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From: Benno Lossin <benno.lossin@proton.me>
To: Danilo Krummrich <dakr@kernel.org>,
	Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Cc: Alice Ryhl <aliceryhl@google.com>,
	ojeda@kernel.org, alex.gaynor@gmail.com, wedsonaf@gmail.com,
	boqun.feng@gmail.com, gary@garyguo.net, bjorn3_gh@protonmail.com,
	a.hindborg@samsung.com, akpm@linux-foundation.org,
	daniel.almeida@collabora.com, faith.ekstrand@collabora.com,
	boris.brezillon@collabora.com, lina@asahilina.net,
	mcanal@igalia.com, zhiw@nvidia.com, cjia@nvidia.com,
	jhubbard@nvidia.com, airlied@redhat.com, ajanulgu@redhat.com,
	lyude@redhat.com, linux-kernel@vger.kernel.org,
	rust-for-linux@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH v5 04/26] rust: alloc: implement `Allocator` for `Kmalloc`
Date: Wed, 14 Aug 2024 15:28:10 +0000	[thread overview]
Message-ID: <fae5176a-20bd-4ed4-b61c-5114adc674fc@proton.me> (raw)
In-Reply-To: <ZrzLHu5Ey9vLwNJg@cassiopeiae>

On 14.08.24 17:19, Danilo Krummrich wrote:
> On Wed, Aug 14, 2024 at 05:03:21PM +0200, Miguel Ojeda wrote:
>> On Wed, Aug 14, 2024 at 4:00 PM Danilo Krummrich <dakr@kernel.org> wrote:
>>>
>>> If we keep them, we'd consequently also need to add them for vrealloc() and
>>> kvrealloc(). But again, they don't do anything for us, and hence are more
>>> misleading than helpful IMO.
>>
>> In general, they could do something (e.g. `noreturn`), perhaps in the future.
> 
> Indeed, and I think once they're honored we should add them again.

That sounds like it will be a lot of work, going through every function
and checking if it has the given attribute. Especially when the
attributes are enabled one by one. I think we should keep them (and of
course introduce them on new functions).

---
Cheers,
Benno

> It's just that I think as long as compiler attributes aren't honored, we should
> not have them in the first place to avoid confusion about whether they do or do
> not have any effect.


  reply	other threads:[~2024-08-14 15:28 UTC|newest]

