# Re: \[PATCH\] workqueue: doc: Call out the non-reentrance conditions

- From: Tejun Heo \<tj@kernel.org\>
- Date: 2021-10-19 17:48:00 
- List: linux-doc
- Page: https://ratatoskr.run/linux-doc/2021/10/1547459
- Thread: https://ratatoskr.run/linux-doc/2021/10/1544786/t.md

```text
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
```