Re: [RFC PATCH] rust: kbuild: support global per-version flags

[Mark Brown]

On Mon, Mar 16, 2026 at 05:49:02AM +0100, Miguel Ojeda wrote:
> On Mon, Mar 16, 2026 at 1:04 AM Mark Brown <broonie@xxxxxxxxxx> wrote:

> > At the minute whatever linux-next runs is whatever Debian stable has!

> Great, that would mean we are effectively keeping the minimum one
> clean, which is in a way the best we can do (apart from the maximum)
> if we don't try to keep every single version clean between them.

Note that I've not started running with clippy yet, currently due to
Linus' tree having:

error: current MSRV (Minimum Supported Rust Version) is `1.78.0` but this item is stable since `1.79.0`
  --> /tmp/next/build/rust/kernel/ptr/projection.rs:79:26
   |
79 |         if self >= slice.len() {
   |                          ^^^^^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#incompatible_msrv
   = note: `-D clippy::incompatible-msrv` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::incompatible_msrv)]`

error: current MSRV (Minimum Supported Rust Version) is `1.78.0` but this item is stable since `1.79.0`
  --> /tmp/next/build/rust/kernel/ptr/projection.rs:95:29
   |
95 |         if self.end > slice.len() {
   |                             ^^^^^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#incompatible_msrv

error: current MSRV (Minimum Supported Rust Version) is `1.78.0` but this item is stable since `1.79.0`
   --> /tmp/next/build/rust/kernel/ptr/projection.rs:121:28
    |
121 |         (self.start..slice.len()).get(slice)
    |                            ^^^^^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#incompatible_msrv

error: current MSRV (Minimum Supported Rust Version) is `1.78.0` but this item is stable since `1.79.0`
   --> /tmp/next/build/rust/kernel/ptr.rs:253:11
    |
253 |         p.len() * size_of::<T>()
    |           ^^^^^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#incompatible_msrv

error: aborting due to 4 previous errors

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