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From abdcda318be2337a46f118ffda2d377c95c12408 Mon Sep 17 00:00:00 2001
From: Juri Lelli <juri.lelli@arm.com>
Date: Fri, 20 Nov 2015 11:47:48 +0000
Subject: [PATCH 38/92] arm64: Wire cpu-invariant load-tracking support up to
the scheduler
Define arch_scale_cpu_capacity to use the arch-specific function
scale_cpu_capacity().
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Juri Lelli <juri.lelli@arm.com>
Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
(cherry picked from commit 94ad9dbcfe547eeed8115fab9f114be0d0487bd8)
Signed-off-by: Gaku Inami <gaku.inami.xw@bp.renesas.com>
---
arch/arm64/include/asm/topology.h | 4 ++++
arch/arm64/kernel/topology.c | 2 +-
2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/include/asm/topology.h b/arch/arm64/include/asm/topology.h
index 8b57339..5d576eb 100644
--- a/arch/arm64/include/asm/topology.h
+++ b/arch/arm64/include/asm/topology.h
@@ -32,6 +32,10 @@ struct cpu_topology {
#endif /* CONFIG_NUMA */
+struct sched_domain;
+#define arch_scale_cpu_capacity scale_cpu_capacity
+extern unsigned long scale_cpu_capacity(struct sched_domain *sd, int cpu);
+
#include <asm-generic/topology.h>
#endif /* _ASM_ARM_TOPOLOGY_H */
diff --git a/arch/arm64/kernel/topology.c b/arch/arm64/kernel/topology.c
index cff34cc..91de9dd 100644
--- a/arch/arm64/kernel/topology.c
+++ b/arch/arm64/kernel/topology.c
@@ -28,7 +28,7 @@
static DEFINE_PER_CPU(unsigned long, cpu_scale) = SCHED_CAPACITY_SCALE;
static DEFINE_MUTEX(cpu_scale_mutex);
-unsigned long arch_scale_cpu_capacity(struct sched_domain *sd, int cpu)
+unsigned long scale_cpu_capacity(struct sched_domain *sd, int cpu)
{
return per_cpu(cpu_scale, cpu);
}
--
1.9.1
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