diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index a17820385ee2..417b373e4074 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -6686,7 +6686,9 @@ static int select_energy_cpu_brute(struct task_struct *p, int prev_cpu, int sync /* No energy saving for target_cpu, try backup */ target_cpu = tmp_backup; eenv.dst_cpu = target_cpu; - if (tmp_backup < 0 || energy_diff(&eenv) >= 0) { + if (tmp_backup < 0 || + tmp_backup == prev_cpu || + energy_diff(&eenv) >= 0) { schedstat_inc(p, se.statistics.nr_wakeups_secb_no_nrg_sav); schedstat_inc(this_rq(), eas_stats.secb_no_nrg_sav); target_cpu = prev_cpu;