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From: Boqun Feng <boqun.feng@gmail.com>
To: Benno Lossin <y86-dev@protonmail.com>
Cc: "Miguel Ojeda" <ojeda@kernel.org>,
	"Alex Gaynor" <alex.gaynor@gmail.com>,
	"Wedson Almeida Filho" <wedsonaf@gmail.com>,
	"Gary Guo" <gary@garyguo.net>,
	"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
	"Alice Ryhl" <alice@ryhl.io>,
	"Andreas Hindborg" <nmi@metaspace.dk>,
	rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org,
	patches@lists.linux.dev
Subject: Re: [PATCH v6 00/15] Rust pin-init API for pinned initialization of structs
Date: Wed, 5 Apr 2023 14:11:26 -0700	[thread overview]
Message-ID: <ZC3j/nB3MaSmaNSs@boqun-archlinux> (raw)
In-Reply-To: <96b35c6c-6fd1-465d-fb46-aa48c73ae465@protonmail.com>

On Wed, Apr 05, 2023 at 09:06:46PM +0000, Benno Lossin wrote:
> On 05.04.23 23:02, Boqun Feng wrote:
> > On Wed, Apr 05, 2023 at 07:35:30PM +0000, Benno Lossin wrote:
> >> Changelog:
> >> v5 -> v6:
> >> - Change `pinned_drop` macro to allow `mut self` in the signature.
> >> - Change statement fragment to tt fragemnt in `pinned_drop` to prevent
> >>    parsing errors.
> >> - Move evaluation of the value in `stack_pin_init!`/`stack_try_pin_init!`
> >>    to the beginning.
> >
> > Could you elaborate why? To make sure the $val evaluation happens
> > unconditionally?
> 
> This is done to allow `stack_pin_init!(let value = value);` i.e. naming
> the variable the same as the expression that is evaluated.
> 

Make sense!

Regards,
Boqun

> --
> Cheers,
> Benno
> 
> >> - Move setting uninitialized flag in front of dropping the value in
> >>    `StackInit::init`.
> >> - Remove `Unpin` requirement on `zeroed()`.
> >> - Add note about `Pointee` to the `Zeroable` impl on raw pointers.
> >>
> >
> > Regards,
> > Boqun
> 

      reply	other threads:[~2023-04-05 21:12 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-04-05 19:35 [PATCH v6 00/15] Rust pin-init API for pinned initialization of structs Benno Lossin
2023-04-05 19:35 ` [PATCH v6 01/15] rust: enable the `pin_macro` feature Benno Lossin
2023-04-05 20:45   ` Andreas Hindborg
2023-04-05 19:35 ` [PATCH v6 02/15] rust: macros: add `quote!` macro Benno Lossin
2023-04-05 19:35 ` [PATCH v6 03/15] rust: sync: change error type of constructor functions Benno Lossin
2023-04-05 19:35 ` [PATCH v6 04/15] rust: sync: add `assume_init` to `UniqueArc` Benno Lossin
2023-04-05 19:35 ` [PATCH v6 05/15] rust: types: add `Opaque::raw_get` Benno Lossin
2023-04-05 19:36 ` [PATCH v6 06/15] rust: add pin-init API core Benno Lossin
2023-04-05 21:04   ` Andreas Hindborg
2023-04-05 19:36 ` [PATCH v6 07/15] rust: init: add initialization macros Benno Lossin
2023-04-05 21:14   ` Andreas Hindborg
2023-04-05 19:36 ` [PATCH v6 08/15] rust: init/sync: add `InPlaceInit` trait to pin-initialize smart pointers Benno Lossin
2023-04-05 21:34   ` Andreas Hindborg
2023-04-05 19:36 ` [PATCH v6 09/15] rust: init: add `PinnedDrop` trait and macros Benno Lossin
2023-04-05 21:40   ` Andreas Hindborg
2023-04-05 19:36 ` [PATCH v6 10/15] rust: init: add `stack_pin_init!` macro Benno Lossin
2023-04-05 19:59   ` Gary Guo
2023-04-05 21:51   ` Andreas Hindborg
2023-04-05 19:36 ` [PATCH v6 11/15] rust: init: add `Zeroable` trait and `init::zeroed` function Benno Lossin
2023-04-05 22:08   ` Andreas Hindborg
2023-04-05 19:36 ` [PATCH v6 12/15] rust: prelude: add `pin-init` API items to prelude Benno Lossin
2023-04-05 19:36 ` [PATCH v6 13/15] rust: types: add common init-helper functions for `Opaque` Benno Lossin
2023-04-05 20:18   ` Gary Guo
2023-04-06  6:56   ` [PATCH v6.1] rust: types: add `Opaque::pin_init` Benno Lossin
2023-04-05 19:36 ` [PATCH v6 14/15] rust: sync: reduce stack usage of `UniqueArc::try_new_uninit` Benno Lossin
2023-04-05 21:59   ` Andreas Hindborg
2023-04-05 19:36 ` [PATCH v6 15/15] rust: sync: add functions for initializing `UniqueArc<MaybeUninit<T>>` Benno Lossin
2023-04-05 21:02 ` [PATCH v6 00/15] Rust pin-init API for pinned initialization of structs Boqun Feng
2023-04-05 21:06   ` Benno Lossin
2023-04-05 21:11     ` Boqun Feng [this message]

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