The following commit has been merged into the sched/urgent branch of tip: Commit-ID: 11b1b8bc2b98e21ddf47e08b56c21502c685b2c3 Gitweb: https://git.kernel.org/tip/11b1b8bc2b98e21ddf47e08b56c21502c685b2c3 Author: Tianchen Ding <dtcccc@xxxxxxxxxxxxxxxxx> AuthorDate: Wed, 06 Mar 2024 10:21:32 +08:00 Committer: Peter Zijlstra <peterz@xxxxxxxxxxxxx> CommitterDate: Mon, 22 Apr 2024 13:01:26 +02:00 sched/eevdf: Always update V if se->on_rq when reweighting reweight_eevdf() needs the latest V to do accurate calculation for new ve and vd. So update V unconditionally when se is runnable. Fixes: eab03c23c2a1 ("sched/eevdf: Fix vruntime adjustment on reweight") Suggested-by: Abel Wu <wuyun.abel@xxxxxxxxxxxxx> Signed-off-by: Tianchen Ding <dtcccc@xxxxxxxxxxxxxxxxx> Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx> Reviewed-by: Abel Wu <wuyun.abel@xxxxxxxxxxxxx> Tested-by: K Prateek Nayak <kprateek.nayak@xxxxxxx> Tested-by: Chen Yu <yu.c.chen@xxxxxxxxx> Link: https://lore.kernel.org/r/20240306022133.81008-2-dtcccc@xxxxxxxxxxxxxxxxx --- kernel/sched/fair.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 03be0d1..5551ce2 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -3790,9 +3790,8 @@ static void reweight_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, if (se->on_rq) { /* commit outstanding execution time */ - if (curr) - update_curr(cfs_rq); - else + update_curr(cfs_rq); + if (!curr) __dequeue_entity(cfs_rq, se); update_load_sub(&cfs_rq->load, se->load.weight); }
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