On Wed Apr 1, 2026 at 12:45 PM BST, Miguel Ojeda wrote: > As proposed in the past in e.g. LPC 2025 and the Maintainers Summit [1], > we are going to follow Debian Stable's Rust versions as our minimum > supported version. > > Debian Trixie was released with a Rust 1.85.0 toolchain [2], which it > still uses to this day [3] (i.e. no update to Rust 1.85.1). > > Debian Trixie's release happened on 2025-08-09 [4], which means that a > fair amount of time has passed since its release for kernel developers > to upgrade. > > Thus bump the minimum to the new version. > > Then, in later commits, clean up most of the workarounds and other bits > that this upgrade of the minimum allows us. > > pin-init was left as-is since the patches come from upstream. And the > vendored crates are unmodified, since we do not want to change those. > > Note that the minimum LLVM major version for Rust 1.85.0 is LLVM 18 (the > Rust upstream binaries use LLVM 19.1.7), thus e.g. `RUSTC_LLVM_VERSION` > tests can also be updated, but there are no suitable ones to simplify. > > Ubuntu 25.10 also has a recent enough Rust toolchain [5], and they also > provide versioned packages with a Rust 1.85.1 toolchain even back to > Ubuntu 22.04 LTS [6]. > > Link: https://lwn.net/Articles/1050174/ [1] > Link: > https://www.debian.org/releases/trixie/release-notes/whats-new.en.html#desktops-and-well-known-packages > [2] > Link: https://packages.debian.org/trixie/rustc [3] > Link: https://www.debian.org/releases/trixie/ [4] > Link: > https://packages.ubuntu.com/search?suite=all&searchon=names&keywords=rustc [5] > Link: https://launchpad.net/ubuntu/+source/rustc-1.85 [6] > Signed-off-by: Miguel Ojeda <[email protected]>
Acked-by: Gary Guo <[email protected]> > --- > Documentation/process/changes.rst | 2 +- > scripts/min-tool-version.sh | 2 +- > 2 files changed, 2 insertions(+), 2 deletions(-)
