Re: [PATCH v2 2/2] rust: init: add `write_[pin_]init` functions

[Gary Guo]

On Mon, 08 Jul 2024 20:53:46 +0000
Benno Lossin <benno.lossin@xxxxxxxxx> wrote:

> Sometimes it is necessary to split allocation and initialization into
> two steps. One such situation is when reusing existing allocations
> obtained via `Box::drop_contents`. See [1] for an example.
> In order to support this use case add `write_[pin_]init` functions to the
> pin-init API. These functions operate on already allocated smart
> pointers that wrap `MaybeUninit<T>`.
> 
> Signed-off-by: Benno Lossin <benno.lossin@xxxxxxxxx>

Reviewed-by: Gary Guo <gary@xxxxxxxxxxx>

> Link: https://lore.kernel.org/rust-for-linux/f026532f-8594-4f18-9aa5-57ad3f5bc592@xxxxxxxxx/ [1]
> ---
>  rust/kernel/init.rs    | 84 ++++++++++++++++++++++++++++++------------
>  rust/kernel/prelude.rs |  2 +-
>  2 files changed, 61 insertions(+), 25 deletions(-)