From: "Benno Lossin" <lossin@kernel.org>
To: "Daniel Almeida" <daniel.almeida@collabora.com>,
"Peter Zijlstra" <peterz@infradead.org>,
"Ingo Molnar" <mingo@redhat.com>, "Will Deacon" <will@kernel.org>,
"Boqun Feng" <boqun.feng@gmail.com>,
"Waiman Long" <longman@redhat.com>,
"Miguel Ojeda" <ojeda@kernel.org>,
"Alex Gaynor" <alex.gaynor@gmail.com>,
"Gary Guo" <gary@garyguo.net>,
"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
"Andreas Hindborg" <a.hindborg@kernel.org>,
"Alice Ryhl" <aliceryhl@google.com>,
"Trevor Gross" <tmgross@umich.edu>,
"Danilo Krummrich" <dakr@kernel.org>
Cc: <linux-kernel@vger.kernel.org>, <rust-for-linux@vger.kernel.org>
Subject: Re: [PATCH 1/3] rust: lock: pin the inner data
Date: Thu, 31 Jul 2025 20:49:58 +0200 [thread overview]
Message-ID: <DBQGS6PP1XBW.1DVIWK8OIRYK9@kernel.org> (raw)
In-Reply-To: <20250730-lock-t-when-t-is-pinned-v1-1-1b97d5f28aa2@collabora.com>
On Wed Jul 30, 2025 at 7:14 PM CEST, Daniel Almeida wrote:
> In preparation to support Lock<T> where T is pinned, the first thing that
> needs to be done is to structurally pin the 'data' member. This switches
> the 't' parameter in Lock<T>::new() to take in an impl PinInit<T> instead
> of a plain T. This in turn uses the blanket implementation "impl PinInit<T>
> for T".
>
> Subsequent patches will touch on Guard<T>.
>
> Link: https://github.com/Rust-for-Linux/linux/issues/1181
> Suggested-by: Benno Lossin <lossin@kernel.org>
> Suggested-by: Boqun Feng <boqun.feng@gmail.com>
> Signed-off-by: Daniel Almeida <daniel.almeida@collabora.com>
Reviewed-by: Benno Lossin <lossin@kernel.org>
---
Cheers,
Benno
> ---
> rust/kernel/sync/lock.rs | 11 ++++++++---
> 1 file changed, 8 insertions(+), 3 deletions(-)
next prev parent reply other threads:[~2025-07-31 18:50 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-30 17:14 [PATCH 0/3] Groundwork for Lock<T> when T is pinned Daniel Almeida
2025-07-30 17:14 ` [PATCH 1/3] rust: lock: pin the inner data Daniel Almeida
2025-07-31 18:49 ` Benno Lossin [this message]
2025-07-30 17:14 ` [PATCH 2/3] rust: lock: guard: add T: Unpin bound to DerefMut Daniel Almeida
2025-07-30 19:32 ` Benno Lossin
2025-07-30 17:14 ` [PATCH 3/3] rust: lock: add a Pin<&mut T> accessor Daniel Almeida
2025-07-31 18:52 ` Benno Lossin
2025-08-01 9:01 ` [PATCH 0/3] Groundwork for Lock<T> when T is pinned Alice Ryhl
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