* [PATCH] rust: prelude: re-export `core::mem::{align,size}_of{,_val}`
@ 2025-08-01 16:17 ` Miguel Ojeda
2025-08-01 17:55 ` Alice Ryhl
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: Miguel Ojeda @ 2025-08-01 16:17 UTC (permalink / raw)
To: Miguel Ojeda, Alex Gaynor
Cc: Boqun Feng, Gary Guo, Björn Roy Baron, Benno Lossin,
Andreas Hindborg, Alice Ryhl, Trevor Gross, Danilo Krummrich,
Alexandre Courbot, rust-for-linux, linux-kernel, patches
Rust 1.80.0 added:
align_of
align_of_val
size_of
size_of_val
from `core::mem` to the prelude [1].
For similar reasons, and to minimize potential confusion when code may
work in later versions but not in our current minimum, add it to our
prelude too.
Link: https://github.com/rust-lang/rust/pull/123168 [1]
Link: https://lore.kernel.org/rust-for-linux/CANiq72kOLYR2A95o0ji2mDmEqOKh9e9_60zZKmgF=vZmsW6DRg@mail.gmail.com/ [2]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
---
rust/kernel/prelude.rs | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/rust/kernel/prelude.rs b/rust/kernel/prelude.rs
index 25fe97aafd02..198d09a31449 100644
--- a/rust/kernel/prelude.rs
+++ b/rust/kernel/prelude.rs
@@ -12,7 +12,10 @@
//! ```
#[doc(no_inline)]
-pub use core::pin::Pin;
+pub use core::{
+ mem::{align_of, align_of_val, size_of, size_of_val},
+ pin::Pin,
+};
pub use ::ffi::{
c_char, c_int, c_long, c_longlong, c_schar, c_short, c_uchar, c_uint, c_ulong, c_ulonglong,
base-commit: dff64b072708ffef23c117fa1ee1ea59eb417807
--
2.50.1
^ permalink raw reply related [flat|nested] 6+ messages in thread
* Re: [PATCH] rust: prelude: re-export `core::mem::{align,size}_of{,_val}`
2025-08-01 16:17 ` [PATCH] rust: prelude: re-export `core::mem::{align,size}_of{,_val}` Miguel Ojeda
@ 2025-08-01 17:55 ` Alice Ryhl
2025-08-01 18:22 ` Daniel Almeida
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: Alice Ryhl @ 2025-08-01 17:55 UTC (permalink / raw)
To: Miguel Ojeda
Cc: Alex Gaynor, Boqun Feng, Gary Guo, Björn Roy Baron,
Benno Lossin, Andreas Hindborg, Trevor Gross, Danilo Krummrich,
Alexandre Courbot, rust-for-linux, linux-kernel, patches
On Fri, Aug 1, 2025 at 6:18 PM Miguel Ojeda <ojeda@kernel.org> wrote:
>
> Rust 1.80.0 added:
>
> align_of
> align_of_val
> size_of
> size_of_val
>
> from `core::mem` to the prelude [1].
>
> For similar reasons, and to minimize potential confusion when code may
> work in later versions but not in our current minimum, add it to our
> prelude too.
