linux-kernel - Re: [PATCH v4 2/2] rust: add system_percpu() and per-cpu enqueue functions

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <aYIWvU0vEtEUPTrD@google.com>
Date: Tue, 3 Feb 2026 15:39:41 +0000
From: Alice Ryhl <aliceryhl@...gle.com>
To: Marco Crivellari <marco.crivellari@...e.com>
Cc: linux-kernel@...r.kernel.org, rust-for-linux@...r.kernel.org, 
	Tejun Heo <tj@...nel.org>, Lai Jiangshan <jiangshanlai@...il.com>, 
	Frederic Weisbecker <frederic@...nel.org>, Sebastian Andrzej Siewior <bigeasy@...utronix.de>, 
	Michal Hocko <mhocko@...e.com>, Miguel Ojeda <ojeda@...nel.org>, Alex Gaynor <alex.gaynor@...il.com>
Subject: Re: [PATCH v4 2/2] rust: add system_percpu() and per-cpu enqueue functions

On Tue, Feb 03, 2026 at 04:28:17PM +0100, Marco Crivellari wrote:
> The C code defines 2 new workqueues: system_percpu_wq and system_dfl_wq,
> respectively the futures replacement for system_wq and system_unbound_wq.
> 
> This change introduce system_percpu(), that use the new system_percpu_wq.
> 
> In order to enqueue on a specific CPU, two new functions have been added
> to the Queue implementation:
> 
>     enqueue_cpu()         - that receive a u32 CPU id as 2nd argument
>     enqueue_delayed_cpu() - that receive a u32 CPU id as 3rd argument
> 
> system_wq (and so workqueue::system()) will be removed in a future
> release cycle and should not be used.
> 
> Suggested-by: Tejun Heo <tj@...nel.org>
> Signed-off-by: Marco Crivellari <marco.crivellari@...e.com>

Reviewed-by: Alice Ryhl <aliceryhl@...gle.com>