linux-kernel - [PATCH 0/3] Fix alignment issue and prepare for rust 1.71

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Message-ID: <20230730012905.643822-1-boqun.feng@gmail.com>
Date:   Sat, 29 Jul 2023 18:29:01 -0700
From:   Boqun Feng <boqun.feng@...il.com>
To:     rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org
Cc:     Miguel Ojeda <ojeda@...nel.org>,
        Alex Gaynor <alex.gaynor@...il.com>,
        Wedson Almeida Filho <wedsonaf@...il.com>,
        Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>,
        Björn Roy Baron <bjorn3_gh@...tonmail.com>,
        Benno Lossin <benno.lossin@...ton.me>,
        Martin Rodriguez Reboredo <yakoyoku@...il.com>,
        Alice Ryhl <aliceryhl@...gle.com>,
        Dariusz Sosnowski <dsosnowski@...snowski.pl>,
        Geoffrey Thomas <geofft@...reload.com>,
        Fox Chen <foxhlchen@...il.com>,
        John Baublitz <john.m.baublitz@...il.com>,
        Christoph Lameter <cl@...ux.com>,
        Pekka Enberg <penberg@...nel.org>,
        David Rientjes <rientjes@...gle.com>,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Vlastimil Babka <vbabka@...e.cz>,
        Roman Gushchin <roman.gushchin@...ux.dev>,
        Hyeonggon Yoo <42.hyeyoo@...il.com>,
        Kees Cook <keescook@...omium.org>, stable@...r.kernel.org
Subject: [PATCH 0/3] Fix alignment issue and prepare for rust 1.71

Hi Miguel,

I end up with this series:

(background: https://lore.kernel.org/rust-for-linux/CANiq72=pb18B6NOcXF03d0ctOP8kv2dqnUeNyEuSvuDb=vs-0g@mail.gmail.com/) 

Patch #1: introduces the core helper function that help calculate the
correct size for krealloc(), and also use the helper function to fix
`__rust_*` ones, this should be backported to stable kernels hence the
Cc.

Patch #2: use the helper function in KernelAllocator

Patch #3: Bjorn's patch with correct use of the helper function.

I have to add a few more SAFETY comments in these `__rust_*` functions,
which may cause conflict with your 1.71 series.

Since all previous patches get refactored a bit, I dropped all the
Reviewed-bys, appreciate anyone to take a look, thanks!

Regards,
Boqun

Björn Roy Baron (1):
  rust: alloc: Add realloc and alloc_zeroed to the GlobalAlloc impl

Boqun Feng (2):
  rust: allocator: Prevent mis-aligned allocation
  rust: allocator: Use krealloc_aligned() in KernelAllocator::alloc

 rust/bindings/bindings_helper.h |   1 +
 rust/kernel/allocator.rs        | 107 ++++++++++++++++++++++++++------
 2 files changed, 90 insertions(+), 18 deletions(-)

-- 
2.41.0