Thread overview: 95+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-08-12 18:22 [PATCH v5 00/26] Generic `Allocator` support for Rust Danilo Krummrich
2024-08-12 18:22 ` [PATCH v5 01/26] rust: alloc: add `Allocator` trait Danilo Krummrich
2024-08-14 16:13   ` Benno Lossin
2024-08-15  0:16     ` Danilo Krummrich
2024-08-15 13:49       ` Benno Lossin
2024-08-12 18:22 ` [PATCH v5 02/26] rust: alloc: separate `aligned_size` from `krealloc_aligned` Danilo Krummrich
2024-08-12 18:22 ` [PATCH v5 03/26] rust: alloc: rename `KernelAllocator` to `Kmalloc` Danilo Krummrich
2024-08-12 18:22 ` [PATCH v5 04/26] rust: alloc: implement `Allocator` for `Kmalloc` Danilo Krummrich
2024-08-14  7:51   ` Alice Ryhl
2024-08-14 13:36     ` Danilo Krummrich
2024-08-14 13:44       ` Alice Ryhl
2024-08-14 13:48         ` Danilo Krummrich
2024-08-14 13:50           ` Alice Ryhl
2024-08-14 14:00             ` Danilo Krummrich
2024-08-14 15:03               ` Miguel Ojeda
2024-08-14 15:19                 ` Danilo Krummrich
2024-08-14 15:28                   ` Benno Lossin [this message]
2024-08-14 16:01                     ` Danilo Krummrich
2024-08-14 16:02                   ` Miguel Ojeda
2024-08-14 16:16                     ` Miguel Ojeda
2024-08-14 16:56                       ` Danilo Krummrich
2024-08-14 16:21   ` Benno Lossin
2024-08-14 16:59     ` Danilo Krummrich
2024-08-14 17:02       ` Benno Lossin
2024-08-14 17:15         ` Danilo Krummrich
2024-08-14 21:07           ` Benno Lossin
2024-08-14 16:28   ` Benno Lossin
2024-08-14 17:13     ` Danilo Krummrich
2024-08-14 21:10       ` Benno Lossin
2024-08-12 18:22 ` [PATCH v5 05/26] rust: alloc: add module `allocator_test` Danilo Krummrich
2024-08-14 16:25   ` Benno Lossin
2024-08-12 18:22 ` [PATCH v5 06/26] rust: alloc: implement `Vmalloc` allocator Danilo Krummrich
2024-08-14 16:32   ` Benno Lossin
2024-08-14 22:12     ` Danilo Krummrich
2024-08-14 23:20       ` Danilo Krummrich
2024-08-15  6:48         ` Benno Lossin
2024-08-15 12:29           ` Danilo Krummrich
2024-08-15 13:44             ` Benno Lossin
2024-08-15 14:23               ` Danilo Krummrich
2024-08-15 19:08                 ` Benno Lossin
2024-08-12 18:22 ` [PATCH v5 07/26] rust: alloc: implement `KVmalloc` allocator Danilo Krummrich
2024-08-12 18:22 ` [PATCH v5 08/26] rust: alloc: add __GFP_NOWARN to `Flags` Danilo Krummrich
2024-08-14  7:48   ` Alice Ryhl
2024-08-14 16:35   ` Benno Lossin
2024-08-12 18:22 ` [PATCH v5 09/26] rust: alloc: implement kernel `Box` Danilo Krummrich
2024-08-14  8:26   ` Alice Ryhl
2024-08-14 12:22     ` Danilo Krummrich
2024-08-14 12:29       ` Alice Ryhl
2024-08-14 17:01   ` Benno Lossin
2024-08-14 21:58     ` Danilo Krummrich
2024-08-15 12:44       ` Miguel Ojeda
2024-08-15 13:24       ` Benno Lossin
2024-08-15 14:00         ` Danilo Krummrich
2024-08-15 14:10           ` Benno Lossin
2024-08-15 14:17             ` Danilo Krummrich
2024-08-12 18:22 ` [PATCH v5 10/26] rust: treewide: switch to our kernel `Box` type Danilo Krummrich
2024-08-12 18:22 ` [PATCH v5 11/26] rust: alloc: remove `BoxExt` extension Danilo Krummrich
2024-08-14 11:55   ` Dirk Behme
2024-08-14 12:08     ` Danilo Krummrich
2024-08-12 18:22 ` [PATCH v5 12/26] rust: alloc: add `Box` to prelude Danilo Krummrich
2024-08-12 18:22 ` [PATCH v5 13/26] rust: alloc: implement kernel `Vec` type Danilo Krummrich
2024-08-14  8:42   ` Alice Ryhl
2024-08-14 12:29     ` Danilo Krummrich
2024-08-14 12:36       ` Alice Ryhl
2024-08-15 13:31         ` Benno Lossin
2024-08-14 22:46     ` Danilo Krummrich
2024-08-15  7:30       ` Alice Ryhl
2024-08-15 12:17         ` Danilo Krummrich
2024-08-12 18:23 ` [PATCH v5 14/26] rust: alloc: implement `IntoIterator` for `Vec` Danilo Krummrich
2024-08-12 18:23 ` [PATCH v5 15/26] rust: alloc: implement `collect` for `IntoIter` Danilo Krummrich
2024-08-12 18:23 ` [PATCH v5 16/26] rust: treewide: switch to the kernel `Vec` type Danilo Krummrich
2024-08-12 18:23 ` [PATCH v5 17/26] rust: alloc: remove `VecExt` extension Danilo Krummrich
2024-08-12 18:23 ` [PATCH v5 18/26] rust: alloc: add `Vec` to prelude Danilo Krummrich
2024-08-12 18:23 ` [PATCH v5 19/26] rust: error: use `core::alloc::LayoutError` Danilo Krummrich
2024-08-12 18:23 ` [PATCH v5 20/26] rust: error: check for config `test` in `Error::name` Danilo Krummrich
2024-08-12 18:23 ` [PATCH v5 21/26] rust: alloc: implement `contains` for `Flags` Danilo Krummrich
2024-08-12 18:23 ` [PATCH v5 22/26] rust: alloc: implement `Cmalloc` in module allocator_test Danilo Krummrich
2024-08-13  7:07   ` Heghedus Razvan
2024-08-13 12:34     ` Danilo Krummrich
2024-08-12 18:23 ` [PATCH v5 23/26] rust: str: test: replace `alloc::format` Danilo Krummrich
2024-08-12 18:23 ` [PATCH v5 24/26] rust: alloc: update module comment of alloc.rs Danilo Krummrich
2024-08-12 18:23 ` [PATCH v5 25/26] kbuild: rust: remove the `alloc` crate and `GlobalAlloc` Danilo Krummrich
2024-08-12 18:23 ` [PATCH v5 26/26] MAINTAINERS: add entry for the Rust `alloc` module Danilo Krummrich
2024-08-14 19:32 ` [PATCH v5 00/26] Generic `Allocator` support for Rust Boqun Feng
2024-08-14 20:53   ` Danilo Krummrich
2024-08-15  2:52   ` Danilo Krummrich
2024-08-15  9:20     ` Alice Ryhl
2024-08-15 12:33       ` Danilo Krummrich
2024-08-15 12:34         ` Alice Ryhl
2024-08-15 13:33           ` Danilo Krummrich
2024-08-15 13:39             ` Benno Lossin
2024-08-15 14:09               ` Danilo Krummrich
2024-08-15 14:19                 ` Benno Lossin
2024-08-15 17:19     ` Boqun Feng
2024-08-15 17:31       ` Danilo Krummrich

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