Rust For The Linux Kernel Sent Out For Review A Fourth Time

Written by Michael Larabel in Linux Kernel on 12 February 2022 at 11:34 AM EST. 115 Comments
Miguel Ojeda just sent out the fourth revision of the Rust programming language support for use within the Linux kernel. This optional Rust programming support for Linux kernel drivers and the likes continues maturing and this year will hopefully see mainline status.

With this weekend's Rust for Linux v4 patches the Rust kernel modules can remove some boilerplate code with certain Crate attributes no longer needed, Rust coding guidelines around code comments and code documentation have been added, and there have been some refinements to the Rust kernel abstractions and the example driver code. More of the Linux kernel continuous integration (CI) systems have also been preparing for building/testing the Rust code within the Linux kernel.

Not that kind of rust... But it will soon be possible to make use of the Rust programming language within the Linux kernel.

As for the current state of Rust programming within the Linux kernel, Miguel Ojeda commented, "The Rust support is still to be considered experimental. However, support is good enough that kernel developers can start working on the Rust abstractions for subsystems and write drivers and other modules."

At the moment adding the Rust programming language infrastructure to the kernel along with some sample code amounts to 34k lines of new code.

The new Rust for Linux patch series can be found on the kernel mailing list.
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Michael Larabel is the principal author of and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and automated benchmarking software. He can be followed via Twitter, LinkedIn, or contacted via

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