linux-kernel - Re: [PATCH] rust: device: add platdata accessors

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: <2026010858-yonder-seventeen-361f@gregkh>
Date: Thu, 8 Jan 2026 08:57:23 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: 1064094935@...com
Cc: "Rafael J . Wysocki" <rafael@...nel.org>,
	Danilo Krummrich <dakr@...nel.org>, Miguel Ojeda <ojeda@...nel.org>,
	Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>,
	Björn Roy Baron <bjorn3_gh@...tonmail.com>,
	Benno Lossin <lossin@...nel.org>,
	Andreas Hindborg <a.hindborg@...nel.org>,
	Alice Ryhl <aliceryhl@...gle.com>, Trevor Gross <tmgross@...ch.edu>,
	rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org,
	pengfuyuan <pengfuyuan@...inos.cn>
Subject: Re: [PATCH] rust: device: add platdata accessors

On Thu, Jan 08, 2026 at 03:42:51PM +0800, 1064094935@...com wrote:
> From: pengfuyuan <pengfuyuan@...inos.cn>

Please use your "real" name (you can use native character sets if
wanted.)

> Implement generic accessors for the platform data of a device.
> 
> Platform data is typically set by platform code when creating the device
> and points to platform-specific data structures. The accessor provides
> type-safe access to this data without requiring unsafe code at the call
> site.
> 
> The accessor is implemented for Device<Bound>, allowing drivers to access
> platform data during probe() and other device lifecycle callbacks. Unlike
> drvdata, platform data is managed by platform code and has a lifetime
> tied to the device itself.

Do you have a user for this?  That would be good to see at the same time
here, we can't just add apis with no real users.

thanks,

greg k-h