mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2025-01-07 13:43:51 +00:00
8216f588b5
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. Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
35 lines
801 B
C
35 lines
801 B
C
/*
|
|
* include/linux/arch_topology.h - arch specific cpu topology information
|
|
*/
|
|
#ifndef _LINUX_ARCH_TOPOLOGY_H_
|
|
#define _LINUX_ARCH_TOPOLOGY_H_
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/percpu.h>
|
|
|
|
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;
|
|
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);
|
|
|
|
DECLARE_PER_CPU(unsigned long, freq_scale);
|
|
|
|
static inline
|
|
unsigned long topology_get_freq_scale(struct sched_domain *sd, int cpu)
|
|
{
|
|
return per_cpu(freq_scale, cpu);
|
|
}
|
|
|
|
#endif /* _LINUX_ARCH_TOPOLOGY_H_ */
|