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Date: Fri, 27 Mar 2026 21:58:34 +0100
Message-Id: <DHDV6UZK4LB0.1P98SCT5CMJMZ@kernel.org>
Subject: Re: [PATCH 2/3] rust: dma: generalize BinaryWriter impl for
 Coherent<T>
Cc: <nouveau@lists.freedesktop.org>, <dri-devel@lists.freedesktop.org>,
 <linux-kernel@vger.kernel.org>, <driver-core@lists.linux.dev>,
 <rust-for-linux@vger.kernel.org>, "Danilo Krummrich" <dakr@kernel.org>
To: <acourbot@nvidia.com>, <aliceryhl@google.com>,
 <abdiel.janulgue@gmail.com>, <daniel.almeida@collabora.com>,
 <robin.murphy@arm.com>, <a.hindborg@kernel.org>, <ojeda@kernel.org>,
 <boqun@kernel.org>, <gary@garyguo.net>, <bjorn3_gh@protonmail.com>,
 <lossin@kernel.org>, <tmgross@umich.edu>, <ttabi@nvidia.com>
From: "Danilo Krummrich" <dakr@kernel.org>
References: <20260325003921.3420-1-dakr@kernel.org>
 <20260325003921.3420-2-dakr@kernel.org>
In-Reply-To: <20260325003921.3420-2-dakr@kernel.org>

On Wed Mar 25, 2026 at 1:39 AM CET, Danilo Krummrich wrote:
> Generalize the BinaryWriter implementation from Coherent<[u8]> to
> Coherent<T> where T: KnownSize + AsBytes + ?Sized. The implementation
> only uses size() and write_dma(), neither of which depends on the
> inner type being a byte slice.
>
> This allows any Coherent allocation with an AsBytes inner type to be
> exposed as a debugfs binary file.
>
> Signed-off-by: Danilo Krummrich <dakr@kernel.org>

Applied to drm-rust-next, thanks!