| Date | Thu, 1 Jun 2023 18:26:28 +0100 | From | Gary Guo <> | Subject | Re: [PATCH v2 3/8] rust: sync: add `Arc::{from_raw, into_raw}` |
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On Thu, 1 Jun 2023 13:49:41 +0000 Alice Ryhl <aliceryhl@google.com> wrote:
> From: Wedson Almeida Filho <walmeida@microsoft.com> > > These methods can be used to turn an `Arc` into a raw pointer and back, > in a way that preserves the metadata for fat pointers. > > This is done using the unstable ptr_metadata feature [1]. However, it > could also be done using the unstable pointer_byte_offsets feature [2], > which is likely to have a shorter path to stabilization than > ptr_metadata. > > Link: https://github.com/rust-lang/rust/issues/81513 [1] > Link: https://github.com/rust-lang/rust/issues/96283 [2] > Signed-off-by: Wedson Almeida Filho <walmeida@microsoft.com> > Co-developed-by: Alice Ryhl <aliceryhl@google.com> > Signed-off-by: Alice Ryhl <aliceryhl@google.com> > Reviewed-by: Martin Rodriguez Reboredo <yakoyoku@gmail.com>
Reviewed-by: Gary Guo <gary@garyguo.net>
> --- > rust/kernel/lib.rs | 1 + > rust/kernel/sync/arc.rs | 42 ++++++++++++++++++++++++++++++++++++++++- > 2 files changed, 42 insertions(+), 1 deletion(-)
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