From: Martin Rodriguez Reboredo <yakoyoku@gmail.com>
To: "Alice Ryhl" <aliceryhl@google.com>,
"Miguel Ojeda" <ojeda@kernel.org>,
"Alex Gaynor" <alex.gaynor@gmail.com>,
"Wedson Almeida Filho" <wedsonaf@gmail.com>,
"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@samsung.com>,
"Peter Zijlstra" <peterz@infradead.org>,
"Ingo Molnar" <mingo@redhat.com>, "Will Deacon" <will@kernel.org>,
"Waiman Long" <longman@redhat.com>
Cc: rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] rust: sync: add `CondVar::notify_sync`
Date: Wed, 6 Dec 2023 12:49:25 -0300 [thread overview]
Message-ID: <0e8605d4-3be2-481f-86d7-1d3d4a8386c4@gmail.com> (raw)
In-Reply-To: <20231206-rb-new-condvar-methods-v1-1-33a4cab7fdaa@google.com>
On 12/6/23 07:09, Alice Ryhl wrote:
> Wake up another thread synchronously.
>
> This method behaves like `notify_one`, except that it hints to the
> scheduler that the current thread is about to go to sleep, so it should
> schedule the target thread on the same CPU.
>
> This is used by Rust Binder as a performance optimization. When sending
> a transaction to a different process, we usually know which thread will
> handle it, so we can schedule that thread for execution next on this
> CPU for better cache locality.
>
> Signed-off-by: Alice Ryhl <aliceryhl@google.com>
> ---
> [...]
Reviewed-by: Martin Rodriguez Reboredo <yakoyoku@gmail.com>
next prev parent reply other threads:[~2023-12-06 15:53 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-06 10:09 [PATCH 0/2] Additional CondVar methods needed by Rust Binder Alice Ryhl
2023-12-06 10:09 ` [PATCH 1/2] rust: sync: add `CondVar::notify_sync` Alice Ryhl
2023-12-06 15:49 ` Martin Rodriguez Reboredo [this message]
2023-12-07 20:21 ` Benno Lossin
2023-12-08 7:29 ` Alice Ryhl
2023-12-08 9:30 ` Benno Lossin
2023-12-06 10:09 ` [PATCH 2/2] rust: sync: add `CondVar::wait_timeout` Alice Ryhl
2023-12-06 15:53 ` Martin Rodriguez Reboredo
2023-12-06 16:38 ` Alice Ryhl
2023-12-06 16:30 ` Boqun Feng
2023-12-06 16:39 ` Peter Zijlstra
2023-12-06 16:42 ` Alice Ryhl
2023-12-06 16:53 ` Peter Zijlstra
2023-12-06 17:00 ` Alice Ryhl
2023-12-06 17:05 ` Tiago Lam
2023-12-08 7:37 ` Alice Ryhl
2023-12-08 9:27 ` Benno Lossin
2023-12-12 9:45 ` Alice Ryhl
2023-12-14 19:58 ` Boqun Feng
2023-12-14 20:04 ` [PATCH] rust: sync: Makes `CondVar::wait()` an uninterruptible wait Boqun Feng
2023-12-15 10:27 ` Alice Ryhl
2023-12-15 23:45 ` Boqun Feng
2023-12-18 17:39 ` Benno Lossin
2023-12-18 20:57 ` Boqun Feng
2023-12-15 11:58 ` Tiago Lam
2023-12-20 11:11 ` Benno Lossin
2023-12-21 21:43 ` Miguel Ojeda
2023-12-08 19:04 ` [PATCH 2/2] rust: sync: add `CondVar::wait_timeout` Benno Lossin
2023-12-12 9:51 ` Alice Ryhl
2023-12-12 17:05 ` Benno Lossin
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