linux-kernel - Re: [RFC PATCH v2 1/3] workqueue: support pausing ordered workqueues

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Message-ID: <ZFv6_8rJxPid0gdd@slm.duckdns.org>
Date:   Wed, 10 May 2023 10:13:51 -1000
From:   Tejun Heo <tj@...nel.org>
To:     Johannes Berg <johannes@...solutions.net>
Cc:     linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org,
        Lai Jiangshan <jiangshanlai@...il.com>,
        Johannes Berg <johannes.berg@...el.com>
Subject: Re: [RFC PATCH v2 1/3] workqueue: support pausing ordered workqueues

On Wed, May 10, 2023 at 10:12:03PM +0200, Johannes Berg wrote:
> From: Johannes Berg <johannes.berg@...el.com>
> 
> Add some infrastructure to support pausing ordered
> workqueues, so that no work items are executing nor
> can execute while the workqueue is paused.
> 
> This can be used to simplify locking between work
> structs and other processes (e.g. userspace calls)
> when the workqueue is paused while other code is
> running, where we can then more easily avoid issues
> in code paths needing to cancel works.
> 
> Signed-off-by: Johannes Berg <johannes.berg@...el.com>

I'd be happy to apply this once the rest of the patchset is ready.

Thanks.

-- 
tejun