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authorMark Brown <broonie@linaro.org>2013-12-13 12:31:39 +0000
committerMark Brown <broonie@linaro.org>2013-12-13 12:31:39 +0000
commit492df0b1349d54c0b5b26f254d4c1e73a44ab728 (patch)
tree1fc150dcc43812b0e0026e14c4ca41927d75286e /arch
parent78157f5f8cde58d3c552ad6f0ad65118a92e3529 (diff)
parent32af9f3d6cc820c0c0a734666d1e0c73ce063833 (diff)
Merge branch 'linux-linaro-lsk' into linux-linaro-lsk-android
Diffstat (limited to 'arch')
-rw-r--r--arch/arm64/Kconfig16
-rw-r--r--arch/arm64/kernel/setup.c5
2 files changed, 21 insertions, 0 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index a275ec3f743..b0cfc46ae97 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
diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
index 3dc5c2f7c6b..85afdae9cc0 100644
--- a/arch/arm64/kernel/setup.c
+++ b/arch/arm64/kernel/setup.c
@@ -98,6 +98,11 @@ void __init early_print(const char *str, ...)
printk("%s", buf);
}
+bool arch_match_cpu_phys_id(int cpu, u64 phys_id)
+{
+ return phys_id == cpu_logical_map(cpu);
+}
+
static void __init setup_processor(void)
{
struct cpu_info *cpu_info;