linux-kernel - Re: [PATCH v4 1/3] rust: add UnsafePinned type

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Message-ID: <013f62b1-c015-4382-89ba-2104892a2b96@gmail.com>
Date: Fri, 30 May 2025 23:01:30 +0200
From: Christian Schrefl <chrisi.schrefl@...il.com>
To: Miguel Ojeda <miguel.ojeda.sandonis@...il.com>, Sky <sky@...9.dev>
Cc: 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>,
 Benno Lossin <benno.lossin@...ton.me>,
 Andreas Hindborg <a.hindborg@...nel.org>, Alice Ryhl <aliceryhl@...gle.com>,
 Trevor Gross <tmgross@...ch.edu>, Danilo Krummrich <dakr@...nel.org>,
 Gerald Wisböck <gerald.wisboeck@...ther.ink>,
 Nathan Chancellor <nathan@...nel.org>,
 Nick Desaulniers <nick.desaulniers+lkml@...il.com>,
 Bill Wendling <morbo@...gle.com>, Justin Stitt <justinstitt@...gle.com>,
 linux-kernel@...r.kernel.org, rust-for-linux@...r.kernel.org,
 llvm@...ts.linux.dev
Subject: Re: [PATCH v4 1/3] rust: add UnsafePinned type

On 30.05.25 10:22 PM, Christian Schrefl wrote:
> On 20.05.25 11:26 PM, Miguel Ojeda wrote:
>> On Sun, May 11, 2025 at 8:21 PM Christian Schrefl
>> <chrisi.schrefl@...il.com> wrote:
>>>
>>> Signed-off-by: Sky <sky@...9.dev>
>>
>> Apologies for not noticing this earlier...
>>
>> Since this is a Signed-off-by, the DCO applies, and it requires that
>> the name is a "known identity":
>>
>>     https://docs.kernel.org/process/submitting-patches.html#developer-s-certificate-of-origin-1-1
>>
>> Sky: is that name one you use to sign paperwork etc.? If so, that is
>> fine (and apologies in that case!) -- please let me know. If not,
>> please feel free to ping me in private if needed.
> 
> Since it seems like Sky has not responded for 10 days
> is should be fine to just drop their COB & SOB.
> 
> I only offered to add it since the upstream implementation
> that this is based on was entirely done by them.
> 
> If you want to wait for some more time that's fine as well.

It might also make sense to wait for this PR [0]
and use the new code as the basis for the kernel
implementation, since that will change `UnsafePinned`
to include `UnsafeCell` semantics.

[0]: https://github.com/rust-lang/rust/pull/140638

> 
> Cheers
> Christian