linux-kernel - Re: [v5] workqueue: Remove unnecessary kfree() call in rcu_free

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Message-ID: <a3349efe-5291-637a-f98d-407a33f2fede@web.de>
Date:   Thu, 28 May 2020 16:45:05 +0200
From:   Markus Elfring <Markus.Elfring@....de>
To:     Tejun Heo <tj@...nel.org>, Lai Jiangshan <jiangshanlai@...il.com>
Cc:     Dan Carpenter <dan.carpenter@...cle.com>,
        Zhang Qiang <qiang.zhang@...driver.com>,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [v5] workqueue: Remove unnecessary kfree() call in rcu_free_wq()

> Yeah, regardless of who puts a wq the last time, the base reference is put
> by destroy_workqueue() and thus it's guaranteed that a wq can't be rcu freed
> without going through destroy_workqueue(). lol I'm undoing the revert.

* Would you like to add such background information to the change description?

* How do you think about integrate a following patch version after
  the extra clarification?

Regards,
Markus