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Commit d78e13a8 authored by Juri Lelli's avatar Juri Lelli Committed by Russell King
Browse files

ARM: 8497/1: initialize cpu_scale to its default 



Instead of looping through all cpus calling set_capacity_scale, we can
initialise cpu_scale per-cpu variables to SCHED_CAPACITY_SCALE with their
definition.

Acked-by: default avatarVincent Guittot <vincent.guittot@linaro.org>
Signed-off-by: default avatarJuri Lelli <juri.lelli@arm.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent f19768ce

arch/arm/kernel/topology.c

+1 −3
Original line number Diff line number Diff line
@@ -40,7 +40,7 @@ 
 * to run the rebalance_domains for all idle cores and the cpu_capacity can be

 * updated during this sequence.

 */

static DEFINE_PER_CPU(unsigned long, cpu_scale);

static DEFINE_PER_CPU(unsigned long, cpu_scale) = SCHED_CAPACITY_SCALE;



unsigned long arch_scale_cpu_capacity(struct sched_domain *sd, int cpu)

{
@@ -306,8 +306,6 @@ void __init init_cpu_topology(void) 
		cpu_topo->socket_id = -1;

		cpumask_clear(&cpu_topo->core_sibling);

		cpumask_clear(&cpu_topo->thread_sibling);



		set_capacity_scale(cpu, SCHED_CAPACITY_SCALE);

	}

	smp_wmb();