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sched/walt: Remove dependency on sd_asym_cpucapacity for task placement

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We have a separate implementation of find_energy_efficient_cpu() for
WALT. The task placement rely on CPU arrays and WALT load signals.
Hence remove sd_asym_cpucapacity checks and updates to PELT signals
from find_energy_efficient_cpu().

Change-Id: I20a186e7a10d1ab6ee5f502f5dbf2de14d7971d5
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
This commit is contained in:
Pavankumar Kondeti 2020-06-13 09:43:27 +05:30
commit e635aa2602
1 changed files with 0 additions and 15 deletions
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15
kernel/sched/fair.c
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@ -6926,7 +6926,6 @@ int find_energy_efficient_cpu(struct task_struct *p, int prev_cpu,
unsigned long prev_delta = ULONG_MAX, best_delta = ULONG_MAX;
struct root_domain *rd = cpu_rq(smp_processor_id())->rd;
int weight, cpu = smp_processor_id(), best_energy_cpu = prev_cpu;
struct sched_domain *sd;
struct perf_domain *pd;
unsigned long cur_energy;
cpumask_t *candidates;
@ -6981,20 +6980,6 @@ int find_energy_efficient_cpu(struct task_struct *p, int prev_cpu,
if (!pd)
goto fail;
/*
* Energy-aware wake-up happens on the lowest sched_domain starting
* from sd_asym_cpucapacity spanning over this_cpu and prev_cpu.
*/
sd = rcu_dereference(*this_cpu_ptr(&sd_asym_cpucapacity));
while (sd && !cpumask_test_cpu(prev_cpu, sched_domain_span(sd)))
sd = sd->parent;
if (!sd)
goto fail;
sync_entity_load_avg(&p->se);
if (!task_util_est(p))
goto unlock;
fbt_env.is_rtg = is_rtg;
fbt_env.start_cpu = start_cpu;
fbt_env.order_index = order_index;