linux-kernel - Re: [PATCH v3 3/4] rust: devres: get rid of Devres' inner Arc

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Message-ID: <aF2jxp51tvF6SpZR@cassiopeiae>
Date: Thu, 26 Jun 2025 21:47:18 +0200
From: Danilo Krummrich <dakr@...nel.org>
To: Boqun Feng <boqun.feng@...il.com>
Cc: gregkh@...uxfoundation.org, rafael@...nel.org, ojeda@...nel.org,
	alex.gaynor@...il.com, gary@...yguo.net, bjorn3_gh@...tonmail.com,
	lossin@...nel.org, a.hindborg@...nel.org, aliceryhl@...gle.com,
	tmgross@...ch.edu, david.m.ertman@...el.com, ira.weiny@...el.com,
	leon@...nel.org, kwilczynski@...nel.org, bhelgaas@...gle.com,
	rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-pci@...r.kernel.org
Subject: Re: [PATCH v3 3/4] rust: devres: get rid of Devres' inner Arc

On Wed, Jun 25, 2025 at 09:13:24PM -0700, Boqun Feng wrote:
> On Tue, Jun 24, 2025 at 11:54:01PM +0200, Danilo Krummrich wrote:
> `T` also need to be `Send` for `Devres<T>` to be `Sync` because that's
> what `Revocable<T>` requires.

I think that's because of Revocable::revoke(), however you can't call
Devres::revoke().

> (Unless we want `T` always being `Send`
> because of the issue I mentioned above)

Yes, we do.

> The rest looks good to me.

Great! :)