Re: [PATCH 02/10] rust: qom: add reference counting functionality

[Zhao Liu]

On Fri, Jan 17, 2025 at 08:39:55PM +0100, Paolo Bonzini wrote:
> Date: Fri, 17 Jan 2025 20:39:55 +0100
> From: Paolo Bonzini <pbonzini@redhat.com>
> Subject: [PATCH 02/10] rust: qom: add reference counting functionality
> X-Mailer: git-send-email 2.47.1
> 
> Add a smart pointer that allows to add and remove references from
> QOM objects.  It's important to note that while all QOM objects have a
> reference count, in practice not all of them have their lifetime guarded
> by it.  Embedded objects, specifically, are confined to the lifetime of
> the owner.
> 
> When writing Rust bindings this is important, because embedded objects are
> *never* used through the "Owned<>" smart pointer that is introduced here.
> 
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> ---
>  rust/qemu-api/src/qom.rs     | 121 ++++++++++++++++++++++++++++++++++-
>  rust/qemu-api/src/vmstate.rs |   6 +-
>  2 files changed, 125 insertions(+), 2 deletions(-)
>

Revisit this patch (with Paolo's explaination), LGTM,

Reviewed-by: Zhao Liu <zhao1.liu@intel.com>