From: Peter Zijlstra <peterz@infradead.org>
To: Byungchul Park <byungchul.park@lge.com>
Cc: mingo@kernel.org, linux-kernel@vger.kernel.org,
yuyang.du@intel.com, efault@gmx.de, tglx@linutronix.de
Subject: Re: [PATCH v4 5/5] sched: add two functions for att(det)aching a task to(from) a cfs_rq
Date: Wed, 2 Sep 2015 10:14:56 +0200 [thread overview]
Message-ID: <20150902081456.GQ16853@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <20150902023315.GA6455@byungchulpark-X58A-UD3R>
On Wed, Sep 02, 2015 at 11:33:15AM +0900, Byungchul Park wrote:
> +++ b/kernel/sched/fair.c
> @@ -7920,14 +7920,14 @@ prio_changed_fair(struct rq *rq, struct task_struct *p, int oldprio)
>
> static inline bool vruntime_normalized(struct task_struct *p)
> {
> struct sched_entity *se = &p->se;
>
> /*
> + * In both TASK_ON_RQ_QUEUED case and TASK_ON_RQ_MIGRATING case,
> + * the dequeue_entity(.flags=0) will already have normalized the
> + * vruntime.
> */
> + if (p->on_rq)
> return true;
>
You're right. And yes this is nicer. Thanks!
I've folded it into your 5/5 patch.
next prev parent reply other threads:[~2015-09-02 8:15 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-20 11:21 [PATCH v4 0/5] sync a se with its cfs_rq when att(det)aching it byungchul.park
2015-08-20 11:21 ` [PATCH v4 1/5] sched: add two functions adjusting cfs_rq's load when att(det)aching a se byungchul.park
2015-09-13 10:58 ` [tip:sched/core] sched/fair: Factor out the {at, de}taching of the per entity load {to,from} the runqueue tip-bot for Byungchul Park
2015-08-20 11:21 ` [PATCH v4 2/5] sched: make task_move_group_fair adjust cfs_rq's load in case of queued byungchul.park
2015-09-13 10:59 ` [tip:sched/core] sched/fair: Have task_move_group_fair() unconditionally add the entity load to the runqueue tip-bot for Byungchul Park
2015-08-20 11:21 ` [PATCH v4 3/5] sched: sync a se with prev cfs_rq when changing cgroup byungchul.park
2015-09-13 10:59 ` [tip:sched/core] sched/fair: Have task_move_group_fair() also detach entity load from the old runqueue tip-bot for Byungchul Park
2015-08-20 11:21 ` [PATCH v4 4/5] sched: sync a se with its cfs_rq when switching sched class to fair class byungchul.park
2015-09-13 10:59 ` [tip:sched/core] sched/fair: Fix switched_to_fair()' s per entity load tracking tip-bot for Byungchul Park
2015-08-20 11:22 ` [PATCH v4 5/5] sched: add two functions for att(det)aching a task to(from) a cfs_rq byungchul.park
2015-08-20 11:35 ` Byungchul Park
2015-08-31 15:21 ` Peter Zijlstra
2015-08-31 15:37 ` Peter Zijlstra
2015-09-01 0:28 ` Byungchul Park
2015-09-01 2:59 ` Byungchul Park
2015-09-01 15:03 ` Peter Zijlstra
2015-09-02 2:33 ` Byungchul Park
2015-09-02 8:14 ` Peter Zijlstra [this message]
2015-09-02 8:29 ` Ingo Molnar
2015-09-13 11:00 ` [tip:sched/core] sched/fair: Unify switched_{from,to}_fair() and task_move_group_fair() tip-bot for Byungchul Park
2015-08-22 7:45 ` [PATCH v4 0/5] sync a se with its cfs_rq when att(det)aching it Byungchul Park
2015-08-25 23:54 ` Byungchul Park
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