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The Linux Kernel Prepares For Rust 1.77 Upgrade

Written by Michael Larabel in Programming on 18 February 2024 at
06:34 AM EST. Add A Comment
PROGRAMMING
With Linux 6.8 the kernel's Rust code was brought up to Rust 1.75
while new patches posted this weekend port the code over to Rust 1.76
and then the upcoming Rust 1.77.

Posted on Saturday was this patch series taking the kernel's Rust
infrastructure up to Rust 1.76 compatibility. That was immediately
followed by the Rust 1.77 patch for that yet to be released as stable
toolchain. With Rust 1.77 they have now stabilized the single-field
"offset_of" feature used by the kernel's Rust code. Rust 1.77 also
adds a "--check-cfg" option that the Rust kernel code will likely
transition to in the future.

                         Rust for Linux logo


This follows the Rust for Linux policy of tracking the upstream Rust
version upgrades until there is a minimum version that can be
declared where all used features are considered stable. At that
unknown point in the future, the minimum version will be declared as
noted in their version policy.

This upgrading to Rust 1.77 will likely take place for the upcoming
Linux 6.9 kernel merge window.
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Michael Larabel is the principal author of Phoronix.com and founded
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