Re: [PATCH 6.14.y] rust: allow Rust 1.87.0's `clippy::ptr_eq` lint

[Sasha Levin <sashal@kernel.org>]

[ Sasha's backport helper bot ]

Hi,

Summary of potential issues:
⚠️ Found matching upstream commit but patch is missing proper reference to it

Found matching upstream commit: a39f3087092716f2bd531d6fdc20403c3dc2a879

Note: The patch differs from the upstream commit:
---
1:  a39f308709271 ! 1:  f5e8bab8b025c rust: allow Rust 1.87.0's `clippy::ptr_eq` lint
    @@ Commit message
         Link: https://lore.kernel.org/r/20250502140237.1659624-3-ojeda@kernel.org
         [ Converted to `allow`s since backport was confirmed. - Miguel ]
         Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
    +    (cherry picked from commit a39f3087092716f2bd531d6fdc20403c3dc2a879)
    +    Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
     
      ## rust/kernel/alloc/kvec.rs ##
     @@
    @@ rust/kernel/list.rs
     +// May not be needed in Rust 1.87.0 (pending beta backport).
     +#![allow(clippy::ptr_eq)]
     +
    + use crate::init::PinInit;
      use crate::sync::ArcBorrow;
      use crate::types::Opaque;
    - use core::iter::{DoubleEndedIterator, FusedIterator};
---

Results of testing on various branches:

| Branch                    | Patch Apply | Build Test |
|---------------------------|-------------|------------|
| stable/linux-6.14.y       |  Success    |  Success   |