linux-kernel - Re: [PATCH v2 5/5] rust: enable `clippy::as

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Message-ID: <CAJ-ks9mo-H46Wwcu_LOvDy0ncwMR9ii74Fyf3OX-aWNnrZ397g@mail.gmail.com>
Date: Wed, 12 Mar 2025 16:07:52 -0400
From: Tamir Duberstein <tamird@...il.com>
To: Benno Lossin <benno.lossin@...ton.me>
Cc: Masahiro Yamada <masahiroy@...nel.org>, Nathan Chancellor <nathan@...nel.org>, 
	Nicolas Schier <nicolas@...sle.eu>, Miguel Ojeda <ojeda@...nel.org>, 
	Alex Gaynor <alex.gaynor@...il.com>, Boqun Feng <boqun.feng@...il.com>, 
	Gary Guo <gary@...yguo.net>, Björn Roy Baron <bjorn3_gh@...tonmail.com>, 
	Andreas Hindborg <a.hindborg@...nel.org>, Alice Ryhl <aliceryhl@...gle.com>, 
	Trevor Gross <tmgross@...ch.edu>, Danilo Krummrich <dakr@...nel.org>, 
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>, "Rafael J. Wysocki" <rafael@...nel.org>, 
	Brendan Higgins <brendan.higgins@...ux.dev>, David Gow <davidgow@...gle.com>, 
	Rae Moar <rmoar@...gle.com>, Bjorn Helgaas <bhelgaas@...gle.com>, 
	Luis Chamberlain <mcgrof@...nel.org>, Russ Weight <russ.weight@...ux.dev>, Rob Herring <robh@...nel.org>, 
	Saravana Kannan <saravanak@...gle.com>, linux-kbuild@...r.kernel.org, 
	linux-kernel@...r.kernel.org, rust-for-linux@...r.kernel.org, 
	linux-kselftest@...r.kernel.org, kunit-dev@...glegroups.com, 
	linux-pci@...r.kernel.org, linux-block@...r.kernel.org, 
	devicetree@...r.kernel.org
Subject: Re: [PATCH v2 5/5] rust: enable `clippy::as_underscore` lint

On Wed, Mar 12, 2025 at 3:43 PM Benno Lossin <benno.lossin@...ton.me> wrote:
>
> On Wed Mar 12, 2025 at 8:19 PM CET, Tamir Duberstein wrote:
> > I tried using the strict provenance lints locally and I think we can't
> > until we properly bump MSRV due to `clippy::incompatible_msrv`:
> >
> > warning: current MSRV (Minimum Supported Rust Version) is `1.78.0` but
> > this item is stable since `1.84.0`
> >    --> ../rust/kernel/str.rs:696:22
> >     |
> > 696 |             pos: pos.expose_provenance(),
> >     |                      ^^^^^^^^^^^^^^^^^^^
> >     |
> >     = help: for further information visit
> > https://rust-lang.github.io/rust-clippy/master/index.html#incompatible_msrv
>
> Oh this is annoying...
>
> > This is with `#![feature(strict_provenance)]`. I can file the issue
> > but I think it's blocked on MSRV >= 1.84.0. But maybe you know of a
> > path forward :)
>
> I think we should be able to just `allow(clippy::incompatible_msrv)`,
> since Miguel & other maintainers will test with 1.78 (or at least are
> supposed to :).

Alright, you've sniped me. This is coming in v3.