linux-kernel - Re: [PATCH v2 1/3] DONOTMERGE: rust: prelude: add bit function

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Date: Thu, 1 Feb 2024 19:34:08 +0100
From: Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
To: Christina Quast <contact@...istina-quast.de>
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>, Andreas Hindborg <a.hindborg@...sung.com>, 
	Alice Ryhl <aliceryhl@...gle.com>, FUJITA Tomonori <fujita.tomonori@...il.com>, 
	Trevor Gross <tmgross@...ch.edu>, Andrew Lunn <andrew@...n.ch>, 
	Heiner Kallweit <hkallweit1@...il.com>, Russell King <linux@...linux.org.uk>, 
	"David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Heiko Stuebner <heiko@...ech.de>, 
	rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org, 
	netdev@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
	linux-rockchip@...ts.infradead.org
Subject: Re: [PATCH v2 1/3] DONOTMERGE: rust: prelude: add bit function

On Thu, Feb 1, 2024 at 7:07 PM Christina Quast
<contact@...istina-quast.de> wrote:
>
> In order to create masks easily, the define BIT() is used in C code.
> This commit adds the same functionality to the rust kernel.

Note that it is the same kernel :) Typically we would say "to the Rust
side" or similar.

> Do not merge this commit, because rust/kernel/types.rs in Rust-for-Linux
> already contains this functionality and will be merged into next-net
> soon.

I think you mean the archived `rust` branch (it is useful to point
this out -- Rust for Linux is not just that branch).

However, has the `Bit` type (assuming you mean that) been submitted? I
don't recall seeing it, and normally something like that would not go
through `net-next`. If it has been, could you please send the Lore
link?

> But this driver does not compile without this commit, so I am adding it
> to the patchset to get more feedback on the actual driver.

Assuming the patch was not sent, I would suggest replacing this commit
with the dependency you want to use, e.g. the `Bit` type, since it is
a small enough one.

In addition, this series has v2 in the title -- I think you did that
because this patch was already submitted, but this is not really a v2
of that series since this is mainly about the driver (and anyway this
patch in particular is not meant to be merged; plus you didn't change
it from what I can see).

Thanks!

Cheers,
Miguel