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Date: Sat, 26 Sep 2026 18:26:40 +0200
Message-Id: <DLPE0D8F96DE.91C7E0MAERDS@kernel.org>
To: "Gary Guo" <gary@garyguo.net>
From: "Danilo Krummrich" <dakr@kernel.org>
Subject: Re: [PATCH v3 1/2] rust: uapi: add zerocopy/zerocopy_derive
Cc: "Deborah Brouwer" <deborah.brouwer@collabora.com>, "Alice Ryhl"
 <aliceryhl@google.com>, "Daniel Almeida" <daniel.almeida@collabora.com>,
 "David Airlie" <airlied@gmail.com>, "Simona Vetter" <simona@ffwll.ch>,
 "Miguel Ojeda" <ojeda@kernel.org>, "Boqun Feng" <boqun@kernel.org>,
 =?utf-8?q?Bj=C3=B6rn_Roy_Baron?= <bjorn3_gh@protonmail.com>, "Benno Lossin"
 <lossin@kernel.org>, "Andreas Hindborg" <a.hindborg@kernel.org>, "Trevor
 Gross" <tmgross@umich.edu>, "Tamir Duberstein" <tamird@kernel.org>,
 "Alexandre Courbot" <acourbot@nvidia.com>, =?utf-8?q?Onur_=C3=96zkan?=
 <work@onurozkan.dev>, <dri-devel@lists.freedesktop.org>,
 <rust-for-linux@vger.kernel.org>, <linux-kernel@vger.kernel.org>
References: <20260925-b4-gpu_info_intobytes-v3-0-e19bcb71980d@collabora.com>
 <20260925-b4-gpu_info_intobytes-v3-1-e19bcb71980d@collabora.com>
 <DLPD8RQKM8VU.3QWOV9RFLA8S6@garyguo.net>
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On Sat Sep 26, 2026 at 5:50 PM CEST, Gary Guo wrote:
> On Sat Sep 26, 2026 at 1:26 AM BST, Deborah Brouwer wrote:
>> @@ -71,3 +71,6 @@
>>  # Structs should implement `Zeroable` when all of their fields do.
>>  --with-derive-custom-struct .*=3DMaybeZeroable
>>  --with-derive-custom-union .*=3DMaybeZeroable
>> +
>> +# `drm_panthor_gpu_info` is copied byte-for-byte to userspace.
>> +--with-derive-custom-struct '^drm_panthor_gpu_info$'=3Dzerocopy_derive:=
:most_traits
>
> This is Tyr specific change and should be in patch 2.

Why list all of them separately? Can't we apply this to all uAPI structs?