7673c8a4c7
The 'sd' parameter is never used in arch_scale_freq_capacity() (and it's hard to see where information coming from scheduling domains might help doing frequency invariance scaling). Remove it; also in anticipation of moving arch_scale_freq_capacity() outside CONFIG_SMP. Signed-off-by: Juri Lelli <juri.lelli@arm.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: alessio.balsini@arm.com Cc: bristot@redhat.com Cc: claudio@evidence.eu.com Cc: dietmar.eggemann@arm.com Cc: joelaf@google.com Cc: juri.lelli@redhat.com Cc: luca.abeni@santannapisa.it Cc: mathieu.poirier@linaro.org Cc: morten.rasmussen@arm.com Cc: patrick.bellasi@arm.com Cc: rjw@rjwysocki.net Cc: rostedt@goodmis.org Cc: tkjos@android.com Cc: tommaso.cucinotta@santannapisa.it Cc: vincent.guittot@linaro.org Cc: viresh.kumar@linaro.org Link: http://lkml.kernel.org/r/20171204102325.5110-7-juri.lelli@redhat.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
35 lines
815 B
C
35 lines
815 B
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* 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(int cpu)
|
|
{
|
|
return per_cpu(freq_scale, cpu);
|
|
}
|
|
|
|
#endif /* _LINUX_ARCH_TOPOLOGY_H_ */
|