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sched/deadline: Remove superfluous rq clock update in push_dl_task() 

The change to call update_rq_clock() before activate_task()
commit 840d719604 ("sched/deadline: Update rq_clock of later_rq
when pushing a task") is no longer needed since commit f4904815f9
("sched/deadline: Fix double accounting of rq/running bw in push & pull")
removed the add_running_bw() before the activate_task().

So we remove some comments that are no longer needed and update
rq clock in activate_task().

Signed-off-by: Hao Jia <jiahao.os@bytedance.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Reviewed-by: Daniel Bristot de Oliveira <bristot@redhat.com>
Link: https://lore.kernel.org/r/20220430085843.62939-3-jiahao.os@bytedance.com
This commit is contained in:
Hao Jia 2022-04-30 16:58:43 +08:00 committed by Peter Zijlstra
parent 2679a83731
commit 734387ec2f
1 changed files with 1 additions and 7 deletions
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8
kernel/sched/deadline.c
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@ -2318,13 +2318,7 @@ retry:
deactivate_task(rq, next_task, 0);
set_task_cpu(next_task, later_rq->cpu);
/*
* Update the later_rq clock here, because the clock is used
* by the cpufreq_update_util() inside __add_running_bw().
*/
update_rq_clock(later_rq);
activate_task(later_rq, next_task, ENQUEUE_NOCLOCK);
activate_task(later_rq, next_task, 0);
ret = 1;
resched_curr(later_rq);