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sched/topology: Remove unused 'sd' parameter from arch_scale_cpu_capacity()

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The 'struct sched_domain *sd' parameter to arch_scale_cpu_capacity() is
unused since commit:

  765d0af19f ("sched/topology: Remove the ::smt_gain field from 'struct sched_domain'")

Remove it.

Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Valentin Schneider <valentin.schneider@arm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: gregkh@linuxfoundation.org
Cc: linux@armlinux.org.uk
Cc: quentin.perret@arm.com
Cc: rafael@kernel.org
Link: https://lkml.kernel.org/r/1560783617-5827-1-git-send-email-vincent.guittot@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Vincent Guittot 2019-06-17 17:00:17 +02:00 committed by Ingo Molnar
parent d2abae71eb
commit 8ec59c0f5f
13 changed files with 22 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm/kernel/topology.c
View File

@ -169,7 +169,7 @@ static void update_cpu_capacity(unsigned int cpu)
topology_set_cpu_scale(cpu, cpu_capacity(cpu) / middle_capacity);
pr_info("CPU%u: update cpu_capacity %lu\n",
cpu, topology_get_cpu_scale(NULL, cpu));
cpu, topology_get_cpu_scale(cpu));
}
#else

6
drivers/base/arch_topology.c
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@ -43,7 +43,7 @@ static ssize_t cpu_capacity_show(struct device *dev,
{
struct cpu *cpu = container_of(dev, struct cpu, dev);
return sprintf(buf, "%lu\n", topology_get_cpu_scale(NULL, cpu->dev.id));
return sprintf(buf, "%lu\n", topology_get_cpu_scale(cpu->dev.id));
}
static void update_topology_flags_workfn(struct work_struct *work);
@ -116,7 +116,7 @@ void topology_normalize_cpu_scale(void)
/ capacity_scale;
topology_set_cpu_scale(cpu, capacity);
pr_debug("cpu_capacity: CPU%d cpu_capacity=%lu\n",
cpu, topology_get_cpu_scale(NULL, cpu));
cpu, topology_get_cpu_scale(cpu));
}
}
@ -185,7 +185,7 @@ init_cpu_capacity_callback(struct notifier_block *nb,
cpumask_andnot(cpus_to_visit, cpus_to_visit, policy->related_cpus);
for_each_cpu(cpu, policy->related_cpus) {
raw_capacity[cpu] = topology_get_cpu_scale(NULL, cpu) *
raw_capacity[cpu] = topology_get_cpu_scale(cpu) *
policy->cpuinfo.max_freq / 1000UL;
capacity_scale = max(raw_capacity[cpu], capacity_scale);
}

2
include/linux/arch_topology.h
View File

@ -18,7 +18,7 @@ DECLARE_PER_CPU(unsigned long, cpu_scale);
struct sched_domain;
static inline
unsigned long topology_get_cpu_scale(struct sched_domain *sd, int cpu)
unsigned long topology_get_cpu_scale(int cpu)
{
return per_cpu(cpu_scale, cpu);
}

2
include/linux/energy_model.h
View File

@ -89,7 +89,7 @@ static inline unsigned long em_pd_energy(struct em_perf_domain *pd,
* like schedutil.
*/
cpu = cpumask_first(to_cpumask(pd->cpus));
scale_cpu = arch_scale_cpu_capacity(NULL, cpu);
scale_cpu = arch_scale_cpu_capacity(cpu);
cs = &pd->table[pd->nr_cap_states - 1];
freq = map_util_freq(max_util, cs->frequency, scale_cpu);

14
include/linux/sched/topology.h
View File

@ -196,14 +196,6 @@ extern void set_sched_topology(struct sched_domain_topology_level *tl);
# define SD_INIT_NAME(type)
#endif
#ifndef arch_scale_cpu_capacity
static __always_inline
unsigned long arch_scale_cpu_capacity(struct sched_domain *sd, int cpu)
{
return SCHED_CAPACITY_SCALE;
}
#endif
#else /* CONFIG_SMP */
struct sched_domain_attr;
@ -219,16 +211,16 @@ static inline bool cpus_share_cache(int this_cpu, int that_cpu)
return true;
}
#endif /* !CONFIG_SMP */
#ifndef arch_scale_cpu_capacity
static __always_inline
unsigned long arch_scale_cpu_capacity(void __always_unused *sd, int cpu)
unsigned long arch_scale_cpu_capacity(int cpu)
{
return SCHED_CAPACITY_SCALE;
}
#endif
#endif /* !CONFIG_SMP */
static inline int task_node(const struct task_struct *p)
{
return cpu_to_node(task_cpu(p));

2
kernel/power/energy_model.c
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@ -223,7 +223,7 @@ int em_register_perf_domain(cpumask_t *span, unsigned int nr_states,
* All CPUs of a domain must have the same micro-architecture
* since they all share the same table.
*/
cap = arch_scale_cpu_capacity(NULL, cpu);
cap = arch_scale_cpu_capacity(cpu);
if (prev_cap && prev_cap != cap) {
pr_err("CPUs of %*pbl must have the same capacity\n",
cpumask_pr_args(span));

