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authorMark Brown <broonie@linaro.org>2013-12-13 10:52:45 +0000
committerMark Brown <broonie@linaro.org>2013-12-13 10:52:57 +0000
commitd474d10a1a827e0b3402943a62a97d95c0eabf8d (patch)
treec937476475e972fbb838be37ab8dd2badfd6ec6d
parente101473817ddc5e10919e4e22c3b421a350ad742 (diff)
downloadlinux-linaro-stable-d474d10a1a827e0b3402943a62a97d95c0eabf8d.tar.gz
arm64: Add scheduler multicore and SMT Kconfig options
Enable additional use of additional scheduler features with the topology information. Reported-by: Hanjun Guo <hanjun.guo@linaro.org> Signed-off-by: Mark Brown <broonie@linaro.org>
-rw-r--r--arch/arm64/Kconfig16
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 43c9336eb679..2dc43c58923d 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -152,6 +152,22 @@ config ARM_CPU_TOPOLOGY
Support CPU topology definition, based on configuration
provided by the firmware.
+config SCHED_MC
+ bool "Multi-core scheduler support"
+ depends on ARM_CPU_TOPOLOGY
+ 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. If unsure say N here.
+
+config SCHED_SMT
+ bool "SMT scheduler support"
+ depends on ARM_CPU_TOPOLOGY
+ help
+ Improves the CPU scheduler's decision making when dealing with
+ MultiThreading at a cost of slightly increased overhead in some
+ places. If unsure say N here.
+
config NR_CPUS
int "Maximum number of CPUs (2-32)"
range 2 32