From: Guilherme Piccoli <gpiccoli@canonical.com>
To: Tao Zhou <ouwen210@hotmail.com>, Ben Segall <bsegall@google.com>,
Peter Zijlstra <peterz@infradead.org>,
Phil Auld <pauld@redhat.com>,
Vincent Guittot <vincent.guittot@linaro.org>
Cc: Sasha Levin <sashal@kernel.org>,
Greg KH <gregkh@linuxfoundation.org>,
"# v4 . 16+" <stable@vger.kernel.org>,
Gavin Guo <gavin.guo@canonical.com>,
Nivedita Singhvi <nivedita.singhvi@canonical.com>,
"Heitor R. Alves de Siqueira" <halves@canonical.com>,
Jay Vosburgh <jay.vosburgh@canonical.com>
Subject: Re: FAILED: patch "[PATCH] sched/fair: Fix unthrottle_cfs_rq() for leaf_cfs_rq list" failed to apply to 5.4-stable tree
Date: Thu, 19 Nov 2020 14:45:04 -0300 [thread overview]
Message-ID: <CAHD1Q_z+Y6b7ay69jOvcOBwQYFmgcPUkdaFu8zTc1QxqfoY2xA@mail.gmail.com> (raw)
In-Reply-To: <BN8PR12MB297872B12C4DBE0793605F9B9AE00@BN8PR12MB2978.namprd12.prod.outlook.com>
On Thu, Nov 19, 2020 at 1:44 PM Tao Zhou <ouwen210@hotmail.com> wrote:
> [...]
> That time I realized something, but..
> I try to remember something and get some impression.
>
> We need to update the below when do not need to enqueue entity because
> this is added for runnable_avg updating,
>
> update_load_avg(cfs_rq, se, UPDATE_TG);
> se_update_runnable(se);
>
> Earlier version do not introduce the above to only update runnable_avg.
> Use one *for loop* is enough though. Please correct me if I am wrong.
>
Thanks a lot Tao! I'm not sure, I'm definitely not an expert in the
scheduler. Will defer this one to Vincent / Peter / Phil / Ben.
Cheers!
next prev parent reply other threads:[~2020-11-19 17:46 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-19 14:56 FAILED: patch "[PATCH] sched/fair: Fix unthrottle_cfs_rq() for leaf_cfs_rq list" failed to apply to 5.4-stable tree Guilherme G. Piccoli
2020-11-19 14:57 ` Guilherme Piccoli
[not found] ` <BN8PR12MB297872B12C4DBE0793605F9B9AE00@BN8PR12MB2978.namprd12.prod.outlook.com>
2020-11-19 17:45 ` Guilherme Piccoli [this message]
2020-11-19 18:57 ` Sasha Levin
2020-11-20 5:04 ` Nivedita Singhvi
2020-12-01 15:03 ` Guilherme G. Piccoli
2020-12-02 7:51 ` Greg KH
2020-12-02 8:21 ` Vincent Guittot
2020-12-02 9:44 ` Peter Zijlstra
2020-12-02 13:52 ` Sasha Levin
2020-12-06 9:57 ` Greg KH
2020-12-11 4:00 ` Nivedita Singhvi
-- strict thread matches above, loose matches on Subject: below --
2020-05-25 14:42 gregkh
2020-05-25 17:27 ` Vincent Guittot
2020-05-26 0:22 ` Sasha Levin
2020-12-06 9:57 ` Greg KH
2020-12-06 11:25 ` Vincent Guittot
2020-12-06 11:40 ` Greg KH
2020-12-06 11:54 ` Vincent Guittot
2020-12-06 12:07 ` Greg KH
2020-12-06 12:10 ` Vincent Guittot
2020-12-06 15:18 ` Sasha Levin
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