Proceed to the article Alexei Starovoitov gave "less of a presentation, more of a scream of realization" at the BPF track of the 2026 Linux Storage, Filesystem, Memory-Management, and BPF Summit. He shared a set of ideas for how BPF could c...
[LWN subscriber-only content] In Rust, types either possess a constant size known at compile time, or a dynamically calculated size known at run time. That is fine for most purposes, but recent proposals for the language have shown the need...
Rust's compiler team has been working on a long-term project to rewrite the trait solver — the part of the compiler that determines which concrete function should be called when a programmer uses a trait method that is implemented for multi...
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A few years ago, the only way to compile Rust code was using the rustc compiler with LLVM as a backend. Since then, several projects, including Mutabah's Rust Compiler (mrustc), GCC's Rust support (gccrs), rust_codegen_gcc, and Cranelift ha...
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The ability to write kernel code in Rust was explicitly added as an experiment — if things did not go well, Rust would be removed again. At the 2025 Maintainers Summit, a session was held to evaluate the state of that experiment, and to dec...
LWN.net needs you! Without subscribers, LWN would simply not exist. Please consider signing up for a subscription and helping to keep LWN publishing. It is rarely newsworthy when a project or package picks up a new dependency. However, chan...
There have been several recent announcements about Linux distributions changing the list of architectures they support, or adjusting how they build binaries for some versions of those architectures. Ubuntu introduced architecture variants,...
LWN.net needs you! Without subscribers, LWN would simply not exist. Please consider signing up for a subscription and helping to keep LWN publishing. The Git source-code management system is a foundational tool upon which much of the free-s...
LWN.net needs you! Without subscribers, LWN would simply not exist. Please consider signing up for a subscription and helping to keep LWN publishing. DebugFS is the kernel's anything-goes, no-rules interface: whenever a kernel developer nee...
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Did you know...? LWN.net is a subscriber-supported publication; we rely on subscribers to keep the entire operation going. Please help out by buying a subscription and keeping LWN on the net. Boqun Feng spoke at Kangrejos 2025 about adding...
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Did you know...? LWN.net is a subscriber-supported publication; we rely on subscribers to keep the entire operation going. Please help out by buying a subscription and keeping LWN on the net. Klint is a Rust compiler extension developed by...
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