linux-kernel - Re: [PATCH v2 09/12] nova-core: sequencer: Add delay opcode support

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Message-Id: <DE52AXOTV4GL.3F3OLHNCHY0TO@nvidia.com>
Date: Mon, 10 Nov 2025 22:51:07 +0900
From: "Alexandre Courbot" <acourbot@...dia.com>
To: "Joel Fernandes" <joelagnelf@...dia.com>,
 <linux-kernel@...r.kernel.org>, <rust-for-linux@...r.kernel.org>,
 <dri-devel@...ts.freedesktop.org>, <dakr@...nel.org>, <acourbot@...dia.com>
Cc: "Alistair Popple" <apopple@...dia.com>, "Miguel Ojeda"
 <ojeda@...nel.org>, "Alex Gaynor" <alex.gaynor@...il.com>, "Boqun Feng"
 <boqun.feng@...il.com>, "Gary Guo" <gary@...yguo.net>,
 <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>, "David Airlie" <airlied@...il.com>,
 "Simona Vetter" <simona@...ll.ch>, "Maarten Lankhorst"
 <maarten.lankhorst@...ux.intel.com>, "Maxime Ripard" <mripard@...nel.org>,
 "Thomas Zimmermann" <tzimmermann@...e.de>, "John Hubbard"
 <jhubbard@...dia.com>, "Timur Tabi" <ttabi@...dia.com>,
 <joel@...lfernandes.org>, <nouveau@...ts.freedesktop.org>, "Nouveau"
 <nouveau-bounces@...ts.freedesktop.org>
Subject: Re: [PATCH v2 09/12] nova-core: sequencer: Add delay opcode support

On Mon Nov 3, 2025 at 8:59 AM JST, Joel Fernandes wrote:
<snip>
> +        // SAFETY: `usleep_range_state` is safe to call with any parameter.
> +        unsafe {
> +            bindings::usleep_range_state(
> +                self.val as usize,
> +                self.val as usize,
> +                bindings::TASK_UNINTERRUPTIBLE,
> +            )
> +        };

`fsleep` is now available, using it would remove the `unsafe` statement.