linux-kernel - Re: [PATCH v9 7/7] rust: irq: add &Device<Bound> argument to irq callbacks

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: <DBZRZ3LKJQF7.210QIJ4S1EI94@kernel.org>
Date: Mon, 11 Aug 2025 19:30:11 +0200
From: "Danilo Krummrich" <dakr@...nel.org>
To: "Daniel Almeida" <daniel.almeida@...labora.com>
Cc: "Miguel Ojeda" <ojeda@...nel.org>, "Alex Gaynor"
 <alex.gaynor@...il.com>, "Boqun Feng" <boqun.feng@...il.com>, "Gary Guo"
 <gary@...yguo.net>, Björn Roy Baron
 <bjorn3_gh@...tonmail.com>, "Andreas Hindborg" <a.hindborg@...nel.org>,
 "Alice Ryhl" <aliceryhl@...gle.com>, "Trevor Gross" <tmgross@...ch.edu>,
 "Greg Kroah-Hartman" <gregkh@...uxfoundation.org>, "Rafael J. Wysocki"
 <rafael@...nel.org>, "Thomas Gleixner" <tglx@...utronix.de>, "Bjorn
 Helgaas" <bhelgaas@...gle.com>, Krzysztof Wilczyński
 <kwilczynski@...nel.org>, "Benno Lossin" <lossin@...nel.org>,
 <linux-kernel@...r.kernel.org>, <rust-for-linux@...r.kernel.org>,
 <linux-pci@...r.kernel.org>
Subject: Re: [PATCH v9 7/7] rust: irq: add &Device<Bound> argument to irq
 callbacks

On Mon Aug 11, 2025 at 7:00 PM CEST, Daniel Almeida wrote:
>
>
>> On 11 Aug 2025, at 13:03, Daniel Almeida <daniel.almeida@...labora.com> wrote:
>> 
>> From: Alice Ryhl <aliceryhl@...gle.com>
>> 
>> When working with a bus device, many operations are only possible while
>> the device is still bound. The &Device<Bound> type represents a proof in
>> the type system that you are in a scope where the device is guaranteed
>> to still be bound. Since we deregister irq callbacks when unbinding a
>> device, if an irq callback is running, that implies that the device has
>> not yet been unbound.
>> 
>> To allow drivers to take advantage of that, add an additional argument
>> to irq callbacks.
>> 
>> Signed-off-by: Alice Ryhl <aliceryhl@...gle.com>
>
> Sorry. I forgot to add my SOB here.
>
>
> Perhaps this can be added when the patch is being applied in order to cut down on the
> number of versions, and therefore avoid the extra noise? Otherwise let me know.
>
> Signed-off-by: Daniel Almeida <daniel.almeida@...labora.com>

Sure -- no need to resubmit AFAIC.