N if you want to disable CPU hotplug.
+config SCHED_MC
+ def_bool y
+ prompt "Multi-core scheduler support"
+ depends on SMP
+ help
+ Multi-core scheduler support improves the CPU scheduler's decision
+ making when dealing with multi-core CPU chips at a cost of slightly
+ increased overhead in some places.
+
config SCHED_BOOK
bool "Book scheduler support"
- depends on SMP
+ depends on SMP && SCHED_MC
help
Book scheduler support improves the CPU scheduler's decision making
when dealing with machines that have several books.