Re: [PATCH 1/2] rust: sync: add `CondVar::notify_sync`

[Martin Rodriguez Reboredo]

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@xxxxxxxxxx>
> ---
> [...]
Reviewed-by: Martin Rodriguez Reboredo <yakoyoku@xxxxxxxxx>