linux-kernel - Re: [PATCH v4 0/2] rust/revocable: add try_access

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Message-ID: <Z_kV7U0IcebUfGps@cassiopeiae>
Date: Fri, 11 Apr 2025 15:15:25 +0200
From: Danilo Krummrich <dakr@...nel.org>
To: Miguel Ojeda <ojeda@...nel.org>
Cc: Alexandre Courbot <acourbot@...dia.com>,
	Alex Gaynor <alex.gaynor@...il.com>,
	Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>,
	Björn Roy Baron <bjorn3_gh@...tonmail.com>,
	Benno Lossin <benno.lossin@...ton.me>,
	Andreas Hindborg <a.hindborg@...nel.org>,
	Alice Ryhl <aliceryhl@...gle.com>, Trevor Gross <tmgross@...ch.edu>,
	Bjorn Helgaas <bhelgaas@...gle.com>, rust-for-linux@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org
Subject: Re: [PATCH v4 0/2] rust/revocable: add try_access_with() convenience
 method

On Fri, Apr 11, 2025 at 09:09:37PM +0900, Alexandre Courbot wrote:
> This is a feature I found useful to have while writing Nova driver code
> that accessed registers alongside other operations. I would find myself
> quite confused about whether the guard was held or dropped at a given
> point of the code, and it felt like walking through a minefield; this
> pattern makes things safer and easier to read according to my experience
> writing nova-core code.

Any concerns taking this through the nova tree?