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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: eab03c23c2
("sched/eevdf: Fix vruntime adjustment on reweight")
Suggested-by: Abel Wu <wuyun.abel@bytedance.com>
Signed-off-by: Tianchen Ding <dtcccc@linux.alibaba.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Abel Wu <wuyun.abel@bytedance.com>
Tested-by: K Prateek Nayak <kprateek.nayak@amd.com>
Tested-by: Chen Yu <yu.c.chen@intel.com>
Link: https://lore.kernel.org/r/20240306022133.81008-2-dtcccc@linux.alibaba.com
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@ -3790,9 +3790,8 @@ static void reweight_entity(struct cfs_rq *cfs_rq, struct sched_entity *se,
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if (se->on_rq) {
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if (se->on_rq) {
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/* commit outstanding execution time */
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/* commit outstanding execution time */
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if (curr)
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update_curr(cfs_rq);
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update_curr(cfs_rq);
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if (!curr)
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else
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__dequeue_entity(cfs_rq, se);
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__dequeue_entity(cfs_rq, se);
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update_load_sub(&cfs_rq->load, se->load.weight);
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update_load_sub(&cfs_rq->load, se->load.weight);
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}
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}
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