s390: add SMT support

[firefly-linux-kernel-4.4.55.git] / arch / s390 / Kconfig

diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 06c6d9ab5a8da73c8ed08fbcf35843a743177299..7eba5b5723e98614745f43c1258c7f76033eb5fd 100644 (file)
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -396,17 +396,26 @@ config HOTPLUG_CPU
          can be controlled through /sys/devices/system/cpu/cpu#.
          Say N if you want to disable CPU hotplug.
 
+config SCHED_SMT
+       def_bool n
+
 config SCHED_MC
        def_bool n
 
 config SCHED_BOOK
+       def_bool n
+
+config SCHED_TOPOLOGY
        def_bool y
-       prompt "Book scheduler support"
+       prompt "Topology scheduler support"
        depends on SMP
+       select SCHED_SMT
        select SCHED_MC
+       select SCHED_BOOK
        help
-         Book scheduler support improves the CPU scheduler's decision making
-         when dealing with machines that have several books.
+         Topology scheduler support improves the CPU scheduler's decision
+         making when dealing with machines that have multi-threading,
+         multiple cores or multiple books.
 
 source kernel/Kconfig.preempt