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Date: Sat, 14 Feb 2026 14:51:44 +0100
Message-Id: <DGEQFPUDVYZB.2DE9JW9CTR1T5@kernel.org>
Subject: Re: [PATCH] rust: irq: add `'static` bounds to irq callbacks
Cc: "Alice Ryhl" <aliceryhl@google.com>, "Daniel Almeida"
 <daniel.almeida@collabora.com>, "Miguel Ojeda" <ojeda@kernel.org>, "Boqun
 Feng" <boqun.feng@gmail.com>, "Gary Guo" <gary@garyguo.net>,
 =?utf-8?q?Bj=C3=B6rn_Roy_Baron?= <bjorn3_gh@protonmail.com>, "Andreas
 Hindborg" <a.hindborg@kernel.org>, "Trevor Gross" <tmgross@umich.edu>,
 <rust-for-linux@vger.kernel.org>, <linux-kernel@vger.kernel.org>
To: "Benno Lossin" <lossin@kernel.org>
From: "Danilo Krummrich" <dakr@kernel.org>
References: <20260214092740.3201946-1-lossin@kernel.org>
 <DGEM0E00MCEP.130GP2WIISA3V@kernel.org>
 <DGENZNRDFU2U.34JH68EN7YK04@kernel.org>
 <DGEOG8J4CF1U.3EVS9UT98ORYF@kernel.org>
 <DGEP3X3WQROR.26BFH2XI3XO0R@kernel.org>
In-Reply-To: <DGEP3X3WQROR.26BFH2XI3XO0R@kernel.org>

On Sat Feb 14, 2026 at 1:49 PM CET, Benno Lossin wrote:
> With a fixed compiler these two would also still compile. It's just that
> the callbacks will only ever be called with `T: 'static`, since that is
> a bound on `[Threaded]Registration`, which stores these functions in the
> C side. So from a purely no-compile-error perspective, 29e16fcd67ee is
> the correct fixes. But from a "good API design" perspective, we could
> choose the two other commits.

Makes sense, I will add

Fixes: 29e16fcd67ee ("rust: irq: add &Device<Bound> argument to irq callbac=
ks")

then.

Thanks,
Danilo