diff options
-rw-r--r-- | kernel/sched_fair.c | 9 | ||||
-rw-r--r-- | kernel/sched_features.h | 5 |
2 files changed, 1 insertions, 13 deletions
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c index bc8ee9993814..241fc86bc613 100644 --- a/kernel/sched_fair.c +++ b/kernel/sched_fair.c @@ -1095,9 +1095,6 @@ check_preempt_tick(struct cfs_rq *cfs_rq, struct sched_entity *curr) * narrow margin doesn't have to wait for a full slice. * This also mitigates buddy induced latencies under load. */ - if (!sched_feat(WAKEUP_PREEMPT)) - return; - if (delta_exec < sysctl_sched_min_granularity) return; @@ -1233,7 +1230,7 @@ entity_tick(struct cfs_rq *cfs_rq, struct sched_entity *curr, int queued) return; #endif - if (cfs_rq->nr_running > 1 || !sched_feat(WAKEUP_PREEMPT)) + if (cfs_rq->nr_running > 1) check_preempt_tick(cfs_rq, curr); } @@ -1899,10 +1896,6 @@ static void check_preempt_wakeup(struct rq *rq, struct task_struct *p, int wake_ if (unlikely(p->policy != SCHED_NORMAL)) return; - - if (!sched_feat(WAKEUP_PREEMPT)) - return; - find_matching_se(&se, &pse); update_curr(cfs_rq_of(se)); BUG_ON(!pse); diff --git a/kernel/sched_features.h b/kernel/sched_features.h index 2e74677cb040..efa0a7b75dde 100644 --- a/kernel/sched_features.h +++ b/kernel/sched_features.h @@ -12,11 +12,6 @@ SCHED_FEAT(GENTLE_FAIR_SLEEPERS, 1) SCHED_FEAT(START_DEBIT, 1) /* - * Should wakeups try to preempt running tasks. - */ -SCHED_FEAT(WAKEUP_PREEMPT, 1) - -/* * Based on load and program behaviour, see if it makes sense to place * a newly woken task on the same cpu as the task that woke it -- * improve cache locality. Typically used with SYNC wakeups as |