Re: [PATCH 1/7] rust: sync: add `Arc` for ref-counted allocations

[Gary Guo]

On Wed, 28 Dec 2022 06:03:40 +0000
Wedson Almeida Filho <wedsonaf@xxxxxxxxx> wrote:

> This is a basic implementation of `Arc` backed by C's `refcount_t`. It
> allows Rust code to idiomatically allocate memory that is ref-counted.
> 
> Cc: Will Deacon <will@xxxxxxxxxx>
> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
> Cc: Boqun Feng <boqun.feng@xxxxxxxxx>
> Cc: Mark Rutland <mark.rutland@xxxxxxx>
> Signed-off-by: Wedson Almeida Filho <wedsonaf@xxxxxxxxx>

Reviewed-by: Gary Guo <gary@xxxxxxxxxxx>

> ---
>  rust/bindings/bindings_helper.h |   1 +
>  rust/bindings/lib.rs            |   1 +
>  rust/helpers.c                  |  19 ++++
>  rust/kernel/lib.rs              |   1 +
>  rust/kernel/sync.rs             |  10 ++
>  rust/kernel/sync/arc.rs         | 157 ++++++++++++++++++++++++++++++++
>  6 files changed, 189 insertions(+)
>  create mode 100644 rust/kernel/sync.rs
>  create mode 100644 rust/kernel/sync/arc.rs