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Merge "sched/fair: Don't place wakee on waker cpu if colocate enabled"

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qctecmdr 2020-01-08 14:10:37 -08:00 • committed by Gerrit - the friendly Code Review server
commit d1fe4aac61
1 changed files with 3 additions and 2 deletions
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5
kernel/sched/fair.c
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@ -7003,7 +7003,7 @@ int find_energy_efficient_cpu(struct task_struct *p, int prev_cpu,
struct perf_domain *pd;
unsigned long cur_energy;
cpumask_t *candidates;
bool is_rtg;
bool is_rtg, curr_is_rtg;
struct find_best_target_env fbt_env;
bool need_idle = wake_to_idle(p);
int placement_boost = task_boost_policy(p);
@ -7017,6 +7017,7 @@ int find_energy_efficient_cpu(struct task_struct *p, int prev_cpu,
goto eas_not_ready;
is_rtg = task_in_related_thread_group(p);
curr_is_rtg = task_in_related_thread_group(cpu_rq(cpu)->curr);
fbt_env.fastpath = 0;
@ -7027,7 +7028,7 @@ int find_energy_efficient_cpu(struct task_struct *p, int prev_cpu,
candidates = this_cpu_ptr(&energy_cpus);
cpumask_clear(candidates);
if (need_idle)
if (sync && (need_idle || (is_rtg && curr_is_rtg)))
sync = 0;
if (sync && bias_to_this_cpu(p, cpu, start_cpu)) {