From: Fiona Behrens <me@kloenk.dev>
To: Alice Ryhl <aliceryhl@google.com>
Cc: "Miguel Ojeda" <ojeda@kernel.org>,
"Boqun Feng" <boqun.feng@gmail.com>,
"Gary Guo" <gary@garyguo.net>,
"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
"Benno Lossin" <benno.lossin@proton.me>,
"Andreas Hindborg" <a.hindborg@kernel.org>,
"Trevor Gross" <tmgross@umich.edu>,
"Peter Zijlstra" <peterz@infradead.org>,
"Ingo Molnar" <mingo@redhat.com>, "Will Deacon" <will@kernel.org>,
"Waiman Long" <longman@redhat.com>,
rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] rust: sync: add accessor for the lock behind a given guard
Date: Wed, 05 Feb 2025 19:52:28 +0100 [thread overview]
Message-ID: <87h658p6kz.fsf@kloenk.dev> (raw)
In-Reply-To: <20250205-guard-get-lock-v2-1-ba32a8c1d5b7@google.com> (Alice Ryhl's message of "Wed, 05 Feb 2025 10:54:50 +0000")
Alice Ryhl <aliceryhl@google.com> writes:
> Binder has some methods where the caller provides a lock guard, and
> Binder needs to be able to assert that the guard is associated with the
> right lock. To enable this, add an accessor to obtain a reference to the
> underlying lock that you can pass to `ptr::eq`.
>
> Signed-off-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Fiona Behrens <me@kloenk.dev>
Thanks,
Fiona
> ---
> Changes in v2:
> - Rename to lock_ref() to avoid confusion with lock().
> - Rebase on v6.14-rc1.
> - Link to v1: https://lore.kernel.org/r/20250130-guard-get-lock-v1-1-8ed87899920a@google.com
> ---
next prev parent reply other threads:[~2025-02-05 18:52 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-05 10:54 [PATCH v2] rust: sync: add accessor for the lock behind a given guard Alice Ryhl
2025-02-05 18:52 ` Fiona Behrens [this message]
2025-02-10 6:03 ` Boqun Feng
2025-03-03 18:51 ` [tip: locking/core] rust: sync: Add " tip-bot2 for Alice Ryhl
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