From: Tejun Heo <tj@kernel.org>
To: Boqun Feng <boqun.feng@gmail.com>
Cc: linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org,
Lai Jiangshan <jiangshanlai@gmail.com>,
"Paul E . McKenney" <paulmck@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Peter Zijlstra <peterz@infradead.org>,
Frederic Weisbecker <frederic@kernel.org>,
Jonathan Corbet <corbet@lwn.net>
Subject: Re: [PATCH] workqueue: doc: Call out the non-reentrance conditions
Date: Tue, 19 Oct 2021 07:47:56 -1000 [thread overview]
Message-ID: <YW8EzNmq/bde5VTa@slm.duckdns.org> (raw)
In-Reply-To: <20211018013117.256284-1-boqun.feng@gmail.com>
On Mon, Oct 18, 2021 at 09:31:17AM +0800, Boqun Feng wrote:
> +Workqueue guarantees that a work item cannot be re-entrant if the following
> +conditions hold after a work item gets queued:
> +
> + 1. The work function hasn't been changed.
> + 2. No one queues the work item to another workqueue.
> + 3. The work item hasn't been reinitiated.
Maybe phrasing it so that the above are the conditions defining a work item
to be the same instance would be clearer?
Thanks.
--
tejun
next prev parent reply other threads:[~2021-10-19 17:47 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-18 1:31 [PATCH] workqueue: doc: Call out the non-reentrance conditions Boqun Feng
2021-10-18 2:17 ` Matthew Wilcox
2021-10-18 3:19 ` Boqun Feng
2021-10-18 11:26 ` Matthew Wilcox
2021-10-19 17:47 ` Tejun Heo [this message]
2021-10-20 5:40 ` Boqun Feng
2021-10-20 16:18 ` Tejun Heo
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