From: "Danilo Krummrich" <dakr@kernel.org>
To: "Gary Guo" <gary@garyguo.net>
Cc: "Sagar Taunk" <sagartaunk@proton.me>,
"Miguel Ojeda" <ojeda@kernel.org>,
"Jakub Kicinski" <kuba@kernel.org>,
"Paolo Abeni" <pabeni@redhat.com>,
"Eric Dumazet" <edumazet@google.com>,
"David S . Miller" <davem@davemloft.net>,
"Simon Horman" <horms@kernel.org>,
"Abdiel Janulgue" <abdiel.janulgue@gmail.com>,
"Daniel Almeida" <daniel.almeida@collabora.com>,
"Robin Murphy" <robin.murphy@arm.com>,
"Andreas Hindborg" <a.hindborg@kernel.org>,
"Boqun Feng" <boqun@kernel.org>,
"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
"Benno Lossin" <lossin@kernel.org>,
"Alice Ryhl" <aliceryhl@google.com>,
"Trevor Gross" <tmgross@umich.edu>,
"Tamir Duberstein" <tamird@kernel.org>,
"Alexandre Courbot" <acourbot@nvidia.com>,
"Onur Özkan" <work@onurozkan.dev>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
driver-core@lists.linux.dev, rust-for-linux@vger.kernel.org,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 3/3] rust: dma.rs: Migrate to zerocopy's `Frombytes/IntoBytes`
Date: Sun, 06 Sep 2026 17:48:18 +0200 [thread overview]
Message-ID: <DL8CO3P0U67U.10GU95WWXFSCN@kernel.org> (raw)
In-Reply-To: <DL88TLWYE8H8.1FP5GCIYUL1BN@garyguo.net>
On Sun Sep 6, 2026 at 2:47 PM CEST, Gary Guo wrote:
> I am surprised that just changing this is sufficient. Are all users of
> `CoherentBox` already have the both zerocopy and kernel traits implemented?
No, and I think the uaccess patch won't compile either. It breaks
impl<T: KnownSize + AsBytes + ?Sized> debugfs::BinaryWriter for Coherent<'_, T>
from the DMA code and I think it also breaks binder and tyr.
next prev parent reply other threads:[~2026-09-06 15:48 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-06 10:28 [PATCH v2 0/3] rust: migrate users to zerocopy traits Sagar Taunk
2026-09-06 10:28 ` [PATCH v2 1/3] rust: net: netlink: Migrate to zerocopy's `IntoBytes` Sagar Taunk
2026-09-06 10:29 ` [PATCH v2 2/3] rust: uaccess: migrate to zerocopy's `Frombytes/IntoBytes` Sagar Taunk
2026-09-06 10:29 ` [PATCH v2 3/3] rust: dma.rs: Migrate " Sagar Taunk
2026-09-06 12:47 ` Gary Guo
2026-09-06 15:48 ` Danilo Krummrich [this message]
2026-09-06 16:34 ` Sagar Taunk
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