Re: [PATCH v2 3/3] rust: dma.rs: Migrate to zerocopy's `Frombytes/IntoBytes`

From: Danilo Krummrich

Date: Sun Sep 06 2026 - 11:52:21 EST


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.