From 36a0df85d2e85e1929e8cd607e19243e5a2754e7 Mon Sep 17 00:00:00 2001 From: Thara Gopinath Date: Fri, 21 Feb 2020 19:52:06 -0500 Subject: [PATCH] sched/topology: Add callback to read per CPU thermal pressure Introduce the arch_scale_thermal_pressure() callback to retrieve per CPU thermal pressure. Signed-off-by: Thara Gopinath Signed-off-by: Peter Zijlstra (Intel) Signed-off-by: Ingo Molnar Link: https://lkml.kernel.org/r/20200222005213.3873-3-thara.gopinath@linaro.org --- include/linux/sched/topology.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/include/linux/sched/topology.h b/include/linux/sched/topology.h index f341163fedc9..af9319e4cfb9 100644 --- a/include/linux/sched/topology.h +++ b/include/linux/sched/topology.h @@ -225,6 +225,14 @@ unsigned long arch_scale_cpu_capacity(int cpu) } #endif +#ifndef arch_scale_thermal_pressure +static __always_inline +unsigned long arch_scale_thermal_pressure(int cpu) +{ + return 0; +} +#endif + static inline int task_node(const struct task_struct *p) { return cpu_to_node(task_cpu(p));