From: Tejun Heo <tj@kernel.org>
To: Alice Ryhl <aliceryhl@google.com>
Cc: "Miguel Ojeda" <ojeda@kernel.org>,
"Lai Jiangshan" <jiangshanlai@gmail.com>,
"Gary Guo" <gary@garyguo.net>,
"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
"Andreas Hindborg" <a.hindborg@kernel.org>,
"Trevor Gross" <tmgross@umich.edu>,
"Danilo Krummrich" <dakr@kernel.org>,
"Daniel Almeida" <daniel.almeida@collabora.com>,
"John Hubbard" <jhubbard@nvidia.com>,
"Philipp Stanner" <phasta@kernel.org>,
rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org,
"Boqun Feng" <boqun@kernel.org>,
"Benno Lossin" <lossin@kernel.org>,
"Tamir Duberstein" <tamird@kernel.org>,
stable@vger.kernel.org
Subject: Re: [PATCH v3 1/2] rust: workqueue: restrict delayed work to global wqs
Date: Fri, 27 Feb 2026 09:46:03 -1000 [thread overview]
Message-ID: <aaH0e5YKnH7x1gCB@slm.duckdns.org> (raw)
In-Reply-To: <aaHwSxIaTqLWndkw@google.com>
On Fri, Feb 27, 2026 at 07:28:11PM +0000, Alice Ryhl wrote:
> > delayed_work is just pointing to the wq pointer. On destroy_workqueue(), we
> > can shut it down and free all the supporting stuff while leaving zombie wq
> > struct which noops execution and let the whole thing go away when refs reach
> > zero?
>
> But isn't that a problem for e.g. self-freeing work? If we don't run the
> work, then its memory is just leaked.
Yeah, good point. Maybe we should just keep the whole thing up while
removing it from sysfs. Would that work?
Thanks.
--
tejun
next prev parent reply other threads:[~2026-02-27 19:46 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-27 14:53 [PATCH v3 0/2] Creation of workqueues in Rust Alice Ryhl
2026-02-27 14:53 ` [PATCH v3 1/2] rust: workqueue: restrict delayed work to global wqs Alice Ryhl
2026-02-27 15:10 ` Danilo Krummrich
2026-02-27 15:47 ` Gary Guo
2026-02-27 17:09 ` Tejun Heo
2026-02-27 19:01 ` Alice Ryhl
2026-02-27 19:08 ` Tejun Heo
2026-02-27 19:19 ` Alice Ryhl
2026-02-27 19:24 ` Tejun Heo
2026-02-27 19:28 ` Alice Ryhl
2026-02-27 19:46 ` Tejun Heo [this message]
2026-02-27 20:36 ` Alice Ryhl
2026-02-27 21:25 ` Tejun Heo
2026-02-27 14:53 ` [PATCH v3 2/2] rust: workqueue: add creation of workqueues Alice Ryhl
2026-02-27 15:30 ` Danilo Krummrich
2026-02-27 16:00 ` Gary Guo
2026-02-27 16:12 ` Danilo Krummrich
2026-02-27 19:05 ` Alice Ryhl
2026-02-27 19:23 ` Danilo Krummrich
2026-02-28 12:59 ` Alice Ryhl
2026-02-28 14:43 ` Danilo Krummrich
2026-03-01 11:55 ` Alice Ryhl
2026-03-02 12:45 ` Philipp Stanner
2026-02-27 16:04 ` Gary Guo
2026-02-27 19:08 ` Alice Ryhl
2026-02-28 2:24 ` kernel test robot
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