From: Schspa Shi <schspa@gmail.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: mingo@redhat.com, peterz@infradead.org, juri.lelli@redhat.com,
vincent.guittot@linaro.org, dietmar.eggemann@arm.com,
bsegall@google.com, mgorman@suse.de, bristot@redhat.com,
vschneid@redhat.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v5 1/2] sched/rt: fix bad task migration for rt tasks
Date: Tue, 12 Jul 2022 22:37:05 +0800 [thread overview]
Message-ID: <m28royflc9.fsf@gmail.com> (raw)
In-Reply-To: <20220712095325.408d1730@gandalf.local.home>
Steven Rostedt <rostedt@goodmis.org> writes:
> On Tue, 12 Jul 2022 09:31:24 +0800
> Schspa Shi <schspa@gmail.com> wrote:
>
>> @@ -1998,11 +1998,15 @@ static struct rq *find_lock_lowest_rq(struct task_struct *task, struct rq *rq)
>> * the mean time, task could have
>> * migrated already or had its affinity changed.
>> * Also make sure that it wasn't scheduled on its rq.
>> + * It is possible the task was scheduled, set
>> + * "migrate_disabled" and then got preempted, And we
>> + * check task migration disable flag here too.
>
> Nit. "got preempted, so we must check the task migration disable flag here
> too".
>
OK, I will make a upload for this too.
> But other than that.
>
> Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org>
>
> -- Steve
>
>> */
--
BRs
Schspa Shi
prev parent reply other threads:[~2022-07-12 14:38 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-12 1:31 [PATCH v5 1/2] sched/rt: fix bad task migration for rt tasks Schspa Shi
2022-07-12 1:31 ` [PATCH v5 2/2] sched/rt: Trying to push current task when target disable migrating Schspa Shi
2022-07-12 14:29 ` Steven Rostedt
2022-07-12 14:34 ` Schspa Shi
2022-07-12 13:53 ` [PATCH v5 1/2] sched/rt: fix bad task migration for rt tasks Steven Rostedt
2022-07-12 14:37 ` Schspa Shi [this message]
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