← Saturday, October 17, 2026Performance & OSDeep dive
Kernel Rust pin_init changes offer a path to safe self-referential structures
A proposed solution uses the kernel's pin_init crate to create self-referential structures without unsafe code. It could reduce lifetime-related unsafe code in the Nova driver and other Rust components.
- What
- Safe self-referential structures can be used without unsafe code, but Rust’s lifetime rules have made them difficult to implement.
- How
- Gary Guo presented a solution using the kernel’s pin_init crate, which helps create immovable data structures.
- Why it matters
- The changes could remove most lifetime-related unsafe code in the Nova driver and eventually other Rust components.
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