2
kernel/sched/cpufreq_schedutil.c
View File

@ -276,7 +276,7 @@ static unsigned long sugov_get_util(struct sugov_cpu *sg_cpu)
{
struct rq *rq = cpu_rq(sg_cpu->cpu);
unsigned long util = cpu_util_cfs(rq);
unsigned long max = arch_scale_cpu_capacity(NULL, sg_cpu->cpu);
unsigned long max = arch_scale_cpu_capacity(sg_cpu->cpu);
sg_cpu->max = max;
sg_cpu->bw_dl = cpu_bw_dl(rq);

2
kernel/sched/deadline.c
View File

@ -1195,7 +1195,7 @@ static void update_curr_dl(struct rq *rq)
&curr->dl);
} else {
unsigned long scale_freq = arch_scale_freq_capacity(cpu);
unsigned long scale_cpu = arch_scale_cpu_capacity(NULL, cpu);
unsigned long scale_cpu = arch_scale_cpu_capacity(cpu);
scaled_delta_exec = cap_scale(delta_exec, scale_freq);
scaled_delta_exec = cap_scale(scaled_delta_exec, scale_cpu);

6
kernel/sched/fair.c
View File

@ -764,7 +764,7 @@ void post_init_entity_util_avg(struct task_struct *p)
struct sched_entity *se = &p->se;
struct cfs_rq *cfs_rq = cfs_rq_of(se);
struct sched_avg *sa = &se->avg;
long cpu_scale = arch_scale_cpu_capacity(NULL, cpu_of(rq_of(cfs_rq)));
long cpu_scale = arch_scale_cpu_capacity(cpu_of(rq_of(cfs_rq)));
long cap = (long)(cpu_scale - cfs_rq->avg.util_avg) / 2;
if (cap > 0) {
@ -7646,7 +7646,7 @@ static inline void init_sd_lb_stats(struct sd_lb_stats *sds)
static unsigned long scale_rt_capacity(struct sched_domain *sd, int cpu)
{
struct rq *rq = cpu_rq(cpu);
unsigned long max = arch_scale_cpu_capacity(sd, cpu);
unsigned long max = arch_scale_cpu_capacity(cpu);
unsigned long used, free;
unsigned long irq;
@ -7671,7 +7671,7 @@ static void update_cpu_capacity(struct sched_domain *sd, int cpu)
unsigned long capacity = scale_rt_capacity(sd, cpu);
struct sched_group *sdg = sd->groups;
cpu_rq(cpu)->cpu_capacity_orig = arch_scale_cpu_capacity(sd, cpu);
cpu_rq(cpu)->cpu_capacity_orig = arch_scale_cpu_capacity(cpu);
if (!capacity)
capacity = 1;

2
kernel/sched/pelt.c
View File

@ -366,7 +366,7 @@ int update_irq_load_avg(struct rq *rq, u64 running)
* reflect the real amount of computation
*/
running = cap_scale(running, arch_scale_freq_capacity(cpu_of(rq)));
running = cap_scale(running, arch_scale_cpu_capacity(NULL, cpu_of(rq)));
running = cap_scale(running, arch_scale_cpu_capacity(cpu_of(rq)));
/*
* We know the time that has been used by interrupt since last update

2
kernel/sched/pelt.h
View File

@ -79,7 +79,7 @@ static inline void update_rq_clock_pelt(struct rq *rq, s64 delta)
* Scale the elapsed time to reflect the real amount of
* computation
*/
delta = cap_scale(delta, arch_scale_cpu_capacity(NULL, cpu_of(rq)));
delta = cap_scale(delta, arch_scale_cpu_capacity(cpu_of(rq)));
delta = cap_scale(delta, arch_scale_freq_capacity(cpu_of(rq)));
rq->clock_pelt += delta;

2
kernel/sched/sched.h
View File

@ -2248,7 +2248,7 @@ unsigned long schedutil_freq_util(int cpu, unsigned long util_cfs,
static inline unsigned long schedutil_energy_util(int cpu, unsigned long cfs)
{
unsigned long max = arch_scale_cpu_capacity(NULL, cpu);
unsigned long max = arch_scale_cpu_capacity(cpu);
return schedutil_freq_util(cpu, cfs, max, ENERGY_UTIL);
}

8
kernel/sched/topology.c
View File

@ -1874,10 +1874,10 @@ static struct sched_domain_topology_level
unsigned long cap;
/* Is there any asymmetry? */
cap = arch_scale_cpu_capacity(NULL, cpumask_first(cpu_map));
cap = arch_scale_cpu_capacity(cpumask_first(cpu_map));
for_each_cpu(i, cpu_map) {
if (arch_scale_cpu_capacity(NULL, i) != cap) {
if (arch_scale_cpu_capacity(i) != cap) {
asym = true;
break;
}
@ -1892,7 +1892,7 @@ static struct sched_domain_topology_level
* to everyone.
*/
for_each_cpu(i, cpu_map) {
unsigned long max_capacity = arch_scale_cpu_capacity(NULL, i);
unsigned long max_capacity = arch_scale_cpu_capacity(i);
int tl_id = 0;
for_each_sd_topology(tl) {
@ -1902,7 +1902,7 @@ static struct sched_domain_topology_level
for_each_cpu_and(j, tl->mask(i), cpu_map) {
unsigned long capacity;
capacity = arch_scale_cpu_capacity(NULL, j);
capacity = arch_scale_cpu_capacity(j);
if (capacity <= max_capacity)
continue;