>
> Link: https://github.com/rust-lang/rust/pull/123168 [1]
> Link: https://lore.kernel.org/rust-for-linux/CANiq72kOLYR2A95o0ji2mDmEqOKh9e9_60zZKmgF=vZmsW6DRg@mail.gmail.com/ [2]
> Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
> ---
> rust/kernel/prelude.rs | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/rust/kernel/prelude.rs b/rust/kernel/prelude.rs
> index 25fe97aafd02..198d09a31449 100644
> --- a/rust/kernel/prelude.rs
> +++ b/rust/kernel/prelude.rs
> @@ -12,7 +12,10 @@
> //! ```
>
> #[doc(no_inline)]
> -pub use core::pin::Pin;
> +pub use core::{
> + mem::{align_of, align_of_val, size_of, size_of_val},
> + pin::Pin,
> +};
>
> pub use ::ffi::{
> c_char, c_int, c_long, c_longlong, c_schar, c_short, c_uchar, c_uint, c_ulong, c_ulonglong,
>
> base-commit: dff64b072708ffef23c117fa1ee1ea59eb417807
> --
> 2.50.1
>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] rust: prelude: re-export `core::mem::{align,size}_of{,_val}`
2025-08-01 16:17 ` [PATCH] rust: prelude: re-export `core::mem::{align,size}_of{,_val}` Miguel Ojeda
2025-08-01 17:55 ` Alice Ryhl
@ 2025-08-01 18:22 ` Daniel Almeida
2025-08-01 19:09 ` Benno Lossin
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: Daniel Almeida @ 2025-08-01 18:22 UTC (permalink / raw)
To: Miguel Ojeda
Cc: Alex Gaynor, Boqun Feng, Gary Guo, Björn Roy Baron,
Benno Lossin, Andreas Hindborg, Alice Ryhl, Trevor Gross,
Danilo Krummrich, Alexandre Courbot, rust-for-linux, linux-kernel,
patches
> On 1 Aug 2025, at 13:17, Miguel Ojeda <ojeda@kernel.org> wrote:
>
> Rust 1.80.0 added:
>
> align_of
> align_of_val
> size_of
> size_of_val
>
> from `core::mem` to the prelude [1].
>
> For similar reasons, and to minimize potential confusion when code may
> work in later versions but not in our current minimum, add it to our
> prelude too.
>
> Link: https://github.com/rust-lang/rust/pull/123168 [1]
> Link: https://lore.kernel.org/rust-for-linux/CANiq72kOLYR2A95o0ji2mDmEqOKh9e9_60zZKmgF=vZmsW6DRg@mail.gmail.com/ [2]
> Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
> ---
> rust/kernel/prelude.rs | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/rust/kernel/prelude.rs b/rust/kernel/prelude.rs
> index 25fe97aafd02..198d09a31449 100644
> --- a/rust/kernel/prelude.rs
> +++ b/rust/kernel/prelude.rs
> @@ -12,7 +12,10 @@
> //! ```
>
> #[doc(no_inline)]
> -pub use core::pin::Pin;
> +pub use core::{
> + mem::{align_of, align_of_val, size_of, size_of_val},
> + pin::Pin,
> +};
>
> pub use ::ffi::{
> c_char, c_int, c_long, c_longlong, c_schar, c_short, c_uchar, c_uint, c_ulong, c_ulonglong,
>
> base-commit: dff64b072708ffef23c117fa1ee1ea59eb417807
> --
> 2.50.1
>
>
Reviewed-by: Daniel Almeida <daniel.almeida@collabora.com>
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] rust: prelude: re-export `core::mem::{align,size}_of{,_val}`
2025-08-01 16:17 ` [PATCH] rust: prelude: re-export `core::mem::{align,size}_of{,_val}` Miguel Ojeda
2025-08-01 17:55 ` Alice Ryhl
2025-08-01 18:22 ` Daniel Almeida
@ 2025-08-01 19:09 ` Benno Lossin
2025-08-04 2:15 ` Alexandre Courbot
2025-08-05 7:55 ` Andreas Hindborg
4 siblings, 0 replies; 6+ messages in thread
From: Benno Lossin @ 2025-08-01 19:09 UTC (permalink / raw)
To: Miguel Ojeda, Alex Gaynor
Cc: Boqun Feng, Gary Guo, Björn Roy Baron, Andreas Hindborg,
Alice Ryhl, Trevor Gross, Danilo Krummrich, Alexandre Courbot,
rust-for-linux, linux-kernel, patches
On Fri Aug 1, 2025 at 6:17 PM CEST, Miguel Ojeda wrote:
> Rust 1.80.0 added:
>
> align_of
> align_of_val
> size_of
> size_of_val
>
> from `core::mem` to the prelude [1].
>
> For similar reasons, and to minimize potential confusion when code may
> work in later versions but not in our current minimum, add it to our
> prelude too.
