linux-kernel - Re: [PATCH v2 0/5] rust: reduce pointer casts, enable related lints

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Message-ID: <CAJ-ks9=dnmc=MBobXQq7YgpbiqozONvvnT4HBqtHkhW2FDA=oA@mail.gmail.com>
Date: Wed, 12 Mar 2025 11:14:43 -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 0/5] rust: reduce pointer casts, enable related lints

On Wed, Mar 12, 2025 at 11:07 AM Benno Lossin <benno.lossin@...ton.me> wrote:
>
> Hi Tamir,
>
> On Sun Mar 9, 2025 at 5:00 PM CET, Tamir Duberstein wrote:
> > This started with a patch that enabled `clippy::ptr_as_ptr`. Benno
> > Lossin suggested I also look into `clippy::ptr_cast_constness` and I
> > discovered `clippy::as_ptr_cast_mut`. This series now enables all 3
> > lints. It also enables `clippy::as_underscore` which ensures other
> > pointer casts weren't missed. The first commit reduces the need for
> > pointer casts and is shared with another series[1].
> >
> > Link: https://lore.kernel.org/all/20250307-no-offset-v1-0-0c728f63b69c@gmail.com/ [1]
> >
> > Signed-off-by: Tamir Duberstein <tamird@...il.com>
>
> Thanks for this series! Did you encounter any instances of `$val as $ty`
> where you couldn't convert them due to unsizing? I remember that we had
> some cases back then (maybe Alice remembers them too?). If not then no
> worries :)

I didn't :)

Thank you for the reviews!