From: Byungchul Park <byungchul.park@lge.com>
To: Juri Lelli <juri.lelli@arm.com>
Cc: peterz@infradead.org, mingo@kernel.org,
linux-kernel@vger.kernel.org, juri.lelli@gmail.com,
rostedt@goodmis.org, bristot@redhat.com, kernel-team@lge.com
Subject: Re: [PATCH v5 1/4] sched/deadline: Make find_later_rq() choose a closer cpu in topology
Date: Thu, 13 Jul 2017 10:38:08 +0900 [thread overview]
Message-ID: <20170713013808.GF20323@X58A-UD3R> (raw)
In-Reply-To: <20170712131336.wbfefpnoj6ygzg7n@e106622-lin>
On Wed, Jul 12, 2017 at 02:13:36PM +0100, Juri Lelli wrote:
> > @@ -1367,6 +1364,7 @@ static int find_later_rq(struct task_struct *task)
> > rcu_read_lock();
> > for_each_domain(cpu, sd) {
> > if (sd->flags & SD_WAKE_AFFINE) {
Hi,
> This is orthogonal to the proposed change, but I'm wondering if it make
> sense to do the following only for SD_WAKE_AFFINE domains. The
Actually I also wonder it..
> consideration applies to RT as well, actually. Also, find_later_rq gets
> called when trying to push tasks away as well and in that case checking
> for this flag seems inappropriate? Peter, Steve?
>
> Thanks,
>
> - Juri
next prev parent reply other threads:[~2017-07-13 1:38 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-23 2:00 [PATCH v5 0/4] " Byungchul Park
2017-05-23 2:00 ` [PATCH v5 1/4] sched/deadline: " Byungchul Park
2017-07-12 13:13 ` Juri Lelli
2017-07-13 1:38 ` Byungchul Park [this message]
2017-08-10 12:08 ` [tip:sched/core] sched/deadline: Make find_later_rq() choose a closer CPU " tip-bot for Byungchul Park
2017-05-23 2:00 ` [PATCH v5 2/4] sched/deadline: Change return value of cpudl_find() Byungchul Park
2017-07-12 13:22 ` Juri Lelli
2017-07-13 1:24 ` Byungchul Park
2017-08-10 12:08 ` [tip:sched/core] " tip-bot for Byungchul Park
2017-05-23 2:00 ` [PATCH v5 3/4] sched/deadline: Add support for SD_PREFER_SIBLING on find_later_rq() Byungchul Park
2017-08-03 12:03 ` Peter Zijlstra
2017-08-04 5:16 ` Byungchul Park
2017-05-23 2:00 ` [PATCH v5 4/4] sched/rt: Add support for SD_PREFER_SIBLING on find_lowest_rq() Byungchul Park
2017-06-02 2:19 ` [PATCH v5 0/4] Make find_later_rq() choose a closer cpu in topology Byungchul Park
2017-07-12 2:44 ` Byungchul Park
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