Tech

[$] Safe self-referential data structures in kernel Rust

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Based on a feed excerpt; full article content has not been acquired. Source evidence retrieved 16/10/2026, 18:50:24 UTC.

Briefings

At Kangrejos 2026, Gary Guo presented a solution to self-referential data structures in kernel Rust, enabling safe implementation without unsafe code. This approach helps create immovable data structures for the Nova driver and other Rust components, potentially removing lifetime-related unsafe code.

Key points

• Gary Guo presented a solution at Kangrejos 2026 for self-referential data structures in kernel Rust.
• The solution enables safe implementation without unsafe code, aiding the Nova driver and other Rust components.

Context

Self-referential structures are often the elegant algorithmic choice for kernel Rust, but lifetime rules make implementation difficult. Guo's changes address this in the pin_init crate for immovable data structures.

Limitations

Evidence is limited to a single presentation at Kangrejos 2026. No specific implementation details, code snippets, or quantitative results are provided. The impact on the Nova driver remains unverified.

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