linux-kernel - Re: [PATCH v7 10/26] rust: treewide: switch to our kernel `Box` type

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Message-ID: <20240928195913.5b2c04d8.gary@garyguo.net>
Date: Sat, 28 Sep 2024 19:59:13 +0100
From: Gary Guo <gary@...yguo.net>
To: Danilo Krummrich <dakr@...nel.org>
Cc: ojeda@...nel.org, alex.gaynor@...il.com, wedsonaf@...il.com,
 boqun.feng@...il.com, bjorn3_gh@...tonmail.com, benno.lossin@...ton.me,
 a.hindborg@...sung.com, aliceryhl@...gle.com, akpm@...ux-foundation.org,
 daniel.almeida@...labora.com, faith.ekstrand@...labora.com,
 boris.brezillon@...labora.com, lina@...hilina.net, mcanal@...lia.com,
 zhiw@...dia.com, cjia@...dia.com, jhubbard@...dia.com, airlied@...hat.com,
 ajanulgu@...hat.com, lyude@...hat.com, linux-kernel@...r.kernel.org,
 rust-for-linux@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH v7 10/26] rust: treewide: switch to our kernel `Box`
 type

On Thu, 12 Sep 2024 00:52:46 +0200
Danilo Krummrich <dakr@...nel.org> wrote:

> Now that we got the kernel `Box` type in place, convert all existing
> `Box` users to make use of it.
> 
> Reviewed-by: Alice Ryhl <aliceryhl@...gle.com>
> Reviewed-by: Benno Lossin <benno.lossin@...ton.me>
> Signed-off-by: Danilo Krummrich <dakr@...nel.org>

Reviewed-by: Gary Guo <gary@...yguo.net>

Have you considered defaulting the `A` in `Box` to `Kmalloc`? This
would avoid doing a lot of tree-wide changes.

If you have a reason against it (I'm pretty sure you have), then
probably you should put it in the commit message.

Best,
Gary

> ---
>  drivers/block/rnull.rs            |  4 +--
>  rust/kernel/init.rs               | 51 ++++++++++++++++---------------
>  rust/kernel/init/__internal.rs    |  2 +-
>  rust/kernel/rbtree.rs             | 49 ++++++++++++++++-------------
>  rust/kernel/sync/arc.rs           | 17 +++++------
>  rust/kernel/sync/condvar.rs       |  4 +--
>  rust/kernel/sync/lock/mutex.rs    |  2 +-
>  rust/kernel/sync/lock/spinlock.rs |  2 +-
>  rust/kernel/workqueue.rs          | 20 ++++++------
>  rust/macros/lib.rs                |  6 ++--
>  10 files changed, 81 insertions(+), 76 deletions(-)