>
> Link: https://github.com/rust-lang/rust/pull/123168 [1]
> Link: https://lore.kernel.org/rust-for-linux/CANiq72kOLYR2A95o0ji2mDmEqOKh9e9_60zZKmgF=vZmsW6DRg@mail.gmail.com/ [2]
> Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Reviewed-by: Benno Lossin <lossin@kernel.org>
---
Cheers,
Benno
> ---
> rust/kernel/prelude.rs | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] rust: prelude: re-export `core::mem::{align,size}_of{,_val}`
2025-08-01 16:17 ` [PATCH] rust: prelude: re-export `core::mem::{align,size}_of{,_val}` Miguel Ojeda
` (2 preceding siblings ...)
2025-08-01 19:09 ` Benno Lossin
@ 2025-08-04 2:15 ` Alexandre Courbot
2025-08-05 7:55 ` Andreas Hindborg
4 siblings, 0 replies; 6+ messages in thread
From: Alexandre Courbot @ 2025-08-04 2:15 UTC (permalink / raw)
To: Miguel Ojeda, Alex Gaynor
Cc: Boqun Feng, Gary Guo, Björn Roy Baron, Benno Lossin,
Andreas Hindborg, Alice Ryhl, Trevor Gross, Danilo Krummrich,
rust-for-linux, linux-kernel, patches
On Sat Aug 2, 2025 at 1:17 AM JST, Miguel Ojeda wrote:
> Rust 1.80.0 added:
>
> align_of
> align_of_val
> size_of
> size_of_val
>
> from `core::mem` to the prelude [1].
>
> For similar reasons, and to minimize potential confusion when code may
> work in later versions but not in our current minimum, add it to our
> prelude too.
>
> Link: https://github.com/rust-lang/rust/pull/123168 [1]
> Link: https://lore.kernel.org/rust-for-linux/CANiq72kOLYR2A95o0ji2mDmEqOKh9e9_60zZKmgF=vZmsW6DRg@mail.gmail.com/ [2]
> Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Nice to have these more readily accessible!
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] rust: prelude: re-export `core::mem::{align,size}_of{,_val}`
2025-08-01 16:17 ` [PATCH] rust: prelude: re-export `core::mem::{align,size}_of{,_val}` Miguel Ojeda
` (3 preceding siblings ...)
2025-08-04 2:15 ` Alexandre Courbot
@ 2025-08-05 7:55 ` Andreas Hindborg
4 siblings, 0 replies; 6+ messages in thread
From: Andreas Hindborg @ 2025-08-05 7:55 UTC (permalink / raw)
To: Miguel Ojeda, Miguel Ojeda, Alex Gaynor
Cc: Boqun Feng, Gary Guo, Björn Roy Baron, Benno Lossin,
Alice Ryhl, Trevor Gross, Danilo Krummrich, Alexandre Courbot,
rust-for-linux, linux-kernel, patches
"Miguel Ojeda" <ojeda@kernel.org> writes:
> Rust 1.80.0 added:
>
> align_of
> align_of_val
> size_of
> size_of_val
>
> from `core::mem` to the prelude [1].
>
> For similar reasons, and to minimize potential confusion when code may
> work in later versions but not in our current minimum, add it to our
> prelude too.
>
> Link: https://github.com/rust-lang/rust/pull/123168 [1]
> Link: https://lore.kernel.org/rust-for-linux/CANiq72kOLYR2A95o0ji2mDmEqOKh9e9_60zZKmgF=vZmsW6DRg@mail.gmail.com/ [2]
> Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Reviewed-by: Andreas Hindborg <a.hindborg@kernel.org>
Best regards,
Andreas Hindborg
^ permalink raw reply [flat|nested] 6+ messages in thread
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2025-08-01 16:17 ` [PATCH] rust: prelude: re-export `core::mem::{align,size}_of{,_val}` Miguel Ojeda
2025-08-01 17:55 ` Alice Ryhl
2025-08-01 18:22 ` Daniel Almeida
2025-08-01 19:09 ` Benno Lossin
2025-08-04 2:15 ` Alexandre Courbot
2025-08-05 7:55 ` Andreas Hindborg
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