On Mon, 1 Jun 2026 10:36:06 +0000 Alice Ryhl aliceryhl@google.com wrote:

...

+pub trait FenceCtxOps {}

This empty trait is unused.

...

+/// A dma-fence context. A fence context takes care of associating related fences with each other, +/// providing each with raising sequence numbers and a common identifier. +#[pin_data(PinnedDrop)] +pub struct FenceCtx<F: Send + Sync, C: Send + Sync> {

BTW, if you define a FenceCtxOps trait, this should be:

pub struct FenceCtx<F: Send + Sync, C: FenceCtxOps + Send + Sync> {