Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 9c20a9dd authored by Dietmar Eggemann's avatar Dietmar Eggemann Committed by Chris Redpath
Browse files

ANDROID: drivers base/arch_topology: allow inlining cpu-invariant accounting support 



Allow inlining of topology_get_cpu_scale() into the task
scheduler fast path (e.g. __update_load_avg_se()) by coding it as a
static inline function in the arch topology header file.

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Juri Lelli <juri.lelli@arm.com>
Signed-off-by: default avatarDietmar Eggemann <dietmar.eggemann@arm.com>
Change-Id: I878f33922905fb778ad0b3ee86126e62b5a7d834
Signed-off-by: default avatarChris Redpath <chris.redpath@arm.com>
parent d283e80e

drivers/base/arch_topology.c

+1 −6
Original line number Diff line number Diff line
@@ -37,12 +37,7 @@ void arch_set_freq_scale(struct cpumask *cpus, unsigned long cur_freq, 
}



static DEFINE_MUTEX(cpu_scale_mutex);

static DEFINE_PER_CPU(unsigned long, cpu_scale) = SCHED_CAPACITY_SCALE;



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

{

	return per_cpu(cpu_scale, cpu);

}

DEFINE_PER_CPU(unsigned long, cpu_scale) = SCHED_CAPACITY_SCALE;



void topology_set_cpu_scale(unsigned int cpu, unsigned long capacity)

{

include/linux/arch_topology.h

+7 −1
Original line number Diff line number Diff line
@@ -13,8 +13,14 @@ void topology_normalize_cpu_scale(void); 
struct device_node;

bool topology_parse_cpu_capacity(struct device_node *cpu_node, int cpu);



DECLARE_PER_CPU(unsigned long, cpu_scale);



struct sched_domain;

unsigned long topology_get_cpu_scale(struct sched_domain *sd, int cpu);

static inline

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

{

	return per_cpu(cpu_scale, cpu);

}



void topology_set_cpu_scale(unsigned int cpu, unsigned long capacity);