The ARM platforms take advantage of packing small tasks on few cores.
This is true even when the cores of a cluster can't be powergated
independantly.
Signed-off-by: Vincent Guittot <vincent.guit...@linaro.org>
---
arch/arm/kernel/topology.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/arm/kernel/topology.c b/arch/arm/kernel/topology.c
index 26c12c6..00511d0 100644
--- a/arch/arm/kernel/topology.c
+++ b/arch/arm/kernel/topology.c
@@ -226,6 +226,11 @@ static inline void update_cpu_power(unsigned int cpuid,
unsigned int mpidr) {}
*/
struct cputopo_arm cpu_topology[NR_CPUS];
+int arch_sd_share_power_line(void)
+{
+ return 0*SD_SHARE_POWERLINE;
+}
+
const struct cpumask *cpu_coregroup_mask(int cpu)
{
return &cpu_topology[cpu].core_sibling;
--
1.7.9.5
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