Re: [RFC PATCH 2/4] rust: sync: Add dma_fence abstractions

[Philipp Stanner]

On Fri, 2026-02-06 at 12:04 +0100, Boris Brezillon wrote:
> On Fri, 06 Feb 2026 10:32:38 +0100
> Philipp Stanner <phasta@xxxxxxxxxxx> wrote:
> 

[…]

> > 
> > So I strongly think that we'd either want to drop data: T, or we should
> > think about possibilities to hide it from other drivers.
> > 
> > I've got currently no idea how that could be addressed in Rust, though 
> 
> So, as Danilo explained in his reply, there's two kind of users:
> 
> 1. those that want to wait on fences (that'd be the JobQueue, for
>    instance)
> 2. those that are emitting fences (AKA those implementing the fence_ops
>    in C)
> 
> And each of them should be given different access to the underlying
> dma_fence, hence the proposal to have different objects to back
> those concepts.


That makes sense and can be implemented. I can pick it up.

P.