On Sat, Mar 23, 2024 at 12:52 AM Andrew Lunn <andrew@xxxxxxx> wrote: > > > +//! These primitives should have the same semantics as their C counterparts, for precise definitions > > +//! of the semantics, please refer to tools/memory-model. Note that Linux Kernel Memory > > +//! (Consistency) Model is the only model for Rust development in kernel right now, please avoid to > > +//! use Rust's own atomics. > > Is it possible to somehow poison rusts own atomics? I would not be > too surprised if somebody with good Rust knowledge but new to the > kernel tries using Rusts atomics. Either getting the compiler to fail > the build, or it throws an Opps on first invocation would be good. We could try to get a flag added to the Rust standard library that removes the core::sync::atomic module entirely, then pass that flag. Alice
