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Message-ID: <aF7yaGPIxTDhAtlj@pollux>
Date: Fri, 27 Jun 2025 21:35:04 +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>,
Benno Lossin <lossin@...nel.org>,
Bjorn Helgaas <bhelgaas@...gle.com>,
Krzysztof Wilczyński <kwilczynski@...nel.org>,
linux-kernel@...r.kernel.org, rust-for-linux@...r.kernel.org,
linux-pci@...r.kernel.org
Subject: Re: [PATCH v5 3/6] rust: irq: add support for non-threaded IRQs and
handlers
On Fri, Jun 27, 2025 at 01:21:05PM -0300, Daniel Almeida wrote:
> +/// Callbacks for an IRQ handler.
> +pub trait Handler: Sync {
> + /// The actual handler function. As usual, sleeps are not allowed in IRQ
> + /// context.
What about:
/// The hard IRQ handler.
///
/// This is executed in interrupt context, hence all corresponding
/// limitations do apply.
///
/// All work that does not necessarily need to be executed from
/// interrupt context, should be deferred to a threaded handler.
/// See also [`ThreadedRegistration`].
> + fn handle(&self) -> IrqReturn;
> +}
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